| // Copyright 2020 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #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 |