| """ |
| Test breakpoint ignore count features. |
| """ |
| |
| import os, time |
| import re |
| import unittest2 |
| import lldb, lldbutil |
| from lldbtest import * |
| |
| class BreakpointIgnoreCountTestCase(TestBase): |
| |
| mydir = "breakpoint_ignore_count" |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| def test_with_dsym_and_run_command(self): |
| """Exercise breakpoint ignore count with 'breakpoint set -i <count>'.""" |
| self.buildDsym() |
| self.breakpoint_ignore_count() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @python_api_test |
| def test_with_dsym_and_python_api(self): |
| """Use Python APIs to set breakpoint ignore count.""" |
| self.buildDsym() |
| self.breakpoint_ignore_count_python() |
| |
| def test_with_dwarf_and_run_command(self): |
| """Exercise breakpoint ignore count with 'breakpoint set -i <count>'.""" |
| self.buildDwarf() |
| self.breakpoint_ignore_count() |
| |
| @python_api_test |
| def test_with_dwarf_and_python_api(self): |
| """Use Python APIs to set breakpoint ignore count.""" |
| self.buildDwarf() |
| 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).') |
| |
| 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 by function name 'c'. |
| self.expect("breakpoint set -i 1 -f main.c -l %d" % self.line1, BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" % |
| self.line1) |
| |
| # 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]) |
| |
| 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.IsValid(), VALID_TARGET) |
| |
| # Now create a breakpoint on main.c by name 'c'. |
| breakpoint = target.BreakpointCreateByName('c', 'a.out') |
| self.assertTrue(breakpoint.IsValid() 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.IsValid() 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. |
| error = lldb.SBError() |
| self.process = target.Launch (self.dbg.GetListener(), None, None, os.ctermid(), os.ctermid(), os.ctermid(), None, 0, False, error) |
| |
| self.process = target.GetProcess() |
| self.assertTrue(self.process.IsValid(), 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.PrintStackTraces(self.process) |
| frame0 = self.process.GetThreadAtIndex(0).GetFrameAtIndex(0) |
| frame1 = self.process.GetThreadAtIndex(0).GetFrameAtIndex(1) |
| frame2 = self.process.GetThreadAtIndex(0).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) |
| |
| self.process.Continue() |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |