""" Test breakpoint commands for a breakpoint ID with multiple locations. """ import lldb from lldbsuite.test.decorators import * from lldbsuite.test.lldbtest import * from lldbsuite.test import lldbutil class BreakpointLocationsTestCase(TestBase): mydir = TestBase.compute_mydir(__file__) @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24528") def test_enable(self): """Test breakpoint enable/disable for a breakpoint ID with multiple locations.""" self.build() self.breakpoint_locations_test() def test_shadowed_cond_options(self): """Test that options set on the breakpoint and location behave correctly.""" self.build() self.shadowed_bkpt_cond_test() def test_shadowed_command_options(self): """Test that options set on the breakpoint and location behave correctly.""" self.build() self.shadowed_bkpt_command_test() def setUp(self): # Call super's setUp(). TestBase.setUp(self) # Find the line number to break inside main(). self.line = line_number('main.c', '// Set break point at this line.') def set_breakpoint (self): exe = self.getBuildArtifact("a.out") target = self.dbg.CreateTarget(exe) self.assertTrue(target, "Target %s is not valid"%(exe)) # This should create a breakpoint with 3 locations. bkpt = target.BreakpointCreateByLocation("main.c", self.line) # The breakpoint list should show 3 locations. self.assertEqual(bkpt.GetNumLocations(), 3, "Wrong number of locations") self.expect( "breakpoint list -f", "Breakpoint locations shown correctly", substrs=[ "1: file = 'main.c', line = %d, exact_match = 0, locations = 3" % self.line], patterns=[ "where = a.out`func_inlined .+unresolved, hit count = 0", "where = a.out`main .+\[inlined\].+unresolved, hit count = 0"]) return bkpt def shadowed_bkpt_cond_test(self): """Test that options set on the breakpoint and location behave correctly.""" # Breakpoint option propagation from bkpt to loc used to be done the first time # a breakpoint location option was specifically set. After that the other options # on that location would stop tracking the breakpoint. That got fixed, and this test # makes sure only the option touched is affected. bkpt = self.set_breakpoint() bkpt_cond = "1 == 0" bkpt.SetCondition(bkpt_cond) self.assertEqual(bkpt.GetCondition(), bkpt_cond,"Successfully set condition") self.assertTrue(bkpt.location[0].GetCondition() == bkpt.GetCondition(), "Conditions are the same") # Now set a condition on the locations, make sure that this doesn't effect the bkpt: bkpt_loc_1_cond = "1 == 1" bkpt.location[0].SetCondition(bkpt_loc_1_cond) self.assertEqual(bkpt.location[0].GetCondition(), bkpt_loc_1_cond, "Successfully changed location condition") self.assertNotEqual(bkpt.GetCondition(), bkpt_loc_1_cond, "Changed location changed Breakpoint condition") self.assertEqual(bkpt.location[1].GetCondition(), bkpt_cond, "Changed another location's condition") # Now make sure that setting one options doesn't fix the value of another: bkpt.SetIgnoreCount(10) self.assertEqual(bkpt.GetIgnoreCount(), 10, "Set the ignore count successfully") self.assertEqual(bkpt.location[0].GetIgnoreCount(), 10, "Location doesn't track top-level bkpt.") # Now make sure resetting the condition to "" resets the tracking: bkpt.location[0].SetCondition("") bkpt_new_cond = "1 == 3" bkpt.SetCondition(bkpt_new_cond) self.assertEqual(bkpt.location[0].GetCondition(), bkpt_new_cond, "Didn't go back to tracking condition") def shadowed_bkpt_command_test(self): """Test that options set on the breakpoint and location behave correctly.""" # Breakpoint option propagation from bkpt to loc used to be done the first time # a breakpoint location option was specifically set. After that the other options # on that location would stop tracking the breakpoint. That got fixed, and this test # makes sure only the option touched is affected. bkpt = self.set_breakpoint() commands = ["AAAAAA", "BBBBBB", "CCCCCC"] str_list = lldb.SBStringList() str_list.AppendList(commands, len(commands)) bkpt.SetCommandLineCommands(str_list) cmd_list = lldb.SBStringList() bkpt.GetCommandLineCommands(cmd_list) list_size = str_list.GetSize() self.assertEqual(cmd_list.GetSize() , list_size, "Added the right number of commands") for i in range(0,list_size): self.assertEqual(str_list.GetStringAtIndex(i), cmd_list.GetStringAtIndex(i), "Mismatched commands.") commands = ["DDDDDD", "EEEEEE", "FFFFFF", "GGGGGG"] loc_list = lldb.SBStringList() loc_list.AppendList(commands, len(commands)) bkpt.location[1].SetCommandLineCommands(loc_list) loc_cmd_list = lldb.SBStringList() bkpt.location[1].GetCommandLineCommands(loc_cmd_list) loc_list_size = loc_list.GetSize() # Check that the location has the right commands: self.assertEqual(loc_cmd_list.GetSize() , loc_list_size, "Added the right number of commands to location") for i in range(0,loc_list_size): self.assertEqual(loc_list.GetStringAtIndex(i), loc_cmd_list.GetStringAtIndex(i), "Mismatched commands.") # Check that we didn't mess up the breakpoint level commands: self.assertEqual(cmd_list.GetSize() , list_size, "Added the right number of commands") for i in range(0,list_size): self.assertEqual(str_list.GetStringAtIndex(i), cmd_list.GetStringAtIndex(i), "Mismatched commands.") # And check we didn't mess up another location: untouched_loc_cmds = lldb.SBStringList() bkpt.location[0].GetCommandLineCommands(untouched_loc_cmds) self.assertEqual(untouched_loc_cmds.GetSize() , 0, "Changed the wrong location") def breakpoint_locations_test(self): """Test breakpoint enable/disable for a breakpoint ID with multiple locations.""" self.set_breakpoint() # The 'breakpoint disable 3.*' command should fail gracefully. self.expect("breakpoint disable 3.*", "Disabling an invalid breakpoint should fail gracefully", error=True, startstr="error: '3' is not a valid breakpoint ID.") # The 'breakpoint disable 1.*' command should disable all 3 locations. self.expect( "breakpoint disable 1.*", "All 3 breakpoint locatons disabled correctly", startstr="3 breakpoints disabled.") # Run the program. self.runCmd("run", RUN_SUCCEEDED) # We should not stopped on any breakpoint at all. self.expect("process status", "No stopping on any disabled breakpoint", patterns=["^Process [0-9]+ exited with status = 0"]) # The 'breakpoint enable 1.*' command should enable all 3 breakpoints. self.expect( "breakpoint enable 1.*", "All 3 breakpoint locatons enabled correctly", startstr="3 breakpoints enabled.") # The 'breakpoint disable 1.1' command should disable 1 location. self.expect( "breakpoint disable 1.1", "1 breakpoint locatons disabled correctly", startstr="1 breakpoints disabled.") # Run the program again. We should stop on the two breakpoint # locations. self.runCmd("run", RUN_SUCCEEDED) # Stopped once. self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT, substrs=["stop reason = breakpoint 1."]) # Continue the program, there should be another stop. self.runCmd("process continue") # Stopped again. self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT, substrs=["stop reason = breakpoint 1."]) # At this point, 1.1 has a hit count of 0 and the other a hit count of # 1". self.expect( "breakpoint list -f", "The breakpoints should report correct hit counts", patterns=[ "1\.1: .+ unresolved, hit count = 0 +Options: disabled", "1\.2: .+ resolved, hit count = 1", "1\.3: .+ resolved, hit count = 1"])