js/src/jit-test/tests/collections/Array-of-surfaces.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/collections/Array-of-surfaces.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,14 @@
     1.4 +// Check superficial features of Array.of.
     1.5 +
     1.6 +load(libdir + "asserts.js");
     1.7 +
     1.8 +var desc = Object.getOwnPropertyDescriptor(Array, "of");
     1.9 +assertEq(desc.configurable, true);
    1.10 +assertEq(desc.enumerable, false);
    1.11 +assertEq(desc.writable, true);
    1.12 +assertEq(Array.of.length, 0);
    1.13 +assertThrowsInstanceOf(() => new Array.of(), TypeError);  // not a constructor
    1.14 +
    1.15 +// When the this-value passed in is not a constructor, the result is an array.
    1.16 +for (let v of [undefined, null, false, "cow"])
    1.17 +    assertEq(Array.isArray(Array.of.call(v)), true);

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