1import lldb 2from lldbsuite.test.decorators import * 3from lldbsuite.test.lldbtest import * 4from lldbsuite.test import lldbutil 5 6class TestCPP20Standard(TestBase): 7 @add_test_categories(["libc++"]) 8 @skipIf(compiler="clang", compiler_version=['<', '11.0']) 9 def test_cpp20(self): 10 """ 11 Tests that we can evaluate an expression in C++20 mode 12 """ 13 self.build() 14 lldbutil.run_to_source_breakpoint(self, "Foo{}", lldb.SBFileSpec("main.cpp")) 15 16 self.expect("expr -l c++11 -- Foo{} <=> Foo{}", error=True, substrs=["'<=>' is a single token in C++20; add a space to avoid a change in behavior"]) 17 18 self.expect("expr -l c++20 -- Foo{} <=> Foo{}", substrs=["(bool) $0 = true"]) 19