The Tor Browser: js/src/jit-test/tests/arrays/pop-nonarray-nonwritable-length.js@7e26c7da4463

     1 // Array.prototype.pop does a strict assignment to this.length even if the

     2 // caller is nonstrict. Bug 886087.

     4 load(libdir + "asserts.js");

     6 // obj.length is read-only

     7 var obj = {pop: [].pop, 0: "zero"};

     8 Object.defineProperty(obj, "length", {configurable: true, value: 1, writable: false});

     9 assertThrowsInstanceOf(() => obj.pop(), TypeError);

    11 // obj.length has only a getter

    12 obj = {pop: [].pop, 0: "zero", get length() { return 1; }};

    13 assertThrowsInstanceOf(() => obj.pop(), TypeError);

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