1 files changed, 182 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Destructuring/yield-in-object-destr-function.js b/js/src/tests/ecma_6/Destructuring/yield-in-object-destr-function.js
new file mode 100644
index 000000000..9f5eed834
--- /dev/null
+++ b/js/src/tests/ecma_6/Destructuring/yield-in-object-destr-function.js
@@ -0,0 +1,182 @@
+/* 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.
+(function() {
+    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";
+    function f() {
+        var {a: yield} = {};
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        var {yield} = {};
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        var {yield = 0} = {};
+    }
+`), SyntaxError);
+
+
+// Destructuring binding patterns with let.
+(function(){
+    let {a: yield} = {a: "yield-with-name"};
+    assertEq(yield, "yield-with-name");
+})();
+
+(function() {
+    let {yield} = {yield: "yield-with-shorthand"};
+    assertEq(yield, "yield-with-shorthand");
+})();
+
+(function() {
+    let {yield = 0} = {yield: "yield-with-coverinitname"};
+    assertEq(yield, "yield-with-coverinitname");
+})();
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        let {a: yield} = {};
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        let {yield} = {};
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        let {yield = 0} = {};
+    }
+`), SyntaxError);
+
+
+// Destructuring binding patterns with const.
+(function() {
+    const {a: yield} = {a: "yield-with-name"};
+    assertEq(yield, "yield-with-name");
+})();
+
+(function() {
+    const {yield} = {yield: "yield-with-shorthand"};
+    assertEq(yield, "yield-with-shorthand");
+})();
+
+(function() {
+    const {yield = 0} = {yield: "yield-with-coverinitname"};
+    assertEq(yield, "yield-with-coverinitname");
+})();
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        const {a: yield} = {};
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        const {yield} = {};
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        const {yield = 0} = {};
+    }
+`), SyntaxError);
+
+
+// Destructuring binding patterns in parameters.
+(function({a: yield} = {a: "yield-with-name"}) {
+    assertEq(yield, "yield-with-name");
+})();
+
+(function({yield} = {yield: "yield-with-shorthand"}) {
+    assertEq(yield, "yield-with-shorthand");
+})();
+
+(function({yield = 0} = {yield: "yield-with-coverinitname"}) {
+    assertEq(yield, "yield-with-coverinitname");
+})();
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f({a: yield} = {}) { }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f({yield} = {}) { }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f({yield = 0} = {}) { }
+`), SyntaxError);
+
+
+// Destructuring assignment pattern.
+(function() {
+    var a, yield;
+
+    ({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";
+    function f() {
+        ({a: yield} = {});
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        ({yield} = {});
+    }
+`), SyntaxError);
+
+assertThrowsInstanceOf(() => eval(`
+    "use strict";
+    function f() {
+        ({yield = 0} = {});
+    }
+`), SyntaxError);
+
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0, "ok");