1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/arrow-function/dstr/obj-ptrn-prop-ary-trailing-comma.js b/js/src/tests/test262/language/expressions/arrow-function/dstr/obj-ptrn-prop-ary-trailing-comma.js
new file mode 100644
index 0000000000..8ed63ded12
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/arrow-function/dstr/obj-ptrn-prop-ary-trailing-comma.js
@@ -0,0 +1,57 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
+// - src/dstr-binding/default/arrow-function.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (arrow function expression)
+esid: sec-arrow-function-definitions-runtime-semantics-evaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    ArrowFunction : ArrowParameters => ConciseBody
+
+    [...]
+    4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, scope, strict).
+    [...]
+
+    9.2.1 [[Call]] ( thisArgument, argumentsList)
+
+    [...]
+    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
+    [...]
+
+    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
+
+    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
+    [...]
+
+    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
+
+    [...]
+    23. Let iteratorRecord be Record {[[iterator]]:
+        CreateListIterator(argumentsList), [[done]]: false}.
+    24. If hasDuplicates is true, then
+        [...]
+    25. Else,
+        b. Let formalStatus be IteratorBindingInitialization for formals with
+           iteratorRecord and env as arguments.
+    [...]
+
+    13.3.3 Destructuring Binding Patterns
+
+    ObjectBindingPattern[Yield] :
+        { }
+        { BindingPropertyList[?Yield] }
+        { BindingPropertyList[?Yield] , }
+---*/
+
+var callCount = 0;
+var f;
+f = ({ x: [y], }) => {
+  assert.sameValue(y,45);
+  callCount = callCount + 1;
+};
+
+f({ x: [45] });
+assert.sameValue(callCount, 1, 'arrow function invoked exactly once');
+
+reportCompare(0, 0);