src/tint/lang/glsl/writer/ast_printer/constructor_test.cc - dawn - Git at Google

 // Copyright 2021 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
 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 #include "gmock/gmock.h"
 #include "src/tint/lang/glsl/writer/ast_printer/helper_test.h"

 namespace tint::glsl::writer {
 namespace {

 using ::testing::HasSubstr;
 using namespace tint::core::fluent_types;     // NOLINT
 using namespace tint::core::number_suffixes;  // NOLINT

 using GlslASTPrinterTest_Constructor = TestHelper;

 TEST_F(GlslASTPrinterTest_Constructor, Bool) {
     WrapInFunction(Expr(false));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("false"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Int) {
     WrapInFunction(Expr(-12345_i));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, UInt) {
     WrapInFunction(Expr(56779_u));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("56779u"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Float) {
     // Use a number close to 1<<30 but whose decimal representation ends in 0.
     WrapInFunction(Expr(f32((1 << 30) - 4)));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("1073741824.0f"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, F16) {
     Enable(wgsl::Extension::kF16);

     // Use a number close to 1<<16 but whose decimal representation ends in 0.
     WrapInFunction(Expr(f16((1 << 15) - 8)));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("32752.0hf"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Float) {
     WrapInFunction(Call<f32>(-1.2e-5_f));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("-0.00001200000042445026f"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_F16) {
     Enable(wgsl::Extension::kF16);

     WrapInFunction(Call<f16>(-1.2e-3_h));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("-0.0011997222900390625hf"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Bool) {
     WrapInFunction(Call<bool>(true));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("true"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Int) {
     WrapInFunction(Call<i32>(-12345_i));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Uint) {
     WrapInFunction(Call<u32>(12345_u));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("12345u"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_F32) {
     WrapInFunction(Call<vec3<f32>>(1_f, 2_f, 3_f));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("vec3(1.0f, 2.0f, 3.0f)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_F16) {
     Enable(wgsl::Extension::kF16);

     WrapInFunction(Call<vec3<f16>>(1_h, 2_h, 3_h));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(1.0hf, 2.0hf, 3.0hf)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_Empty_F32) {
     WrapInFunction(Call<vec3<f32>>());

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("vec3(0.0f)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_Empty_F16) {
     Enable(wgsl::Extension::kF16);

     WrapInFunction(Call<vec3<f16>>());

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(0.0hf)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F32_Literal) {
     WrapInFunction(Call<vec3<f32>>(2_f));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("vec3(2.0f)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F16_Literal) {
     Enable(wgsl::Extension::kF16);

     WrapInFunction(Call<vec3<f16>>(2_h));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(2.0hf)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F32_Var) {
     auto* var = Var("v", Expr(2_f));
     auto* cast = Call<vec3<f32>>(var);
     WrapInFunction(var, cast);

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr(R"(float v = 2.0f;
   vec3 tint_symbol = vec3(v);)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F16_Var) {
     Enable(wgsl::Extension::kF16);

     auto* var = Var("v", Expr(2_h));
     auto* cast = Call<vec3<f16>>(var);
     WrapInFunction(var, cast);

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr(R"(float16_t v = 2.0hf;
   f16vec3 tint_symbol = f16vec3(v);)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Bool) {
     WrapInFunction(Call<vec3<bool>>(true));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("bvec3(true)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Int) {
     WrapInFunction(Call<vec3<i32>>(2_i));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("ivec3(2)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_UInt) {
     WrapInFunction(Call<vec3<u32>>(2_u));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("uvec3(2u)"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_F32) {
     WrapInFunction(
         Call<mat2x3<f32>>(Call<vec3<f32>>(1_f, 2_f, 3_f), Call<vec3<f32>>(3_f, 4_f, 5_f)));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("mat2x3(vec3(1.0f, 2.0f, 3.0f), vec3(3.0f, 4.0f, 5.0f))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_F16) {
     Enable(wgsl::Extension::kF16);

