1"""
2Test the 'memory find' command.
3"""
4
5
6
7import lldb
8from lldbsuite.test.lldbtest import *
9import lldbsuite.test.lldbutil as lldbutil
10from lldbsuite.test.decorators import *
11
12
13class MemoryFindTestCase(TestBase):
14
15    def setUp(self):
16        # Call super's setUp().
17        TestBase.setUp(self)
18        # Find the line number to break inside main().
19        self.line = line_number('main.cpp', '// break here')
20
21    def test_memory_find(self):
22        """Test the 'memory find' command."""
23        self.build()
24        exe = self.getBuildArtifact("a.out")
25        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
26
27        # Break in main() after the variables are assigned values.
28        lldbutil.run_break_set_by_file_and_line(
29            self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
30
31        self.runCmd("run", RUN_SUCCEEDED)
32
33        # The stop reason of the thread should be breakpoint.
34        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
35                    substrs=['stopped', 'stop reason = breakpoint'])
36
37        # The breakpoint should have a hit count of 1.
38        lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
39
40        # Test the memory find commands.
41
42        # Empty search string should be handled.
43        self.expect('memory find -s "" `stringdata` `stringdata+16`',
44                error=True,
45                substrs=["error: search string must have non-zero length."])
46
47        self.expect(
48            'memory find -s "in const" `stringdata` `stringdata+(int)strlen(stringdata)`',
49            substrs=[
50                'data found at location: 0x',
51                '69 6e 20 63',
52                'in const'])
53
54        # Invalid expr is an error.
55        self.expect(
56            'memory find -e "not_a_symbol" `&bytedata[0]` `&bytedata[15]`',
57            error=True,
58            substrs=["error: expression evaluation failed. pass a string instead"])
59
60        self.expect(
61            'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[15]`',
62            substrs=[
63                'data found at location: 0x',
64                '22 33 44 55 66'])
65
66        self.expect(
67            'memory find -e "(uint8_t)0x22" `&bytedata[0]` `&bytedata[2]`',
68            substrs=['data not found within the range.'])
69
70        self.expect('memory find -s "nothere" `stringdata` `stringdata+5`',
71                    substrs=['data not found within the range.'])
72
73        self.expect('memory find -s "nothere" `stringdata` `stringdata+10`',
74                    substrs=['data not found within the range.'])
75