JezK
Edit File: debug-liveedit-diff.js
// Copyright 2010 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --expose-debug-as debug // Get the Debug object exposed from the debug context global object. Debug = debug.Debug function CheckCompareOneWay(s1, s2) { var diff_array = Debug.LiveEdit.TestApi.CompareStrings(s1, s2); var pos1 = 0; var pos2 = 0; print("Compare:"); print("s1='" + s1 + "'"); print("s2='" + s2 + "'"); print("Diff:"); print("" + diff_array); for (var i = 0; i < diff_array.length; i += 3) { var similar_length = diff_array[i] - pos1; assertEquals(s1.substring(pos1, pos1 + similar_length), s2.substring(pos2, pos2 + similar_length)); print(s1.substring(pos1, pos1 + similar_length)); pos1 += similar_length; pos2 += similar_length; print("<<< " + pos1 + " " + diff_array[i + 1]); print(s1.substring(pos1, diff_array[i + 1])); print("==="); print(s2.substring(pos2, diff_array[i + 2])); print(">>> " + pos2 + " " + diff_array[i + 2]); pos1 = diff_array[i + 1]; pos2 = diff_array[i + 2]; } { // After last change var similar_length = s1.length - pos1; assertEquals(similar_length, s2.length - pos2); assertEquals(s1.substring(pos1, pos1 + similar_length), s2.substring(pos2, pos2 + similar_length)); print(s1.substring(pos1, pos1 + similar_length)); } print(""); } function CheckCompareOneWayPlayWithLF(s1, s2) { var s1Oneliner = s1.replace(/\n/g, ' '); var s2Oneliner = s2.replace(/\n/g, ' '); CheckCompareOneWay(s1, s2); CheckCompareOneWay(s1Oneliner, s2); CheckCompareOneWay(s1, s2Oneliner); CheckCompareOneWay(s1Oneliner, s2Oneliner); } function CheckCompare(s1, s2) { CheckCompareOneWayPlayWithLF(s1, s2); CheckCompareOneWayPlayWithLF(s2, s1); } CheckCompare("", ""); CheckCompare("a", "b"); CheckCompare( "yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway", "yesterday\nall\nmy\ntroubles\nseem\nso\nfar\naway" ); CheckCompare( "yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway", "\nall\nmy\ntroubles\nseemed\nso\nfar\naway" ); CheckCompare( "yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway", "all\nmy\ntroubles\nseemed\nso\nfar\naway" ); CheckCompare( "yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway", "yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway\n" ); CheckCompare( "yesterday\nall\nmy\ntroubles\nseemed\nso\nfar\naway", "yesterday\nall\nmy\ntroubles\nseemed\nso\n" );