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. 31function Point(x, y) { 32 this.x = x; 33 this.y = y; 34}; 35 36Point.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 41p1 = new Point(1,1); 42p2 = new Point(2,2); 43 44p1.distanceTo = function(p) { 45 return p.distanceTo(this); 46} 47 48function distance(p, q) { 49 return p.distanceTo(q); 50} 51 52function createPoint(x, y) { 53 return new Point(x, y); 54} 55 56a=[1,2,distance]; 57 58// Get the Debug object exposed from the debug context global object. 59Debug = debug.Debug 60 61testConstructor = false; // Flag to control which part of the test is run. 62listenerCalled = false; 63exception = false; 64 65function safeEval(code) { 66 try { 67 return eval('(' + code + ')'); 68 } catch (e) { 69 return undefined; 70 } 71} 72 73function 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. 105Debug.setListener(listener); 106 107// Set a break point and call to invoke the debug event listener. 108a[2](p1, p2) 109 110// Make sure that the debug event listener vas invoked. 111assertTrue(listenerCalled); 112assertFalse(exception, "exception in listener") 113 114// Set a break point and call to invoke the debug event listener. 115listenerCalled = false; 116testConstructor = true; 117Debug.setBreakPoint(Point, 0, 0); 118createPoint(0, 0); 119 120// Make sure that the debug event listener vas invoked (again). 121assertTrue(listenerCalled); 122assertFalse(exception, "exception in listener") 123