1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-elem-ary-elem-init.js b/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-elem-ary-elem-init.js
new file mode 100644
index 0000000000..2d0e070008
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/async-generator/dstr/ary-ptrn-elem-ary-elem-init.js
@@ -0,0 +1,45 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
+// - src/dstr-binding/default/async-gen-func-expr.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (async generator function expression)
+esid: sec-asyncgenerator-definitions-evaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
+        AsyncGeneratorBody }
+
+        [...]
+        3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
+           AsyncGeneratorBody, scope, strict).
+        [...]
+
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    BindingElement : BindingPatternInitializer opt
+
+    [...]
+    2. If iteratorRecord.[[done]] is true, let v be undefined.
+    3. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be ? GetValue(defaultValue).
+    4. Return the result of performing BindingInitialization of BindingPattern
+       with v and environment as the arguments.
+---*/
+
+
+var callCount = 0;
+var f;
+f = async function*([[x, y, z] = [4, 5, 6]]) {
+  assert.sameValue(x, 4);
+  assert.sameValue(y, 5);
+  assert.sameValue(z, 6);
+  callCount = callCount + 1;
+};
+
+f([]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');
+}).then($DONE, $DONE);