WeakSet-error.js - mozsearch

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load(libdir + "asserts.js");

load(libdir + "iteration.js");

function testMethod(name) {

    var method = WeakSet.prototype[name];

    assertThrowsInstanceOf(function() { method.call(1); }, TypeError);

    assertThrowsInstanceOf(function() { method.call({}); }, TypeError);

    assertThrowsInstanceOf(function() { method.call(new WeakMap); }, TypeError);

    assertThrowsInstanceOf(function() { method.call(WeakSet.prototype); }, TypeError);

testMethod("has");

testMethod("add");

testMethod("delete");

testMethod("clear");

assertThrowsInstanceOf(function() { var ws = new WeakSet(); ws.add(1); }, TypeError);

assertThrowsInstanceOf(function() { new WeakSet({[Symbol.iterator]: 2}) }, TypeError);

assertEq(typeof [][Symbol.iterator], "function");

assertThrowsInstanceOf(function() { WeakSet(); }, TypeError);