TestBreakpointHitCount.py
4.72 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
"""
Test breakpoint hit count features.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class BreakpointHitCountTestCase(TestBase):
NO_DEBUG_INFO_TESTCASE = True
mydir = TestBase.compute_mydir(__file__)
@add_test_categories(['pyapi'])
def test_breakpoint_location_hit_count(self):
"""Use Python APIs to check breakpoint hit count."""
self.build()
self.do_test_breakpoint_location_hit_count()
def test_breakpoint_one_shot(self):
"""Check that one-shot breakpoints trigger only once."""
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.runCmd("tb a")
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
from lldbsuite.test.lldbutil import get_stopped_thread
thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(
thread.IsValid(),
"There should be a thread stopped due to breakpoint")
frame0 = thread.GetFrameAtIndex(0)
self.assertTrue(frame0.GetFunctionName() == "a(int)" or frame0.GetFunctionName() == "int a(int)");
process.Continue()
self.assertEqual(process.GetState(), lldb.eStateExited)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
self.a_int_body_line_no = line_number(
'main.cpp', '// Breakpoint Location 1')
self.a_float_body_line_no = line_number(
'main.cpp', '// Breakpoint Location 2')
def do_test_breakpoint_location_hit_count(self):
"""Use Python APIs to check breakpoint hit count."""
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Create a breakpoint in main.cpp by name 'a',
# there should be two locations.
breakpoint = target.BreakpointCreateByName('a', 'a.out')
self.assertTrue(breakpoint and
breakpoint.GetNumLocations() == 2,
VALID_BREAKPOINT)
# Verify all breakpoint locations are enabled.
location1 = breakpoint.GetLocationAtIndex(0)
self.assertTrue(location1 and
location1.IsEnabled(),
VALID_BREAKPOINT_LOCATION)
location2 = breakpoint.GetLocationAtIndex(1)
self.assertTrue(location2 and
location2.IsEnabled(),
VALID_BREAKPOINT_LOCATION)
# Launch the process, and do not stop at entry point.
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# Verify 1st breakpoint location is hit.
from lldbsuite.test.lldbutil import get_stopped_thread
thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(
thread.IsValid(),
"There should be a thread stopped due to breakpoint")
frame0 = thread.GetFrameAtIndex(0)
location1 = breakpoint.FindLocationByAddress(frame0.GetPC())
self.assertTrue(
frame0.GetLineEntry().GetLine() == self.a_int_body_line_no,
"Stopped in int a(int)")
self.assertTrue(location1)
self.assertEqual(location1.GetHitCount(), 1)
self.assertEqual(breakpoint.GetHitCount(), 1)
process.Continue()
# Verify 2nd breakpoint location is hit.
thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(
thread.IsValid(),
"There should be a thread stopped due to breakpoint")
frame0 = thread.GetFrameAtIndex(0)
location2 = breakpoint.FindLocationByAddress(frame0.GetPC())
self.assertTrue(
frame0.GetLineEntry().GetLine() == self.a_float_body_line_no,
"Stopped in float a(float)")
self.assertTrue(location2)
self.assertEqual(location2.GetHitCount(), 1)
self.assertEqual(location1.GetHitCount(), 1)
self.assertEqual(breakpoint.GetHitCount(), 2)
process.Continue()
# Verify 2nd breakpoint location is hit again.
thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(
thread.IsValid(),
"There should be a thread stopped due to breakpoint")
self.assertEqual(location2.GetHitCount(), 2)
self.assertEqual(location1.GetHitCount(), 1)
self.assertEqual(breakpoint.GetHitCount(), 3)
process.Continue()