Wed, 31 Dec 2014 06:55:50 +0100
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
michael@0 | 1 | // Array.prototype.reverse does a strict assignment to this.length even if the |
michael@0 | 2 | // caller is nonstrict. Bug 886087. |
michael@0 | 3 | |
michael@0 | 4 | load(libdir + "asserts.js"); |
michael@0 | 5 | |
michael@0 | 6 | // obj[1] is read-only |
michael@0 | 7 | var obj = {0: "zero", length: 2, reverse: [].reverse}; |
michael@0 | 8 | Object.defineProperty(obj, "1", {configurable: true, value: "one", writable: false}); |
michael@0 | 9 | assertThrowsInstanceOf(() => obj.reverse(), TypeError); |
michael@0 | 10 | |
michael@0 | 11 | // obj[1] has only a getter |
michael@0 | 12 | Object.defineProperty(obj, "1", {configurable: true, get: () => "one"}); |
michael@0 | 13 | assertThrowsInstanceOf(() => obj.reverse(), TypeError); |