TestFunctionTypes.py revision 4f995f0718299696719089084a622835b6a7b4b8 
1"""Test variable with function ptr type and that break on the function works."""
2
3import os, time
4import unittest2
5import lldb
6from lldbtest import *
7
8class TestFunctionTypes(TestBase):
9
10    mydir = "function_types"
11
12    def test_function_types(self):
13        """Test 'callback' has function ptr type, then break on the function."""
14        exe = os.path.join(os.getcwd(), "a.out")
15        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
16
17        # Break inside the main.
18        self.expect("breakpoint set -f main.c -l 21", BREAKPOINT_CREATED,
19            startstr = "Breakpoint created: 1: file ='main.c', line = 21, locations = 1")
20
21        self.runCmd("run", RUN_STOPPED)
22
23        # The stop reason of the thread should be breakpoint.
24        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
25            substrs = ['state is Stopped',
26                       'stop reason = breakpoint'])
27
28        # The breakpoint should have a hit count of 1.
29        self.expect("breakpoint list", BREAKPOINT_HIT_ONCE,
30            substrs = [' resolved, hit count = 1'])
31
32        # Check that the 'callback' variable display properly.
33        self.expect("variable list callback", VARIABLES_DISPLAYED_CORRECTLY,
34            startstr = '(int (*)(char const *)) callback =')
35
36        # And that we can break on the callback function.
37        self.runCmd("breakpoint set -n string_not_empty", BREAKPOINT_CREATED)
38        self.runCmd("continue")
39
40        # Check that we do indeed stop on the string_not_empty function.
41        self.expect("process status", STOPPED_DUE_TO_BREAKPOINT,
42            substrs = ['where = a.out`string_not_empty',
43                       'main.c:12',
44                       'stop reason = breakpoint'])
45
46
47if __name__ == '__main__':
48    import atexit
49    lldb.SBDebugger.Initialize()
50    atexit.register(lambda: lldb.SBDebugger.Terminate())
51    unittest2.main()
52