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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --expose-debug-as debug | 28 // Flags: --expose-debug-as debug |
29 // Get the Debug object exposed from the debug context global object. | 29 // Get the Debug object exposed from the debug context global object. |
30 Debug = debug.Debug | 30 Debug = debug.Debug |
31 | 31 |
32 var script_number = 0; | 32 // Simple debug event handler which just counts the number of break points hit. |
33 var script_names = []; | 33 var break_point_hit_count = 0; |
34 var exception = null; | |
35 | 34 |
36 function listener(event, exec_state, event_data, data) { | 35 function listener(event, exec_state, event_data, data) { |
37 if (event == Debug.DebugEvent.BeforeCompile) { | 36 if (event == Debug.DebugEvent.Break) { |
38 event_data.script().setSource(event_data.script().source() + | 37 break_point_hit_count++; |
39 " //@ sourceURL=proper_location_" + (++script_number)); | |
40 } else if (event == Debug.DebugEvent.AfterCompile) { | |
41 try { | |
42 event_data.script().setSource("a=1 //@ sourceURL=wrong_location"); | |
43 } catch(e) { | |
44 exception = e; | |
45 } | |
46 script_names.push(event_data.script().name()); | |
47 } | 38 } |
48 }; | 39 }; |
49 | 40 |
50 | |
51 // Add the debug event listener. | 41 // Add the debug event listener. |
52 Debug.setListener(listener); | 42 Debug.setListener(listener); |
53 | 43 |
54 // Compile different sources. | 44 function makeClosure() { |
55 eval('a=1'); | 45 var x; |
56 eval('(function(){})'); | 46 return function() { |
| 47 return x; // Breakpoint line ( #47 ) |
| 48 }; |
| 49 } |
57 | 50 |
58 assertEquals(2, script_names.length); | 51 // Create closure before break point is set. |
59 assertEquals("proper_location_1", script_names[0]); | 52 var closure = makeClosure(); |
60 assertEquals("proper_location_2", script_names[1]); | |
61 | 53 |
62 assertEquals("illegal access", exception); | 54 // The debugger triggers re-compilation. |
| 55 assertEquals(0, Debug.scriptBreakPoints().length); |
| 56 var scr = Debug.findScript(makeClosure); |
| 57 var sbp = Debug.setScriptBreakPointById(scr.id, 47); |
| 58 assertEquals(1, Debug.scriptBreakPoints().length); |
63 | 59 |
64 Debug.setListener(null); | 60 // Ensure the closure actually triggers a break point hit. |
| 61 closure(); |
| 62 assertEquals(1, break_point_hit_count); |
| 63 |
| 64 // Remove script break point. |
| 65 assertEquals(1, Debug.scriptBreakPoints().length); |
| 66 Debug.clearBreakPoint(sbp); |
| 67 assertEquals(0, Debug.scriptBreakPoints().length); |
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