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Diffstat (limited to 'deps/v8/test/mjsunit/debug-step-4-in-frame.js')
-rw-r--r-- | deps/v8/test/mjsunit/debug-step-4-in-frame.js | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/debug-step-4-in-frame.js b/deps/v8/test/mjsunit/debug-step-4-in-frame.js new file mode 100644 index 000000000..65ac4902d --- /dev/null +++ b/deps/v8/test/mjsunit/debug-step-4-in-frame.js @@ -0,0 +1,132 @@ +// 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 +// Get the Debug object exposed from the debug context global object. +Debug = debug.Debug + +// Tests how debugger can step over not necessarily in the top frame. + +// Simple 3 functions, that protocol their execution state in global +// variable state. +var state; + +function f() { + var a = 1978; + for (state[2] = 0; state[2] < 5; state[2]++) { + void String(a); + } +} +function g() { + for (state[1] = 0; state[1] < 5; state[1]++) { + f(); + } +} +function h() { + state = [-1, -1, -1]; + for (state[0] = 0; state[0] < 5; state[0]++) { + g(); + } +} + +function TestCase(frame_index, step_count, expected_final_state) { + print("Test case, parameters " + frame_index + "/" + step_count); + + var listener_exception = null; + var state_snapshot; + var listener_state; + var bp; + + function listener(event, exec_state, event_data, data) { + print("Here ("+event+"/"+listener_state+"): " + + exec_state.frame(0).sourceLineText()); + try { + if (event == Debug.DebugEvent.Break) { + if (listener_state == 0) { + Debug.clearBreakPoint(bp); + var context_frame; + if (frame_index !== undefined) { + context_frame = exec_state.frame(frame_index); + } + exec_state.prepareStep(Debug.StepAction.StepNext, + step_count, context_frame); + listener_state = 1; + } else if (listener_state == 1) { + state_snapshot = String(state); + print("State: " + state_snapshot); + Debug.setListener(null); + listener_state = 2; + } + } + } catch (e) { + listener_exception = e; + } + } + + + // Add the debug event listener. + listener_state = 0; + Debug.setListener(listener); + bp = Debug.setBreakPoint(f, 1); + + h(); + Debug.setListener(null); + if (listener_exception !== null) { + print("Exception caught: " + listener_exception); + assertUnreachable(); + } + + assertEquals(expected_final_state, state_snapshot); +} + + +// Warm-up -- make sure all is compiled and ready for breakpoint. +h(); + + +// Stepping in the default (top) frame. +TestCase(undefined, 0, "0,0,-1"); +TestCase(undefined, 1, "0,0,-1"); +TestCase(undefined, 2, "0,0,0"); +TestCase(undefined, 5, "0,0,1"); +TestCase(undefined, 8, "0,0,3"); + +// Stepping in the frame #0 (should be exactly the same as above). +TestCase(0, 0, "0,0,-1"); +TestCase(0, 1, "0,0,-1"); +TestCase(0, 2, "0,0,0"); +TestCase(0, 5, "0,0,1"); +TestCase(0, 8, "0,0,3"); + +// Stepping in the frame #1. +TestCase(1, 0, "0,0,5"); +TestCase(1, 3, "0,1,5"); +TestCase(1, 8, "0,4,5"); + +// Stepping in the frame #2. +TestCase(2, 3, "1,5,5"); +TestCase(2, 8, "4,5,5"); |