1 // Copyright 2013 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 Debug = debug.Debug 31 32 var error = null; 33 var test = 0; 34 35 function check_v(expected, exec_state, frame_id) { 36 assertEquals(expected, exec_state.frame(frame_id).evaluate('v').value()); 37 } 38 39 function listener(event, exec_state, event_data, data) { 40 try { 41 if (event != Debug.DebugEvent.Break) return; 42 test++; 43 if (test == 1) { 44 check_v('inner0', exec_state, 0); 45 check_v('inner0', exec_state, 1); 46 check_v('outer', exec_state, 2); 47 assertArrayEquals(["a", "b", "c"], 48 exec_state.frame(0).evaluate('arguments').value()); 49 } else if (test == 2) { 50 check_v('inner1', exec_state, 0); 51 check_v('inner1', exec_state, 1); 52 check_v('outer', exec_state, 2); 53 assertArrayEquals(["a", "b", "c"], 54 exec_state.frame(0).evaluate('arguments').value()); 55 } else { 56 assertEquals(3, test); 57 check_v('inner2', exec_state, 0); 58 check_v('inner1', exec_state, 1); 59 check_v('inner1', exec_state, 2); 60 check_v('outer', exec_state, 3); 61 assertArrayEquals(["x", "y", "z"], 62 exec_state.frame(0).evaluate('arguments').value()); 63 assertArrayEquals(["a", "b", "c"], 64 exec_state.frame(1).evaluate('arguments').value()); 65 } 66 } catch (e) { 67 error = e; 68 } 69 }; 70 71 Debug.setListener(listener); 72 73 var v = 'outer'; 74 (function() { // Test 1 and 2 75 var v = 'inner0'; 76 eval("debugger; var v = 'inner1'; debugger;"); 77 assertEquals('inner1', v); // Overwritten by local eval. 78 })("a", "b", "c"); 79 assertNull(error); 80 81 (function() { // Test 3 82 var v = 'inner0'; // Local eval overwrites this value. 83 eval("var v = 'inner1'; " + 84 "(function() { var v = 'inner2'; debugger; })('x', 'y', 'z');"); 85 assertEquals('inner1', v); // Overwritten by local eval. 86 })("a", "b", "c"); 87 assertNull(error); 88
