1 files changed, 79 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id.js b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
new file mode 100644
index 0000000000..608cdcf3b3
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/dstr/async-gen-meth-static-ary-ptrn-elem-obj-prop-id.js
@@ -0,0 +1,79 @@
+// |reftest| async
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
+// - src/dstr-binding/default/cls-decl-async-gen-meth-static.template
+/*---
+description: BindingElement with object binding pattern and initializer is not used (static class expression async generator method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+features: [async-iteration]
+flags: [generated, async]
+info: |
+    ClassDeclaration : class BindingIdentifier ClassTail
+
+    1. Let className be StringValue of BindingIdentifier.
+    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
+       argument className.
+    [...]
+
+    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
+
+    21. For each ClassElement m in order from methods
+        a. If IsStatic of m is false, then
+        b. Else,
+           Let status be the result of performing PropertyDefinitionEvaluation for
+           m with arguments F and false.
+    [...]
+
+    Runtime Semantics: PropertyDefinitionEvaluation
+
+    AsyncGeneratorMethod :
+        async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
+            { AsyncGeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
+       Otherwise let strict be false.
+    4. Let scope be the running execution context's LexicalEnvironment.
+    5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
+       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;
+class C {
+  static async *method([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
+    assert.sameValue(v, 777);
+    assert.sameValue(x, 888);
+    assert.sameValue(z, 999);
+
+    assert.throws(ReferenceError, function() {
+      u;
+    });
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    assert.throws(ReferenceError, function() {
+      y;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+C.method([{ u: 777, w: 888, y: 999 }]).next().then(() => {
+    assert.sameValue(callCount, 1, 'invoked exactly once');    
+}).then($DONE, $DONE);