def testDoNothingIfV8InTopFrames(self):
"""Tests that filter does nothing if there is v8 frame in top frames."""
frame_list = [
StackFrame(0, 'src/v8', 'func', 'a.cc', 'a.cc', [1]),
StackFrame(1, 'src', 'func', 'b.cc', 'b.cc', [1]),
StackFrame(2, 'src', 'func', 'c.cc', 'c.cc', [2, 3]),
StackFrame(3, 'src/v8', 'func', 'd.cc', 'd.cc', [1]),
]
stack_buffer = CallStackBuffer(0, frame_list=frame_list)
self._VerifyTwoCallStacksEqual(
callstack_filters.FilterV8FramesIfV8NotInTopFrames(2)(
stack_buffer), stack_buffer)
def testFilterV8FrameIfV8notInTopFrames(self):
"""Tests filtering all v8 frames when condition met.
If there is no v8 frame in top n frames, the crash should not be caused by
v8 cls, filter all the remaining v8 frames in the stack."""
frame_list = [
StackFrame(0, 'src', 'func', 'a.cc', 'a.cc', [1]),
StackFrame(1, 'src', 'func', 'b.cc', 'b.cc', [1]),
StackFrame(2, 'src', 'func', 'c.cc', 'c.cc', [2, 3]),
StackFrame(3, 'src/v8', 'func', 'd.cc', 'd.cc', [1]),
]
stack_buffer = CallStackBuffer(0, frame_list=frame_list)
expected_stack_buffer = CallStackBuffer(0, frame_list=frame_list[:3])
self._VerifyTwoCallStacksEqual(
callstack_filters.FilterV8FramesIfV8NotInTopFrames(2)(
stack_buffer), expected_stack_buffer)
def testDoNothingForEmptyStackBuffer(self):
"""Tests that filter does nothing for empty stack buffer."""
stack_buffer = CallStackBuffer(0, frame_list=[])
self._VerifyTwoCallStacksEqual(
callstack_filters.FilterV8FramesIfV8NotInTopFrames(2)(
stack_buffer), stack_buffer)