Merge pull request #96 from TurboWarp/snapshot-testing

Implement compiler output snapshot testing

snapshot-tests/__snapshots__/order-library-reverse.sb3.tw-snapshot

@@ -0,0 +1,83 @@
+// TW Snapshot
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["p]KODv+)+:l=%NT~j3/d-order"];
+const b1 = stage.variables["p]KODv+)+:l=%NT~j3/d-wait"];
+const b2 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+b0.value = 0;
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+b0.value = ((+b0.value || 0) + 1);
+if (((b0.value || 0) === 1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass order is correct (1)",}, b2, false, false, null);
+} else {
+yield* executeInCompatibilityLayer({"MESSAGE":("fail order is incorrect 1 != " + ("" + b0.value)),}, b2, false, false, null);
+}
+retire();
+}; })
+
+// Sprite3 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["p]KODv+)+:l=%NT~j3/d-wait"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 2",}, b0, false, false, null);
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+thread.timer = timer();
+var a1 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a1) {
+yield;
+}
+thread.timer = null;
+thread.timer = timer();
+var a2 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a2) {
+yield;
+}
+thread.timer = null;
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["p]KODv+)+:l=%NT~j3/d-order"];
+const b1 = stage.variables["p]KODv+)+:l=%NT~j3/d-wait"];
+const b2 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+b0.value = 0;
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+b0.value = ((+b0.value || 0) + 1);
+if (((b0.value || 0) === 2)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass order is correct (2)",}, b2, false, false, null);
+} else {
+yield* executeInCompatibilityLayer({"MESSAGE":("fail order is incorrect 2 != " + ("" + b0.value)),}, b2, false, false, null);
+}
+retire();
+}; })

snapshot-tests/__snapshots__/order-library.sb3.tw-snapshot

@@ -0,0 +1,83 @@
+// TW Snapshot
+
+// Sprite3 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["):/PVGTvoVRvq(ikGwRE-wait"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 2",}, b0, false, false, null);
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+thread.timer = timer();
+var a1 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a1) {
+yield;
+}
+thread.timer = null;
+thread.timer = timer();
+var a2 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a2) {
+yield;
+}
+thread.timer = null;
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["):/PVGTvoVRvq(ikGwRE-order"];
+const b1 = stage.variables["):/PVGTvoVRvq(ikGwRE-wait"];
+const b2 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+b0.value = 0;
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+b0.value = ((+b0.value || 0) + 1);
+if (((b0.value || 0) === 1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass order is correct (1)",}, b2, false, false, null);
+} else {
+yield* executeInCompatibilityLayer({"MESSAGE":("fail order is incorrect 1 != " + ("" + b0.value)),}, b2, false, false, null);
+}
+retire();
+}; })
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["):/PVGTvoVRvq(ikGwRE-order"];
+const b1 = stage.variables["):/PVGTvoVRvq(ikGwRE-wait"];
+const b2 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+b0.value = 0;
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * (+b1.value || 0));
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+b0.value = ((+b0.value || 0) + 1);
+if (((b0.value || 0) === 2)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass order is correct (2)",}, b2, false, false, null);
+} else {
+yield* executeInCompatibilityLayer({"MESSAGE":("fail order is incorrect 2 != " + ("" + b0.value)),}, b2, false, false, null);
+}
+retire();
+}; })

snapshot-tests/__snapshots__/tw-NaN.sb3.tw-snapshot

@@ -0,0 +1,58 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 16",}, b0, false, false, null);
+if ((("" + (0 * Infinity)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual((((0 * Infinity) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + ((Math.acos(1.01) * 180) / Math.PI)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual(((((Math.acos(1.01) * 180) / Math.PI) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + ((Math.asin(1.01) * 180) / Math.PI)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual(((((Math.asin(1.01) * 180) / Math.PI) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + (0 / 0)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual((((0 / 0) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + Math.sqrt(-1)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual(((Math.sqrt(-1) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + mod(0, 0)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual(((mod(0, 0) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + Math.log(-1)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual(((Math.log(-1) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + (Math.log(-1) / Math.LN10)).toLowerCase() === "NaN".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual((((Math.log(-1) / Math.LN10) || 0) * 1), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-add-can-return-nan.sb3.tw-snapshot

@@ -0,0 +1,13 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+if (!((Infinity + -Infinity) <= 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-all-at-once.sb3.tw-snapshot

@@ -0,0 +1,13 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+if (true) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-broadcast-id-and-name-desync.sb3.tw-snapshot

@@ -0,0 +1,19 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+yield* waitThreads(startHats("event_whenbroadcastreceived", { BROADCAST_OPTION: "message1" }));
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-change-size-does-not-use-rounded-size.sb3.tw-snapshot

@@ -0,0 +1,21 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+target.setSize(96);
+b1.value = 0;
+while (!(100 === Math.round(target.size))) {
+b1.value = ((+b1.value || 0) + 1);
+target.setSize(target.size + ((((100 - Math.round(target.size)) || 0) / 10) || 0));
+yield;
+}
+if (((+b1.value || 0) === 20)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-color-input-returns-hex.sb3.tw-snapshot

@@ -0,0 +1,15 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+b1.value = "#22388a";
+if ((("" + b1.value).toLowerCase() === "#22388a".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-comparison-matrix-runtime.sb3.tw-snapshot

