cover-init-name-syntax.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/. */

// CoverInitName in arrow parameters.

({a = 1}, {b = 2}, {c = 3}) => {};

({a = 1} = {}, {b = 2}, {c = 3}) => {};

({a = 1} = {}, {b = 2} = {}, {c = 3}) => {};

({a = 1} = {}, {b = 2} = {}, {c = 3} = {}) => {};

// CoverInitName in CoverParenthesizedExpressionAndArrowParameterList,

// but not ArrowParameters.

assertThrowsInstanceOf(() => eval(`

    ({a = 1}, {b = 2}, {c = 3});

`), SyntaxError);

assertThrowsInstanceOf(() => eval(`

    ({a = 1}, {b = 2}, {c = 3} = {});

`), SyntaxError);

assertThrowsInstanceOf(() => eval(`

    ({a = 1}, {b = 2} = {}, {c = 3} = {});

`), SyntaxError);

// CoverInitName nested in array destructuring.

[{a = 0}] = [{}];

var [{a = 0}] = [{}];

{ let [{a = 0}] = [{}]; }

{ const [{a = 0}] = [{}]; }

for ([{a = 0}] of []);

for (var [{a = 0}] of []);

for (let [{a = 0}] of []);

for (const [{a = 0}] of []);

function f([{a = 0}]) {}

var h = ([{a = 0}]) => {};

// CoverInitName nested in rest pattern.

[...[{a = 0}]] = [{}];

var [...[{a = 0}]] = [{}];

{ let [...[{a = 0}]] = [{}]; }

{ const [...[{a = 0}]] = [{}]; }

for ([...[{a = 0}]] of []);

for (var [...[{a = 0}]] of []);

for (let [...[{a = 0}]] of []);

for (const [...[{a = 0}]] of []);

function f([...[{a = 0}]]) {}

var h = ([...[{a = 0}]]) => {};

// CoverInitName nested in object destructuring.

({p: {a = 0}} = {p: {}});

var {p: {a = 0}} = {p: {}};

{ let {p: {a = 0}} = {p: {}}; }

{ const {p: {a = 0}} = {p: {}}; }

for ({p: {a = 0}} of []);

for (var {p: {a = 0}} of []);

for (let {p: {a = 0}} of []);

for (const {p: {a = 0}} of []);

function f({p: {a = 0}}) {}

var h = ({p: {a = 0}}) => {};

if (typeof reportCompare === "function")

    reportCompare(0, 0);