// Copyright 2014 The Crashpad 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 "util/mach/mach_extensions.h"
#include "base/apple/scoped_mach_port.h"
#include "build/build_config.h"
#include "gtest/gtest.h"
#include "test/mac/mach_errors.h"
#include "util/mac/mac_util.h"
namespace crashpad {
namespace test {
namespace {
TEST(MachExtensions, MachThreadSelf) {
base::apple::ScopedMachSendRight thread_self(mach_thread_self());
EXPECT_EQ(MachThreadSelf(), thread_self);
}
TEST(MachExtensions, NewMachPort_Receive) {
base::apple::ScopedMachReceiveRight port(
NewMachPort(MACH_PORT_RIGHT_RECEIVE));
ASSERT_NE(port, kMachPortNull);
mach_port_type_t type;
kern_return_t kr = mach_port_type(mach_task_self(), port.get(), &type);
ASSERT_EQ(kr, KERN_SUCCESS) << MachErrorMessage(kr, "mach_port_get_type");
EXPECT_EQ(type, MACH_PORT_TYPE_RECEIVE);
}
TEST(MachExtensions, NewMachPort_PortSet) {
base::apple::ScopedMachPortSet port(NewMachPort(MACH_PORT_RIGHT_PORT_SET));
ASSERT_NE(port, kMachPortNull);
mach_port_type_t type;
kern_return_t kr = mach_port_type(mach_task_self(), port.get(), &type);
ASSERT_EQ(kr, KERN_SUCCESS) << MachErrorMessage(kr, "mach_port_get_type");
EXPECT_EQ(type, MACH_PORT_TYPE_PORT_SET);
}
TEST(MachExtensions, NewMachPort_DeadName) {
base::apple::ScopedMachSendRight port(NewMachPort(MACH_PORT_RIGHT_DEAD_NAME));
ASSERT_NE(port, kMachPortNull);
mach_port_type_t type;
kern_return_t kr = mach_port_type(mach_task_self(), port.get(), &type);
ASSERT_EQ(kr, KERN_SUCCESS) << MachErrorMessage(kr, "mach_port_get_type");
EXPECT_EQ(type, MACH_PORT_TYPE_DEAD_NAME);
}
constexpr exception_mask_t kExcMaskBasic =
EXC_MASK_BAD_ACCESS |
EXC_MASK_BAD_INSTRUCTION |
EXC_MASK_ARITHMETIC |
EXC_MASK_EMULATION |
EXC_MASK_SOFTWARE |
EXC_MASK_BREAKPOINT |
EXC_MASK_SYSCALL |
EXC_MASK_MACH_SYSCALL |
EXC_MASK_RPC_ALERT;
TEST(MachExtensions, ExcMaskAll) {
const exception_mask_t exc_mask_all = ExcMaskAll();
EXPECT_EQ(exc_mask_all & kExcMaskBasic, kExcMaskBasic);
EXPECT_FALSE(exc_mask_all & EXC_MASK_CRASH);
EXPECT_FALSE(exc_mask_all & EXC_MASK_CORPSE_NOTIFY);
#if BUILDFLAG(IS_IOS)
// Assume at least iOS 7 (≅ OS X 10.9).
EXPECT_TRUE(exc_mask_all & EXC_MASK_RESOURCE);
EXPECT_TRUE(exc_mask_all & EXC_MASK_GUARD);
#else // BUILDFLAG(IS_IOS)
const int macos_version_number = MacOSVersionNumber();
if (macos_version_number >= 10'08'00) {
EXPECT_TRUE(exc_mask_all & EXC_MASK_RESOURCE);
} else {
EXPECT_FALSE(exc_mask_all & EXC_MASK_RESOURCE);
}
if (macos_version_number >= 10'09'00) {
EXPECT_TRUE(exc_mask_all & EXC_MASK_GUARD);
} else {
EXPECT_FALSE(exc_mask_all & EXC_MASK_GUARD);
}
#endif // BUILDFLAG(IS_IOS)
// Bit 0 should not be set.
EXPECT_FALSE(ExcMaskAll() & 1);
// Every bit set in ExcMaskAll() must also be set in ExcMaskValid().
EXPECT_EQ(ExcMaskAll() & ExcMaskValid(), ExcMaskAll());
}
TEST(MachExtensions, ExcMaskValid) {
const exception_mask_t exc_mask_valid = ExcMaskValid();
EXPECT_EQ(exc_mask_valid & kExcMaskBasic, kExcMaskBasic);
EXPECT_TRUE(exc_mask_valid & EXC_MASK_CRASH);
#if BUILDFLAG(IS_IOS)
// Assume at least iOS 9 (≅ OS X 10.11).
EXPECT_TRUE(exc_mask_valid & EXC_MASK_RESOURCE);
EXPECT_TRUE(exc_mask_valid & EXC_MASK_GUARD);
EXPECT_TRUE(exc_mask_valid & EXC_MASK_CORPSE_NOTIFY);
#else // BUILDFLAG(IS_IOS)
const int macos_version_number = MacOSVersionNumber();
if (macos_version_number >= 10'08'00) {
EXPECT_TRUE(exc_mask_valid & EXC_MASK_RESOURCE);
} else {
EXPECT_FALSE(exc_mask_valid & EXC_MASK_RESOURCE);
}
if (macos_version_number >= 10'09'00) {
EXPECT_TRUE(exc_mask_valid & EXC_MASK_GUARD);
} else {
EXPECT_FALSE(exc_mask_valid & EXC_MASK_GUARD);
}
if (macos_version_number >= 10'11'00) {
EXPECT_TRUE(exc_mask_valid & EXC_MASK_CORPSE_NOTIFY);
} else {
EXPECT_FALSE(exc_mask_valid & EXC_MASK_CORPSE_NOTIFY);
}
#endif // BUILDFLAG(IS_IOS)
// Bit 0 should not be set.
EXPECT_FALSE(ExcMaskValid() & 1);
// There must be bits set in ExcMaskValid() that are not set in ExcMaskAll().
EXPECT_TRUE(ExcMaskValid() & ~ExcMaskAll());
}
} // namespace
} // namespace test
} // namespace crashpad