     WrapInFunction(
         Call<mat2x3<f16>>(Call<vec3<f16>>(1_h, 2_h, 3_h), Call<vec3<f16>>(3_h, 4_h, 5_h)));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(),
                 HasSubstr("f16mat2x3(f16vec3(1.0hf, 2.0hf, 3.0hf), f16vec3(3.0hf, 4.0hf, 5.0hf))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Complex_F32) {
     // mat4x4<f32>(
     //     vec4<f32>(2.0f, 3.0f, 4.0f, 8.0f),
     //     vec4<f32>(),
     //     vec4<f32>(7.0f),
     //     vec4<f32>(vec4<f32>(42.0f, 21.0f, 6.0f, -5.0f)),
     //   );
     auto* vector_literal =
         Call<vec4<f32>>(Expr(f32(2.0)), Expr(f32(3.0)), Expr(f32(4.0)), Expr(f32(8.0)));
     auto* vector_zero_init = Call<vec4<f32>>();
     auto* vector_single_scalar_init = Call<vec4<f32>>(Expr(f32(7.0)));
     auto* vector_identical_init = Call<vec4<f32>>(
         Call<vec4<f32>>(Expr(f32(42.0)), Expr(f32(21.0)), Expr(f32(6.0)), Expr(f32(-5.0))));

     auto* ctor = Call<mat4x4<f32>>(vector_literal, vector_zero_init, vector_single_scalar_init,
                                    vector_identical_init);

     WrapInFunction(ctor);

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("mat4(vec4(2.0f, 3.0f, 4.0f, 8.0f), vec4(0.0f), "
                                         "vec4(7.0f), vec4(42.0f, 21.0f, 6.0f, -5.0f))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Complex_F16) {
     // mat4x4<f16>(
     //     vec4<f16>(2.0h, 3.0h, 4.0h, 8.0h),
     //     vec4<f16>(),
     //     vec4<f16>(7.0h),
     //     vec4<f16>(vec4<f16>(42.0h, 21.0h, 6.0h, -5.0h)),
     //   );
     Enable(wgsl::Extension::kF16);

     auto* vector_literal =
         Call<vec4<f16>>(Expr(f16(2.0)), Expr(f16(3.0)), Expr(f16(4.0)), Expr(f16(8.0)));
     auto* vector_zero_init = Call<vec4<f16>>();
     auto* vector_single_scalar_init = Call<vec4<f16>>(Expr(f16(7.0)));
     auto* vector_identical_init = Call<vec4<f16>>(
         Call<vec4<f16>>(Expr(f16(42.0)), Expr(f16(21.0)), Expr(f16(6.0)), Expr(f16(-5.0))));

     auto* ctor = Call<mat4x4<f16>>(vector_literal, vector_zero_init, vector_single_scalar_init,
                                    vector_identical_init);

     WrapInFunction(ctor);

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(),
                 HasSubstr("f16mat4(f16vec4(2.0hf, 3.0hf, 4.0hf, 8.0hf), f16vec4(0.0hf), "
                           "f16vec4(7.0hf), f16vec4(42.0hf, 21.0hf, 6.0hf, -5.0hf))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Empty_F32) {
     WrapInFunction(Call<mat2x3<f32>>());

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("mat2x3 tint_symbol = mat2x3(vec3(0.0f), vec3(0.0f))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Empty_F16) {
     Enable(wgsl::Extension::kF16);

     WrapInFunction(Call<mat2x3<f16>>());

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(),
                 HasSubstr("f16mat2x3 tint_symbol = f16mat2x3(f16vec3(0.0hf), f16vec3(0.0hf))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Identity_F32) {
     // fn f() {
     //     var m_1: mat4x4<f32> = mat4x4<f32>();
     //     var m_2: mat4x4<f32> = mat4x4<f32>(m_1);
     // }

     auto* m_1 = Var("m_1", ty.mat4x4(ty.f32()), Call<mat4x4<f32>>());
     auto* m_2 = Var("m_2", ty.mat4x4(ty.f32()), Call<mat4x4<f32>>(m_1));

     WrapInFunction(m_1, m_2);

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("mat4 m_2 = mat4(m_1);"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Identity_F16) {
     // fn f() {
     //     var m_1: mat4x4<f16> = mat4x4<f16>();
     //     var m_2: mat4x4<f16> = mat4x4<f16>(m_1);
     // }

