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1 // Copyright 2012 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 | |
34 function TestCase(test_scenario, expected_output) { | |
35 // Global variable, accessed from eval'd script. | |
36 test_output = ""; | |
37 | |
38 var script_text_generator = (function() { | |
39 var variables = { a: 1, b: 1, c: 1, d: 1, e: 1, f: 1 }; | |
40 | |
41 return { | |
42 get: function() { | |
43 return "(function() {\n " + | |
44 " function A() {\n " + | |
45 " test_output += 'a' + " + variables.a + ";\n " + | |
46 " test_output += '=';\n " + | |
47 " debugger;\n " + | |
48 " return 'Capybara';\n " + | |
49 " }\n " + | |
50 " function B(p1, p2) {\n " + | |
51 " test_output += 'b' + " + variables.b + ";\n " + | |
52 " return A();\n " + | |
53 " }\n " + | |
54 " function C() {\n " + | |
55 " test_output += 'c' + " + variables.c + ";\n " + | |
56 " // Function call with argument adaptor is intentional.\n " + | |
57 " return B();\n " + | |
58 " }\n " + | |
59 " function D() {\n " + | |
60 " test_output += 'd' + " + variables.d + ";\n " + | |
61 " // Function call with argument adaptor is intentional.\n " + | |
62 " return C(1, 2);\n " + | |
63 " }\n " + | |
64 " function E() {\n " + | |
65 " test_output += 'e' + " + variables.e + ";\n " + | |
66 " return D();\n " + | |
67 " }\n " + | |
68 " function F() {\n " + | |
69 " test_output += 'f' + " + variables.f + ";\n " + | |
70 " return E();\n " + | |
71 " }\n " + | |
72 " return F();\n " + | |
73 "})\n"; | |
74 }, | |
75 change: function(var_name) { | |
76 variables[var_name]++; | |
77 } | |
78 }; | |
79 })(); | |
80 | |
81 var test_fun = eval(script_text_generator.get()); | |
82 | |
83 var script = Debug.findScript(test_fun); | |
84 | |
85 var scenario_pos = 0; | |
86 | |
87 function DebuggerStatementHandler() { | |
88 while (true) { | |
89 assertTrue(scenario_pos < test_scenario.length); | |
90 var change_var = test_scenario[scenario_pos++]; | |
91 if (change_var == '=') { | |
92 // Continue. | |
93 return; | |
94 } | |
95 script_text_generator.change(change_var); | |
96 try { | |
97 Debug.LiveEdit.SetScriptSource(script, script_text_generator.get(), | |
98 false, []); | |
99 } catch (e) { | |
100 print("LiveEdit exception: " + e); | |
101 throw e; | |
102 } | |
103 } | |
104 } | |
105 | |
106 var saved_exception = null; | |
107 | |
108 function listener(event, exec_state, event_data, data) { | |
109 if (event == Debug.DebugEvent.Break) { | |
110 try { | |
111 DebuggerStatementHandler(); | |
112 } catch (e) { | |
113 saved_exception = e; | |
114 } | |
115 } else { | |
116 print("Other: " + event); | |
117 } | |
118 } | |
119 | |
120 Debug.setListener(listener); | |
121 assertEquals("Capybara", test_fun()); | |
122 Debug.setListener(null); | |
123 | |
124 if (saved_exception) { | |
125 print("Exception: " + saved_exception); | |
126 assertUnreachable(); | |
127 } | |
128 | |
129 print(test_output); | |
130 | |
131 assertEquals(expected_output, test_output); | |
132 } | |
133 | |
134 TestCase(['='], "f1e1d1c1b1a1="); | |
135 | |
136 TestCase(['c', '=', '='], "f1e1d1c1b1a1=c2b1a1="); | |
137 | |
138 TestCase(['b', 'c', 'd', 'e', '=', '='], "f1e1d1c1b1a1=e2d2c2b2a1="); | |
139 | |
140 TestCase(['b', 'c', '=', 'b', 'c', 'd', 'e', '=', '='], "f1e1d1c1b1a1=c2b2a1=e2d
2c3b3a1="); | |
141 | |
142 TestCase(['e', 'f', '=', '='], "f1e1d1c1b1a1=f2e2d1c1b1a1="); | |
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