1// Copyright 2010 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
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13//       contributors may be used to endorse or promote products derived
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15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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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,
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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
31Debug = debug.Debug
32
33function Test(old_expression, new_expression) {
34    // Generate several instances of function to test that we correctly fix
35    // all functions in memory.
36    var function_instance_number = 11;
37    eval("var t1 =1;\n" +
38         "ChooseAnimalArray = [];\n" +
39         "for (var i = 0; i < function_instance_number; i++) {\n" +
40         "    ChooseAnimalArray.push(\n" +
41         "        function ChooseAnimal() {\n" +
42         "            return " + old_expression + ";\n" +
43         "        });\n" +
44         "}\n" +
45         "var t2 =1;\n");
46
47    for (var i = 0; i < ChooseAnimalArray.length; i++) {
48        assertEquals("Cat", ChooseAnimalArray[i]());
49    }
50
51    var script = Debug.findScript(ChooseAnimalArray[0]);
52
53    var patch_pos = script.source.indexOf(old_expression);
54    var new_animal_patch = new_expression;
55
56    var change_log = new Array();
57    Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos,
58        old_expression.length, new_expression, change_log);
59
60    for (var i = 0; i < ChooseAnimalArray.length; i++) {
61        assertEquals("Capybara", ChooseAnimalArray[i]());
62    }
63}
64
65// Check that old literal boilerplate was reset.
66Test("['Cat'][0]", "['Capybara'][0]");
67Test("['Cat'][0]", "{a:'Capybara'}.a");
68
69// No literals -> 1 literal.
70Test("'Cat'", "['Capybara'][0]");
71
72// No literals -> 2 literals.
73Test("'Cat'", "['Capy'][0] + {a:'bara'}.a");
74
75// 1 literal -> no literals.
76Test("['Cat'][0]", "'Capybara'");
77
78// 2 literals -> no literals.
79Test("['Ca'][0] + {a:'t'}.a", "'Capybara'");
80
81// No literals -> regexp.
82Test("'Cat'", "(/.A.Y.A.A/i).exec('Capybara')[0]");
83
84// Array literal -> regexp.
85Test("['Cat'][0]", "(/.A.Y.A.A/i).exec('Capybara')[0]");
86
87// Regexp -> object literal.
88Test("(/.A./i).exec('Cat')[0]", "{c:'Capybara'}.c");
89
90// No literals -> regexp.
91Test("'Cat'", "(/.A.Y.A.A/i).exec('Capybara')[0]");
92
93// Regexp -> no literals.
94Test("(/.A./i).exec('Cat')[0]", "'Capybara'");
95