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path: root/lldb/test/lang/c/strings/TestCStrings.py
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"""
Tests that C strings work as expected in expressions
"""

from lldbtest import *

class CStringsTestCase(TestBase):
    
    mydir = os.path.join("lang", "c", "strings")
    
    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
    def test_with_dsym_and_run_command(self):
        """Tests that C strings work as expected in expressions"""
        self.buildDsym()
        self.static_method_commands()

    def test_with_dwarf_and_run_command(self):
        """Tests that C strings work as expected in expressions"""
        self.buildDwarf()
        self.static_method_commands()

    def setUp(self):
        TestBase.setUp(self)
    
    def set_breakpoint(self, line):
        self.expect("breakpoint set -f main.c -l %d" % line,
                    BREAKPOINT_CREATED,
                    startstr = "Breakpoint created")
    
    def static_method_commands(self):
        """Tests that C strings work as expected in expressions"""
        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)

        self.set_breakpoint(line_number('main.c', '// breakpoint 1'))

        self.runCmd("process launch", RUN_SUCCEEDED)

        self.expect("expression -- a[2]",
                    patterns = ["\((const )?char\) \$0 = 'c'"])

        self.expect("expression -- z[2]",
                    startstr = "(const char) $1 = 'x'")

        self.expect("expression -- (int)strlen(\"hello\")",
                    startstr = "(int) $2 = 5")

        self.expect("expression -- \"world\"[2]",
                    startstr = "(const char) $3 = 'r'")

        self.expect("expression -- \"\"[0]",
                    startstr = "(const char) $4 = '\\0'")

if __name__ == '__main__':
    import atexit
    lldb.SBDebugger.Initialize()
    atexit.register(lambda: lldb.SBDebugger.Terminate())
    unittest2.main()
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