57 lines
3.0 KiB
JavaScript
57 lines
3.0 KiB
JavaScript
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// Copyright 2013 the V8 project authors. All rights reserved.
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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 are
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// met:
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//
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// * 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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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Make sure normalization is always on, and normalization flag is ignored.
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// We need a character with two combining marks, from two different classes,
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// to make ICU fail comparison without normalization (upper, lower accent).
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// We will just switch order of combining characters to try to induce failure.
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// FYI, this one wouldn't work, since both accents are from the same class:
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// http://unicode.org/cldr/utility/character.jsp?a=01DF
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// See http://demo.icu-project.org/icu-bin/nbrowser?t=&s=1E09&uv=0 and
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// http://unicode.org/cldr/utility/character.jsp?a=1E09 for character details.
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var toCompare = ['\u0063\u0327\u0301', '\u0063\u0301\u0327'];
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// Try with normalization off (as an option).
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var collator = Intl.Collator([], {normalization: false});
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// If we accepted normalization parameter, this would have failed.
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assertEquals(0, collator.compare(toCompare[0], toCompare[1]));
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assertFalse(collator.resolvedOptions().hasOwnProperty('normalization'));
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// Try with normalization off (as Unicode extension).
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collator = Intl.Collator(['de-u-kk-false']);
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// If we accepted normalization parameter, this would have failed.
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assertEquals(0, collator.compare(toCompare[0], toCompare[1]));
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assertFalse(collator.resolvedOptions().hasOwnProperty('normalization'));
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// Normalization is on by default.
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collator = Intl.Collator();
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assertEquals(0, collator.compare(toCompare[0], toCompare[1]));
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assertFalse(collator.resolvedOptions().hasOwnProperty('normalization'));
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