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therubyracer/ext/v8/upstream/2.0.6/test/mjsunit/debug-mirror-cache.js
Charles Lowell 205c52c5bf import v8 source
move v8 src to google dir

moving v8 source into main extension

move google upstream source dir into v8 ext dir

include v8 library in generated bundle

prep for 0.4.7

roll the upstream build into the main extension build

Documentation was confusing the gem packager.

simplify build instructions with bundled v8.

Only install scons and build v8 if it has not been built already.

Missing CVS.py from the scons library due to ignore patterns.

Don't need libv8 anymore, only python 2.5 which is required to build it.
2010-02-04 13:41:54 -06:00

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JavaScript

// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --expose-debug-as debug
// The functions used for testing backtraces. They are at the top to make the
// testing of source line/column easier.
function f(x, y) {
a=1;
};
function g() {
new f(1);
};
// Get the Debug object exposed from the debug context global object.
Debug = debug.Debug
listenerCallCount = 0;
listenerExceptions = [];
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break)
{
listenerCallCount++;
// Check that mirror cache is cleared when entering debugger.
assertEquals(0, debug.next_handle_, "Mirror cache not cleared");
assertEquals(0, debug.mirror_cache_.length, "Mirror cache not cleared");
// Get the debug command processor in paused state.
var dcp = exec_state.debugCommandProcessor(false);
// Make a backtrace request to create some mirrors.
var json;
json = '{"seq":0,"type":"request","command":"backtrace"}'
dcp.processDebugJSONRequest(json);
// Some mirrors where cached.
assertFalse(debug.next_handle_ == 0, "Mirror cache not used");
assertFalse(debug.mirror_cache_.length == 0, "Mirror cache not used");
}
} catch (e) {
print(e);
listenerExceptions.push(e);
};
};
// Add the debug event listener.
Debug.setListener(listener);
// Enter the debugger twice.
debugger;
debugger;
assertEquals([], listenerExceptions, "Exception in listener");
// Make sure that the debug event listener vas invoked.
assertEquals(2, listenerCallCount, "Listener not called");