diff options
Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_ignore_count/TestBreakpointIgnoreCount.py')
| -rw-r--r-- | packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_ignore_count/TestBreakpointIgnoreCount.py | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_ignore_count/TestBreakpointIgnoreCount.py b/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_ignore_count/TestBreakpointIgnoreCount.py new file mode 100644 index 000000000000..8a83cb627f7a --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_ignore_count/TestBreakpointIgnoreCount.py @@ -0,0 +1,136 @@ +""" +Test breakpoint ignore count features. +""" + +from __future__ import print_function + + + +import os, time +import re +import lldb +import lldbsuite.test.lldbutil as lldbutil +from lldbsuite.test.lldbtest import * + +class BreakpointIgnoreCountTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def test_with_run_command(self): + """Exercise breakpoint ignore count with 'breakpoint set -i <count>'.""" + self.build() + self.breakpoint_ignore_count() + + @add_test_categories(['pyapi']) + def test_with_python_api(self): + """Use Python APIs to set breakpoint ignore count.""" + self.build() + self.breakpoint_ignore_count_python() + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to of function 'c'. + self.line1 = line_number('main.c', '// Find the line number of function "c" here.') + self.line2 = line_number('main.c', '// b(2) -> c(2) Find the call site of b(2).') + self.line3 = line_number('main.c', '// a(3) -> c(3) Find the call site of c(3).') + self.line4 = line_number('main.c', '// a(3) -> c(3) Find the call site of a(3).') + self.line5 = line_number('main.c', '// Find the call site of c in main.') + + def breakpoint_ignore_count(self): + """Exercise breakpoint ignore count with 'breakpoint set -i <count>'.""" + exe = os.path.join(os.getcwd(), "a.out") + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + # Create a breakpoint in main.c at line1. + lldbutil.run_break_set_by_file_and_line (self, 'main.c', self.line1, extra_options='-i 1', num_expected_locations=1, loc_exact=True) + + # Now run the program. + self.runCmd("run", RUN_SUCCEEDED) + + # The process should be stopped at this point. + self.expect("process status", PROCESS_STOPPED, + patterns = ['Process .* stopped']) + + # Also check the hit count, which should be 2, due to ignore count of 1. + self.expect("breakpoint list -f", BREAKPOINT_HIT_THRICE, + substrs = ["resolved = 1", + "hit count = 2"]) + + # The frame #0 should correspond to main.c:37, the executable statement + # in function name 'c'. And frame #2 should point to main.c:45. + self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT_IGNORE_COUNT, + #substrs = ["stop reason = breakpoint"], + patterns = ["frame #0.*main.c:%d" % self.line1, + "frame #2.*main.c:%d" % self.line2]) + + # continue -i 1 is the same as setting the ignore count to 1 again, try that: + # Now run the program. + self.runCmd("process continue -i 1", RUN_SUCCEEDED) + + # The process should be stopped at this point. + self.expect("process status", PROCESS_STOPPED, + patterns = ['Process .* stopped']) + + # Also check the hit count, which should be 2, due to ignore count of 1. + self.expect("breakpoint list -f", BREAKPOINT_HIT_THRICE, + substrs = ["resolved = 1", + "hit count = 4"]) + + # The frame #0 should correspond to main.c:37, the executable statement + # in function name 'c'. And frame #2 should point to main.c:45. + self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT_IGNORE_COUNT, + #substrs = ["stop reason = breakpoint"], + patterns = ["frame #0.*main.c:%d" % self.line1, + "frame #1.*main.c:%d" % self.line5]) + + + + def breakpoint_ignore_count_python(self): + """Use Python APIs to set breakpoint ignore count.""" + exe = os.path.join(os.getcwd(), "a.out") + + # Create a target by the debugger. + target = self.dbg.CreateTarget(exe) + self.assertTrue(target, VALID_TARGET) + + # Now create a breakpoint on main.c by name 'c'. + breakpoint = target.BreakpointCreateByName('c', 'a.out') + self.assertTrue(breakpoint and + breakpoint.GetNumLocations() == 1, + VALID_BREAKPOINT) + + # Get the breakpoint location from breakpoint after we verified that, + # indeed, it has one location. + location = breakpoint.GetLocationAtIndex(0) + self.assertTrue(location and + location.IsEnabled(), + VALID_BREAKPOINT_LOCATION) + + # Set the ignore count on the breakpoint location. + location.SetIgnoreCount(2) + self.assertTrue(location.GetIgnoreCount() == 2, + "SetIgnoreCount() works correctly") + + # Now 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) + + # Frame#0 should be on main.c:37, frame#1 should be on main.c:25, and + # frame#2 should be on main.c:48. + #lldbutil.print_stacktraces(process) + 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) + frame1 = thread.GetFrameAtIndex(1) + frame2 = thread.GetFrameAtIndex(2) + self.assertTrue(frame0.GetLineEntry().GetLine() == self.line1 and + frame1.GetLineEntry().GetLine() == self.line3 and + frame2.GetLineEntry().GetLine() == self.line4, + STOPPED_DUE_TO_BREAKPOINT_IGNORE_COUNT) + + # The hit count for the breakpoint should be 3. + self.assertTrue(breakpoint.GetHitCount() == 3) + + process.Continue() |