| from __future__ import print_function |
| |
| import os |
| import time |
| import re |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| class ValueAPIEmptyClassTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @add_test_categories(['pyapi']) |
| def test(self): |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| line = line_number('main.cpp', '// Break at this line') |
| |
| # Create a target by the debugger. |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| # Create the breakpoint inside function 'main'. |
| breakpoint = target.BreakpointCreateByLocation('main.cpp', line) |
| self.assertTrue(breakpoint, VALID_BREAKPOINT) |
| |
| # 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) |
| |
| # Get Frame #0. |
| self.assertTrue(process.GetState() == lldb.eStateStopped) |
| thread = lldbutil.get_stopped_thread( |
| process, lldb.eStopReasonBreakpoint) |
| self.assertTrue( |
| thread.IsValid(), |
| "There should be a thread stopped due to breakpoint condition") |
| frame0 = thread.GetFrameAtIndex(0) |
| |
| # Verify that we can access to a frame variable with an empty class type |
| e = frame0.FindVariable('e') |
| self.assertTrue(e.IsValid(), VALID_VARIABLE) |
| self.DebugSBValue(e) |
| self.assertEqual(e.GetNumChildren(), 0) |
| |
| # Verify that we can acces to a frame variable what is a pointer to an |
| # empty class |
| ep = frame0.FindVariable('ep') |
| self.assertTrue(ep.IsValid(), VALID_VARIABLE) |
| self.DebugSBValue(ep) |
| |
| # Verify that we can dereference a pointer to an empty class |
| epd = ep.Dereference() |
| self.assertTrue(epd.IsValid(), VALID_VARIABLE) |
| self.DebugSBValue(epd) |
| self.assertEqual(epd.GetNumChildren(), 0) |
| |
