js/src/jit-test/tests/collections/Set-surfaces-2.js

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-1:000000000000 0:297d51d10a4e
1 // Set methods throw when passed a this-value that isn't a Set.
2
3 load(libdir + "asserts.js");
4
5 function testcase(obj, fn) {
6 assertEq(typeof fn, "function");
7 var args = Array.slice(arguments, 2);
8 assertThrowsInstanceOf(function () { fn.apply(obj, args); }, TypeError);
9 }
10
11 var Set_size_getter = Object.getOwnPropertyDescriptor(Set.prototype, "size").get;
12
13 function test(obj) {
14 testcase(obj, Set.prototype.has, 12);
15 testcase(obj, Set.prototype.add, 12);
16 testcase(obj, Set.prototype.delete, 12);
17 testcase(obj, Set.prototype.clear);
18 testcase(obj, Set.prototype.keys);
19 testcase(obj, Set.prototype.values);
20 testcase(obj, Set.prototype.entries);
21 testcase(obj, Set_size_getter);
22 }
23
24 test(Set.prototype);
25 test(Object.create(new Set));
26 test(new Map());
27 test({});
28 test(null);
29 test(undefined);

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