@@ -0,0 +1,128 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 0",}, b0, false, false, null);
+yield* thread.procedures["Wrun test"]();
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 run test
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["mfV;yS}9e:%h5UZ)QyiY"];
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+const b2 = stage.variables["n^wm8jw#b24sggt.S^tD"];
+const b3 = stage.variables["_]6^lq+-%H0{ov`tKt7$"];
+const b4 = stage.variables["3lyKRepBc$tx)EWlpr!y"];
+const b5 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ_run_test () {
+thread.procedures["Wsetup values"]();
+b0.value = 0;
+b1.value = 0;
+for (var a0 = b2.value.length; a0 >= 0.5; a0--) {
+b1.value = ((+b1.value || 0) + 1);
+b3.value = 0;
+for (var a1 = b2.value.length; a1 >= 0.5; a1--) {
+b3.value = ((+b3.value || 0) + 1);
+b0.value = ((+b0.value || 0) + 1);
+if (!compareEqual(compareGreaterThan(listGet(b2.value, b1.value), (b2.value[((b3.value || 0) | 0) - 1] ?? "")), (b4.value[((b0.value || 0) | 0) - 1] ?? ""))) {
+yield* executeInCompatibilityLayer({"MESSAGE":("fail " + (("" + listGet(b2.value, b1.value)) + (" should be > " + ("" + listGet(b2.value, b3.value))))),}, b5, true, false, null);
+}
+b0.value = ((+b0.value || 0) + 1);
+if (!compareEqual(compareEqual(listGet(b2.value, b1.value), listGet(b2.value, b3.value)), (b4.value[((b0.value || 0) | 0) - 1] ?? ""))) {
+yield* executeInCompatibilityLayer({"MESSAGE":("fail " + (("" + listGet(b2.value, b1.value)) + (" should be = " + ("" + listGet(b2.value, b3.value))))),}, b5, true, false, null);
+}
+b0.value = ((+b0.value || 0) + 1);
+if (!compareEqual(compareLessThan(listGet(b2.value, b1.value), listGet(b2.value, b3.value)), (b4.value[((b0.value || 0) | 0) - 1] ?? ""))) {
+yield* executeInCompatibilityLayer({"MESSAGE":("fail " + (("" + listGet(b2.value, b1.value)) + (" should be < " + ("" + listGet(b2.value, b3.value))))),}, b5, true, true, null);
+if (hasResumedFromPromise) {hasResumedFromPromise = false;continue;}
+}
+}
+}
+}; })
+
+// Sprite1 setup values
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["n^wm8jw#b24sggt.S^tD"];
+return function funXYZ_setup_values () {
+b0.value = [];
+b0.value.push(0);
+b0._monitorUpToDate = false;
+b0.value.push(1);
+b0._monitorUpToDate = false;
+b0.value.push(2);
+b0._monitorUpToDate = false;
+b0.value.push(-1);
+b0._monitorUpToDate = false;
+b0.value.push(-2);
+b0._monitorUpToDate = false;
+b0.value.push("0.0");
+b0._monitorUpToDate = false;
+b0.value.push("-0.");
+b0._monitorUpToDate = false;
+b0.value.push("-0.0");
+b0._monitorUpToDate = false;
+b0.value.push(".123");
+b0._monitorUpToDate = false;
+b0.value.push("-.123");
+b0._monitorUpToDate = false;
+b0.value.push("1.");
+b0._monitorUpToDate = false;
+b0.value.push((0 + 0));
+b0._monitorUpToDate = false;
+b0.value.push((1 + 0));
+b0._monitorUpToDate = false;
+b0.value.push((2 + 0));
+b0._monitorUpToDate = false;
+b0.value.push((-1 + 0));
+b0._monitorUpToDate = false;
+b0.value.push((-2 + 0));
+b0._monitorUpToDate = false;
+b0.value.push((0.123 + 0));
+b0._monitorUpToDate = false;
+b0.value.push((-0.123 + 0));
+b0._monitorUpToDate = false;
+b0.value.push((1 + 0));
+b0._monitorUpToDate = false;
+b0.value.push("1e99");
+b0._monitorUpToDate = false;
+b0.value.push((1e+99 + 0));
+b0._monitorUpToDate = false;
+b0.value.push(Infinity);
+b0._monitorUpToDate = false;
+b0.value.push(-Infinity);
+b0._monitorUpToDate = false;
+b0.value.push("-infinitY");
+b0._monitorUpToDate = false;
+b0.value.push((1 / 0));
+b0._monitorUpToDate = false;
+b0.value.push((-1 / 0));
+b0._monitorUpToDate = false;
+b0.value.push((0 / 0));
+b0._monitorUpToDate = false;
+b0.value.push(NaN);
+b0._monitorUpToDate = false;
+b0.value.push("nan");
+b0._monitorUpToDate = false;
+b0.value.push("-NaN");
+b0._monitorUpToDate = false;
+b0.value.push("true");
+b0._monitorUpToDate = false;
+b0.value.push("false");
+b0._monitorUpToDate = false;
+b0.value.push(!false);
+b0._monitorUpToDate = false;
+b0.value.push(!!false);
+b0._monitorUpToDate = false;
+b0.value.push("");
+b0._monitorUpToDate = false;
+b0.value.push("Banana");
+b0._monitorUpToDate = false;
+b0.value.push(" ");
+b0._monitorUpToDate = false;
+b0.value.push("🎉");
+b0._monitorUpToDate = false;
+}; })

