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
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.
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.
28 // Flags: --expose-debug-as debug
29 // Get the Debug object exposed from the debug context global object.
32 // Simple debug event handler which just counts the number of break points hit.
33 var break_point_hit_count = 0;
35 function listener(event, exec_state, event_data, data) {
36 if (event == Debug.DebugEvent.Break) {
37 break_point_hit_count++;
41 // Add the debug event listener.
42 Debug.setListener(listener);
46 "function outer() {\n" + // Non-trivial outer closure.
49 " var foo = 0, y = 7;\n" +
51 " var bar = 0, baz = 0, z = 11;\n" +
53 " return x + y + z;\n" + // Breakpoint line ( #8 )
64 var script = Debug.findScript(outer);
66 // The debugger triggers compilation of inner closures.
67 assertEquals(0, Debug.scriptBreakPoints().length);
68 var sbp = Debug.setScriptBreakPointById(script.id, 8);
69 assertEquals(1, Debug.scriptBreakPoints().length);
71 // The compiled outer closure should behave correctly.
72 assertEquals(23, outer());
73 assertEquals(1, break_point_hit_count);
75 // The compiled inner closure should behave correctly.
76 assertEquals(23, inner());
77 assertEquals(2, break_point_hit_count);
79 // Remove script break point.
80 assertEquals(1, Debug.scriptBreakPoints().length);
81 Debug.clearBreakPoint(sbp);
82 assertEquals(0, Debug.scriptBreakPoints().length);