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// 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/tint/lang/spirv/writer/ast_printer/scalar_constant.h"
#include "src/tint/lang/spirv/writer/ast_printer/helper_test.h"
namespace tint::spirv::writer {
namespace {
using SpirvASTPrinterScalarConstantTest = TestHelper;
TEST_F(SpirvASTPrinterScalarConstantTest, 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);
}
TEST_F(SpirvASTPrinterScalarConstantTest, U32) {
auto c = ScalarConstant::U32(123);
EXPECT_EQ(c.value.u32, 123u);
EXPECT_EQ(c.kind, ScalarConstant::Kind::kU32);
}
TEST_F(SpirvASTPrinterScalarConstantTest, F16) {
auto c = ScalarConstant::F16(123.456f);
// 123.456f will be quantized to f16 123.4375h, bit pattern 0x57b7
EXPECT_EQ(c.value.f16.bits_representation, 0x57b7u);
EXPECT_EQ(c.kind, ScalarConstant::Kind::kF16);
}
} // namespace
} // namespace tint::spirv::writer