1 // Copyright 2008 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 30 // The functions used for testing backtraces. 31 function Point(x, y) { 32 this.x = x; 33 this.y = y; 34 }; 35 36 Point.prototype.distanceTo = function(p) { 37 debugger; 38 return Math.sqrt(Math.pow(Math.abs(this.x - p.x), 2) + Math.pow(Math.abs(this.y - p.y), 2)) 39 } 40 41 p1 = new Point(1,1); 42 p2 = new Point(2,2); 43 44 p1.distanceTo = function(p) { 45 return p.distanceTo(this); 46 } 47 48 function distance(p, q) { 49 return p.distanceTo(q); 50 } 51 52 function createPoint(x, y) { 53 return new Point(x, y); 54 } 55 56 a=[1,2,distance]; 57 58 // Get the Debug object exposed from the debug context global object. 59 Debug = debug.Debug 60 61 testConstructor = false; // Flag to control which part of the test is run. 62 listenerCalled = false; 63 exception = false; 64 65 function safeEval(code) { 66 try { 67 return eval('(' + code + ')'); 68 } catch (e) { 69 return undefined; 70 } 71 } 72 73 function listener(event, exec_state, event_data, data) { 74 try { 75 if (event == Debug.DebugEvent.Break) 76 { 77 if (!testConstructor) { 78 // The expected backtrace is 79 // 0: Call distance on Point where distance is a property on the prototype 80 // 1: Call distance on Point where distance is a direct property 81 // 2: Call on function an array element 2 82 // 3: [anonymous] 83 assertEquals("#<Point>.distanceTo(p=#<Point>)", exec_state.frame(0).invocationText()); 84 assertEquals("#<Point>.distanceTo(p=#<Point>)", exec_state.frame(1).invocationText()); 85 assertEquals("#<Array>[2](aka distance)(p=#<Point>, q=#<Point>)", exec_state.frame(2).invocationText()); 86 assertEquals("[anonymous]()", exec_state.frame(3).invocationText()); 87 listenerCalled = true; 88 } else { 89 // The expected backtrace is 90 // 0: Call Point constructor 91 // 1: Call on global function createPoint 92 // 2: [anonymous] 93 assertEquals("new Point(x=0, y=0)", exec_state.frame(0).invocationText()); 94 assertEquals("createPoint(x=0, y=0)", exec_state.frame(1).invocationText()); 95 assertEquals("[anonymous]()", exec_state.frame(2).invocationText()); 96 listenerCalled = true; 97 } 98 } 99 } catch (e) { 100 exception = e 101 }; 102 }; 103 104 // Add the debug event listener. 105 Debug.setListener(listener); 106 107 // Set a break point and call to invoke the debug event listener. 108 a[2](p1, p2) 109 110 // Make sure that the debug event listener vas invoked. 111 assertTrue(listenerCalled); 112 assertFalse(exception, "exception in listener") 113 114 // Set a break point and call to invoke the debug event listener. 115 listenerCalled = false; 116 testConstructor = true; 117 Debug.setBreakPoint(Point, 0, 0); 118 createPoint(0, 0); 119 120 // Make sure that the debug event listener vas invoked (again). 121 assertTrue(listenerCalled); 122 assertFalse(exception, "exception in listener") 123
