1 files changed, 86 insertions, 0 deletions
diff --git a/test/language/statements/class/dstr-gen-meth-obj-ptrn-prop-obj.js b/test/language/statements/class/dstr-gen-meth-obj-ptrn-prop-obj.js
new file mode 100644
index 000000000..2f86d6115
--- /dev/null
+++ b/test/language/statements/class/dstr-gen-meth-obj-ptrn-prop-obj.js
@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/obj-ptrn-prop-obj.case
+// - src/dstr-binding/default/cls-decl-gen-meth.template
+/*---
+description: Object binding pattern with "nested" object binding pattern not using initializer (class expression method)
+esid: sec-class-definitions-runtime-semantics-evaluation
+es6id: 14.5.16
+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.
+        [...]
+
+    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
+
+    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
+
+    1. Let propKey be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(propKey).
+    3. If the function code for this GeneratorMethod 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 GeneratorFunctionCreate(Method,
+       StrictFormalParameters, GeneratorBody, 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.
+    [...]
+
+    13.3.3.7 Runtime Semantics: KeyedBindingInitialization
+
+    [...]
+    3. If Initializer is present and v is undefined, then
+       [...]
+    4. Return the result of performing BindingInitialization for BindingPattern
+       passing v and environment as arguments.
+---*/
+
+var callCount = 0;
+class C {
+  *method({ w: { x, y, z } = { x: 4, y: 5, z: 6 } }) {
+    assert.sameValue(x, undefined);
+    assert.sameValue(y, undefined);
+    assert.sameValue(z, 7);
+
+    assert.throws(ReferenceError, function() {
+      w;
+    });
+    callCount = callCount + 1;
+  }
+};
+
+new C().method({ w: { x: undefined, z: 7 } }).next();
+assert.sameValue(callCount, 1, 'method invoked exactly once');