1 // Copyright 2008 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.
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9 // copyright notice, this list of conditions and the following
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11 // with the distribution.
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28 // Flags: --expose-debug-as debug
29 // The functions used for testing backtraces. They are at the top to make the
30 // testing of source line/column easier.
40 // Get the Debug object exposed from the debug context global object.
43 listenerCallCount = 0;
44 listenerExceptions = [];
47 function listener(event, exec_state, event_data, data) {
49 if (event == Debug.DebugEvent.Break)
53 // Check that mirror cache is cleared when entering debugger.
54 assertEquals(0, debug.next_handle_, "Mirror cache not cleared");
55 assertEquals(0, debug.mirror_cache_.length, "Mirror cache not cleared");
57 // Get the debug command processor in paused state.
58 var dcp = exec_state.debugCommandProcessor(false);
60 // Make a backtrace request to create some mirrors.
62 json = '{"seq":0,"type":"request","command":"backtrace"}'
63 dcp.processDebugJSONRequest(json);
65 // Make sure looking up loaded scripts does not clear the cache.
68 // Some mirrors where cached.
69 assertFalse(debug.next_handle_ == 0, "Mirror cache not used");
70 assertFalse(debug.mirror_cache_.length == 0, "Mirror cache not used");
74 listenerExceptions.push(e);
78 // Add the debug event listener.
79 Debug.setListener(listener);
81 // Enter the debugger twice.
85 assertEquals([], listenerExceptions, "Exception in listener");
86 // Make sure that the debug event listener vas invoked.
87 assertEquals(2, listenerCallCount, "Listener not called");