     Enable(wgsl::Extension::kF16);

     auto* m_1 = Var("m_1", ty.mat4x4(ty.f16()), Call<mat4x4<f16>>());
     auto* m_2 = Var("m_2", ty.mat4x4(ty.f16()), Call<mat4x4<f16>>(m_1));

     WrapInFunction(m_1, m_2);

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("f16mat4 m_2 = f16mat4(m_1);"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Array) {
     WrapInFunction(Call<array<vec3<f32>, 3>>(Call<vec3<f32>>(1_f, 2_f, 3_f),
                                              Call<vec3<f32>>(4_f, 5_f, 6_f),
                                              Call<vec3<f32>>(7_f, 8_f, 9_f)));

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("vec3[3](vec3(1.0f, 2.0f, 3.0f), "
                                         "vec3(4.0f, 5.0f, 6.0f), "
                                         "vec3(7.0f, 8.0f, 9.0f))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Array_Empty) {
     WrapInFunction(Call<array<vec3<f32>, 3>>());

     ASTPrinter& gen = Build();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("vec3[3](vec3(0.0f), vec3(0.0f), vec3(0.0f))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Struct) {
     auto* str = Structure("S", Vector{
                                    Member("a", ty.i32()),
                                    Member("b", ty.f32()),
                                    Member("c", ty.vec3<i32>()),
                                });

     WrapInFunction(Call(ty.Of(str), 1_i, 2_f, Call<vec3<i32>>(3_i, 4_i, 5_i)));

     ASTPrinter& gen = SanitizeAndBuild();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("S(1, 2.0f, ivec3(3, 4, 5))"));
 }

 TEST_F(GlslASTPrinterTest_Constructor, Type_Struct_Empty) {
     auto* str = Structure("S", Vector{
                                    Member("a", ty.i32()),
                                    Member("b", ty.f32()),
                                    Member("c", ty.vec3<i32>()),
                                });

     WrapInFunction(Call(ty.Of(str)));

     ASTPrinter& gen = SanitizeAndBuild();
     gen.Generate();
     EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
     EXPECT_THAT(gen.Result(), HasSubstr("S(0"));
 }

 }  // namespace
 }  // namespace tint::glsl::writer
	// Copyright 2021 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
	// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
	// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	#include "gmock/gmock.h"
	#include "src/tint/lang/glsl/writer/ast_printer/helper_test.h"

	namespace tint::glsl::writer {
	namespace {

	using ::testing::HasSubstr;
	using namespace tint::core::fluent_types; // NOLINT
	using namespace tint::core::number_suffixes; // NOLINT

	using GlslASTPrinterTest_Constructor = TestHelper;

	TEST_F(GlslASTPrinterTest_Constructor, Bool) {
	WrapInFunction(Expr(false));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("false"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Int) {
	WrapInFunction(Expr(-12345_i));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, UInt) {
	WrapInFunction(Expr(56779_u));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("56779u"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Float) {
	// Use a number close to 1<<30 but whose decimal representation ends in 0.
	WrapInFunction(Expr(f32((1 << 30) - 4)));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("1073741824.0f"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, F16) {
	Enable(wgsl::Extension::kF16);

	// Use a number close to 1<<16 but whose decimal representation ends in 0.
	WrapInFunction(Expr(f16((1 << 15) - 8)));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("32752.0hf"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Float) {
	WrapInFunction(Call<f32>(-1.2e-5_f));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("-0.00001200000042445026f"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_F16) {
	Enable(wgsl::Extension::kF16);

	WrapInFunction(Call<f16>(-1.2e-3_h));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("-0.0011997222900390625hf"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Bool) {
	WrapInFunction(Call<bool>(true));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("true"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Int) {
	WrapInFunction(Call<i32>(-12345_i));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Uint) {
	WrapInFunction(Call<u32>(12345_u));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("12345u"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_F32) {
	WrapInFunction(Call<vec3<f32>>(1_f, 2_f, 3_f));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("vec3(1.0f, 2.0f, 3.0f)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_F16) {
	Enable(wgsl::Extension::kF16);

