| // 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/wgsl/test_helper.h" |
| |
| #include "gmock/gmock.h" |
| |
| namespace tint::writer::wgsl { |
| namespace { |
| |
| using namespace tint::builtin::fluent_types; // NOLINT |
| using namespace tint::number_suffixes; // NOLINT |
| |
| using WgslGeneratorImplTest = TestHelper; |
| |
| TEST_F(WgslGeneratorImplTest, EmitExpression_Cast_Scalar_F32_From_I32) { |
| auto* cast = Call<f32>(1_i); |
| WrapInFunction(cast); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| gen.EmitExpression(out, cast); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(out.str(), "f32(1i)"); |
| } |
| |
| TEST_F(WgslGeneratorImplTest, EmitExpression_Cast_Scalar_F16_From_I32) { |
| Enable(builtin::Extension::kF16); |
| |
| auto* cast = Call<f16>(1_i); |
| WrapInFunction(cast); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| gen.EmitExpression(out, cast); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(out.str(), "f16(1i)"); |
| } |
| |
| TEST_F(WgslGeneratorImplTest, EmitExpression_Cast_Vector_F32_From_I32) { |
| auto* cast = Call<vec3<f32>>(Call<vec3<i32>>(1_i, 2_i, 3_i)); |
| WrapInFunction(cast); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| gen.EmitExpression(out, cast); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(out.str(), "vec3<f32>(vec3<i32>(1i, 2i, 3i))"); |
| } |
| |
| TEST_F(WgslGeneratorImplTest, EmitExpression_Cast_Vector_F16_From_I32) { |
| Enable(builtin::Extension::kF16); |
| |
| auto* cast = Call<vec3<f16>>(Call<vec3<i32>>(1_i, 2_i, 3_i)); |
| WrapInFunction(cast); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| gen.EmitExpression(out, cast); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(out.str(), "vec3<f16>(vec3<i32>(1i, 2i, 3i))"); |
| } |
| |
| } // namespace |
| } // namespace tint::writer::wgsl |