1 files changed, 86 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-undefined-sync-get-abrupt.js b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-undefined-sync-get-abrupt.js
new file mode 100644
index 0000000000..39524b5304
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/async-gen-method/yield-star-getiter-async-undefined-sync-get-abrupt.js
@@ -0,0 +1,86 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/async-generators/yield-star-getiter-async-undefined-sync-get-abrupt.case
+// - src/async-generators/default/async-class-decl-method.template
+/*---
+description: Abrupt completion while getting @@iterator after undefined @@asyncIterator (Async Generator method as a ClassDeclaration element)
+esid: prod-AsyncGeneratorMethod
+features: [Symbol.iterator, Symbol.asyncIterator, async-iteration]
+flags: [generated, async]
+info: |
+    ClassElement :
+      MethodDefinition
+
+    MethodDefinition :
+      AsyncGeneratorMethod
+
+    Async Generator Function Definitions
+
+    AsyncGeneratorMethod :
+      async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
+
+
+    YieldExpression: yield * AssignmentExpression
+
+    1. Let exprRef be the result of evaluating AssignmentExpression.
+    2. Let value be ? GetValue(exprRef).
+    3. Let generatorKind be ! GetGeneratorKind().
+    4. Let iterator be ? GetIterator(value, generatorKind).
+    ...
+
+    GetIterator ( obj [ , hint ] )
+
+    ...
+    3. If hint is async,
+      a. Set method to ? GetMethod(obj, @@asyncIterator).
+      b. If method is undefined,
+        i. Let syncMethod be ? GetMethod(obj, @@iterator).
+    ...
+
+    GetMethod ( V, P )
+
+    ...
+    2. Let func be ? GetV(V, P).
+    ...
+
+---*/
+var calls = 0;
+var reason = {};
+var obj = {
+  get [Symbol.iterator]() {
+    throw reason;
+  },
+  get [Symbol.asyncIterator]() {
+    calls += 1;
+    return undefined;
+  }
+};
+
+
+
+var callCount = 0;
+
+class C { async *gen() {
+    callCount += 1;
+    yield* obj;
+      throw new Test262Error('abrupt completion closes iter');
+
+}}
+
+var gen = C.prototype.gen;
+
+var iter = gen();
+
+iter.next().then(() => {
+  throw new Test262Error('Promise incorrectly fulfilled.');
+}, v => {
+  assert.sameValue(v, reason, 'reject reason');
+  assert.sameValue(calls, 1);
+
+  iter.next().then(({ done, value }) => {
+    assert.sameValue(done, true, 'the iterator is completed');
+    assert.sameValue(value, undefined, 'value is undefined');
+  }).then($DONE, $DONE);
+}).catch($DONE);
+
+assert.sameValue(callCount, 1);