1 files changed, 77 insertions, 0 deletions
diff --git a/test/language/statements/class/dstr-meth-obj-ptrn-id-trailing-comma.js b/test/language/statements/class/dstr-meth-obj-ptrn-id-trailing-comma.js
new file mode 100644
index 000000000..02dfd1a6b
--- /dev/null
+++ b/test/language/statements/class/dstr-meth-obj-ptrn-id-trailing-comma.js
@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
+// - src/dstr-binding/default/cls-decl-meth.template
+/*---
+description: Trailing comma is allowed following BindingPropertyList (class expression method)
+esid: sec-runtime-semantics-bindingclassdeclarationevaluation
+es6id: 14.5.15
+features: [destructuring-binding]
+flags: [generated]
+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
+           i. Let status be the result of performing
+              PropertyDefinitionEvaluation for m with arguments proto and
+              false.
+        [...]
+
+    14.3.8 Runtime Semantics: DefineMethod
+
+    MethodDefinition : PropertyName ( StrictFormalParameters ) { FunctionBody }
+
+    [...]
+    6. Let closure be FunctionCreate(kind, StrictFormalParameters, FunctionBody,
+       scope, strict). If functionPrototype was passed as a parameter then pass its
+       value as the functionPrototype optional argument of FunctionCreate.
+    [...]
+
+    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;
+class C {
+  method({ x, }) {
+    assert.sameValue(x, 23);
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ x: 23 });
+assert.sameValue(callCount, 1, 'method invoked exactly once');