| """ |
| Tests that rvalue references are supported in C++ |
| """ |
| |
| import lldb |
| from lldbtest import * |
| import lldbutil |
| |
| class RvalueReferencesTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| #rdar://problem/11479676 |
| @expectedFailureClang |
| @dsym_test |
| def test_with_dsym_and_run_command(self): |
| """Test that rvalues are supported in the C++ expression parser""" |
| self.buildDsym() |
| self.static_method_commands() |
| |
| #rdar://problem/11479676 |
| @expectedFailureClang # pr16762: Expression evaluation of an rvalue-reference does not show the correct type. |
| @expectedFailureGcc # GCC (4.7) does not emit correct DWARF tags for rvalue-references |
| @expectedFailureIcc # ICC (13.1, 14-beta) do not emit DW_TAG_rvalue_reference_type. |
| @dwarf_test |
| def test_with_dwarf_and_run_command(self): |
| """Test that rvalues are supported in the C++ expression parser""" |
| self.buildDwarf() |
| self.static_method_commands() |
| |
| def setUp(self): |
| TestBase.setUp(self) |
| |
| def set_breakpoint(self, line): |
| lldbutil.run_break_set_by_file_and_line (self, "main.cpp", line, num_expected_locations=1, loc_exact=True) |
| |
| def static_method_commands(self): |
| """Test that rvalues are supported in the C++ expression parser""" |
| self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) |
| |
| self.set_breakpoint(line_number('main.cpp', '// breakpoint 1')) |
| self.set_breakpoint(line_number('main.cpp', '// breakpoint 2')) |
| |
| self.runCmd("process launch", RUN_SUCCEEDED) |
| |
| # Note that clang as of r187480 doesn't emit DW_TAG_const_type, unlike gcc 4.8.1 |
| # With gcc 4.8.1, lldb reports the type as (int &&const) |
| self.expect("frame variable i", |
| startstr = "(int &&", |
| substrs = ["i = 0x", "&i = 3"]) |
| |
| self.expect("expression -- i", |
| startstr = "(int &&", |
| substrs = ["3"]) |
| |
| self.expect("breakpoint delete 1") |
| |
| self.runCmd("process continue") |
| |
| self.expect("expression -- foo(2)") |
| |
| self.expect("expression -- int &&j = 3; foo(j)", |
| error = True) |
| |
| self.expect("expression -- int &&k = 6; k", |
| startstr = "(int) $1 = 6") |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
