45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
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// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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let compatConstructors = [
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{c: Intl.DateTimeFormat, m: "format"},
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{c: Intl.NumberFormat, m: "format"},
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];
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for (let {c, m} of compatConstructors) {
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let i = Object.create(c.prototype);
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assertTrue(i instanceof c);
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assertThrows(() => i[m], TypeError);
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assertEquals(i, c.call(i));
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assertEquals(i[m], i[m]);
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assertTrue(i instanceof c);
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for ({c: c2, m: m2} of compatConstructors) {
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if (c2 === c) {
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assertThrows(() => c2.call(i), TypeError);
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} else {
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let i2 = c2.call(i);
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assertTrue(i2 != i);
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assertFalse(i2 instanceof c);
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assertTrue(i2 instanceof c2);
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assertEquals(i2[m2], i2[m2]);
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}
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}
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}
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let noCompatConstructors = [
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{c: Intl.Collator, m: "compare"},
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{c: Intl.v8BreakIterator, m: "next"},
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];
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for (let {c, m} of noCompatConstructors) {
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let i = Object.create(c.prototype);
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assertTrue(i instanceof c);
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assertThrows(() => i[m], TypeError);
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let i2 = c.call(i);
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assertTrue(i2 != i);
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assertEquals('function', typeof i2[m]);
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assertTrue(i2 instanceof c);
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}
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