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"""
Test lldb target stop-hook command.
"""
import os
import unittest2
import lldb
import pexpect
from lldbtest import *
class StopHookCmdTestCase(TestBase):
mydir = "stop-hook"
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
def test_with_dsym(self):
"""Test a sequence of target add-hook commands."""
self.buildDsym()
self.stop_hook_cmd_sequence()
def test_with_dwarf(self):
"""Test a sequence of target add-hook commands."""
self.buildDwarf()
self.stop_hook_cmd_sequence()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers inside main.cpp.
self.begl = line_number('main.cpp', '// Set breakpoint here to test target stop-hook.')
self.endl = line_number('main.cpp', '// End of the line range for which stop-hook is to be run.')
self.line = line_number('main.cpp', '// Another breakpoint which is outside of the stop-hook range.')
def stop_hook_cmd_sequence(self):
"""Test a sequence of target stop-hook commands."""
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
self.expect('breakpoint set -f main.cpp -l %d' % self.begl,
BREAKPOINT_CREATED,
startstr = "Breakpoint created: 1: file ='main.cpp', line = %d" %
self.begl)
self.expect('breakpoint set -f main.cpp -l %d' % self.line,
BREAKPOINT_CREATED,
startstr = "Breakpoint created: 2: file ='main.cpp', line = %d" %
self.line)
self.runCmd("target stop-hook add -f main.cpp -l %d -e %d -o 'expr ptr'" % (self.begl, self.endl))
self.runCmd('target stop-hook list')
# Now run the program, expect to stop at the the first breakpoint which is within the stop-hook range.
#self.expect('run', 'Stop hook fired',
# substrs = '** Stop Hooks **')
self.runCmd('run')
self.runCmd('thread step-over')
self.expect('thread step-over', 'Stop hook fired again',
substrs = '** Stop Hooks **')
# Now continue the inferior, we'll stop at another breakpoint which is outside the stop-hook range.
self.runCmd('process continue')
# Verify that the 'Stop Hooks' mechanism is NOT BEING fired off.
self.expect('thread step-over', 'Stop hook should not be fired', matching=False,
substrs = '** Stop Hooks **')
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()