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- update unittest of Error, cover the casting of ErrorBuilder. - add unittest of metaprogramming.h
33 lines
834 B
C++
33 lines
834 B
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "common/metaprogramming.h"
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#include <gtest/gtest.h>
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#include <string>
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#include "llvm/Support/raw_ostream.h"
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namespace Carbon::Testing {
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namespace {
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TEST(MetaProgrammingTest, RequiresBasic) {
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bool result = Requires<int, int>([](int a, int b) { return a + b; });
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EXPECT_TRUE(result);
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}
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struct TypeWithPrint {
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void Print(llvm::raw_ostream& os) const { os << "Test"; }
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};
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TEST(MetaProgrammingTest, RequiresPrintMethod) {
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bool result = Requires<const TypeWithPrint, llvm::raw_ostream>(
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[](auto&& t, auto&& out) -> decltype(t.Print(out)) {});
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EXPECT_TRUE(result);
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}
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} // namespace
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} // namespace Carbon::Testing
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