blob: ff1dfb9f2ed9ee85ca4e9fe716b91e37173a9db8 [file] [log] [blame]
// 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/writer/ast_printer/test_helper.h"
#include "src/tint/utils/text/string_stream.h"
#include "gmock/gmock.h"
using namespace tint::number_suffixes; // NOLINT
namespace tint::wgsl::writer {
namespace {
using WgslASTPrinterTest = TestHelper;
TEST_F(WgslASTPrinterTest, IndexAccessor) {
GlobalVar("ary", ty.array<i32, 10>(), builtin::AddressSpace::kPrivate);
auto* expr = IndexAccessor("ary", 5_i);
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitExpression(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), "ary[5i]");
}
TEST_F(WgslASTPrinterTest, IndexAccessor_OfDref) {
GlobalVar("ary", ty.array<i32, 10>(), builtin::AddressSpace::kPrivate);
auto* p = Let("p", AddressOf("ary"));
auto* expr = IndexAccessor(Deref("p"), 5_i);
WrapInFunction(p, expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitExpression(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), "(*(p))[5i]");
}
} // namespace
} // namespace tint::wgsl::writer