1 files changed, 123 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Destructuring/yield-in-object-destr-script.js b/js/src/tests/ecma_6/Destructuring/yield-in-object-destr-script.js
new file mode 100644
index 000000000..99b48dd41
--- /dev/null
+++ b/js/src/tests/ecma_6/Destructuring/yield-in-object-destr-script.js
@@ -0,0 +1,123 @@
+/* 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/. */
+
+
+// Destructuring binding patterns with var.
+var {a: yield} = {a: "yield-with-name"};
+assertEq(yield, "yield-with-name");
+
+var {yield} = {yield: "yield-with-shorthand"};
+assertEq(yield, "yield-with-shorthand");
+
+var {yield = 0} = {yield: "yield-with-coverinitname"};
+assertEq(yield, "yield-with-coverinitname");
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    var {a: yield} = {};
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    var {yield} = {};
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    var {yield = 0} = {};
+`), SyntaxError);
+
+
+// Destructuring binding patterns with let.
+{
+    let {a: yield} = {a: "yield-with-name"};
+    assertEq(yield, "yield-with-name");
+}
+
+{
+    let {yield} = {yield: "yield-with-shorthand"};
+    assertEq(yield, "yield-with-shorthand");
+}
+
+{
+    let {yield = 0} = {yield: "yield-with-coverinitname"};
+    assertEq(yield, "yield-with-coverinitname");
+}
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    let {a: yield} = {};
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    let {yield} = {};
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    let {yield = 0} = {};
+`), SyntaxError);
+
+
+// Destructuring binding patterns with const.
+{
+    const {a: yield} = {a: "yield-with-name"};
+    assertEq(yield, "yield-with-name");
+}
+
+{
+    const {yield} = {yield: "yield-with-shorthand"};
+    assertEq(yield, "yield-with-shorthand");
+}
+
+{
+    const {yield = 0} = {yield: "yield-with-coverinitname"};
+    assertEq(yield, "yield-with-coverinitname");
+}
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    const {a: yield} = {};
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    const {yield} = {};
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    const {yield = 0} = {};
+`), SyntaxError);
+
+
+// Destructuring assignment pattern.
+({a: yield} = {a: "yield-with-name"});
+assertEq(yield, "yield-with-name");
+
+({yield} = {yield: "yield-with-shorthand"});
+assertEq(yield, "yield-with-shorthand");
+
+({yield = 0} = {yield: "yield-with-coverinitname"});
+assertEq(yield, "yield-with-coverinitname");
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    ({a: yield} = {});
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    ({yield} = {});
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    ({yield = 0} = {});
+`), SyntaxError);
+
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0, "ok");