snapshot-tests/__snapshots__/tw-coordinate-precision.sb3.tw-snapshot

@@ -0,0 +1,35 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = runtime.getSpriteTargetByName("Sprite1");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 6",}, b0, false, false, null);
+target.setXY(1e-9, target.y);
+if ((limitPrecision(target.x) === 1e-9)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass much above x does not round",}, b0, false, false, null);
+}
+if (((b1 ? b1.x : 0) === 1e-9)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass initial 'of' test",}, b0, false, false, null);
+}
+target.setXY(target.x + 0, target.y);
+runtime.ext_scratch3_motion._moveSteps(0, target);
+target.setXY(target.x + -9e-10, target.y);
+if (((b1 ? b1.x : 0) === 1.0000000000000007e-10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 'of' never rounds - positive x",}, b0, false, false, null);
+}
+if ((limitPrecision(target.x) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass x slightly above 0 rounds",}, b0, false, false, null);
+}
+target.setXY(target.x + -9e-10, target.y);
+target.setXY(target.x, target.y + 0);
+if (((b1 ? b1.x : 0) === -7.999999999999999e-10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 'of' never rounds and change x - negative x",}, b0, false, false, null);
+}
+if ((limitPrecision(target.x) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass x slightly below 0 rounds",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-forkphorus-515-boolean-number-comparison.sb3.tw-snapshot

@@ -0,0 +1,22 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 4",}, b0, false, false, null);
+if (compareGreaterThan(("something".toLowerCase() === "something".toLowerCase()), ("0" + ""))) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareLessThan(("something".toLowerCase() === "else".toLowerCase()), ("1" + ""))) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareGreaterThan(("something".toLowerCase() === "something".toLowerCase()), (0 + 0))) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareLessThan(("something".toLowerCase() === "else".toLowerCase()), (1 + 0))) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-forkphorus-515-non-finite-direction.sb3.tw-snapshot

@@ -0,0 +1,27 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = runtime.getOpcodeFunction("motion_pointtowards");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 4",}, b0, false, false, null);
+target.setDirection(95);
+if ((target.direction === 95)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 1",}, b0, false, false, null);
+}
+target.setDirection(((1 / 0) || 0));
+if ((target.direction === 95)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 2",}, b0, false, false, null);
+}
+target.setDirection(((0 / 0) || 0));
+if ((target.direction === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 3",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"TOWARDS":"Sprite2",}, b1, false, false, null);
+if ((target.direction === 90)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 4",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-forkphorus-515-random-with-invalid-number-with-period.sb3.tw-snapshot

@@ -0,0 +1,31 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 6",}, b0, false, false, null);
+b1.value = runtime.ext_scratch3_operators._random(("an invalid number" + "."), 1);
+if ((b1.value > 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareLessThan(b1.value, 1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + b1.value).toLowerCase().indexOf(".".toLowerCase()) !== -1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+b1.value = runtime.ext_scratch3_operators._random(1, ("an invalid number" + "."));
+if ((b1.value > 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareLessThan(b1.value, 1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if ((("" + b1.value).toLowerCase().indexOf(".".toLowerCase()) !== -1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-forkphorus-515-variable-id-name-desync-name-fallback.sb3.tw-snapshot

@@ -0,0 +1,22 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = target.variables["gTtSj;o_E;Snkn620KF."];
+const b2 = target.variables["zShM`!CD?d_|Z,]5X}N6"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 2",}, b0, false, false, null);
+b1.value = 2;
+if (((+b1.value || 0) === 2)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass variable",}, b0, false, false, null);
+}
+b2.value = [];
+b2.value.push(3);
+b2._monitorUpToDate = false;
+if (((+(b2.value[(1 | 0) - 1] ?? "") || 0) === 3)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass list",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-forkphorus-515-wait-zero-seconds-in-warp-mode.sb3.tw-snapshot

@@ -0,0 +1,76 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("sound_setvolumeto");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+const b2 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"VOLUME":0,}, b0, false, false, null);
+b1.value = 0;
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b2, false, false, null);
+yield* thread.procedures["Wno refresh"]();
+yield* thread.procedures["Wruns below with no refresh"]();
+if (compareEqual(b1.value, 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b2, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b2, false, false, null);
+runtime.stopAll();
+retire(); return;
+retire();
+}; })
+
+// Sprite1 no refresh
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("music_restForBeats");
+const b1 = runtime.getOpcodeFunction("music_playDrumForBeats");
+return function* genXYZ_no_refresh () {
+for (var a0 = 30; a0 >= 0.5; a0--) {
+thread.timer = timer();
+var a1 = Math.max(0, 1000 * 0);
+runtime.requestRedraw();
+while (thread.timer.timeElapsed() < a1) {
+if (isStuck()) yield;
+}
+thread.timer = null;
+yield* executeInCompatibilityLayer({"BEATS":0,}, b0, true, false, null);
+yield* executeInCompatibilityLayer({"DRUM":1,"BEATS":0,}, b1, true, false, null);
+runtime.ext_scratch3_motion._moveSteps(0, target);
+}
+}; })
+
+// Sprite1 runs below with no refresh
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+return function* genXYZ_runs_below_with_no_r () {
+yield* thread.procedures["Whas refresh"]();
+}; })
+
+// Sprite1 has refresh
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("music_restForBeats");
+const b1 = runtime.getOpcodeFunction("music_playDrumForBeats");
+return function* genXYZ_has_refresh () {
+for (var a0 = 30; a0 >= 0.5; a0--) {
+thread.timer = timer();
+var a1 = Math.max(0, 1000 * 0);
+runtime.requestRedraw();
+while (thread.timer.timeElapsed() < a1) {
+if (isStuck()) yield;
+}
+thread.timer = null;
+yield* executeInCompatibilityLayer({"BEATS":0,}, b0, true, false, null);
+yield* executeInCompatibilityLayer({"DRUM":1,"BEATS":0,}, b1, true, false, null);
+runtime.ext_scratch3_motion._moveSteps(0, target);
+}
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+while (true) {
+b0.value = ((+b0.value || 0) + 1);
+yield;
+}
+retire();
+}; })

