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// 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 "gmock/gmock.h"
#include "src/tint/lang/msl/writer/ast_printer/helper_test.h"
namespace tint::msl::writer {
namespace {
using ::testing::HasSubstr;
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using MslASTPrinterTest_Constructor = TestHelper;
TEST_F(MslASTPrinterTest_Constructor, Bool) {
WrapInFunction(Expr(false));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("false"));
}
TEST_F(MslASTPrinterTest_Constructor, Int) {
WrapInFunction(Expr(-12345_i));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
}
TEST_F(MslASTPrinterTest_Constructor, UInt) {
WrapInFunction(Expr(56779_u));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("56779u"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("1073741824.0f"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("32752.0h"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Float) {
WrapInFunction(Call<f32>(-1.2e-5_f));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("-0.00001200000042445026f"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<f16>(-1.2e-3_h));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("-0.0011997222900390625h"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Bool) {
WrapInFunction(Call<bool>(true));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("true"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Int) {
WrapInFunction(Call<i32>(-12345_i));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Uint) {
WrapInFunction(Call<u32>(12345_u));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("12345u"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_F32) {
WrapInFunction(Call<vec3<f32>>(1_f, 2_f, 3_f));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("float3(1.0f, 2.0f, 3.0f)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<vec3<f16>>(1_h, 2_h, 3_h));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("half3(1.0h, 2.0h, 3.0h)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_Empty_F32) {
WrapInFunction(Call<vec3<f32>>());
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("float3(0.0f)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_Empty_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<vec3<f16>>());
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("half3(0.0h)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F32_Literal) {
WrapInFunction(Call<vec3<f32>>(2_f));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("float3(2.0f)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F16_Literal) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<vec3<f16>>(2_h));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("half3(2.0h)"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr(R"(float v = 2.0f;
float3 const tint_symbol = float3(v);)"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr(R"(half v = 2.0h;
half3 const tint_symbol = half3(v);)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Bool) {
WrapInFunction(Call<vec3<bool>>(true));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("bool3(true)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Int) {
WrapInFunction(Call<vec3<i32>>(2_i));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("int3(2)"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Vec_SingleScalar_UInt) {
WrapInFunction(Call<vec3<u32>>(2_u));
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("uint3(2u)"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(),
HasSubstr("float2x3(float3(1.0f, 2.0f, 3.0f), float3(3.0f, 4.0f, 5.0f))"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(),
HasSubstr("half2x3(half3(1.0h, 2.0h, 3.0h), half3(3.0h, 4.0h, 5.0h))"));
}
TEST_F(MslASTPrinterTest_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>>(f32(2.0), f32(3.0), f32(4.0), f32(8.0));
auto* vector_zero_init = Call<vec4<f32>>();
auto* vector_single_scalar_init = Call<vec4<f32>>(f32(7.0));
auto* vector_identical_init =
Call<vec4<f32>>(Call<vec4<f32>>(f32(42.0), f32(21.0), f32(6.0), f32(-5.0)));
auto* constructor = Call<mat4x4<f32>>(vector_literal, vector_zero_init,
vector_single_scalar_init, vector_identical_init);
WrapInFunction(constructor);
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("float4x4(float4(2.0f, 3.0f, 4.0f, 8.0f), float4(0.0f), "
"float4(7.0f), float4(42.0f, 21.0f, 6.0f, -5.0f))"));
}
TEST_F(MslASTPrinterTest_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>>(f16(2.0), f16(3.0), f16(4.0), f16(8.0));
auto* vector_zero_init = Call<vec4<f16>>();
auto* vector_single_scalar_init = Call<vec4<f16>>(f16(7.0));
auto* vector_identical_init =
Call<vec4<f16>>(Call<vec4<f16>>(f16(42.0), f16(21.0), f16(6.0), f16(-5.0)));
auto* constructor = Call<mat4x4<f16>>(vector_literal, vector_zero_init,
vector_single_scalar_init, vector_identical_init);
WrapInFunction(constructor);
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("half4x4(half4(2.0h, 3.0h, 4.0h, 8.0h), half4(0.0h), "
"half4(7.0h), half4(42.0h, 21.0h, 6.0h, -5.0h))"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Mat_Empty_F32) {
WrapInFunction(Call<mat2x3<f32>>());
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(),
HasSubstr("float2x3 const tint_symbol = float2x3(float3(0.0f), float3(0.0f))"));
}
TEST_F(MslASTPrinterTest_Constructor, Type_Mat_Empty_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<mat2x3<f16>>());
ASTPrinter& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(),
HasSubstr("half2x3 const tint_symbol = half2x3(half3(0.0h), half3(0.0h))"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("float4x4 m_2 = float4x4(m_1);"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("half4x4 m_2 = half4x4(m_1);"));
}
TEST_F(MslASTPrinterTest_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();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("{float3(1.0f, 2.0f, 3.0f), float3(4.0f, 5.0f, 6.0f), "
"float3(7.0f, 8.0f, 9.0f)}"));
}
TEST_F(MslASTPrinterTest_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 = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("{.a=1, .b=2.0f, .c=int3(3, 4, 5)}"));
}
TEST_F(MslASTPrinterTest_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 = Build();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_THAT(gen.Result(), HasSubstr("{}"));
EXPECT_THAT(gen.Result(), testing::Not(HasSubstr("{{}}")));
}
} // namespace
} // namespace tint::msl::writer