| """Test breakpoint on a class constructor; and variable list the this object.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| import lldbutil |
| from lldbtest import * |
| import lldbutil |
| |
| class ClassTypesTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| failing_compilers = ['clang', 'gcc'] |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_with_dsym_and_run_command(self): |
| """Test 'frame variable this' when stopped on a class constructor.""" |
| self.buildDsym() |
| self.class_types() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @python_api_test |
| @dsym_test |
| def test_with_dsym_and_python_api(self): |
| """Use Python APIs to create a breakpoint by (filespec, line).""" |
| self.buildDsym() |
| self.breakpoint_creation_by_filespec_python() |
| |
| # rdar://problem/8378863 |
| # "frame variable this" returns |
| # error: unable to find any variables named 'this' |
| @dwarf_test |
| def test_with_dwarf_and_run_command(self): |
| """Test 'frame variable this' when stopped on a class constructor.""" |
| self.buildDwarf() |
| self.class_types() |
| |
| @python_api_test |
| @dwarf_test |
| def test_with_dwarf_and_python_api(self): |
| """Use Python APIs to create a breakpoint by (filespec, line).""" |
| self.buildDwarf() |
| self.breakpoint_creation_by_filespec_python() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| # rdar://problem/8557478 |
| # test/class_types test failures: runCmd: expr this->m_c_int |
| @dsym_test |
| def test_with_dsym_and_expr_parser(self): |
| """Test 'frame variable this' and 'expr this' when stopped inside a constructor.""" |
| self.buildDsym() |
| self.class_types_expr_parser() |
| |
| # rdar://problem/8557478 |
| # test/class_types test failures: runCmd: expr this->m_c_int |
| @dwarf_test |
| def test_with_dwarf_and_expr_parser(self): |
| """Test 'frame variable this' and 'expr this' when stopped inside a constructor.""" |
| self.buildDwarf() |
| self.class_types_expr_parser() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| # rdar://problem/8557478 |
| # test/class_types test failures: runCmd: expr this->m_c_int |
| @dsym_test |
| @expectedFailureDarwin(16362674) |
| def test_with_dsym_and_constructor_name(self): |
| """Test 'frame variable this' and 'expr this' when stopped inside a constructor.""" |
| self.buildDsym() |
| self.class_types_constructor_name() |
| |
| # rdar://problem/8557478 |
| # test/class_types test failures: runCmd: expr this->m_c_int |
| @dwarf_test |
| @expectedFailureFreeBSD('llvm.org/pr14540') |
| @expectedFailureLinux('llvm.org/pr14540', failing_compilers) |
| @expectedFailureDarwin(16362674) |
| def test_with_dwarf_and_constructor_name (self): |
| """Test 'frame variable this' and 'expr this' when stopped inside a constructor.""" |
| self.buildDwarf() |
| self.class_types_constructor_name() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break for main.cpp. |
| self.line = line_number('main.cpp', '// Set break point at this line.') |
| |
| def class_types(self): |
| """Test 'frame variable this' when stopped on a class constructor.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Break on the ctor function of class C. |
| lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=-1) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The test suite sometimes shows that the process has exited without stopping. |
| # |
| # CC=clang ./dotest.py -v -t class_types |
| # ... |
| # Process 76604 exited with status = 0 (0x00000000) |
| self.runCmd("process status") |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 1. |
| self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, |
| substrs = [' resolved, hit count = 1']) |
| |
| # We should be stopped on the ctor function of class C. |
| self.expect("frame variable --show-types this", VARIABLES_DISPLAYED_CORRECTLY, |
| substrs = ['C *', |
| ' this = ']) |
| |
| def breakpoint_creation_by_filespec_python(self): |
| """Use Python APIs to create a breakpoint by (filespec, line).""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| filespec = target.GetExecutable() |
| self.assertTrue(filespec, VALID_FILESPEC) |
| |
| fsDir = filespec.GetDirectory() |
| fsFile = filespec.GetFilename() |
| |
| self.assertTrue(fsDir == os.getcwd() and fsFile == "a.out", |
| "FileSpec matches the executable") |
| |
| bpfilespec = lldb.SBFileSpec("main.cpp", False) |
| |
| breakpoint = target.BreakpointCreateByLocation(bpfilespec, self.line) |
| self.assertTrue(breakpoint, VALID_BREAKPOINT) |
| |
| # Verify the breakpoint just created. |
| self.expect(str(breakpoint), BREAKPOINT_CREATED, exe=False, |
| substrs = ['main.cpp', |
| str(self.line)]) |
| |
| # Now launch the process, and do not stop at entry point. |
| process = target.LaunchSimple (None, None, self.get_process_working_directory()) |
| |
| if not process: |
