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Diffstat (limited to 'deps/v8/test/mjsunit/debug-script-breakpoints-closure.js')
-rw-r--r-- | deps/v8/test/mjsunit/debug-script-breakpoints-closure.js | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/debug-script-breakpoints-closure.js b/deps/v8/test/mjsunit/debug-script-breakpoints-closure.js new file mode 100644 index 000000000..7c89718f0 --- /dev/null +++ b/deps/v8/test/mjsunit/debug-script-breakpoints-closure.js @@ -0,0 +1,67 @@ +// Copyright 2012 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 +// Get the Debug object exposed from the debug context global object. +Debug = debug.Debug + +// Simple debug event handler which just counts the number of break points hit. +var break_point_hit_count = 0; + +function listener(event, exec_state, event_data, data) { + if (event == Debug.DebugEvent.Break) { + break_point_hit_count++; + } +}; + +// Add the debug event listener. +Debug.setListener(listener); + +function makeClosure() { + var x; + return function() { + return x; // Breakpoint line ( #47 ) + }; +} + +// Create closure before break point is set. +var closure = makeClosure(); + +// The debugger triggers re-compilation. +assertEquals(0, Debug.scriptBreakPoints().length); +var scr = Debug.findScript(makeClosure); +var sbp = Debug.setScriptBreakPointById(scr.id, 47); +assertEquals(1, Debug.scriptBreakPoints().length); + +// Ensure the closure actually triggers a break point hit. +closure(); +assertEquals(1, break_point_hit_count); + +// Remove script break point. +assertEquals(1, Debug.scriptBreakPoints().length); +Debug.clearBreakPoint(sbp); +assertEquals(0, Debug.scriptBreakPoints().length); |