1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-elem-id-iter-val-array-prototype.js b/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-elem-id-iter-val-array-prototype.js
new file mode 100644
index 0000000000..38b3441861
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-elem-id-iter-val-array-prototype.js
@@ -0,0 +1,61 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-iter-val-array-prototype.case
+// - src/dstr-binding/default/async-gen-func-decl.template
+/*---
+description: Array destructuring uses overriden Array.prototype[Symbol.iterator] (async generator function declaration)
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [Symbol.iterator, generators, async-iteration]
+flags: [generated, async]
+info: |
+    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
+        ( FormalParameters ) { AsyncGeneratorBody }
+
+        [...]
+        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
+            scope, strict).
+        [...]
+
+
+    Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializer_opt
+
+    1. Let bindingId be StringValue of BindingIdentifier.
+    2. Let lhs be ? ResolveBinding(bindingId, environment).
+    3. If iteratorRecord.[[Done]] is false, then
+        a. Let next be IteratorStep(iteratorRecord).
+        b. If next is an abrupt completion, set iteratorRecord.[[Done]] to true.
+        c. ReturnIfAbrupt(next).
+        d. If next is false, set iteratorRecord.[[Done]] to true.
+        e. Else,
+            i. Let v be IteratorValue(next).
+            ii. If v is an abrupt completion, set iteratorRecord.[[Done]] to true.
+            iii. ReturnIfAbrupt(v).
+    [...]
+    7. Return InitializeReferencedBinding(lhs, v).
+
+---*/
+Array.prototype[Symbol.iterator] = function* () {
+    if (this.length > 0) {
+        yield this[0];
+    }
+    if (this.length > 1) {
+        yield this[1];
+    }
+    if (this.length > 2) {
+        yield 42;
+    }
+};
+
+
+var callCount = 0;
+async function* f([x, y, z]) {
+  assert.sameValue(x, 1);
+  assert.sameValue(y, 2);
+  assert.sameValue(z, 42);
+  callCount = callCount + 1;
+};
+f([1, 2, 3]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);