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+// 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.
+
+Debug = debug.Debug
+
+// Make sure that the backtrace command can be processed when the receiver is
+// undefined.
+listenerCalled = false;
+exception = false;
+
+function listener(event, exec_state, event_data, data) {
+ try {
+ if (event == Debug.DebugEvent.Exception) {
+ // The expected backtrace is
+ // 1: g
+ // 0: [anonymous]
+
+ assertEquals(2, exec_state.frameCount());
+ assertEquals("g", exec_state.frame(0).func().name());
+ assertEquals("", exec_state.frame(1).func().name());
+
+ listenerCalled = true;
+ }
+ } catch (e) {
+ print(e);
+ exception = e
+ };
+};
+
+// Add the debug event listener.
+Debug.setListener(listener);
+
+// Call method on undefined.
+function g() {
+ (void 0).f();
+};
+
+// Break on the exception to do a backtrace with undefined as receiver.
+Debug.setBreakOnException(true);
+try {
+ g();
+} catch(e) {
+ // Ignore the exception "Cannot call method 'x' of undefined"
+}
+
+assertFalse(exception, "exception in listener", exception)
+// Make sure that the debug event listener vas invoked.
+assertTrue(listenerCalled, "listener not called");