	WrapInFunction(Call<vec3<f16>>(1_h, 2_h, 3_h));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(1.0hf, 2.0hf, 3.0hf)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_Empty_F32) {
	WrapInFunction(Call<vec3<f32>>());

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("vec3(0.0f)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_Empty_F16) {
	Enable(wgsl::Extension::kF16);

	WrapInFunction(Call<vec3<f16>>());

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(0.0hf)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F32_Literal) {
	WrapInFunction(Call<vec3<f32>>(2_f));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("vec3(2.0f)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F16_Literal) {
	Enable(wgsl::Extension::kF16);

	WrapInFunction(Call<vec3<f16>>(2_h));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(2.0hf)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F32_Var) {
	auto* var = Var("v", Expr(2_f));
	auto* cast = Call<vec3<f32>>(var);
	WrapInFunction(var, cast);

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr(R"(float v = 2.0f;
	vec3 tint_symbol = vec3(v);)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F16_Var) {
	Enable(wgsl::Extension::kF16);

	auto* var = Var("v", Expr(2_h));
	auto* cast = Call<vec3<f16>>(var);
	WrapInFunction(var, cast);

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr(R"(float16_t v = 2.0hf;
	f16vec3 tint_symbol = f16vec3(v);)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Bool) {
	WrapInFunction(Call<vec3<bool>>(true));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("bvec3(true)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Int) {
	WrapInFunction(Call<vec3<i32>>(2_i));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("ivec3(2)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_UInt) {
	WrapInFunction(Call<vec3<u32>>(2_u));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("uvec3(2u)"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_F32) {
	WrapInFunction(
	Call<mat2x3<f32>>(Call<vec3<f32>>(1_f, 2_f, 3_f), Call<vec3<f32>>(3_f, 4_f, 5_f)));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("mat2x3(vec3(1.0f, 2.0f, 3.0f), vec3(3.0f, 4.0f, 5.0f))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_F16) {
	Enable(wgsl::Extension::kF16);

	WrapInFunction(
	Call<mat2x3<f16>>(Call<vec3<f16>>(1_h, 2_h, 3_h), Call<vec3<f16>>(3_h, 4_h, 5_h)));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(),
	HasSubstr("f16mat2x3(f16vec3(1.0hf, 2.0hf, 3.0hf), f16vec3(3.0hf, 4.0hf, 5.0hf))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Complex_F32) {
	// mat4x4<f32>(
	// vec4<f32>(2.0f, 3.0f, 4.0f, 8.0f),
	// vec4<f32>(),
	// vec4<f32>(7.0f),
	// vec4<f32>(vec4<f32>(42.0f, 21.0f, 6.0f, -5.0f)),
	// );
	auto* vector_literal =
	Call<vec4<f32>>(Expr(f32(2.0)), Expr(f32(3.0)), Expr(f32(4.0)), Expr(f32(8.0)));
	auto* vector_zero_init = Call<vec4<f32>>();
	auto* vector_single_scalar_init = Call<vec4<f32>>(Expr(f32(7.0)));
	auto* vector_identical_init = Call<vec4<f32>>(
	Call<vec4<f32>>(Expr(f32(42.0)), Expr(f32(21.0)), Expr(f32(6.0)), Expr(f32(-5.0))));

	auto* ctor = Call<mat4x4<f32>>(vector_literal, vector_zero_init, vector_single_scalar_init,
	vector_identical_init);

	WrapInFunction(ctor);

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("mat4(vec4(2.0f, 3.0f, 4.0f, 8.0f), vec4(0.0f), "
	"vec4(7.0f), vec4(42.0f, 21.0f, 6.0f, -5.0f))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Complex_F16) {
	// mat4x4<f16>(
	// vec4<f16>(2.0h, 3.0h, 4.0h, 8.0h),
	// vec4<f16>(),
	// vec4<f16>(7.0h),
	// vec4<f16>(vec4<f16>(42.0h, 21.0h, 6.0h, -5.0h)),
	// );
	Enable(wgsl::Extension::kF16);

	auto* vector_literal =
	Call<vec4<f16>>(Expr(f16(2.0)), Expr(f16(3.0)), Expr(f16(4.0)), Expr(f16(8.0)));
	auto* vector_zero_init = Call<vec4<f16>>();
	auto* vector_single_scalar_init = Call<vec4<f16>>(Expr(f16(7.0)));
	auto* vector_identical_init = Call<vec4<f16>>(
	Call<vec4<f16>>(Expr(f16(42.0)), Expr(f16(21.0)), Expr(f16(6.0)), Expr(f16(-5.0))));

	auto* ctor = Call<mat4x4<f16>>(vector_literal, vector_zero_init, vector_single_scalar_init,
	vector_identical_init);

