51 lines
2.5 KiB
JavaScript
51 lines
2.5 KiB
JavaScript
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description(
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"This page tests invalid character ranges in character classes."
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);
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// These test a basic range / non range.
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shouldBe('/[a-c]+/.exec("-acbd");', '["acb"]');
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shouldBe('/[a\\-c]+/.exec("-acbd")', '["-ac"]');
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// A reverse-range is invalid.
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shouldThrow('/[c-a]+/.exec("-acbd");');
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// A character-class in a range is invalid, according to ECMA-262, but we allow it.
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shouldBe('/[\\d-x]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[x-\\d]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[\\d-\\d]+/.exec("1-3xy");', '["1-3"]');
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// Whilst we break with ECMA-262's definition of CharacterRange, we do comply with
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// the grammar, and as such in the following regex a-z cannot be matched as a range.
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shouldBe('/[\\d-a-z]+/.exec("az1-3y");', '["az1-3"]');
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// An escaped hypen should not be confused for an invalid range.
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shouldBe('/[\\d\\-x]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[x\\-\\d]+/.exec("1-3xy");', '["1-3x"]');
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shouldBe('/[\\d\\-\\d]+/.exec("1-3xy");', '["1-3"]');
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// A hyphen after a character-class is not invalid.
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shouldBe('/[\\d-]+/.exec("1-3xy")', '["1-3"]');
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