1 files changed, 66 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/const-ary-ptrn-elem-ary-empty-init.js b/js/src/tests/test262/language/statements/for-of/dstr/const-ary-ptrn-elem-ary-empty-init.js
new file mode 100644
index 0000000000..0b7d99fda1
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/dstr/const-ary-ptrn-elem-ary-empty-init.js
@@ -0,0 +1,66 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
+// - src/dstr-binding/default/for-of-const.template
+/*---
+description: BindingElement with array binding pattern and initializer is used (for-of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+features: [generators, destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+        for ( ForDeclaration of AssignmentExpression ) Statement
+
+    [...]
+    3. Return ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
+       lexicalBinding, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    3. Let destructuring be IsDestructuring of lhs.
+    [...]
+    5. Repeat
+       [...]
+       h. If destructuring is false, then
+          [...]
+       i. Else
+          i. If lhsKind is assignment, then
+             [...]
+          ii. Else if lhsKind is varBinding, then
+              [...]
+          iii. Else,
+               1. Assert: lhsKind is lexicalBinding.
+               2. Assert: lhs is a ForDeclaration.
+               3. Let status be the result of performing BindingInitialization
+                  for lhs passing nextValue and iterationEnv as arguments.
+          [...]
+
+    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 initCount = 0;
+var iterCount = 0;
+var iter = function*() { iterCount += 1; }();
+
+var iterCount = 0;
+
+for (const [[] = function() { initCount += 1; return iter; }()] of [[]]) {
+  assert.sameValue(initCount, 1);
+  assert.sameValue(iterCount, 0);
+
+  iterCount += 1;
+}
+
+assert.sameValue(iterCount, 1, 'iteration occurred as expected');
+
+reportCompare(0, 0);