| self.fail("SBTarget.Launch() failed") |
| |
| if process.GetState() != lldb.eStateStopped: |
| self.fail("Process should be in the 'stopped' state, " |
| "instead the actual state is: '%s'" % |
| lldbutil.state_type_to_str(process.GetState())) |
| |
| # The stop reason of the thread should be breakpoint. |
| thread = process.GetThreadAtIndex(0) |
| if thread.GetStopReason() != lldb.eStopReasonBreakpoint: |
| from lldbutil import stop_reason_to_str |
| self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS % |
| stop_reason_to_str(thread.GetStopReason())) |
| |
| # The filename of frame #0 should be 'main.cpp' and the line number |
| # should be 93. |
| self.expect("%s:%d" % (lldbutil.get_filenames(thread)[0], |
| lldbutil.get_line_numbers(thread)[0]), |
| "Break correctly at main.cpp:%d" % self.line, exe=False, |
| startstr = "main.cpp:") |
| ### clang compiled code reported main.cpp:94? |
| ### startstr = "main.cpp:93") |
| |
| # We should be stopped on the breakpoint with a hit count of 1. |
| self.assertTrue(breakpoint.GetHitCount() == 1, BREAKPOINT_HIT_ONCE) |
| |
| process.Continue() |
| |
| def class_types_expr_parser(self): |
| """Test 'frame variable this' and 'expr this' when stopped inside a constructor.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # rdar://problem/8516141 |
| # Is this a case of clang (116.1) generating bad debug info? |
| # |
| # Break on the ctor function of class C. |
| #self.expect("breakpoint set -M C", BREAKPOINT_CREATED, |
| # startstr = "Breakpoint created: 1: name = 'C'") |
| |
| # Make the test case more robust by using line number to break, instead. |
| lldbutil.run_break_set_by_file_and_line (self, None, self.line, num_expected_locations=-1) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # The stop reason of the thread should be breakpoint. |
| self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['stopped', |
| 'stop reason = breakpoint']) |
| |
| # The breakpoint should have a hit count of 1. |
| self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, |
| substrs = [' resolved, hit count = 1']) |
| |
| # Continue on inside the ctor() body... |
| self.runCmd("register read pc") |
| self.runCmd("thread step-over") |
| |
| # Verify that 'frame variable this' gets the data type correct. |
| self.expect("frame variable this",VARIABLES_DISPLAYED_CORRECTLY, |
| substrs = ['C *']) |
| |
| # Verify that frame variable --show-types this->m_c_int behaves correctly. |
| self.runCmd("register read pc") |
| self.runCmd("expr m_c_int") |
| self.expect("frame variable --show-types this->m_c_int", VARIABLES_DISPLAYED_CORRECTLY, |
| startstr = '(int) this->m_c_int = 66') |
| |
| # Verify that 'expression this' gets the data type correct. |
| self.expect("expression this", VARIABLES_DISPLAYED_CORRECTLY, |
| substrs = ['C *']) |
| |
| # rdar://problem/8430916 |
| # expr this->m_c_int returns an incorrect value |
| # |
| # Verify that expr this->m_c_int behaves correctly. |
| self.expect("expression this->m_c_int", VARIABLES_DISPLAYED_CORRECTLY, |
| patterns = ['\(int\) \$[0-9]+ = 66']) |
| |
| |
| def class_types_constructor_name (self): |
| """Check whether the constructor name has the class name prepended.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| filespec = target.GetExecutable() |
| self.assertTrue(filespec, VALID_FILESPEC) |
| |
| fsDir = filespec.GetDirectory() |
| fsFile = filespec.GetFilename() |
| |
| self.assertTrue(fsDir == os.getcwd() and fsFile == "a.out", |
| "FileSpec matches the executable") |
| |
| bpfilespec = lldb.SBFileSpec("main.cpp", False) |
| |
| breakpoint = target.BreakpointCreateByLocation(bpfilespec, self.line) |
| self.assertTrue(breakpoint, VALID_BREAKPOINT) |
| |
| # Verify the breakpoint just created. |
| self.expect(str(breakpoint), BREAKPOINT_CREATED, exe=False, |
| substrs = ['main.cpp', |
| str(self.line)]) |
| |
| # Now launch the process, and do not stop at entry point. |
| process = target.LaunchSimple (None, None, self.get_process_working_directory()) |
| |
| if not process: |
| self.fail("SBTarget.Launch() failed") |
| |
| if process.GetState() != lldb.eStateStopped: |
| self.fail("Process should be in the 'stopped' state, " |
| "instead the actual state is: '%s'" % |
| lldbutil.state_type_to_str(process.GetState())) |
| |
| # The stop reason of the thread should be breakpoint. |
| thread = process.GetThreadAtIndex(0) |
| if thread.GetStopReason() != lldb.eStopReasonBreakpoint: |
| from lldbutil import stop_reason_to_str |
| self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS % |
| stop_reason_to_str(thread.GetStopReason())) |
| |
| frame = thread.frames[0] |
| self.assertTrue (frame.IsValid(), "Got a valid frame.") |
| |
| self.assertTrue ("C::C" in frame.name, "Constructor name includes class name.") |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
