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66 lines
2.0 KiB
66 lines
2.0 KiB
// 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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// Flags: --harmony-regexps --harmony-unicode-regexps
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var r1 = /abc/gi;
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assertEquals("abc", r1.source);
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assertTrue(r1.global);
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assertTrue(r1.ignoreCase);
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assertFalse(r1.multiline);
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assertFalse(r1.sticky);
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assertFalse(r1.unicode);
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// Internal slot of prototype is not read.
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var r2 = { __proto__: r1 };
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assertThrows(function() { r2.source; }, TypeError);
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assertThrows(function() { r2.global; }, TypeError);
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assertThrows(function() { r2.ignoreCase; }, TypeError);
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assertThrows(function() { r2.multiline; }, TypeError);
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assertThrows(function() { r2.sticky; }, TypeError);
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assertThrows(function() { r2.unicode; }, TypeError);
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var r3 = /I/;
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var string = "iIiIi";
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var expected = "iXiIi";
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assertFalse(r3.global);
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assertFalse(r3.ignoreCase);
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assertEquals("", r3.flags);
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assertEquals(expected, string.replace(r3, "X"));
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var get_count = 0;
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Object.defineProperty(r3, "global", {
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get: function() { get_count++; return true; }
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});
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Object.defineProperty(r3, "ignoreCase", {
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get: function() { get_count++; return true; }
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});
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assertTrue(r3.global);
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assertEquals(1, get_count);
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assertTrue(r3.ignoreCase);
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assertEquals(2, get_count);
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// Overridden flag getters affects the flags getter.
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assertEquals("gi", r3.flags);
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assertEquals(4, get_count);
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// Overridden flag getters do not affect the internal flags.
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assertEquals(expected, string.replace(r3, "X"));
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assertEquals(4, get_count);
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function testName(name) {
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// TODO(littledan): For web compatibility, we don't throw an exception,
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// but ES2015 expects an exception to be thrown from this getter.
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assertEquals(undefined, RegExp.prototype[name]);
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assertEquals(
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"get " + name,
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Object.getOwnPropertyDescriptor(RegExp.prototype, name).get.name);
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}
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testName("global");
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testName("ignoreCase");
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testName("multiline");
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testName("source");
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testName("sticky");
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testName("unicode");
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