| // 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 "gmock/gmock.h" |
| #include "src/tint/ast/variable_decl_statement.h" |
| #include "src/tint/writer/hlsl/test_helper.h" |
| |
| namespace tint::writer::hlsl { |
| namespace { |
| |
| using ::testing::HasSubstr; |
| |
| using HlslGeneratorImplTest_VariableDecl = TestHelper; |
| |
| TEST_F(HlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement) { |
| auto* var = Var("a", ty.f32()); |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), " float a = 0.0f;\n"); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const) { |
| auto* var = Let("a", ty.f32(), Construct(ty.f32())); |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), " const float a = 0.0f;\n"); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Array) { |
| auto* var = Var("a", ty.array<f32, 5>()); |
| |
| WrapInFunction(var, Expr("a")); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(" float a[5] = (float[5])0;\n")); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Private) { |
| Global("a", ty.f32(), ast::StorageClass::kPrivate); |
| |
| WrapInFunction(Expr("a")); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(" static float a = 0.0f;\n")); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Initializer_Private) { |
| Global("initializer", ty.f32(), ast::StorageClass::kPrivate); |
| Global("a", ty.f32(), ast::StorageClass::kPrivate, Expr("initializer")); |
| |
| WrapInFunction(Expr("a")); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(R"(float a = initializer; |
| )")); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Initializer_ZeroVec) { |
| auto* var = Var("a", ty.vec3<f32>(), ast::StorageClass::kNone, vec3<f32>()); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(float3 a = (0.0f).xxx; |
| )"); |
| } |
| |
| TEST_F(HlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Initializer_ZeroMat) { |
| auto* var = Var("a", ty.mat2x3<f32>(), ast::StorageClass::kNone, mat2x3<f32>()); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), |
| R"(float2x3 a = float2x3((0.0f).xxx, (0.0f).xxx); |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::writer::hlsl |