js/src/jit-test/tests/collections/key-equality-2.js


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// Number keys are distinct from string keys that would name the same property.

var s = new Set;

s.add(17);
assertEq(s.has("17"), false);
assertEq(s.has(17), true);
s.add("17");
assertEq(s.delete(17), true);
assertEq(s.has("17"), true);
assertEq(s.has(17), false);