1 // Copyright 2010 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 // Flags: --expose-debug-as debug 29 // Get the Debug object exposed from the debug context global object. 30 31 Debug = debug.Debug 32 33 function Return2010() { 34 return 2010; 35 } 36 37 38 // Diff it trivial: zero chunks 39 var NoChunkTranslator = new Debug.LiveEdit.TestApi.PosTranslator([]); 40 41 assertEquals(0, NoChunkTranslator.Translate(0)); 42 assertEquals(10, NoChunkTranslator.Translate(10)); 43 44 45 // Diff has one chunk 46 var SingleChunkTranslator = new Debug.LiveEdit.TestApi.PosTranslator([20, 30, 25]); 47 48 assertEquals(0, SingleChunkTranslator.Translate(0)); 49 assertEquals(5, SingleChunkTranslator.Translate(5)); 50 assertEquals(10, SingleChunkTranslator.Translate(10)); 51 assertEquals(19, SingleChunkTranslator.Translate(19)); 52 assertEquals(2010, SingleChunkTranslator.Translate(20, Return2010)); 53 assertEquals(25, SingleChunkTranslator.Translate(30)); 54 assertEquals(26, SingleChunkTranslator.Translate(31)); 55 assertEquals(2010, SingleChunkTranslator.Translate(26, Return2010)); 56 57 try { 58 SingleChunkTranslator.Translate(21); 59 assertTrue(false); 60 } catch (ignore) { 61 } 62 try { 63 SingleChunkTranslator.Translate(24); 64 assertTrue(false); 65 } catch (ignore) { 66 } 67 68 69 // Diff has several chunk (3). See the table below. 70 71 /* 72 chunks: (new <- old) 73 10 10 74 15 20 75 76 35 40 77 50 40 78 79 70 60 80 70 70 81 */ 82 83 var MultiChunkTranslator = new Debug.LiveEdit.TestApi.PosTranslator([10, 20, 15, 40, 40, 50, 60, 70, 70 ]); 84 assertEquals(5, MultiChunkTranslator.Translate(5)); 85 assertEquals(9, MultiChunkTranslator.Translate(9)); 86 assertEquals(2010, MultiChunkTranslator.Translate(10, Return2010)); 87 assertEquals(15, MultiChunkTranslator.Translate(20)); 88 assertEquals(20, MultiChunkTranslator.Translate(25)); 89 assertEquals(34, MultiChunkTranslator.Translate(39)); 90 assertEquals(50, MultiChunkTranslator.Translate(40, Return2010)); 91 assertEquals(55, MultiChunkTranslator.Translate(45)); 92 assertEquals(69, MultiChunkTranslator.Translate(59)); 93 assertEquals(2010, MultiChunkTranslator.Translate(60, Return2010)); 94 assertEquals(70, MultiChunkTranslator.Translate(70)); 95 assertEquals(75, MultiChunkTranslator.Translate(75)); 96 97 98