85 lines · python
1"""2Test watchpoint condition API.3"""4 5import lldb6from lldbsuite.test.decorators import *7from lldbsuite.test.lldbtest import *8from lldbsuite.test import lldbutil9 10 11class WatchpointConditionAPITestCase(TestBase):12 NO_DEBUG_INFO_TESTCASE = True13 14 def setUp(self):15 # Call super's setUp().16 TestBase.setUp(self)17 # Our simple source filename.18 self.source = "main.cpp"19 # Find the line number to break inside main().20 self.line = line_number(self.source, "// Set break point at this line.")21 # And the watchpoint variable declaration line number.22 self.decl = line_number(self.source, "// Watchpoint variable declaration.")23 # Build dictionary to have unique executable names for each test24 # method.25 self.exe_name = self.testMethodName26 self.d = {"CXX_SOURCES": self.source, "EXE": self.exe_name}27 28 def test_watchpoint_cond_api(self):29 """Test watchpoint condition API."""30 self.build(dictionary=self.d)31 self.setTearDownCleanup(dictionary=self.d)32 exe = self.getBuildArtifact(self.exe_name)33 34 # Create a target by the debugger.35 target = self.dbg.CreateTarget(exe)36 self.assertTrue(target, VALID_TARGET)37 38 # Now create a breakpoint on main.c.39 breakpoint = target.BreakpointCreateByLocation(self.source, self.line)40 self.assertTrue(41 breakpoint and breakpoint.GetNumLocations() == 1, VALID_BREAKPOINT42 )43 44 # Now launch the process, and do not stop at the entry point.45 process = target.LaunchSimple(None, None, self.get_process_working_directory())46 47 # We should be stopped due to the breakpoint. Get frame #0.48 process = target.GetProcess()49 self.assertState(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)50 thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)51 frame0 = thread.GetFrameAtIndex(0)52 53 # Watch 'global' for write.54 value = frame0.FindValue("global", lldb.eValueTypeVariableGlobal)55 error = lldb.SBError()56 watchpoint = value.Watch(True, False, True, error)57 self.assertTrue(58 value and watchpoint, "Successfully found the variable and set a watchpoint"59 )60 self.DebugSBValue(value)61 62 # Now set the condition as "global==5".63 watchpoint.SetCondition("global==5")64 self.expect(watchpoint.GetCondition(), exe=False, startstr="global==5")65 66 # Hide stdout if not running with '-t' option.67 if not self.TraceOn():68 self.HideStdout()69 70 print(watchpoint)71 72 # Continue. Expect the program to stop due to the variable being73 # written to.74 process.Continue()75 76 if self.TraceOn():77 lldbutil.print_stacktraces(process)78 79 thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonWatchpoint)80 self.assertTrue(thread, "The thread stopped due to watchpoint")81 self.DebugSBValue(value)82 83 # Verify that the condition is met.84 self.assertEqual(value.GetValueAsUnsigned(), 5)85