yield-in-object-destr-script.js

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/* 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");