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"""
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
@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()
target = self.createTestTarget()
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.assertState(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."""
target = self.createTestTarget()
# 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.assertEqual(
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.assertEqual(
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()
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