1""" 2Test breakpoint hit count features. 3""" 4 5 6import lldb 7from lldbsuite.test.decorators import * 8from lldbsuite.test.lldbtest import * 9from lldbsuite.test import lldbutil 10 11 12class BreakpointHitCountTestCase(TestBase): 13 14 NO_DEBUG_INFO_TESTCASE = True 15 16 mydir = TestBase.compute_mydir(__file__) 17 18 @add_test_categories(['pyapi']) 19 def test_breakpoint_location_hit_count(self): 20 """Use Python APIs to check breakpoint hit count.""" 21 self.build() 22 self.do_test_breakpoint_location_hit_count() 23 24 def test_breakpoint_one_shot(self): 25 """Check that one-shot breakpoints trigger only once.""" 26 self.build() 27 28 exe = self.getBuildArtifact("a.out") 29 target = self.dbg.CreateTarget(exe) 30 self.assertTrue(target, VALID_TARGET) 31 32 self.runCmd("tb a") 33 process = target.LaunchSimple( 34 None, None, self.get_process_working_directory()) 35 self.assertTrue(process, PROCESS_IS_VALID) 36 37 from lldbsuite.test.lldbutil import get_stopped_thread 38 thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint) 39 self.assertTrue( 40 thread.IsValid(), 41 "There should be a thread stopped due to breakpoint") 42 43 frame0 = thread.GetFrameAtIndex(0) 44 self.assertTrue(frame0.GetFunctionName() == "a(int)" or frame0.GetFunctionName() == "int a(int)"); 45 46 process.Continue() 47 self.assertEqual(process.GetState(), lldb.eStateExited) 48 49 def setUp(self): 50 # Call super's setUp(). 51 TestBase.setUp(self) 52 self.a_int_body_line_no = line_number( 53 'main.cpp', '// Breakpoint Location 1') 54 self.a_float_body_line_no = line_number( 55 'main.cpp', '// Breakpoint Location 2') 56 57 def do_test_breakpoint_location_hit_count(self): 58 """Use Python APIs to check breakpoint hit count.""" 59 exe = self.getBuildArtifact("a.out") 60 61 target = self.dbg.CreateTarget(exe) 62 self.assertTrue(target, VALID_TARGET) 63 64 # Create a breakpoint in main.cpp by name 'a', 65 # there should be two locations. 66 breakpoint = target.BreakpointCreateByName('a', 'a.out') 67 self.assertTrue(breakpoint and 68 breakpoint.GetNumLocations() == 2, 69 VALID_BREAKPOINT) 70 71 # Verify all breakpoint locations are enabled. 72 location1 = breakpoint.GetLocationAtIndex(0) 73 self.assertTrue(location1 and 74 location1.IsEnabled(), 75 VALID_BREAKPOINT_LOCATION) 76 77 location2 = breakpoint.GetLocationAtIndex(1) 78 self.assertTrue(location2 and 79 location2.IsEnabled(), 80 VALID_BREAKPOINT_LOCATION) 81 82 # Launch the process, and do not stop at entry point. 83 process = target.LaunchSimple( 84 None, None, self.get_process_working_directory()) 85 self.assertTrue(process, PROCESS_IS_VALID) 86 87 # Verify 1st breakpoint location is hit. 88 from lldbsuite.test.lldbutil import get_stopped_thread 89 thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint) 90 self.assertTrue( 91 thread.IsValid(), 92 "There should be a thread stopped due to breakpoint") 93 94 frame0 = thread.GetFrameAtIndex(0) 95 location1 = breakpoint.FindLocationByAddress(frame0.GetPC()) 96 self.assertTrue( 97 frame0.GetLineEntry().GetLine() == self.a_int_body_line_no, 98 "Stopped in int a(int)") 99 self.assertTrue(location1) 100 self.assertEqual(location1.GetHitCount(), 1) 101 self.assertEqual(breakpoint.GetHitCount(), 1) 102 103 process.Continue() 104 105 # Verify 2nd breakpoint location is hit. 106 thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint) 107 self.assertTrue( 108 thread.IsValid(), 109 "There should be a thread stopped due to breakpoint") 110 111 frame0 = thread.GetFrameAtIndex(0) 112 location2 = breakpoint.FindLocationByAddress(frame0.GetPC()) 113 self.assertTrue( 114 frame0.GetLineEntry().GetLine() == self.a_float_body_line_no, 115 "Stopped in float a(float)") 116 self.assertTrue(location2) 117 self.assertEqual(location2.GetHitCount(), 1) 118 self.assertEqual(location1.GetHitCount(), 1) 119 self.assertEqual(breakpoint.GetHitCount(), 2) 120 121 process.Continue() 122 123 # Verify 2nd breakpoint location is hit again. 124 thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint) 125 self.assertTrue( 126 thread.IsValid(), 127 "There should be a thread stopped due to breakpoint") 128 129 self.assertEqual(location2.GetHitCount(), 2) 130 self.assertEqual(location1.GetHitCount(), 1) 131 self.assertEqual(breakpoint.GetHitCount(), 3) 132 133 process.Continue() 134