diff options
Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/debug-liveedit-restart-frame.js')
-rw-r--r-- | src/3rdparty/v8/test/mjsunit/debug-liveedit-restart-frame.js | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/debug-liveedit-restart-frame.js b/src/3rdparty/v8/test/mjsunit/debug-liveedit-restart-frame.js new file mode 100644 index 0000000..d978a97 --- /dev/null +++ b/src/3rdparty/v8/test/mjsunit/debug-liveedit-restart-frame.js @@ -0,0 +1,153 @@ +// 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 + +function FindCallFrame(exec_state, frame_code) { + var number = Number(frame_code); + if (number >= 0) { + return exec_state.frame(number); + } else { + for (var i = 0; i < exec_state.frameCount(); i++) { + var frame = exec_state.frame(i); + var func_mirror = frame.func(); + if (frame_code == func_mirror.name()) { + return frame; + } + } + } + throw new Error("Failed to find function name " + function_name); +} + +function TestCase(test_scenario, expected_output) { + // Global variable, accessed from eval'd script. + test_output = ""; + + function TestCode() { + function A() { + // Extra stack variable. To make function not slim. + // Restarter doesn't work on slim function when stopped on 'debugger' + // statement. (There is no padding for 'debugger' statement). + var o = {}; + test_output += 'A'; + test_output += '='; + debugger; + return 'Capybara'; + } + function B(p1, p2) { + test_output += 'B'; + return A(); + } + function C() { + test_output += 'C'; + // Function call with argument adaptor is intentional. + return B(); + } + function D() { + test_output += 'D'; + // Function call with argument adaptor is intentional. + return C(1, 2); + } + function E() { + test_output += 'E'; + return D(); + } + function F() { + test_output += 'F'; + return E(); + } + return F(); + } + + var scenario_pos = 0; + + function DebuggerStatementHandler(exec_state) { + while (true) { + assertTrue(scenario_pos < test_scenario.length); + var change_code = test_scenario[scenario_pos++]; + if (change_code == '=') { + // Continue. + return; + } + var frame = FindCallFrame(exec_state, change_code); + // Throws if fails. + Debug.LiveEdit.RestartFrame(frame); + } + } + + var saved_exception = null; + + function listener(event, exec_state, event_data, data) { + if (saved_exception != null) { + return; + } + if (event == Debug.DebugEvent.Break) { + try { + DebuggerStatementHandler(exec_state); + } catch (e) { + saved_exception = e; + } + } else { + print("Other: " + event); + } + } + + Debug.setListener(listener); + assertEquals("Capybara", TestCode()); + Debug.setListener(null); + + if (saved_exception) { + print("Exception: " + saved_exception); + print("Stack: " + saved_exception.stack); + assertUnreachable(); + } + + print(test_output); + + assertEquals(expected_output, test_output); +} + +TestCase('0==', "FEDCBA=A="); +TestCase('1==', "FEDCBA=BA="); +TestCase('2==', "FEDCBA=CBA="); +TestCase('3==', "FEDCBA=DCBA="); +TestCase('4==', "FEDCBA=EDCBA="); +TestCase('5==', "FEDCBA=FEDCBA="); + +TestCase('=', "FEDCBA="); + +TestCase('C==', "FEDCBA=CBA="); + +TestCase('B=C=A=D==', "FEDCBA=BA=CBA=A=DCBA="); + +// Successive restarts don't work now and require additional fix. +//TestCase('BCDE==', "FEDCBA=EDCBA="); +//TestCase('BC=BCDE==', "FEDCBA=CBA=EDCBA="); +//TestCase('EF==', "FEDCBA=FEDCBA="); |