	WrapInFunction(ctor);

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(),
	HasSubstr("f16mat4(f16vec4(2.0hf, 3.0hf, 4.0hf, 8.0hf), f16vec4(0.0hf), "
	"f16vec4(7.0hf), f16vec4(42.0hf, 21.0hf, 6.0hf, -5.0hf))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Empty_F32) {
	WrapInFunction(Call<mat2x3<f32>>());

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("mat2x3 tint_symbol = mat2x3(vec3(0.0f), vec3(0.0f))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Empty_F16) {
	Enable(wgsl::Extension::kF16);

	WrapInFunction(Call<mat2x3<f16>>());

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(),
	HasSubstr("f16mat2x3 tint_symbol = f16mat2x3(f16vec3(0.0hf), f16vec3(0.0hf))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Identity_F32) {
	// fn f() {
	// var m_1: mat4x4<f32> = mat4x4<f32>();
	// var m_2: mat4x4<f32> = mat4x4<f32>(m_1);
	// }

	auto* m_1 = Var("m_1", ty.mat4x4(ty.f32()), Call<mat4x4<f32>>());
	auto* m_2 = Var("m_2", ty.mat4x4(ty.f32()), Call<mat4x4<f32>>(m_1));

	WrapInFunction(m_1, m_2);

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("mat4 m_2 = mat4(m_1);"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Identity_F16) {
	// fn f() {
	// var m_1: mat4x4<f16> = mat4x4<f16>();
	// var m_2: mat4x4<f16> = mat4x4<f16>(m_1);
	// }

	Enable(wgsl::Extension::kF16);

	auto* m_1 = Var("m_1", ty.mat4x4(ty.f16()), Call<mat4x4<f16>>());
	auto* m_2 = Var("m_2", ty.mat4x4(ty.f16()), Call<mat4x4<f16>>(m_1));

	WrapInFunction(m_1, m_2);

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("f16mat4 m_2 = f16mat4(m_1);"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Array) {
	WrapInFunction(Call<array<vec3<f32>, 3>>(Call<vec3<f32>>(1_f, 2_f, 3_f),
	Call<vec3<f32>>(4_f, 5_f, 6_f),
	Call<vec3<f32>>(7_f, 8_f, 9_f)));

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("vec3[3](vec3(1.0f, 2.0f, 3.0f), "
	"vec3(4.0f, 5.0f, 6.0f), "
	"vec3(7.0f, 8.0f, 9.0f))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Array_Empty) {
	WrapInFunction(Call<array<vec3<f32>, 3>>());

	ASTPrinter& gen = Build();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("vec3[3](vec3(0.0f), vec3(0.0f), vec3(0.0f))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Struct) {
	auto* str = Structure("S", Vector{
	Member("a", ty.i32()),
	Member("b", ty.f32()),
	Member("c", ty.vec3<i32>()),
	});

	WrapInFunction(Call(ty.Of(str), 1_i, 2_f, Call<vec3<i32>>(3_i, 4_i, 5_i)));

	ASTPrinter& gen = SanitizeAndBuild();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("S(1, 2.0f, ivec3(3, 4, 5))"));
	}

	TEST_F(GlslASTPrinterTest_Constructor, Type_Struct_Empty) {
	auto* str = Structure("S", Vector{
	Member("a", ty.i32()),
	Member("b", ty.f32()),
	Member("c", ty.vec3<i32>()),
	});

	WrapInFunction(Call(ty.Of(str)));

	ASTPrinter& gen = SanitizeAndBuild();
	gen.Generate();
	EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
	EXPECT_THAT(gen.Result(), HasSubstr("S(0"));
	}

	} // namespace
	} // namespace tint::glsl::writer