snapshot-tests/__snapshots__/tw-list-any.sb3.tw-snapshot

@@ -0,0 +1,37 @@
+// TW Snapshot
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["eFlmP1{XC+I1:h0Yln.K"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 7",}, b0, false, false, null);
+b1.value = [];
+listInsert(b1, "any", "a");
+listInsert(b1, "any", "b");
+listInsert(b1, "any", "c");
+if ((b1.value.length === 3)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (listContains(b1, "a")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (listContains(b1, "b")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (listContains(b1, "c")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (listContains(b1, listGet(b1.value, "any"))) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+listDelete(b1, "any");
+if ((b1.value.length === 2)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+if (compareEqual(listGet(b1.value, "*"), "")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-obsolete-blocks.sb3.tw-snapshot

@@ -0,0 +1,32 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+const b2 = runtime.getOpcodeFunction("sensing_userid");
+const b3 = runtime.getOpcodeFunction("motion_xscroll");
+const b4 = runtime.getOpcodeFunction("motion_yscroll");
+const b5 = runtime.getOpcodeFunction("motion_scroll_right");
+const b6 = runtime.getOpcodeFunction("motion_scroll_up");
+const b7 = runtime.getOpcodeFunction("motion_align_scene");
+const b8 = runtime.getOpcodeFunction("looks_setstretchto");
+const b9 = runtime.getOpcodeFunction("looks_changestretchby");
+const b10 = runtime.getOpcodeFunction("looks_hideallsprites");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+b1.value = (yield* executeInCompatibilityLayer({}, b2, false, false, null));
+b1.value = (yield* executeInCompatibilityLayer({}, b3, false, false, null));
+b1.value = (yield* executeInCompatibilityLayer({}, b4, false, false, null));
+yield* executeInCompatibilityLayer({"DISTANCE":10,}, b5, false, false, null);
+yield* executeInCompatibilityLayer({"DISTANCE":10,}, b6, false, false, null);
+yield* executeInCompatibilityLayer({"ALIGNMENT":"bottom-left",}, b7, false, false, null);
+yield* executeInCompatibilityLayer({"STRETCH":100,}, b8, false, false, null);
+yield* executeInCompatibilityLayer({"STRETCH":100,}, b8, false, false, null);
+yield* executeInCompatibilityLayer({"CHANGE":10,}, b9, false, false, null);
+yield* executeInCompatibilityLayer({"CHANGE":10,}, b9, false, false, null);
+yield* executeInCompatibilityLayer({}, b10, false, false, null);
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-one-divide-negative-zero.sb3.tw-snapshot

@@ -0,0 +1,13 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+if ((((1 / -0) || 0) === -Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-preciseProjectTimer-drift-453118719.sb3.tw-snapshot

@@ -0,0 +1,26 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["PsY$$vp$IVH;dDAr[q2h"];
+const b1 = runtime.getOpcodeFunction("looks_say");
+const b2 = stage.variables["l^q!%fq]Bv;72dlGf}^Z"];
+return function* genXYZ () {
+b0.value = 0;
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 0",}, b1, false, false, null);
+for (var a0 = 30; a0 >= 0.5; a0--) {
+b2.value = runtime.ioDevices.clock.projectTimer();
+thread.timer = timer();
+var a1 = Math.max(0, 1000 * 0);
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a1) {
+yield;
+}
+thread.timer = null;
+yield;
+}
+b0.value = 1;
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b1, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-prefers-first-occurence-of-procedure-387608267.sb3.tw-snapshot

@@ -0,0 +1,18 @@
+// TW Snapshot
+
+// Player script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+yield* thread.procedures["ZSet Costume"]();
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Player Set Costume
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ_Set_Costume () {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}; })

snapshot-tests/__snapshots__/tw-procedure-arguments-with-same-name.sb3.tw-snapshot

@@ -0,0 +1,30 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 2",}, b0, false, false, null);
+yield* thread.procedures["Znumber or text %s %s"]("bad","ok");
+yield* thread.procedures["Zboolean %b %b"]("false",!false);
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 number or text %s %s
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ_number_or_text__ (p0,p1) {
+if ((("" + p1).toLowerCase() === "ok".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+}; })
+
+// Sprite1 boolean %b %b
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ_boolean__ (p0,p1) {
+if (toBoolean(p1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+}; })

snapshot-tests/__snapshots__/tw-procedure-call-resets-variable-input-types-430811055.sb3.tw-snapshot

@@ -0,0 +1,23 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+b1.value = "";
+thread.procedures["Zdo something"]();
+if (!compareEqual(b1.value, "")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 do something
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function funXYZ_do_something () {
+b0.value = "help";
+}; })

snapshot-tests/__snapshots__/tw-procedure-prototype-exists-but-not-definition-549160843.sb3.tw-snapshot

@@ -0,0 +1,10 @@
+// TW Snapshot
+
+// Apple script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 0",}, b0, false, false, null);
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-promise-loop-double-yield-kouzeru.sb3.tw-snapshot

