Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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 | // Get the Debug object exposed from the debug context global object. |
| 30 | Debug = debug.Debug |
| 31 | |
| 32 | listenerComplete = false; |
| 33 | exception = false; |
| 34 | |
| 35 | // The base part of all evaluate requests. |
| 36 | var base_request = '"seq":0,"type":"request","command":"evaluate"' |
| 37 | |
| 38 | function safeEval(code) { |
| 39 | try { |
| 40 | return eval('(' + code + ')'); |
| 41 | } catch (e) { |
| 42 | assertEquals(void 0, e); |
| 43 | return undefined; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | function testRequest(dcp, arguments, success, result) { |
| 48 | // Generate request with the supplied arguments. |
| 49 | var request; |
| 50 | if (arguments) { |
| 51 | request = '{' + base_request + ',"arguments":' + arguments + '}'; |
| 52 | } else { |
| 53 | request = '{' + base_request + '}' |
| 54 | } |
| 55 | var response = safeEval(dcp.processDebugJSONRequest(request)); |
| 56 | if (success) { |
| 57 | assertTrue(response.success, request + ' -> ' + response.message); |
| 58 | assertEquals(result, response.body.value); |
| 59 | } else { |
| 60 | assertFalse(response.success, request + ' -> ' + response.message); |
| 61 | } |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 62 | assertEquals(response.running, "unspecified_running_state", |
| 63 | request + ' -> expected not running'); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 64 | } |
| 65 | |
| 66 | function listener(event, exec_state, event_data, data) { |
| 67 | try { |
| 68 | if (event == Debug.DebugEvent.Break) { |
| 69 | // Get the debug command processor. |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 70 | var dcp = exec_state.debugCommandProcessor("unspecified_running_state"); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 71 | |
| 72 | // Test some illegal evaluate requests. |
| 73 | testRequest(dcp, void 0, false); |
| 74 | testRequest(dcp, '{"expression":"1","global"=true}', false); |
| 75 | testRequest(dcp, '{"expression":"a","frame":4}', false); |
| 76 | |
| 77 | // Test some legal evaluate requests. |
| 78 | testRequest(dcp, '{"expression":"1+2"}', true, 3); |
| 79 | testRequest(dcp, '{"expression":"a+2"}', true, 5); |
| 80 | testRequest(dcp, '{"expression":"({\\"a\\":1,\\"b\\":2}).b+2"}', true, 4); |
| 81 | |
| 82 | // Test evaluation of a in the stack frames and the global context. |
| 83 | testRequest(dcp, '{"expression":"a"}', true, 3); |
| 84 | testRequest(dcp, '{"expression":"a","frame":0}', true, 3); |
| 85 | testRequest(dcp, '{"expression":"a","frame":1}', true, 2); |
| 86 | testRequest(dcp, '{"expression":"a","frame":2}', true, 1); |
| 87 | testRequest(dcp, '{"expression":"a","global":true}', true, 1); |
| 88 | testRequest(dcp, '{"expression":"this.a","global":true}', true, 1); |
| 89 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 90 | // Test that the whole string text is returned if maxStringLength |
| 91 | // parameter is passed. |
| 92 | testRequest( |
| 93 | dcp, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 94 | '{"expression":"this.longString","global":true,"maxStringLength":-1}', |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 95 | true, |
| 96 | longString); |
| 97 | testRequest( |
| 98 | dcp, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 99 | '{"expression":"this.longString","global":true,"maxStringLength":' + |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 100 | longString.length + '}', |
| 101 | true, |
| 102 | longString); |
| 103 | var truncatedStringSuffix = '... (length: ' + longString.length + ')'; |
| 104 | testRequest( |
| 105 | dcp, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 106 | '{"expression":"this.longString","global":true,"maxStringLength":0}', |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 107 | true, |
| 108 | truncatedStringSuffix); |
| 109 | testRequest( |
| 110 | dcp, |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 111 | '{"expression":"this.longString","global":true,"maxStringLength":1}', |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 112 | true, |
| 113 | longString.charAt(0) + truncatedStringSuffix); |
| 114 | // Test that by default string is truncated to first 80 chars. |
| 115 | testRequest( |
| 116 | dcp, |
| 117 | '{"expression":"this.longString","global":true}', |
| 118 | true, |
| 119 | longString.substring(0, 80) + truncatedStringSuffix); |
| 120 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 121 | // Indicate that all was processed. |
| 122 | listenerComplete = true; |
| 123 | } |
| 124 | } catch (e) { |
| 125 | exception = e |
| 126 | }; |
| 127 | }; |
| 128 | |
| 129 | // Add the debug event listener. |
| 130 | Debug.setListener(listener); |
| 131 | |
| 132 | function f() { |
| 133 | var a = 3; |
| 134 | }; |
| 135 | |
| 136 | function g() { |
| 137 | var a = 2; |
| 138 | f(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 139 | return a; // Use the value to prevent it being removed by DCE. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 140 | }; |
| 141 | |
| 142 | a = 1; |
| 143 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 144 | // String which is longer than 80 chars. |
| 145 | var longString = "1234567890_"; |
| 146 | for (var i = 0; i < 4; i++) { |
| 147 | longString += longString; |
| 148 | } |
| 149 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 150 | // Set a break point at return in f and invoke g to hit the breakpoint. |
| 151 | Debug.setBreakPoint(f, 2, 0); |
| 152 | g(); |
| 153 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 154 | assertFalse(exception, "exception in listener") |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 155 | // Make sure that the debug event listener vas invoked. |
| 156 | assertTrue(listenerComplete, "listener did not run to completion"); |