| """Test breakpoint on a class constructor; and variable list the this object.""" |
| |
| |
| import os |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ClassTypesTestCase(TestBase): |
| 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 test_with_run_command(self): |
| """Test 'frame variable this' when stopped on a class constructor.""" |
| self.build() |
| exe = self.getBuildArtifact("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. |
| lldbutil.check_breakpoint(self, bpno=1, expected_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 = "], |
| ) |
| |
| @add_test_categories(["pyapi"]) |
| def test_with_python_api(self): |
| """Use Python APIs to create a breakpoint by (filespec, line).""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| filespec = target.GetExecutable() |
| self.assertTrue(filespec, VALID_FILESPEC) |
| |
| fsDir = os.path.normpath(filespec.GetDirectory()) |
| fsFile = filespec.GetFilename() |
| |
| self.assertTrue( |
| fsDir == os.path.dirname(self.getBuildArtifact()) 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 = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) |
| self.assertIsNotNone(thread) |
| |
| # 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.assertEqual(breakpoint.GetHitCount(), 1, BREAKPOINT_HIT_ONCE) |
| |
| process.Continue() |
| |
| def test_with_expr_parser(self): |
| """Test 'frame variable this' and 'expr this' when stopped inside a constructor.""" |
| self.build() |
| exe = self.getBuildArtifact("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. |
| lldbutil.check_breakpoint(self, bpno=1, expected_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 test_with_constructor_name(self): |
| """Test 'frame variable this' and 'expr this' when stopped inside a constructor.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| filespec = target.GetExecutable() |
| self.assertTrue(filespec, VALID_FILESPEC) |
| |
| fsDir = os.path.normpath(filespec.GetDirectory()) |
| fsFile = filespec.GetFilename() |
| |
| self.assertTrue( |
| fsDir == os.path.dirname(self.getBuildArtifact()) 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 = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint) |
| self.assertIsNotNone(thread) |
| |
| frame = thread.frames[0] |
| self.assertTrue(frame.IsValid(), "Got a valid frame.") |
| |
| self.assertIn("C::C", frame.name, "Constructor name includes class name.") |
