Create snapshot/mac and move some files from snapshot and util to there

snapshot/system_snapshot_mac_test.cc

-// Copyright 2014 The Crashpad Authors. All rights reserved.
-//
-// 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 "snapshot/system_snapshot_mac.h"
-
-#include <sys/time.h>
-#include <time.h>
-
-#include <string>
-
-#include "build/build_config.h"
-#include "gtest/gtest.h"
-#include "util/mac/mac_util.h"
-#include "util/mac/process_reader.h"
-#include "util/test/errors.h"
-
-namespace crashpad {
-namespace test {
-namespace {
-
-// SystemSnapshotMac objects would be cumbersome to construct in each test that
-// requires one, because of the repetitive and mechanical work necessary to set
-// up a ProcessReader and timeval, along with the checks to verify that these
-// operations succeed. This test fixture class handles the initialization work
-// so that individual tests don’t have to.
-class SystemSnapshotMacTest : public testing::Test {
- public:
-  SystemSnapshotMacTest()
-      : Test(),
-        process_reader_(),
-        snapshot_time_(),
-        system_snapshot_() {
-  }
-
-  const internal::SystemSnapshotMac& system_snapshot() const {
-    return system_snapshot_;
-  }
-
-  // testing::Test:
-  void SetUp() override {
-    ASSERT_TRUE(process_reader_.Initialize(mach_task_self()));
-    ASSERT_EQ(0, gettimeofday(&snapshot_time_, nullptr))
-        << ErrnoMessage("gettimeofday");
-    system_snapshot_.Initialize(&process_reader_, &snapshot_time_);
-  }
-
- private:
-  ProcessReader process_reader_;
-  timeval snapshot_time_;
-  internal::SystemSnapshotMac system_snapshot_;
-
-  DISALLOW_COPY_AND_ASSIGN(SystemSnapshotMacTest);
-};
-
-TEST_F(SystemSnapshotMacTest, GetCPUArchitecture) {
-  CPUArchitecture cpu_architecture = system_snapshot().GetCPUArchitecture();
-
-#if defined(ARCH_CPU_X86)
-  EXPECT_EQ(kCPUArchitectureX86, cpu_architecture);
-#elif defined(ARCH_CPU_X86_64)
-  EXPECT_EQ(kCPUArchitectureX86_64, cpu_architecture);
-#else
-#error port to your architecture
-#endif
-}
-
-TEST_F(SystemSnapshotMacTest, CPUCount) {
-  EXPECT_GE(system_snapshot().CPUCount(), 1);
-}
-
-TEST_F(SystemSnapshotMacTest, CPUVendor) {
-  std::string cpu_vendor = system_snapshot().CPUVendor();
-
-#if defined(ARCH_CPU_X86_FAMILY)
-  // Apple has only shipped Intel x86-family CPUs, but here’s a small nod to the
-  // “Hackintosh” crowd.
-  if (cpu_vendor != "GenuineIntel" && cpu_vendor != "AuthenticAMD") {
-    FAIL() << "cpu_vendor " << cpu_vendor;
-  }
-#else
-#error port to your architecture
-#endif
-}
-
-#if defined(ARCH_CPU_X86_FAMILY)
-
-TEST_F(SystemSnapshotMacTest, CPUX86SupportsDAZ) {
-  // All x86-family CPUs that Apple is known to have shipped should support DAZ.
-  EXPECT_TRUE(system_snapshot().CPUX86SupportsDAZ());
-}
-
-#endif
-
-TEST_F(SystemSnapshotMacTest, GetOperatingSystem) {
-  EXPECT_EQ(SystemSnapshot::kOperatingSystemMacOSX,
-            system_snapshot().GetOperatingSystem());
-}
-
-TEST_F(SystemSnapshotMacTest, OSVersion) {
-  int major;
-  int minor;
-  int bugfix;
-  std::string build;
-  system_snapshot().OSVersion(&major, &minor, &bugfix, &build);
-
-  EXPECT_EQ(10, major);
-  EXPECT_EQ(MacOSXMinorVersion(), minor);
-  EXPECT_FALSE(build.empty());
-}
-
-TEST_F(SystemSnapshotMacTest, OSVersionFull) {
-  EXPECT_FALSE(system_snapshot().OSVersionFull().empty());
-}
-
-TEST_F(SystemSnapshotMacTest, MachineDescription) {
-  EXPECT_FALSE(system_snapshot().MachineDescription().empty());
-}
-
-TEST_F(SystemSnapshotMacTest, TimeZone) {
-  SystemSnapshot::DaylightSavingTimeStatus dst_status;
-  int standard_offset_seconds;
-  int daylight_offset_seconds;
-  std::string standard_name;
-  std::string daylight_name;
-
-  system_snapshot().TimeZone(&dst_status,
-                             &standard_offset_seconds,
-                             &daylight_offset_seconds,
-                             &standard_name,
-                             &daylight_name);
-
-  // |standard_offset_seconds| gives seconds east of UTC, and |timezone| gives
-  // seconds west of UTC.
-  EXPECT_EQ(-timezone, standard_offset_seconds);
-
-  // In contemporary usage, most time zones have an integer hour offset from
-  // UTC, although several are at a half-hour offset, and two are at 15-minute
-  // offsets. Throughout history, other variations existed. See
-  // http://www.timeanddate.com/time/time-zones-interesting.html.
-  EXPECT_EQ(0, standard_offset_seconds % (15 * 60))
-      << "standard_offset_seconds " << standard_offset_seconds;
-
-  if (dst_status == SystemSnapshot::kDoesNotObserveDaylightSavingTime) {
-    EXPECT_EQ(standard_offset_seconds, daylight_offset_seconds);
-    EXPECT_EQ(standard_name, daylight_name);
-  } else {
-    EXPECT_EQ(0, daylight_offset_seconds % (15 * 60))
-        << "daylight_offset_seconds " << daylight_offset_seconds;
-
-    // In contemporary usage, dst_delta_seconds will almost always be one hour,
-    // except for Lord Howe Island, Australia, which uses a 30-minute
-    // delta. Throughout history, other variations existed. See
-    // http://www.timeanddate.com/time/dst/#brief.
-    int dst_delta_seconds = daylight_offset_seconds - standard_offset_seconds;
-    if (dst_delta_seconds != 60 * 60 && dst_delta_seconds != 30 * 60) {
-      FAIL() << "dst_delta_seconds " << dst_delta_seconds;
-    }
-
-    EXPECT_NE(standard_name, daylight_name);
-  }
-}
-
-}  // namespace
-}  // namespace test
-}  // namespace crashpad