sandboxed-api/sandboxed_api/tools/clang_generator/emitter_test.cc

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// Copyright 2020 Google LLC
//
// 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 "sandboxed_api/tools/clang_generator/emitter.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/strings/string_view.h"
#include "sandboxed_api/util/status_matchers.h"
namespace sapi {
namespace {
using ::testing::MatchesRegex;
using ::testing::StrEq;
using ::testing::StrNe;
TEST(IncludeGuard, CreatesRandomizedGuardForEmptyFilename) {
// Copybara will transform the string. This is intentional.
constexpr absl::string_view kGeneratedHeaderPrefix =
"SANDBOXED_API_GENERATED_HEADER_";
const std::string include_guard = GetIncludeGuard("");
EXPECT_THAT(include_guard, MatchesRegex(absl::StrCat(kGeneratedHeaderPrefix,
R"([0-9A-F]+_)")));
EXPECT_THAT(GetIncludeGuard(""), StrNe(include_guard));
}
TEST(IncludeGuard, BasicFunctionality) {
EXPECT_THAT(GetIncludeGuard("boost/graph/compressed_sparse_row_graph.hpp"),
StrEq("BOOST_GRAPH_COMPRESSED_SPARSE_ROW_GRAPH_HPP_"));
// "SAPI_" prefix is there to avoid generating guards starting with "_"
EXPECT_THAT(GetIncludeGuard("/usr/include/unistd.h"),
StrEq("SAPI_USR_INCLUDE_UNISTD_H_"));
}
TEST(IncludeGuard, AvoidReservedIdentifiers) {
EXPECT_THAT(GetIncludeGuard("9p.h"), StrEq("SAPI_9P_H_"));
EXPECT_THAT(GetIncludeGuard("double__under.h"), StrEq("DOUBLE_UNDER_H_"));
EXPECT_THAT(GetIncludeGuard("_single.h"), StrEq("SAPI_SINGLE_H_"));
EXPECT_THAT(GetIncludeGuard("__double.h"), StrEq("SAPI_DOUBLE_H_"));
}
} // namespace
} // namespace sapi