@@ -0,0 +1,51 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["JbF5exWEi*m?-UEmkASS"];
+const b1 = stage.variables["[G/@.KGc-4y[(GZ(bt7o"];
+const b2 = runtime.getOpcodeFunction("looks_say");
+const b3 = runtime.getOpcodeFunction("sound_seteffectto");
+return function* genXYZ () {
+while (true) {
+if (compareEqual(b0.value, b1.value)) {
+} else {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b2, false, false, null);
+b1.value = b0.value;
+yield* executeInCompatibilityLayer({"VALUE":b0.value,"EFFECT":"pitch",}, b3, false, true, null);
+if (hasResumedFromPromise) {hasResumedFromPromise = false;continue;}
+}
+yield;
+}
+retire();
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["[G/@.KGc-4y[(GZ(bt7o"];
+const b1 = runtime.getOpcodeFunction("looks_say");
+const b2 = stage.variables["JbF5exWEi*m?-UEmkASS"];
+return function* genXYZ () {
+b0.value = 0;
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 15",}, b1, false, false, null);
+for (var a0 = 15; a0 >= 0.5; a0--) {
+if (((+b2.value || 0) === 200)) {
+b2.value = 50;
+} else {
+b2.value = 200;
+}
+thread.timer = timer();
+var a1 = Math.max(0, 1000 * 0);
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a1) {
+yield;
+}
+thread.timer = null;
+yield;
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b1, false, false, null);
+runtime.stopAll();
+retire(); return;
+retire();
+}; })

snapshot-tests/__snapshots__/tw-restart-broadcast-threads.sb3.tw-snapshot

@@ -0,0 +1,33 @@
+// TW Snapshot
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+b1.value = 0;
+startHats("event_whenbroadcastreceived", { BROADCAST_OPTION: "message1" });
+startHats("event_whenbroadcastreceived", { BROADCAST_OPTION: "message1" });
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * 0);
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+if (((+b1.value || 0) === 1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+b0.value = ((+b0.value || 0) + 1);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-safe-procedure-argument-casting.sb3.tw-snapshot

@@ -0,0 +1,24 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 2",}, b0, false, false, null);
+thread.procedures["Zswitch %s"]("1");
+if ((((target.currentCostume + 1) === 2) && ((+target.getCostumes()[target.currentCostume].name || 0) === 1))) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+thread.procedures["Zswitch %s"]("2");
+if ((((target.currentCostume + 1) === 1) && ((+target.getCostumes()[target.currentCostume].name || 0) === 2))) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 switch %s
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+return function funXYZ_switch_ (p0) {
+runtime.ext_scratch3_looks._setCostume(target, p0);
+}; })

snapshot-tests/__snapshots__/tw-sensing-of.sb3.tw-snapshot

@@ -0,0 +1,113 @@
+// TW Snapshot
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage && stage.lookupVariableByNameAndType("Stage variable", "", true);
+const b2 = runtime.getSpriteTargetByName("Test sprite");
+const b3 = b2 && b2.lookupVariableByNameAndType("Private variable", "", true);
+const b4 = stage && stage.lookupVariableByNameAndType("This variable used to exist", "", true);
+const b5 = stage.variables["GTmK+*w8mNQP,z`4WG8#"];
+const b6 = runtime.getSpriteTargetByName("Sprite that doesn't exist");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 32",}, b0, false, false, null);
+if (((stage.currentCostume + 1) === 2)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass backdrop #",}, b0, false, false, null);
+}
+if ((stage.getCostumes()[stage.currentCostume].name.toLowerCase() === "Backdrop name test".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass backdrop name",}, b0, false, false, null);
+}
+if (((stage ? stage.volume : 0) === 45)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass stage volume",}, b0, false, false, null);
+}
+if ((("" + (b1 ? b1.value : 0)).toLowerCase() === "Variable in stage".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass stage variable",}, b0, false, false, null);
+}
+if (((b2 ? b2.x : 0) === 19)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass x",}, b0, false, false, null);
+}
+if (((b2 ? b2.y : 0) === 20)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass y",}, b0, false, false, null);
+}
+if (((b2 ? b2.direction : 0) === 89)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass direction",}, b0, false, false, null);
+}
+if (((b2 ? b2.currentCostume + 1 : 0) === 3)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass costume #",}, b0, false, false, null);
+}
+if ((("" + (b2 ? b2.getCostumes()[b2.currentCostume].name : 0)).toLowerCase() === "Costume name test".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass costume name",}, b0, false, false, null);
+}
+if (((b2 ? b2.size : 0) === 76.01)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass size",}, b0, false, false, null);
+}
+if (((b2 ? b2.volume : 0) === 14.3)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass volume",}, b0, false, false, null);
+}
+if ((("" + (b3 ? b3.value : 0)).toLowerCase() === "Private variable value".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass private variable",}, b0, false, false, null);
+}
+if (compareEqual((b4 ? b4.value : 0), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass non existent variable",}, b0, false, false, null);
+}
+b5.value = (("" + randomInt(1, 9)) + ("" + randomInt(1, 9)));
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: b5.value, PROPERTY: "backdrop #" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE backdrop #",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "backdrop name" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE backdrop name",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "volume" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE volume",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "Stage variable" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE stage variable",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "x position" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE x",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "y position" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE y",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "direction" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE direction",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "costume #" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE costume #",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "costume name" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE costume name",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "size" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE size",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "volume" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE volume",}, b0, false, false, null);
+}
+if (compareEqual(runtime.ext_scratch3_sensing.getAttributeOf({OBJECT: ("" + b5.value), PROPERTY: "Private variable" }), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE private variable",}, b0, false, false, null);
+}
+if (((b6 ? b6.x : 0) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE backdrop #",}, b0, false, false, null);
+}
+if (((b6 ? b6.y : 0) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE backdrop name",}, b0, false, false, null);
+}
+if (((b6 ? b6.direction : 0) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE volume",}, b0, false, false, null);
+}
+if (((b6 ? b6.currentCostume + 1 : 0) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE stage variable",}, b0, false, false, null);
+}
+if (compareEqual((b6 ? b6.getCostumes()[b6.currentCostume].name : 0), 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE x",}, b0, false, false, null);
+}
+if (((b6 ? b6.size : 0) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE y",}, b0, false, false, null);
+}
+if (((b6 ? b6.volume : 0) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass NE direction",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-stage-cannot-move-layers.sb3.tw-snapshot

