dawn-cmake/src/writer/wgsl/generator_impl_unary_op_tes...

52 lines
1.6 KiB
C++

// Copyright 2020 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.
#include "src/writer/wgsl/test_helper.h"
namespace tint {
namespace writer {
namespace wgsl {
namespace {
struct UnaryOpData {
const char* name;
ast::UnaryOp op;
};
inline std::ostream& operator<<(std::ostream& out, UnaryOpData data) {
out << data.op;
return out;
}
using WgslUnaryOpTest = TestParamHelper<UnaryOpData>;
TEST_P(WgslUnaryOpTest, Emit) {
auto params = GetParam();
auto* expr = Expr("expr");
auto* op = create<ast::UnaryOpExpression>(params.op, expr);
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitExpression(op)) << gen.error();
EXPECT_EQ(gen.result(), std::string(params.name) + "(expr)");
}
INSTANTIATE_TEST_SUITE_P(WgslGeneratorImplTest,
WgslUnaryOpTest,
testing::Values(UnaryOpData{"!", ast::UnaryOp::kNot},
UnaryOpData{"-",
ast::UnaryOp::kNegation}));
} // namespace
} // namespace wgsl
} // namespace writer
} // namespace tint