def setUp(self):
        # Call super's setUp().
        TestBase.setUp(self)
        self.child = None
        self.child_prompt = '(lldb) '
        self.strict_sources = False

        # Source filename.
        self.source = 'main.m'

        # Output filename.
        self.exe_name = self.getBuildArtifact("a.out")
        self.d = {'OBJC_SOURCES': self.source, 'EXE': self.exe_name}

        # Locate breakpoint.
        self.line = line_number(self.source, '// break here')