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"""
Verify that the hash computing logic for ValueObject's values can't crash us.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class ValueMD5CrashTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@dsym_test
def test_with_dsym_and_run_command(self):
"""Verify that the hash computing logic for ValueObject's values can't crash us."""
self.buildDsym()
self.doThings()
@dwarf_test
def test_with_dwarf_and_run_command(self):
"""Verify that the hash computing logic for ValueObject's values can't crash us."""
self.buildDwarf()
self.doThings()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break at.
self.line = line_number('main.cpp', '// break here')
def doThings(self):
"""Verify that the hash computing logic for ValueObject's values can't crash us."""
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_FAILED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
value = self.frame().FindVariable("a")
value.SetPreferDynamicValue(lldb.eDynamicCanRunTarget)
v = value.GetValue()
self.assertTrue(value.GetTypeName() == "B *", "a is a B*")
self.runCmd("next")
self.runCmd("process kill")
# now the process is dead, and value needs updating
v = value.GetValue()
# if we are here, instead of crashed, the test succeeded
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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