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47 lines
981 B
47 lines
981 B
9 years ago
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// Copyright 2016 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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var log = [];
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var fake =
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{
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get source() {
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log.push("p");
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return {
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toString: function() {
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log.push("ps");
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return "pattern";
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}
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};
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},
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get flags() {
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log.push("f");
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return {
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toString: function() {
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log.push("fs");
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return "flags";
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}
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};
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}
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}
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function testThrows(x) {
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try {
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RegExp.prototype.toString.call(x);
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} catch (e) {
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assertTrue(/incompatible receiver/.test(e.message));
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return;
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}
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assertUnreachable();
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}
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testThrows(1);
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testThrows(null);
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Number.prototype.source = "a";
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Number.prototype.flags = "b";
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testThrows(1);
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assertEquals("/pattern/flags", RegExp.prototype.toString.call(fake));
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assertEquals(["p", "ps", "f", "fs"], log);
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