crashpad/snapshot/mac/system_snapshot_mac_test.cc
Mark Mentovai 5412beb633 mac: Replace MacOSXMinorVersion with MacOSVersionNumber
MacOSXMinorVersion reported just the “y” value for an OS version 10.y.z.
This is no longer sufficient to identify OS versions accurately in macOS
11. A new MacOSVersionNumber function reports the full OS version as
“xxyyzz” for an OS version x.y.z. This is the same format used by
<Availability.h> __MAC_* macros since 10.10.

MacOSXVersion is also renamed to MacOSVersionComponents for
disambiguation and proper modern nomenclature.

Bug: crashpad:347
Test: crashpad_snapshot_test SystemSnapshotMacTest.OSVersion, crashpad_util_test MacUtil.MacOSVersionNumber
Change-Id: I66421954f021c0627095474cb26359970fcd9101
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2386386
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
2020-09-04 02:53:35 +00:00

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// 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/mac/system_snapshot_mac.h"
#include <sys/time.h>
#include <string>
#include "build/build_config.h"
#include "gtest/gtest.h"
#include "snapshot/mac/process_reader_mac.h"
#include "test/errors.h"
#include "util/mac/mac_util.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 ProcessReaderMac and timeval, along with the checks to verify that these
// operations succeed. This test fixture class handles the initialization work
// so that individual tests dont 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(gettimeofday(&snapshot_time_, nullptr), 0)
<< ErrnoMessage("gettimeofday");
system_snapshot_.Initialize(&process_reader_, &snapshot_time_);
}
private:
ProcessReaderMac 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(cpu_architecture, kCPUArchitectureX86);
#elif defined(ARCH_CPU_X86_64)
EXPECT_EQ(cpu_architecture, kCPUArchitectureX86_64);
#elif defined(ARCH_CPU_ARM64)
EXPECT_EQ(cpu_architecture, kCPUArchitectureARM64);
#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 heres a small nod to the
// “Hackintosh” crowd.
if (cpu_vendor != "GenuineIntel" && cpu_vendor != "AuthenticAMD") {
FAIL() << "cpu_vendor " << cpu_vendor;
}
#elif defined(ARCH_CPU_ARM64)
EXPECT_EQ(cpu_vendor, "Apple processor");
#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(system_snapshot().GetOperatingSystem(),
SystemSnapshot::kOperatingSystemMacOSX);
}
TEST_F(SystemSnapshotMacTest, OSVersion) {
int major;
int minor;
int bugfix;
std::string build;
system_snapshot().OSVersion(&major, &minor, &bugfix, &build);
const int macos_version_number = MacOSVersionNumber();
EXPECT_EQ(major * 1'00'00 + minor * 1'00 +
(macos_version_number >= 10'12'00 ? bugfix : 0),
macos_version_number);
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, NXEnabled) {
// Assume NX will always be enabled, as it was always enabled by default on
// all supported versions of macOS.
EXPECT_TRUE(system_snapshot().NXEnabled());
}
} // namespace
} // namespace test
} // namespace crashpad