@@ -0,0 +1,46 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+b1.value = "Initial";
+thread.timer = timer();
+var a0 = Math.max(0, 1000 * 0);
+runtime.requestRedraw();
+yield;
+while (thread.timer.timeElapsed() < a0) {
+yield;
+}
+thread.timer = null;
+yield* waitThreads(startHats("event_whenbroadcastreceived", { BROADCAST_OPTION: "Test 1" }));
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+const b1 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+if ((("" + b0.value).toLowerCase() === "Initial".toLowerCase())) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b1, false, false, null);
+}
+retire();
+}; })
+
+// Stage script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+return function* genXYZ () {
+retire();
+}; })
+
+// Stage script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = target.variables["`jEk@4|i[#Fk?(8x)AV.-my variable"];
+return function* genXYZ () {
+b0.value = "Stage callback";
+retire();
+}; })

snapshot-tests/__snapshots__/tw-subtract-can-return-nan.sb3.tw-snapshot

@@ -0,0 +1,13 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+if (!((Infinity - Infinity) <= 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-tangent.sb3.tw-snapshot

@@ -0,0 +1,55 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 15",}, b0, false, false, null);
+if ((tan(0) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 0",}, b0, false, false, null);
+}
+if ((tan(90) === Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 90",}, b0, false, false, null);
+}
+if ((tan(180) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 180",}, b0, false, false, null);
+}
+if ((tan(270) === -Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 270",}, b0, false, false, null);
+}
+if ((tan(360) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 360",}, b0, false, false, null);
+}
+if ((tan(450) === Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 450",}, b0, false, false, null);
+}
+if ((tan(540) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 540",}, b0, false, false, null);
+}
+if ((tan(630) === -Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 630",}, b0, false, false, null);
+}
+if ((tan(720) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 720",}, b0, false, false, null);
+}
+if ((tan(810) === Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 810",}, b0, false, false, null);
+}
+if ((tan(-90) === -Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass -90",}, b0, false, false, null);
+}
+if ((tan(-180) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass -180",}, b0, false, false, null);
+}
+if ((tan(-270) === Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass -270",}, b0, false, false, null);
+}
+if ((tan(-360) === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass -360",}, b0, false, false, null);
+}
+if ((tan(-450) === -Infinity)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass -450",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-unsafe-equals.sb3.tw-snapshot

@@ -0,0 +1,85 @@
+// TW Snapshot
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables[",OktMIwz{~bdgWnPEa8u"];
+const b2 = stage.variables["yfy(G`K5K^fJcXAfiN4i"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 14",}, b0, false, false, null);
+if ((10 === 10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 1",}, b0, false, false, null);
+}
+if ((10 === 10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 2",}, b0, false, false, null);
+}
+b1.value = 10;
+if (((+b1.value || 0) === 10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 3",}, b0, false, false, null);
+}
+if (compareEqual(b1.value, "010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 4",}, b0, false, false, null);
+}
+if (compareEqual(b1.value, "0000000010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 5",}, b0, false, false, null);
+}
+for (var a0 = 1; a0 >= 0.5; a0--) {
+if (((+b1.value || 0) === 10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 6",}, b0, false, false, null);
+}
+if (compareEqual(b1.value, "010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 7",}, b0, false, false, null);
+}
+if (compareEqual(b1.value, "0000000010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 8",}, b0, false, true, null);
+if (hasResumedFromPromise) {hasResumedFromPromise = false;continue;}
+}
+yield;
+}
+b2.value = "010";
+if (((+b2.value || 0) === 10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 9",}, b0, false, false, null);
+}
+if (compareEqual(b2.value, "010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 10",}, b0, false, false, null);
+}
+if (compareEqual(b2.value, "0000000010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 11",}, b0, false, false, null);
+}
+for (var a1 = 1; a1 >= 0.5; a1--) {
+if (((+b2.value || 0) === 10)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 12",}, b0, false, false, null);
+}
+if (compareEqual(b2.value, "010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 13",}, b0, false, false, null);
+}
+if (compareEqual(b2.value, "0000000010")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass 14",}, b0, false, true, null);
+if (hasResumedFromPromise) {hasResumedFromPromise = false;continue;}
+}
+yield;
+}
+if ((0 === 1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"fail",}, b0, false, false, null);
+}
+if ((1 === 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"fail",}, b0, false, false, null);
+}
+if ((0 === 1)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"fail",}, b0, false, false, null);
+}
+if (compareEqual(" ", 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"fail",}, b0, false, false, null);
+}
+if (compareEqual(0, " ")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"fail",}, b0, false, false, null);
+}
+if (compareEqual("", 0)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"fail",}, b0, false, false, null);
+}
+if (compareEqual(0, "")) {
+yield* executeInCompatibilityLayer({"MESSAGE":"fail",}, b0, false, false, null);
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-warp-repeat-until-timer-greater-than.sb3.tw-snapshot

