TestExprs.py revision ecd834d482ef001989d4ce60042e4d018a5ac569 
1"""
2Test many basic expression commands.
3"""
4
5import os, time
6import unittest2
7import lldb
8from lldbtest import *
9
10class BasicExprCommandsTestCase(TestBase):
11
12    mydir = os.path.join("expression_command", "test")
13
14    def setUp(self):
15        # Call super's setUp().
16        TestBase.setUp(self)
17        # Find the line number to break for main.c.
18        self.line = line_number('main.cpp',
19                                '// Please test many expressions while stopped at this line:')
20
21    def test_many_expr_commands(self):
22        """These basic expression commands should work as expected."""
23        self.buildDefault()
24
25        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
26
27        self.expect("breakpoint set -f main.cpp -l %d" % self.line,
28                    BREAKPOINT_CREATED,
29            startstr = "Breakpoint created: 1: file ='main.cpp', line = %d" %
30                        self.line)
31
32        self.runCmd("run", RUN_SUCCEEDED)
33
34        self.expect("expression 2",
35            patterns = ["\(int\) \$.* = 2"])
36        # (int) $0 = 1
37
38        self.expect("expression 2ull",
39            patterns = ["\(unsigned long long\) \$.* = 2"])
40        # (unsigned long long) $1 = 2
41
42        self.expect("expression 2.234f",
43            patterns = ["\(float\) \$.* = 2\.234"])
44        # (float) $2 = 2.234
45
46        self.expect("expression 2.234",
47            patterns = ["\(double\) \$.* = 2\.234"])
48        # (double) $3 = 2.234
49
50        self.expect("expression 2+3",
51            patterns = ["\(int\) \$.* = 5"])
52        # (int) $4 = 5
53
54        self.expect("expression argc",
55            patterns = ["\(int\) \$.* = 1"])
56        # (int) $5 = 1
57
58        self.expect("expression argc + 22",
59            patterns = ["\(int\) \$.* = 23"])
60        # (int) $6 = 23
61
62        self.expect("expression argv",
63            patterns = ["\(const char \*\*\) \$.* = 0x"])
64        # (const char *) $7 = ...
65
66        self.expect("expression argv[0]",
67            substrs = ["(const char *)",
68                       os.path.join(self.mydir, "a.out")])
69        # (const char *) $8 = 0x... "/Volumes/data/lldb/svn/trunk/test/expression_command/test/a.out"
70
71
72    @unittest2.expectedFailure
73    # rdar://problem/8686536
74    # CommandInterpreter::HandleCommand is stripping \'s from input for WantsRawCommand commands
75    def test_expr_commands_can_handle_quotes(self):
76        """Throw some expression commands with quotes at lldb."""
77        self.buildDefault()
78
79        self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
80
81        self.expect("breakpoint set -f main.cpp -l %d" % self.line,
82                    BREAKPOINT_CREATED,
83            startstr = "Breakpoint created: 1: file ='main.cpp', line = %d" %
84                        self.line)
85
86        self.runCmd("run", RUN_SUCCEEDED)
87
88        self.runCmd("expression 'a'")
89        self.runCmd('expression printf("\t\x68\n")')
90        self.runCmd('expression printf("\"\n")')
91        self.runCmd('expression printf("\'\n")')
92
93
94if __name__ == '__main__':
95    import atexit
96    lldb.SBDebugger.Initialize()
97    atexit.register(lambda: lldb.SBDebugger.Terminate())
98    unittest2.main()
99