49 lines · python
1"""2Tests that rvalue references are supported in C++3"""4 5import lldb6from lldbsuite.test.decorators import *7from lldbsuite.test.lldbtest import *8from lldbsuite.test import lldbutil9 10 11class RvalueReferencesTestCase(TestBase):12 # rdar://problem/1147967613 @expectedFailureAll(14 compiler="icc",15 bugnumber="ICC (13.1, 14-beta) do not emit DW_TAG_rvalue_reference_type.",16 )17 def test_with_run_command(self):18 """Test that rvalues are supported in the C++ expression parser"""19 self.build()20 self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)21 22 self.set_breakpoint(line_number("main.cpp", "// breakpoint 1"))23 self.set_breakpoint(line_number("main.cpp", "// breakpoint 2"))24 25 self.runCmd("process launch", RUN_SUCCEEDED)26 27 # Note that clang as of r187480 doesn't emit DW_TAG_const_type, unlike gcc 4.8.128 # With gcc 4.8.1, lldb reports the type as (int &&const)29 self.expect(30 "frame variable i", startstr="(int &&", substrs=["i = 0x", "&i = 3"]31 )32 33 self.expect("expression -- i", startstr="(int) ", substrs=["3"])34 35 self.expect("breakpoint delete 1")36 37 self.runCmd("process continue")38 39 self.expect("expression -- foo(2)")40 41 self.expect("expression -- int &&j = 3; foo(j)", error=True)42 43 self.expect("expression -- int &&k = 6; k", startstr="(int) $1 = 6")44 45 def set_breakpoint(self, line):46 lldbutil.run_break_set_by_file_and_line(47 self, "main.cpp", line, num_expected_locations=1, loc_exact=True48 )49