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51 lines
1.1 KiB
JavaScript
51 lines
1.1 KiB
JavaScript
// Copyright (C) 2015 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-weakmap-iterable
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description: >
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Throws a TypeError if iterable itens are not Objects.
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info: |
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WeakMap ( [ iterable ] )
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...
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9. Repeat
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...
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d. Let nextItem be IteratorValue(next).
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e. ReturnIfAbrupt(nextItem).
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f. If Type(nextItem) is not Object,
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i. Let error be Completion{[[type]]: throw, [[value]]: a newly created
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TypeError object, [[target]]:empty}.
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ii. Return IteratorClose(iter, error).
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features: [Symbol, WeakMap]
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---*/
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assert.throws(TypeError, function() {
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new WeakMap([1, 1]);
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});
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assert.throws(TypeError, function() {
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new WeakMap(['', 1]);
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});
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assert.throws(TypeError, function() {
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new WeakMap([true, 1]);
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});
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assert.throws(TypeError, function() {
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new WeakMap([null, 1]);
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});
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assert.throws(TypeError, function() {
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new WeakMap([Symbol('a'), 1]);
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});
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assert.throws(TypeError, function() {
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new WeakMap([undefined, 1]);
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});
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assert.throws(TypeError, function() {
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new WeakMap([
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['a', 1], 2
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]);
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});
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