| """ |
| Test breakpoint hit count features. |
| """ |
| |
| from __future__ import print_function |
| |
| 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() |