| // 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/wgsl/ast/variable_decl_statement.h" |
| #include "src/tint/lang/wgsl/writer/ast_printer/helper_test.h" |
| |
| #include "gmock/gmock.h" |
| |
| namespace tint::wgsl::writer { |
| namespace { |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| using WgslASTPrinterTest = TestHelper; |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement) { |
| auto* var = Var("a", ty.f32()); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| ASTPrinter& gen = Build(); |
| |
| gen.IncrementIndent(); |
| |
| gen.EmitStatement(stmt); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), " var a : f32;\n"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_InferredType) { |
| auto* var = Var("a", Expr(123_i)); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| ASTPrinter& gen = Build(); |
| |
| gen.IncrementIndent(); |
| |
| gen.EmitStatement(stmt); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), " var a = 123i;\n"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_AInt) { |
| auto* C = Const("C", Expr(1_a)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = 1; |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_AFloat) { |
| auto* C = Const("C", Expr(1._a)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = 1.0; |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_i32) { |
| auto* C = Const("C", Expr(1_i)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = 1i; |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_u32) { |
| auto* C = Const("C", Expr(1_u)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = 1u; |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_f32) { |
| auto* C = Const("C", Expr(1_f)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = 1.0f; |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_f16) { |
| Enable(core::Extension::kF16); |
| |
| auto* C = Const("C", Expr(1_h)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(enable f16; |
| |
| fn f() { |
| const C = 1.0h; |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_vec3_AInt) { |
| auto* C = Const("C", Call<vec3<Infer>>(1_a, 2_a, 3_a)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = vec3(1, 2, 3); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_vec3_AFloat) { |
| auto* C = Const("C", Call<vec3<Infer>>(1._a, 2._a, 3._a)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = vec3(1.0, 2.0, 3.0); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_vec3_f32) { |
| auto* C = Const("C", Call<vec3<f32>>(1_f, 2_f, 3_f)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = vec3<f32>(1.0f, 2.0f, 3.0f); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_vec3_f16) { |
| Enable(core::Extension::kF16); |
| |
| auto* C = Const("C", Call<vec3<f16>>(1_h, 2_h, 3_h)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(enable f16; |
| |
| fn f() { |
| const C = vec3<f16>(1.0h, 2.0h, 3.0h); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_mat2x3_AFloat) { |
| auto* C = Const("C", Call<mat2x3<Infer>>(1._a, 2._a, 3._a, 4._a, 5._a, 6._a)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = mat2x3(1.0, 2.0, 3.0, 4.0, 5.0, 6.0); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_mat2x3_f32) { |
| auto* C = Const("C", Call<mat2x3<f32>>(1_f, 2_f, 3_f, 4_f, 5_f, 6_f)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = mat2x3<f32>(1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_mat2x3_f16) { |
| Enable(core::Extension::kF16); |
| |
| auto* C = Const("C", Call<mat2x3<f16>>(1_h, 2_h, 3_h, 4_h, 5_h, 6_h)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(enable f16; |
| |
| fn f() { |
| const C = mat2x3<f16>(1.0h, 2.0h, 3.0h, 4.0h, 5.0h, 6.0h); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_arr_f32) { |
| auto* C = Const("C", Call<array<f32, 3>>(1_f, 2_f, 3_f)); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = array<f32, 3u>(1.0f, 2.0f, 3.0f); |
| let l = C; |
| } |
| )"); |
| } |
| |
| TEST_F(WgslASTPrinterTest, Emit_VariableDeclStatement_Const_arr_vec2_bool) { |
| auto* C = Const("C", Call<array<vec2<bool>, 3>>( // |
| Call<vec2<bool>>(true, false), // |
| Call<vec2<bool>>(false, true), // |
| Call<vec2<bool>>(true, true))); |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| ASTPrinter& gen = Build(); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(fn f() { |
| const C = array<vec2<bool>, 3u>(vec2<bool>(true, false), vec2<bool>(false, true), vec2<bool>(true, true)); |
| let l = C; |
| } |
| )"); |
| } |
| } // namespace |
| } // namespace tint::wgsl::writer |