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1 // Copyright 2011 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 --harmony-scoping | |
29 | |
30 // Test debug evaluation for functions without local context, but with | |
31 // nested catch contexts. | |
32 | |
33 "use strict"; | |
34 | |
35 var x; | |
36 var result; | |
37 | |
38 function f() { | |
39 { // Line 1. | |
40 let i = 1; // Line 2. | |
41 try { // Line 3. | |
42 throw 'stuff'; // Line 4. | |
43 } catch (e) { // Line 5. | |
44 x = 2; // Line 6. | |
45 } | |
46 } | |
47 }; | |
48 | |
49 // Get the Debug object exposed from the debug context global object. | |
50 var Debug = debug.Debug | |
51 // Set breakpoint on line 6. | |
52 var bp = Debug.setBreakPoint(f, 6); | |
53 | |
54 function listener(event, exec_state, event_data, data) { | |
55 if (event == Debug.DebugEvent.Break) { | |
56 result = exec_state.frame().evaluate("i").value(); | |
57 } | |
58 }; | |
59 | |
60 // Add the debug event listener. | |
61 Debug.setListener(listener); | |
62 result = -1; | |
63 f(); | |
64 assertEquals(1, result); | |
65 | |
66 // Clear breakpoint. | |
67 Debug.clearBreakPoint(bp); | |
68 // Get rid of the debug event listener. | |
69 Debug.setListener(null); | |
70 | |
71 | |
72 function f1() { | |
73 { | |
74 let i = 1; | |
75 debugger; | |
76 assertEquals(2, i); | |
77 } | |
78 } | |
79 | |
80 function f2() { | |
81 { | |
82 let i = 1; | |
83 debugger; | |
84 assertEquals(2, i); | |
85 return function() { return i++; } | |
86 } | |
87 } | |
88 | |
89 var exception; | |
90 Debug.setListener(function (event, exec_state, event_data, data) { | |
91 try { | |
92 if (event == Debug.DebugEvent.Break) { | |
93 var frame = exec_state.frame(); | |
94 assertEquals(1, frame.evaluate("i").value()); | |
95 var allScopes = frame.allScopes(); | |
96 assertEquals(1, allScopes[0].scopeObject().value().i); | |
97 allScopes[0].setVariableValue("i", 2); | |
98 } | |
99 } catch (e) { | |
100 exception = e; | |
101 } | |
102 }); | |
103 | |
104 exception = null; | |
105 f1(); | |
106 assertEquals(null, exception, exception); | |
107 exception = null; | |
108 f2(); | |
109 assertEquals(null, exception, exception); | |
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