1 files changed, 65 insertions, 0 deletions
diff --git a/test/language/expressions/function/dstr-ary-ptrn-elem-id-init-fn-name-gen.js b/test/language/expressions/function/dstr-ary-ptrn-elem-id-init-fn-name-gen.js
new file mode 100644
index 000000000..bd6d3657d
--- /dev/null
+++ b/test/language/expressions/function/dstr-ary-ptrn-elem-id-init-fn-name-gen.js
@@ -0,0 +1,65 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
+// - src/dstr-binding/default/func-expr.template
+/*---
+description: SingleNameBinding assigns name to "anonymous" generator functions (function expression)
+esid: sec-function-definitions-runtime-semantics-evaluation
+es6id: 14.1.20
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    FunctionExpression : function ( FormalParameters ) { FunctionBody }
+
+        [...]
+        3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody,
+           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.
+    [...]
+
+    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
+
+    SingleNameBinding : BindingIdentifier Initializeropt
+
+    [...]
+    6. If Initializer is present and v is undefined, then
+       a. Let defaultValue be the result of evaluating Initializer.
+       b. Let v be GetValue(defaultValue).
+       c. ReturnIfAbrupt(v).
+       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
+          [...]
+    7. If environment is undefined, return PutValue(lhs, v).
+    8. Return InitializeReferencedBinding(lhs, v).
+---*/
+
+var callCount = 0;
+var f;
+f = function([gen = function* () {}, xGen = function* x() {}]) {
+  assert.sameValue(gen.name, 'gen');
+  assert.notSameValue(xGen.name, 'xGen');
+  callCount = callCount + 1;
+};
+
+f([]);
+assert.sameValue(callCount, 1, 'function invoked exactly once');