1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/dstr/array-rest-nested-obj-undefined-own.js b/js/src/tests/test262/language/statements/for-of/dstr/array-rest-nested-obj-undefined-own.js
new file mode 100644
index 0000000000..2c93d273ba
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/dstr/array-rest-nested-obj-undefined-own.js
@@ -0,0 +1,42 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-rest-nested-obj-undefined-own.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: When DestructuringAssignmentTarget is an array literal and the iterable emits `undefined` as the only value, an array with a single `undefined` element should be used as the value of the nested DestructuringAssignment. (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+---*/
+var x = null;
+// Use the the top-level lexical scope for 'length' to provide compatibility with browsers
+// where length and name are properties of WindowProxy
+let length;
+
+var counter = 0;
+
+for ([...{ 0: x, length }] of [[undefined]]) {
+  assert.sameValue(x, undefined);
+  assert.sameValue(length, 1);
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);
+
+reportCompare(0, 0);