134 lines
4.7 KiB
Python
134 lines
4.7 KiB
Python
"""
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Test breakpoint hit count features.
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"""
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class BreakpointHitCountTestCase(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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mydir = TestBase.compute_mydir(__file__)
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@add_test_categories(['pyapi'])
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def test_breakpoint_location_hit_count(self):
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"""Use Python APIs to check breakpoint hit count."""
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self.build()
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self.do_test_breakpoint_location_hit_count()
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def test_breakpoint_one_shot(self):
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"""Check that one-shot breakpoints trigger only once."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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self.runCmd("tb a")
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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from lldbsuite.test.lldbutil import get_stopped_thread
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thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint")
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frame0 = thread.GetFrameAtIndex(0)
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self.assertTrue(frame0.GetFunctionName() == "a(int)" or frame0.GetFunctionName() == "int a(int)");
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process.Continue()
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self.assertEqual(process.GetState(), lldb.eStateExited)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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self.a_int_body_line_no = line_number(
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'main.cpp', '// Breakpoint Location 1')
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self.a_float_body_line_no = line_number(
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'main.cpp', '// Breakpoint Location 2')
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def do_test_breakpoint_location_hit_count(self):
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"""Use Python APIs to check breakpoint hit count."""
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exe = self.getBuildArtifact("a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Create a breakpoint in main.cpp by name 'a',
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# there should be two locations.
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breakpoint = target.BreakpointCreateByName('a', 'a.out')
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self.assertTrue(breakpoint and
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breakpoint.GetNumLocations() == 2,
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VALID_BREAKPOINT)
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# Verify all breakpoint locations are enabled.
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location1 = breakpoint.GetLocationAtIndex(0)
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self.assertTrue(location1 and
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location1.IsEnabled(),
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VALID_BREAKPOINT_LOCATION)
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location2 = breakpoint.GetLocationAtIndex(1)
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self.assertTrue(location2 and
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location2.IsEnabled(),
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VALID_BREAKPOINT_LOCATION)
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# Launch the process, and do not stop at entry point.
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process = target.LaunchSimple(
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None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# Verify 1st breakpoint location is hit.
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from lldbsuite.test.lldbutil import get_stopped_thread
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thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint")
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frame0 = thread.GetFrameAtIndex(0)
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location1 = breakpoint.FindLocationByAddress(frame0.GetPC())
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self.assertTrue(
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frame0.GetLineEntry().GetLine() == self.a_int_body_line_no,
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"Stopped in int a(int)")
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self.assertTrue(location1)
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self.assertEqual(location1.GetHitCount(), 1)
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self.assertEqual(breakpoint.GetHitCount(), 1)
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process.Continue()
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# Verify 2nd breakpoint location is hit.
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thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint")
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frame0 = thread.GetFrameAtIndex(0)
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location2 = breakpoint.FindLocationByAddress(frame0.GetPC())
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self.assertTrue(
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frame0.GetLineEntry().GetLine() == self.a_float_body_line_no,
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"Stopped in float a(float)")
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self.assertTrue(location2)
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self.assertEqual(location2.GetHitCount(), 1)
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self.assertEqual(location1.GetHitCount(), 1)
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self.assertEqual(breakpoint.GetHitCount(), 2)
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process.Continue()
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# Verify 2nd breakpoint location is hit again.
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thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
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self.assertTrue(
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thread.IsValid(),
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"There should be a thread stopped due to breakpoint")
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self.assertEqual(location2.GetHitCount(), 2)
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self.assertEqual(location1.GetHitCount(), 1)
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self.assertEqual(breakpoint.GetHitCount(), 3)
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process.Continue()
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