// 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/spirv/scalar_constant.h"
#include "src/writer/spirv/test_helper.h"

namespace tint {
namespace writer {
namespace spirv {
namespace {

using SpirvScalarConstantTest = TestHelper;

TEST_F(SpirvScalarConstantTest, Equality) {
  ScalarConstant a{};
  ScalarConstant b{};
  EXPECT_EQ(a, b);

  a.kind = ScalarConstant::Kind::kU32;
  EXPECT_NE(a, b);
  b.kind = ScalarConstant::Kind::kU32;
  EXPECT_EQ(a, b);

  a.value.b = true;
  EXPECT_NE(a, b);
  b.value.b = true;
  EXPECT_EQ(a, b);

  a.is_spec_op = true;
  EXPECT_NE(a, b);
  b.is_spec_op = true;
  EXPECT_EQ(a, b);

  a.constant_id = 3;
  EXPECT_NE(a, b);
  b.constant_id = 3;
  EXPECT_EQ(a, b);
}

TEST_F(SpirvScalarConstantTest, U32) {
  auto c = ScalarConstant::U32(123);
  EXPECT_EQ(c.value.u32, 123u);
  EXPECT_EQ(c.kind, ScalarConstant::Kind::kU32);
}

}  // namespace
}  // namespace spirv
}  // namespace writer
}  // namespace tint