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import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCPP20Standard(TestBase):
@add_test_categories(["libc++"])
@skipIf(compiler="clang", compiler_version=["<", "11.0"])
def test_cpp20(self):
"""
Tests that we can evaluate an expression in C++20 mode
"""
self.build()
lldbutil.run_to_source_breakpoint(self, "Foo{}", lldb.SBFileSpec("main.cpp"))
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"
],
)
self.expect("expr -l c++20 -- Foo{} <=> Foo{}", substrs=["(bool) $0 = true"])
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