| // 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/utils/string_stream.h" |
| #include "src/tint/writer/hlsl/test_helper.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::writer::hlsl { |
| namespace { |
| |
| using HlslGeneratorImplTest_Bitcast = TestHelper; |
| |
| TEST_F(HlslGeneratorImplTest_Bitcast, EmitExpression_Bitcast_Float) { |
| auto* a = Let("a", Expr(1_i)); |
| auto* bitcast = Bitcast<f32>(Expr("a")); |
| WrapInFunction(a, bitcast); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, bitcast)) << gen.error(); |
| EXPECT_EQ(out.str(), "asfloat(a)"); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_Bitcast, EmitExpression_Bitcast_Int) { |
| auto* a = Let("a", Expr(1_u)); |
| auto* bitcast = Bitcast<i32>(Expr("a")); |
| WrapInFunction(a, bitcast); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, bitcast)) << gen.error(); |
| EXPECT_EQ(out.str(), "asint(a)"); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_Bitcast, EmitExpression_Bitcast_Uint) { |
| auto* a = Let("a", Expr(1_i)); |
| auto* bitcast = Bitcast<u32>(Expr("a")); |
| WrapInFunction(a, bitcast); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, bitcast)) << gen.error(); |
| EXPECT_EQ(out.str(), "asuint(a)"); |
| } |
| |
| } // namespace |
| } // namespace tint::writer::hlsl |