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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 "src/ast/call_statement.h"
#include "src/writer/msl/test_helper.h"
namespace tint {
namespace writer {
namespace msl {
namespace {
using MslGeneratorImplTest = TestHelper;
TEST_F(MslGeneratorImplTest, EmitExpression_Call_WithoutParams) {
Func("my_func", {}, ty.f32(), {Return(1.23f)});
auto* call = Call("my_func");
WrapInFunction(call);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, call)) << gen.error();
EXPECT_EQ(out.str(), "my_func()");
}
TEST_F(MslGeneratorImplTest, EmitExpression_Call_WithParams) {
Func("my_func",
{
Param(Sym(), ty.f32()),
Param(Sym(), ty.f32()),
},
ty.f32(), {Return(1.23f)});
Global("param1", ty.f32(), ast::StorageClass::kPrivate);
Global("param2", ty.f32(), ast::StorageClass::kPrivate);
auto* call = Call("my_func", "param1", "param2");
WrapInFunction(call);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, call)) << gen.error();
EXPECT_EQ(out.str(), "my_func(param1, param2)");
}
TEST_F(MslGeneratorImplTest, EmitStatement_Call) {
Func("my_func",
{
Param(Sym(), ty.f32()),
Param(Sym(), ty.f32()),
},
ty.void_(), ast::StatementList{}, ast::DecorationList{});
Global("param1", ty.f32(), ast::StorageClass::kPrivate);
Global("param2", ty.f32(), ast::StorageClass::kPrivate);
auto* call = Call("my_func", "param1", "param2");
auto* stmt = create<ast::CallStatement>(call);
WrapInFunction(stmt);
GeneratorImpl& gen = Build();
gen.increment_indent();
ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error();
EXPECT_EQ(gen.result(), " my_func(param1, param2);\n");
}
} // namespace
} // namespace msl
} // namespace writer
} // namespace tint