Async/await Promise dependency graph

test/mjsunit/harmony/async-debug-caught-exception-cases.js

Index: test/mjsunit/harmony/async-debug-caught-exception-cases.js
diff --git a/test/mjsunit/harmony/async-debug-caught-exception-cases.js b/test/mjsunit/harmony/async-debug-caught-exception-cases.js
index 316267ed74d309a54530819f54eafb1c91b49d79..0b658dd81562fc78c1b62ac1cc0d811d83f55f07 100644
--- a/test/mjsunit/harmony/async-debug-caught-exception-cases.js
+++ b/test/mjsunit/harmony/async-debug-caught-exception-cases.js
@@ -31,6 +31,19 @@ function rejectConstructor() {
 
 async function argThrower(x = (() => { throw "d"; })()) { }  // Exception d
 
+async function awaitThrow() {
+  await undefined;
+  throw "e";  // Exception e
+}
+
+function constructorThrow() {
+  return new Promise((resolve, reject) =>
+    Promise.resolve().then(() =>
+      reject("f")  // Exception f
+    )
+  );
+}
+
 function suppressThrow() {
   return thrower();
 }
@@ -80,7 +93,43 @@ async function indirectAwaitCatch(producer) {
   }
 }
 
-let catches = [caught, indirectCaught, indirectAwaitCatch];
+function switchCatch(producer) {
+  let resolve;
+  let promise = new Promise(r => resolve = r);
+  async function localCaught() {
+    try {
+      await promise;  // force switching to localUncaught and back
+      await producer();
+    } catch (e) { }
+  }
+  async function localUncaught() {
+    await undefined;
+    resolve();
+  }
+  localCaught();
+  localUncaught();
+}
+
+function switchDotCatch(producer) {
+  let resolve;
+  let promise = new Promise(r => resolve = r);
+  async function localCaught() {
+    await promise;  // force switching to localUncaught and back
+    await producer();
+  }
+  async function localUncaught() {
+    await undefined;
+    resolve();
+  }
+  localCaught().catch(() => {});
+  localUncaught();
+}
+
+let catches = [caught,
+               indirectCaught,
+               indirectAwaitCatch,
+               switchCatch,
+               switchDotCatch];
 let noncatches = [uncaught, indirectUncaught];
 let lateCatches = [dotCatch,
                    indirectReturnDotCatch,
@@ -89,18 +138,19 @@ let lateCatches = [dotCatch,
 
 let throws = [thrower, reject, argThrower, suppressThrow];
 let nonthrows = [awaitReturn, scalar, nothing];
+let lateThrows = [awaitThrow, constructorThrow];
 let uncatchable = [rejectConstructor];
 
 let cases = [];
 
-for (let producer of throws) {
+for (let producer of throws.concat(lateThrows)) {
   for (let consumer of catches) {
     cases.push({ producer, consumer, expectedEvents: 1, caught: true });
     cases.push({ producer, consumer, expectedEvents: 0, caught: false });
   }
 }
 
-for (let producer of throws) {
+for (let producer of throws.concat(lateThrows)) {
   for (let consumer of noncatches) {
     cases.push({ producer, consumer, expectedEvents: 1, caught: true });
     cases.push({ producer, consumer, expectedEvents: 1, caught: false });
@@ -121,6 +171,13 @@ for (let producer of uncatchable) {
   }
 }
 
+for (let producer of lateThrows) {
+  for (let consumer of lateCatches) {
+    cases.push({ producer, consumer, expectedEvents: 1, caught: true });
+    cases.push({ producer, consumer, expectedEvents: 0, caught: false });
+  }
+}
+
 for (let producer of throws) {
   for (let consumer of lateCatches) {
     cases.push({ producer, consumer, expectedEvents: 1, caught: true });