| """ |
| Tests that rvalue references are supported in C++ |
| """ |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class RvalueReferencesTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| # rdar://problem/11479676 |
| @expectedFailureAll( |
| compiler="icc", |
| bugnumber="ICC (13.1, 14-beta) do not emit DW_TAG_rvalue_reference_type.") |
| @expectedFailureAll( |
| oslist=["windows"], |
| bugnumber="llvm.org/pr24489: Name lookup not working correctly on Windows") |
| def test_with_run_command(self): |
| """Test that rvalues are supported in the C++ expression parser""" |
| self.build() |
| self.runCmd("file " + self.getBuildArtifact("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") |
| |
| def set_breakpoint(self, line): |
| lldbutil.run_break_set_by_file_and_line( |
| self, "main.cpp", line, num_expected_locations=1, loc_exact=True) |
