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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 <memory>
#include <vector>
#include "gtest/gtest.h"
#include "src/ast/constant_id_decoration.h"
#include "src/ast/float_literal.h"
#include "src/ast/module.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/type/array_type.h"
#include "src/ast/type/f32_type.h"
#include "src/ast/type_constructor_expression.h"
#include "src/ast/variable.h"
#include "src/writer/msl/generator_impl.h"
#include "src/writer/msl/test_helper.h"
namespace tint {
namespace writer {
namespace msl {
namespace {
using MslGeneratorImplTest = TestHelper;
TEST_F(MslGeneratorImplTest, Emit_ModuleConstant) {
auto* var =
Const("pos", ast::StorageClass::kNone, ty.array<f32, 3>(),
array<f32, 3>(1.f, 2.f, 3.f), ast::VariableDecorationList{});
ASSERT_TRUE(gen.EmitProgramConstVariable(var)) << gen.error();
EXPECT_EQ(gen.result(), "constant float pos[3] = {1.0f, 2.0f, 3.0f};\n");
}
TEST_F(MslGeneratorImplTest, Emit_SpecConstant) {
auto* var = Const("pos", ast::StorageClass::kNone, ty.f32, Expr(3.f),
ast::VariableDecorationList{
create<ast::ConstantIdDecoration>(23),
});
ASSERT_TRUE(gen.EmitProgramConstVariable(var)) << gen.error();
EXPECT_EQ(gen.result(), "constant float pos [[function_constant(23)]];\n");
}
} // namespace
} // namespace msl
} // namespace writer
} // namespace tint