1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-rest-id-iter-step-err.js b/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-rest-id-iter-step-err.js
new file mode 100644
index 0000000000..c8ea051d59
--- /dev/null
+++ b/js/src/tests/test262/language/statements/async-generator/dstr/ary-ptrn-rest-id-iter-step-err.js
@@ -0,0 +1,51 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-rest-id-iter-step-err.case
+// - src/dstr-binding/error/async-gen-func-decl.template
+/*---
+description: Error forwarding when IteratorStep returns an abrupt completion (async generator function declaration)
+esid: sec-asyncgenerator-definitions-instantiatefunctionobject
+features: [generators, async-iteration]
+flags: [generated]
+info: |
+    AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
+        ( FormalParameters ) { AsyncGeneratorBody }
+
+        [...]
+        3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
+            scope, strict).
+        [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+    BindingRestElement : ... BindingIdentifier
+    1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
+       environment).
+    2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
+       a. If iteratorRecord.[[done]] is false,
+          i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
+          ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
+              true.
+          iii. ReturnIfAbrupt(next).
+
+---*/
+var first = 0;
+var second = 0;
+var iter = function*() {
+  first += 1;
+  throw new Test262Error();
+  second += 1;
+}();
+
+
+async function* f([...x]) {
+  
+};
+
+assert.throws(Test262Error, function() {
+  f(iter);
+});
+
+iter.next();
+assert.sameValue(first, 1);
+assert.sameValue(second, 0, 'Iterator is closed following abrupt completion.');
+
+reportCompare(0, 0);