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Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/breakpoint/step_over_breakpoint/TestStepOverBreakpoint.py')
-rw-r--r-- | packages/Python/lldbsuite/test/functionalities/breakpoint/step_over_breakpoint/TestStepOverBreakpoint.py | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/breakpoint/step_over_breakpoint/TestStepOverBreakpoint.py b/packages/Python/lldbsuite/test/functionalities/breakpoint/step_over_breakpoint/TestStepOverBreakpoint.py new file mode 100644 index 000000000000..00ddc628607c --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/breakpoint/step_over_breakpoint/TestStepOverBreakpoint.py @@ -0,0 +1,120 @@ +""" +Test that breakpoints do not affect stepping. +Check for correct StopReason when stepping to the line with breakpoint +which chould be eStopReasonBreakpoint in general, +and eStopReasonPlanComplete when breakpoint's condition fails. +""" + +from __future__ import print_function + +import unittest2 +import lldb +from lldbsuite.test.decorators import * +from lldbsuite.test.lldbtest import * +from lldbsuite.test import lldbutil + +class StepOverBreakpointsTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + TestBase.setUp(self) + + self.build() + exe = os.path.join(os.getcwd(), "a.out") + src = lldb.SBFileSpec("main.cpp") + + # Create a target by the debugger. + self.target = self.dbg.CreateTarget(exe) + self.assertTrue(self.target, VALID_TARGET) + + # Setup four breakpoints, two of them with false condition + self.line1 = line_number('main.cpp', "breakpoint_1") + self.line4 = line_number('main.cpp', "breakpoint_4") + + self.breakpoint1 = self.target.BreakpointCreateByLocation(src, self.line1) + self.assertTrue( + self.breakpoint1 and self.breakpoint1.GetNumLocations() == 1, + VALID_BREAKPOINT) + + self.breakpoint2 = self.target.BreakpointCreateBySourceRegex("breakpoint_2", src) + self.breakpoint2.GetLocationAtIndex(0).SetCondition('false') + + self.breakpoint3 = self.target.BreakpointCreateBySourceRegex("breakpoint_3", src) + self.breakpoint3.GetLocationAtIndex(0).SetCondition('false') + + self.breakpoint4 = self.target.BreakpointCreateByLocation(src, self.line4) + + # Start debugging + self.process = self.target.LaunchSimple( + None, None, self.get_process_working_directory()) + self.assertIsNotNone(self.process, PROCESS_IS_VALID) + self.thread = lldbutil.get_one_thread_stopped_at_breakpoint(self.process, self.breakpoint1) + self.assertIsNotNone(self.thread, "Didn't stop at breakpoint 1.") + + def test_step_instruction(self): + # Count instructions between breakpoint_1 and breakpoint_4 + contextList = self.target.FindFunctions('main', lldb.eFunctionNameTypeAuto) + self.assertEquals(contextList.GetSize(), 1) + symbolContext = contextList.GetContextAtIndex(0) + function = symbolContext.GetFunction() + self.assertTrue(function) + instructions = function.GetInstructions(self.target) + addr_1 = self.breakpoint1.GetLocationAtIndex(0).GetAddress() + addr_4 = self.breakpoint4.GetLocationAtIndex(0).GetAddress() + for i in range(instructions.GetSize()) : + addr = instructions.GetInstructionAtIndex(i).GetAddress() + if (addr == addr_1) : index_1 = i + if (addr == addr_4) : index_4 = i + + steps_expected = index_4 - index_1 + step_count = 0 + # Step from breakpoint_1 to breakpoint_4 + while True: + self.thread.StepInstruction(True) + step_count = step_count + 1 + self.assertEquals(self.process.GetState(), lldb.eStateStopped) + self.assertTrue(self.thread.GetStopReason() == lldb.eStopReasonPlanComplete or + self.thread.GetStopReason() == lldb.eStopReasonBreakpoint) + if (self.thread.GetStopReason() == lldb.eStopReasonBreakpoint) : + # we should not stop on breakpoint_2 and _3 because they have false condition + self.assertEquals(self.thread.GetFrameAtIndex(0).GetLineEntry().GetLine(), self.line4) + # breakpoint_2 and _3 should not affect step count + self.assertTrue(step_count >= steps_expected) + break + + # Run the process until termination + self.process.Continue() + self.assertEquals(self.process.GetState(), lldb.eStateExited) + + @skipIf(bugnumber="llvm.org/pr31972", hostoslist=["windows"]) + def test_step_over(self): + #lldb.DBG.EnableLog("lldb", ["step","breakpoint"]) + + self.thread.StepOver() + # We should be stopped at the breakpoint_2 line with stop plan complete reason + self.assertEquals(self.process.GetState(), lldb.eStateStopped) + self.assertEquals(self.thread.GetStopReason(), lldb.eStopReasonPlanComplete) + + self.thread.StepOver() + # We should be stopped at the breakpoint_3 line with stop plan complete reason + self.assertEquals(self.process.GetState(), lldb.eStateStopped) + self.assertEquals(self.thread.GetStopReason(), lldb.eStopReasonPlanComplete) + + self.thread.StepOver() + # We should be stopped at the breakpoint_4 + self.assertEquals(self.process.GetState(), lldb.eStateStopped) + self.assertEquals(self.thread.GetStopReason(), lldb.eStopReasonBreakpoint) + thread1 = lldbutil.get_one_thread_stopped_at_breakpoint(self.process, self.breakpoint4) + self.assertEquals(self.thread, thread1, "Didn't stop at breakpoint 4.") + + # Check that stepping does not affect breakpoint's hit count + self.assertEquals(self.breakpoint1.GetHitCount(), 1) + self.assertEquals(self.breakpoint2.GetHitCount(), 0) + self.assertEquals(self.breakpoint3.GetHitCount(), 0) + self.assertEquals(self.breakpoint4.GetHitCount(), 1) + + # Run the process until termination + self.process.Continue() + self.assertEquals(self.process.GetState(), lldb.eStateExited) + |