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// Copyright 2022 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_TINT_TYPE_TEST_HELPER_H_
#define SRC_TINT_TYPE_TEST_HELPER_H_
#include <utility>
#include "gtest/gtest.h"
#include "src/tint/program_builder.h"
namespace tint::type {
/// Helper class for testing
template <typename BASE>
class TestHelperBase : public BASE, public ProgramBuilder {
public:
/// Builds and returns the program. Must only be called once per test
/// @return the built program
Program Build() {
diag::Formatter formatter;
[&]() {
ASSERT_TRUE(IsValid()) << "Builder program is not valid\n"
<< formatter.format(Diagnostics());
}();
return Program(std::move(*this));
}
};
using TestHelper = TestHelperBase<testing::Test>;
template <typename T>
using TestParamHelper = TestHelperBase<testing::TestWithParam<T>>;
} // namespace tint::type
/// Helper macro for testing that a type was as expected
#define EXPECT_TYPE(GOT, EXPECT) \
do { \
const type::Type* got = GOT; \
const type::Type* expect = EXPECT; \
if (got != expect) { \
ADD_FAILURE() << #GOT " != " #EXPECT "\n" \
<< " " #GOT ": " << FriendlyName(got) << "\n" \
<< " " #EXPECT ": " << FriendlyName(expect); \
} \
} while (false)
#endif // SRC_TINT_TYPE_TEST_HELPER_H_