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112 lines
3.9 KiB
112 lines
3.9 KiB
// Copyright 2010 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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// Flags: --expose-debug-as debug
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// Get the Debug object exposed from the debug context global object.
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Debug = debug.Debug
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function CheckCompareOneWay(s1, s2) {
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var diff_array = Debug.LiveEdit.TestApi.CompareStrings(s1, s2);
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var pos1 = 0;
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var pos2 = 0;
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print("Compare:");
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print("s1='" + s1 + "'");
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print("s2='" + s2 + "'");
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print("Diff:");
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print("" + diff_array);
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for (var i = 0; i < diff_array.length; i += 3) {
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var similar_length = diff_array[i] - pos1;
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assertEquals(s1.substring(pos1, pos1 + similar_length),
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s2.substring(pos2, pos2 + similar_length));
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print(s1.substring(pos1, pos1 + similar_length));
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pos1 += similar_length;
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pos2 += similar_length;
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print("<<< " + pos1 + " " + diff_array[i + 1]);
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print(s1.substring(pos1, diff_array[i + 1]));
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print("===");
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print(s2.substring(pos2, diff_array[i + 2]));
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print(">>> " + pos2 + " " + diff_array[i + 2]);
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pos1 = diff_array[i + 1];
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pos2 = diff_array[i + 2];
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}
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{
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// After last change
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var similar_length = s1.length - pos1;
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assertEquals(similar_length, s2.length - pos2);
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assertEquals(s1.substring(pos1, pos1 + similar_length),
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s2.substring(pos2, pos2 + similar_length));
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print(s1.substring(pos1, pos1 + similar_length));
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}
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print("");
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}
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function CheckCompareOneWayPlayWithLF(s1, s2) {
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var s1Oneliner = s1.replace(/\n/g, ' ');
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var s2Oneliner = s2.replace(/\n/g, ' ');
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CheckCompareOneWay(s1, s2);
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CheckCompareOneWay(s1Oneliner, s2);
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CheckCompareOneWay(s1, s2Oneliner);
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CheckCompareOneWay(s1Oneliner, s2Oneliner);
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}
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function CheckCompare(s1, s2) {
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CheckCompareOneWayPlayWithLF(s1, s2);
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CheckCompareOneWayPlayWithLF(s2, s1);
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}
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CheckCompare("", "");
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CheckCompare("a", "b");
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CheckCompare(
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"yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway",
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"yesterday\nall\nmy\ntroubles\nseem\nso\nfar\naway"
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);
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CheckCompare(
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"yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway",
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"\nall\nmy\ntroubles\nseemed\nso\nfar\naway"
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);
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CheckCompare(
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"yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway",
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"all\nmy\ntroubles\nseemed\nso\nfar\naway"
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);
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CheckCompare(
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"yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway",
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"yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway\n"
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);
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CheckCompare(
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"yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway",
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"yesterday\nall\nmy\ntroubles\nseemed\nso\n"
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);
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