| // 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 "gtest/gtest.h" |
| #include "src/ast/bool_literal.h" |
| #include "src/ast/float_literal.h" |
| #include "src/ast/module.h" |
| #include "src/ast/scalar_constructor_expression.h" |
| #include "src/ast/sint_literal.h" |
| #include "src/ast/type/array_type.h" |
| #include "src/ast/type/bool_type.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/i32_type.h" |
| #include "src/ast/type/matrix_type.h" |
| #include "src/ast/type/u32_type.h" |
| #include "src/ast/type/vector_type.h" |
| #include "src/ast/type_constructor_expression.h" |
| #include "src/ast/uint_literal.h" |
| #include "src/writer/msl/generator_impl.h" |
| #include "src/writer/msl/test_helper.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace msl { |
| namespace { |
| |
| using MslGeneratorImplTest = TestHelper; |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Bool) { |
| auto* expr = Expr(false); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "false"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Int) { |
| auto* expr = Expr(-12345); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "-12345"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_UInt) { |
| auto* expr = Expr(56779u); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "56779u"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Float) { |
| // Use a number close to 1<<30 but whose decimal representation ends in 0. |
| auto* expr = Expr(static_cast<float>((1 << 30) - 4)); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "1073741824.0f"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Float) { |
| auto* expr = Construct<f32>(-1.2e-5f); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "float(-0.000012f)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Bool) { |
| auto* expr = Construct<bool>(true); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "bool(true)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Int) { |
| auto* expr = Construct<i32>(-12345); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "int(-12345)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Uint) { |
| auto* expr = Construct<u32>(12345u); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "uint(12345u)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Vec) { |
| auto* expr = vec3<f32>(1.f, 2.f, 3.f); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "float3(1.0f, 2.0f, 3.0f)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Vec_Empty) { |
| auto* expr = vec3<f32>(); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), "float3(0.0f)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Mat) { |
| ast::ExpressionList mat_values; |
| |
| for (size_t i = 0; i < 2; i++) { |
| mat_values.push_back(vec3<f32>(static_cast<float>(1 + (i * 2)), |
| static_cast<float>(2 + (i * 2)), |
| static_cast<float>(3 + (i * 2)))); |
| } |
| |
| auto* expr = Construct(ty.mat2x3<f32>(), mat_values); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| |
| // A matrix of type T with n columns and m rows can also be constructed from |
| // n vectors of type T with m components. |
| EXPECT_EQ(gen.result(), |
| "float2x3(float3(1.0f, 2.0f, 3.0f), float3(3.0f, 4.0f, 5.0f))"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitConstructor_Type_Array) { |
| ast::type::Array ary(ty.vec3<f32>(), 3, ast::ArrayDecorationList{}); |
| |
| ast::ExpressionList ary_values; |
| |
| for (size_t i = 0; i < 3; i++) { |
| ary_values.push_back(vec3<f32>(static_cast<float>(1 + (i * 3)), |
| static_cast<float>(2 + (i * 3)), |
| static_cast<float>(3 + (i * 3)))); |
| } |
| |
| auto* expr = Construct(&ary, ary_values); |
| ASSERT_TRUE(gen.EmitConstructor(expr)) << gen.error(); |
| EXPECT_EQ(gen.result(), |
| "{float3(1.0f, 2.0f, 3.0f), float3(4.0f, 5.0f, 6.0f), " |
| "float3(7.0f, 8.0f, 9.0f)}"); |
| } |
| |
| // TODO(dsinclair): Add struct constructor test. |
| TEST_F(MslGeneratorImplTest, DISABLED_EmitConstructor_Type_Struct) {} |
| |
| } // namespace |
| } // namespace msl |
| } // namespace writer |
| } // namespace tint |