| // 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/lang/core/fluent_types.h" |
| #include "src/tint/lang/msl/writer/ast_printer/helper_test.h" |
| #include "src/tint/utils/text/string_stream.h" |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| |
| namespace tint::msl::writer { |
| namespace { |
| |
| using MslASTPrinterTest = TestHelper; |
| |
| TEST_F(MslASTPrinterTest, EmitExpression_MemberAccessor) { |
| GlobalVar("str", ty.Of(Structure("my_str", Vector{Member("mem", ty.f32())})), |
| core::AddressSpace::kPrivate); |
| auto* expr = MemberAccessor("str", "mem"); |
| WrapInFunction(expr); |
| |
| ASTPrinter& gen = Build(); |
| |
| StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics(); |
| EXPECT_EQ(out.str(), "str.mem"); |
| } |
| |
| TEST_F(MslASTPrinterTest, EmitExpression_MemberAccessor_Swizzle_xyz) { |
| GlobalVar("my_vec", ty.vec4<f32>(), core::AddressSpace::kPrivate); |
| |
| auto* expr = MemberAccessor("my_vec", "xyz"); |
| WrapInFunction(expr); |
| |
| ASTPrinter& gen = Build(); |
| StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics(); |
| EXPECT_EQ(out.str(), "my_vec.xyz"); |
| } |
| |
| TEST_F(MslASTPrinterTest, EmitExpression_MemberAccessor_Swizzle_gbr) { |
| GlobalVar("my_vec", ty.vec4<f32>(), core::AddressSpace::kPrivate); |
| |
| auto* expr = MemberAccessor("my_vec", "gbr"); |
| WrapInFunction(expr); |
| |
| ASTPrinter& gen = Build(); |
| StringStream out; |
| ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics(); |
| EXPECT_EQ(out.str(), "my_vec.gbr"); |
| } |
| |
| } // namespace |
| } // namespace tint::msl::writer |