@@ -0,0 +1,26 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+yield* thread.procedures["Wrun without screen refresh"]();
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 run without screen refresh
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["F?*}X,`9XBpN_[piGRrz"];
+const b1 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ_run_without_screen_r () {
+b0.value = (((daysSince2000() * 86400) || 0) + 3);
+runtime.ioDevices.clock.resetProjectTimer();
+while (!((runtime.ioDevices.clock.projectTimer() > 0.1) || compareGreaterThan((daysSince2000() * 86400), b0.value))) {
+if (isStuck()) yield;
+}
+if (compareLessThan((daysSince2000() * 86400), b0.value)) {
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b1, true, false, null);
+}
+}; })

snapshot-tests/__snapshots__/tw-when-backdrop-switches-to-next-backdrop.sb3.tw-snapshot

@@ -0,0 +1,18 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 0",}, b0, false, false, null);
+runtime.ext_scratch3_looks._setBackdrop(stage, stage.currentCostume + 1, true);
+retire();
+}; })

snapshot-tests/__snapshots__/tw-when-backdrop-switches-to-switch-backdrop-to.sb3.tw-snapshot

@@ -0,0 +1,18 @@
+// TW Snapshot
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite1 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 0",}, b0, false, false, null);
+runtime.ext_scratch3_looks._setBackdrop(stage, "backdrop2");
+retire();
+}; })

snapshot-tests/__snapshots__/tw-zombie-cube-escape-284516654.sb3.tw-snapshot

@@ -0,0 +1,31 @@
+// TW Snapshot
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = runtime.getOpcodeFunction("looks_say");
+const b1 = stage.variables["7qur6!bGgvC9I(Nd5.HP"];
+const b2 = stage.variables["sUOp@-6J4y0PqwiXit4!"];
+return function* genXYZ () {
+yield* executeInCompatibilityLayer({"MESSAGE":"plan 1",}, b0, false, false, null);
+b1.value = 0;
+b2.value = "";
+while (!compareGreaterThan(b2.value, "")) {
+startHats("event_whenbroadcastreceived", { BROADCAST_OPTION: "step" });
+yield;
+}
+yield* executeInCompatibilityLayer({"MESSAGE":"pass",}, b0, false, false, null);
+yield* executeInCompatibilityLayer({"MESSAGE":"end",}, b0, false, false, null);
+retire();
+}; })
+
+// Sprite2 script
+(function factoryXYZ(thread) { const target = thread.target; const runtime = target.runtime; const stage = runtime.getTargetForStage();
+const b0 = stage.variables["7qur6!bGgvC9I(Nd5.HP"];
+const b1 = stage.variables["sUOp@-6J4y0PqwiXit4!"];
+return function* genXYZ () {
+b0.value = ((+b0.value || 0) + 1);
+if (((b0.value || 0) === 5)) {
+b1.value = "end";
+}
+retire();
+}; })

snapshot-tests/index.js

@@ -0,0 +1,100 @@
+const Snapshot = require('./snapshots.js');
+
+/* eslint-disable no-console */
+
+const RESET = `\u001b[0m`;
+const BOLD = '\u001b[1m';
+const RED = '\u001b[31m';
+const BLUE = `\u001b[34m`;
+const GREEN = '\u001b[32m';
+const GRAY = '\u001b[90m';
+
+const PASSED = 'PASSED';
+const FAILED = 'FAILED';
+const UPDATED = 'UPDATED';
+
+const isUpdatingSnapshots = process.argv.includes('--update');
+
+const runSnapshotTest = async test => {
+    try {
+        const generatedSnapshot = await Snapshot.generateActualSnapshot(test);
+        const expectedSnapshot = Snapshot.getExpectedSnapshot(test);
+        const matches = generatedSnapshot === expectedSnapshot;
+
+        const prefix = `### ${test}: `;
+
+        if (isUpdatingSnapshots) {
+            if (matches) {
+                console.log(`${BOLD}${GREEN}${prefix}already matches${RESET}`);
+                return PASSED;
+            }
+            console.log(`${BOLD}${BLUE}### ${test}: updating${RESET}`);
+            Snapshot.saveSnapshot(test, generatedSnapshot);
+            return UPDATED;
+        }
+
+        if (matches) {
+            console.log(`${BOLD}${GREEN}### ${test}: matches${RESET}`);
+            return PASSED;
+        }
+
+        if (expectedSnapshot === null) {
+            console.log(`${BOLD}${BLUE}### ${test}: missing data, saving generated snapshot${RESET}`);
+            Snapshot.saveSnapshot(test, generatedSnapshot);
+            return UPDATED;
+        }
+
+        console.log(`${BOLD}${RED}### ${test}: DOES NOT MATCH${RESET}`);
+        console.log(`${RED}EXPECTED:\n${expectedSnapshot}${RESET}`);
+        console.log(`${BLUE}GOT:\n${generatedSnapshot}${RESET}`);
+    } catch (e) {
+        console.log(`${BOLD}${RED}### ${test}: ERROR${RESET}`);
+        console.log(`${RED}${e}${RESET}`);
+    }
+
+    console.log('');
+    return FAILED;
+};
+
+const run = async () => {
+    console.log(`Running ${Snapshot.tests.length} snapshot tests.`);
+
+    const fileToResult = {};
+    for (const test of Snapshot.tests) {
+        fileToResult[test] = await runSnapshotTest(test);
+    }
+
+    const getTestsByResult = r => Object.entries(fileToResult)
+        .filter(i => i[1] === r)
+        .map(i => i[0]);
+
+    const passed = getTestsByResult(PASSED);
+    const failed = getTestsByResult(FAILED);
+    const updated = getTestsByResult(UPDATED);
+
+    console.log('');
+    console.log(`${BOLD} === SUMMARY ===${RESET}`);
+    if (passed.length) {
+        console.log(`${BOLD}${GREEN}PASSED ${passed.length}${RESET}${GRAY} ${passed.join(', ')}${RESET}`);
+    }
+    if (failed.length) {
+        console.log(`${BOLD}${RED}FAILED ${failed.length}${RESET}${GRAY} ${failed.join(', ')}${RESET}`);
+    }
+    if (updated.length) {
+        console.log(`${BOLD}${BLUE}UPDATED ${updated.length}${RESET}${GRAY} ${updated.join(', ')}${RESET}`);
+    }
+
+    if (failed.length) {
+        console.log('');
+        console.log(`If the compiler's behavior has changed, this failure is expected.`);
+        console.log(`Update snapshots with ${BOLD}node snapshot-tests --update${RESET}`);
+        console.log(`Review the diff in version control, then commit the updated snapshot files.`);
+        process.exit(1);
+    }
+};
+
+run()
+    .catch(err => {
+        console.error(err);
+        process.exit(1);
+    });

