| // 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" |
| |
| namespace tint::writer::hlsl { |
| namespace { |
| |
| using HlslUnaryOpTest = TestHelper; |
| |
| TEST_F(HlslUnaryOpTest, AddressOf) { |
| GlobalVar("expr", ty.f32(), builtin::AddressSpace::kPrivate); |
| auto* op = create<ast::UnaryOpExpression>(ast::UnaryOp::kAddressOf, Expr("expr")); |
| WrapInFunction(op); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, op)) << gen.error(); |
| EXPECT_EQ(out.str(), "expr"); |
| } |
| |
| TEST_F(HlslUnaryOpTest, Complement) { |
| GlobalVar("expr", ty.u32(), builtin::AddressSpace::kPrivate); |
| auto* op = create<ast::UnaryOpExpression>(ast::UnaryOp::kComplement, Expr("expr")); |
| WrapInFunction(op); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, op)) << gen.error(); |
| EXPECT_EQ(out.str(), "~(expr)"); |
| } |
| |
| TEST_F(HlslUnaryOpTest, Indirection) { |
| GlobalVar("G", ty.f32(), builtin::AddressSpace::kPrivate); |
| auto* p = Let("expr", create<ast::UnaryOpExpression>(ast::UnaryOp::kAddressOf, Expr("G"))); |
| auto* op = create<ast::UnaryOpExpression>(ast::UnaryOp::kIndirection, Expr("expr")); |
| WrapInFunction(p, op); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, op)) << gen.error(); |
| EXPECT_EQ(out.str(), "expr"); |
| } |
| |
| TEST_F(HlslUnaryOpTest, Not) { |
| GlobalVar("expr", ty.bool_(), builtin::AddressSpace::kPrivate); |
| auto* op = create<ast::UnaryOpExpression>(ast::UnaryOp::kNot, Expr("expr")); |
| WrapInFunction(op); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, op)) << gen.error(); |
| EXPECT_EQ(out.str(), "!(expr)"); |
| } |
| |
| TEST_F(HlslUnaryOpTest, Negation) { |
| GlobalVar("expr", ty.i32(), builtin::AddressSpace::kPrivate); |
| auto* op = create<ast::UnaryOpExpression>(ast::UnaryOp::kNegation, Expr("expr")); |
| WrapInFunction(op); |
| |
| GeneratorImpl& gen = Build(); |
| |
| utils::StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, op)) << gen.error(); |
| EXPECT_EQ(out.str(), "-(expr)"); |
| } |
| } // namespace |
| } // namespace tint::writer::hlsl |