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"""
Test that step-inst over a crash behaves correctly.
"""
import os
import unittest2
import lldb
from lldbtest import *
import lldbutil
class CreateDuringStepTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@dsym_test
def test_step_inst_with_dsym(self):
"""Test thread creation during step-inst handling."""
self.buildDsym(dictionary=self.getBuildFlags())
self.crash_during_step_inst_test()
@dwarf_test
@expectedFailureWindows("llvm.org/pr24778")
@expectedFailureAndroid("llvm.org/pr24497", archs=['arm', 'aarch64'])
def test_step_inst_with_dwarf(self):
"""Test thread creation during step-inst handling."""
self.buildDwarf(dictionary=self.getBuildFlags())
self.crash_during_step_inst_test()
def setUp(self):
TestBase.setUp(self)
self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
def crash_during_step_inst_test(self):
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target and target.IsValid(), "Target is valid")
self.bp_num = lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.breakpoint, num_expected_locations=1)
# Run the program.
process = target.LaunchSimple(None, None, self.get_process_working_directory())
self.assertTrue(process and process.IsValid(), PROCESS_IS_VALID)
# The stop reason should be breakpoint.
self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
self.assertEqual(lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint).IsValid(), 1,
STOPPED_DUE_TO_BREAKPOINT)
thread = process.GetThreadAtIndex(0)
self.assertTrue(thread and thread.IsValid(), "Thread is valid")
# Keep stepping until the inferior crashes
while process.GetState() == lldb.eStateStopped and not lldbutil.is_thread_crashed(self, thread):
thread.StepInstruction(False)
self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
self.assertTrue(lldbutil.is_thread_crashed(self, thread), "Thread has crashed")
process.Kill()
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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