1"""
2Test that lldb persistent types works correctly.
3"""
4
5import os, time
6import unittest2
7import lldb
8from lldbtest import *
9
10class PersistenttypesTestCase(TestBase):
11
12    mydir = os.path.join("expression_command", "persistent_types")
13
14    def test_persistent_types(self):
15        """Test that lldb persistent types works correctly."""
16        self.buildDefault()
17
18        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
19
20        self.runCmd("breakpoint set --name main")
21
22        self.runCmd("run", RUN_SUCCEEDED)
23
24        self.runCmd("expression struct $foo { int a; int b; };")
25
26        self.expect("expression struct $foo $my_foo; $my_foo.a = 2; $my_foo.b = 3;",
27                    startstr = "(int) $0 = 3")
28
29        self.expect("expression $my_foo",
30                    substrs = ['a = 2', 'b = 3'])
31
32        self.runCmd("expression typedef int $bar")
33
34        self.expect("expression $bar i = 5; i",
35                    startstr = "($bar) $1 = 5")
36
37        self.runCmd("expression struct $foobar { char a; char b; char c; char d; };")
38        self.runCmd("next")
39
40        self.expect("memory read foo -t $foobar",
41                    substrs = ['($foobar) 0x', ' = {', "a = 'H'","b = 'e'","c = 'l'","d = 'l'"]) # persistent types are OK to use for memory read
42
43        self.expect("memory read foo -t foobar",
44                    substrs = ['($foobar) 0x', ' = {', "a = 'H'","b = 'e'","c = 'l'","d = 'l'"],matching=False,error=True) # the type name is $foobar, make sure we settle for nothing less
45
46
47if __name__ == '__main__':
48    import atexit
49    lldb.SBDebugger.Initialize()
50    atexit.register(lambda: lldb.SBDebugger.Terminate())
51    unittest2.main()
52