diff options
Diffstat (limited to 'js/src/tests/ecma_7/Destructuring/duplicate-__proto__.js')
-rw-r--r-- | js/src/tests/ecma_7/Destructuring/duplicate-__proto__.js | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/js/src/tests/ecma_7/Destructuring/duplicate-__proto__.js b/js/src/tests/ecma_7/Destructuring/duplicate-__proto__.js new file mode 100644 index 000000000..a8f76014e --- /dev/null +++ b/js/src/tests/ecma_7/Destructuring/duplicate-__proto__.js @@ -0,0 +1,54 @@ +/* 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 assignment. +var a, b; +({__proto__: a, __proto__: b} = {}); +assertEq(a, Object.prototype); +assertEq(b, Object.prototype); + +// Destructuring binding with "var". +var {__proto__: a, __proto__: b} = {}; +assertEq(a, Object.prototype); +assertEq(b, Object.prototype); + +// Destructuring binding with "let". +{ + let {__proto__: a, __proto__: b} = {}; + assertEq(a, Object.prototype); + assertEq(b, Object.prototype); +} + +// Destructuring binding with "const". +{ + const {__proto__: a, __proto__: b} = {}; + assertEq(a, Object.prototype); + assertEq(b, Object.prototype); +} + +// Function parameters. +function f1({__proto__: a, __proto__: b}) { + assertEq(a, Object.prototype); + assertEq(b, Object.prototype); +} +f1({}); + +// Arrow function parameters. +var f2 = ({__proto__: a, __proto__: b}) => { + assertEq(a, Object.prototype); + assertEq(b, Object.prototype); +}; +f2({}); + +// Arrow function parameters with defaults (initially parsed as destructuring assignment). +var f3 = ({__proto__: a, __proto__: b} = {}) => { + assertEq(a, Object.prototype); + assertEq(b, Object.prototype); +}; +f3({}); + + +if (typeof reportCompare === "function") + reportCompare(0, 0); |