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-rw-r--r--js/src/tests/non262/expressions/destructuring-scope.js67
1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/tests/non262/expressions/destructuring-scope.js b/js/src/tests/non262/expressions/destructuring-scope.js
new file mode 100644
index 0000000000..374c1bec98
--- /dev/null
+++ b/js/src/tests/non262/expressions/destructuring-scope.js
@@ -0,0 +1,67 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 'none';
+var summary = 'Test destructuring assignments for differing scopes';
+var actual = '';
+var expect = '';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function f() {
+ var x = 3;
+ if (x > 0) {
+ let {a:x} = {a:7};
+ if (x != 7)
+ throw "fail";
+ }
+ if (x != 3)
+ throw "fail";
+}
+
+function g() {
+ // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+ // the expected values were a == "x" and b == 7.
+ for (var [a,b] in {x:7}) {
+ if (a !== "x" || typeof b !== "undefined")
+ throw "fail";
+ }
+
+ {
+ // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+ // the expected values were a == "y" and b == 8.
+ for (let [a,b] in {y:8}) {
+ if (a !== "y" || typeof b !== "undefined")
+ throw "fail";
+ }
+ }
+
+ if (a !== "x" || typeof b !== "undefined")
+ throw "fail";
+}
+
+f();
+g();
+
+if (typeof a != "undefined" || typeof b != "undefined" || typeof x != "undefined")
+ throw "fail";
+
+function h() {
+ // Before JS1.7's destructuring for…in was fixed to match JS1.8's,
+ // the expected values were a == "x" and b == 9.
+ for ([a,b] in {z:9}) {
+ if (a !== "z" || typeof b !== "undefined")
+ throw "fail";
+ }
+}
+
+h();
+
+if (a !== "z" || typeof b !== "undefined")
+ throw "fail";
+
+reportCompare(expect, actual, summary);