| """ |
| Test that dynamic values update their child count correctly |
| """ |
| |
| import os, time |
| import re |
| import unittest2 |
| import lldb, lldbutil |
| from lldbtest import * |
| |
| class DynamicValueChildCountTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @python_api_test |
| @dsym_test |
| @expectedFailurei386("to be figured out") |
| def test_get_dynamic_vals_with_dsym(self): |
| """Test fetching C++ dynamic values from pointers & references.""" |
| self.buildDsym(dictionary=self.getBuildFlags()) |
| self.do_get_dynamic_vals() |
| |
| @expectedFailureLinux # FIXME: This needs to be root-caused. It looks like the DWARF info is anticipating the derived class assignment. |
| @expectedFailureFreeBSD("llvm.org/pr19311") # continue at a breakpoint does not work |
| @python_api_test |
| @dwarf_test |
| @expectedFailurei386("to be figured out") |
| def test_get_dynamic_vals_with_dwarf(self): |
| """Test fetching C++ dynamic values from pointers & references.""" |
| self.buildDwarf(dictionary=self.getBuildFlags()) |
| self.do_get_dynamic_vals() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| |
| # Find the line number to break for main.c. |
| |
| self.main_third_call_line = line_number('pass-to-base.cpp', |
| '// Break here and check b has 0 children') |
| self.main_fourth_call_line = line_number('pass-to-base.cpp', |
| '// Break here and check b still has 0 children') |
| self.main_fifth_call_line = line_number('pass-to-base.cpp', |
| '// Break here and check b has one child now') |
| self.main_sixth_call_line = line_number('pass-to-base.cpp', |
| '// Break here and check b has 0 children again') |
| |
| |
| |
| |
| def do_get_dynamic_vals(self): |
| """Get argument vals for the call stack when stopped on a breakpoint.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| |
| # Create a target from the debugger. |
| |
| target = self.dbg.CreateTarget (exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| # Set up our breakpoints: |
| |
| third_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_third_call_line) |
| self.assertTrue(third_call_bpt, |
| VALID_BREAKPOINT) |
| fourth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_fourth_call_line) |
| self.assertTrue(fourth_call_bpt, |
| VALID_BREAKPOINT) |
| fifth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_fifth_call_line) |
| self.assertTrue(fifth_call_bpt, |
| VALID_BREAKPOINT) |
| sixth_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_sixth_call_line) |
| self.assertTrue(sixth_call_bpt, |
| VALID_BREAKPOINT) |
| |
| # Now launch the process, and do not stop at the entry point. |
| process = target.LaunchSimple (None, None, self.get_process_working_directory()) |
| |
| self.assertTrue(process.GetState() == lldb.eStateStopped, |
| PROCESS_STOPPED) |
| |
| b = self.frame().FindVariable("b").GetDynamicValue(lldb.eDynamicCanRunTarget) |
| self.assertTrue(b.GetNumChildren() == 0, "b has 0 children") |
| self.runCmd("continue") |
| self.assertTrue(b.GetNumChildren() == 0, "b still has 0 children") |
| self.runCmd("continue") |
| self.assertTrue(b.GetNumChildren() != 0, "b now has 1 child") |
| self.runCmd("continue") |
| self.assertTrue(b.GetNumChildren() == 0, "b didn't go back to 0 children") |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