snapshot-tests/snapshots.js

@@ -0,0 +1,74 @@
+const path = require('path');
+const fs = require('fs');
+const VM = require('../src/virtual-machine');
+const JSGenerator = require('../src/compiler/jsgen');
+
+const executeDir = path.resolve(__dirname, '../test/fixtures/execute');
+// sb2 project loading results in random IDs each time, so for now we only snapshot sb3 files
+const testProjects = fs.readdirSync(executeDir).filter(uri => uri.endsWith('.sb3'));
+
+const snapshotDir = path.resolve(__dirname, '__snapshots__');
+fs.mkdirSync(snapshotDir, {
+    recursive: true
+});
+
+const getProjectData = file => fs.readFileSync(path.join(executeDir, file));
+
+const getSnapshotPath = file => path.join(snapshotDir, `${file}.tw-snapshot`);
+
+const generateActualSnapshot = async file => {
+    const vm = new VM();
+    await vm.loadProject(getProjectData(file));
+
+    /*
+        Example source (manually formatted):
+        (function factory32(thread) {
+            const target = thread.target;
+            const runtime = target.runtime;
+            const stage = runtime.getTargetForStage();
+            return function* gen30_whatever () {
+                // ...
+            };
+        }; })
+    */
+    const normalizeJS = source => source
+        .replace(/^\(function factory\d+/, '(function factoryXYZ')
+        .replace(/return function\* gen\d+/, 'return function* genXYZ')
+        .replace(/return function fun\d+/, 'return function funXYZ');
+
+    const generatedJS = [];
+    JSGenerator.testingApparatus = {
+        report: (jsgen, factorySource) => {
+            const targetName = jsgen.target.getName();
+            const scriptName = jsgen.script.procedureCode || 'script';
+            const js = normalizeJS(factorySource);
+            generatedJS.push(`// ${targetName} ${scriptName}\n${js}`);
+        }
+    };
+
+    vm.runtime.precompile();
+
+    return `// TW Snapshot\n\n${generatedJS.join('\n\n')}\n`;
+};
+
+const getExpectedSnapshot = test => {
+    try {
+        return fs.readFileSync(getSnapshotPath(test), 'utf-8');
+    } catch (e) {
+        if (e.code === 'ENOENT') {
+            return null;
+        }
+        throw e;
+    }
+};
+
+const saveSnapshot = (test, data) => {
+    fs.writeFileSync(getSnapshotPath(test), data);
+};
+
+module.exports = {
+    tests: testProjects,
+    generateActualSnapshot,
+    getExpectedSnapshot,
+    saveSnapshot
+};

src/compiler/jsgen.js

@@ -1310,8 +1310,15 @@ class JSGenerator {
             log.info(`JS: ${this.target.getName()}: compiled ${this.script.procedureCode || 'script'}`, factory);
         }
 
+        if (JSGenerator.testingApparatus) {
+            JSGenerator.testingApparatus.report(this, factory);
+        }
+
         return fn;
     }
 }
 
+// Test hook used by automated snapshot testing.
+JSGenerator.testingApparatus = null;
+
 module.exports = JSGenerator;

test/integration/tw-snapshots.js

@@ -0,0 +1,20 @@
+const {test} = require('tap');
+const Snapshots = require('../../snapshot-tests/snapshots');
+
+for (const testName of Snapshots.tests) {
+    test(testName, async t => {
+        const expected = Snapshots.getExpectedSnapshot(testName);
+        if (expected) {
+            const actual = await Snapshots.generateActualSnapshot(testName);
+            if (actual === expected) {
+                t.pass('matches');
+            } else {
+                // This assertion will always fail, but tap will print a readable diff
+                t.equal(expected, actual, 'did not match; you may have to run: node snapshot-tests --update');
+            }
+        } else {
+            t.fail('missing snapshot, please run: node snapshot-tests --update');
+        }
+        t.end();
+    });
+}