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| """
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()
|