wrap_syscall_test.cc

// Copyright 2017 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
//
//     https://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 "wrap_syscall.h"
#include "gtest/gtest.h"

TEST(WrapSyscall, Succeeds) {
  EXPECT_EQ(42, WrapSyscall("test", []() { return 42; }));
}

TEST(WrapSyscall, Fails) {
  bool caught = false;
  try {
    WrapSyscall("test", []() {
      errno = EAGAIN;
      return -1;
    });
  } catch (std::exception& e) {
    caught = true;
  }
  EXPECT_TRUE(caught);
}