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6a9e2e6003
This CL rolls mini_chromium to pick up the move of a bunch of files to base/apple, and makes changes to adjust. Bug: chromium:1444927 Change-Id: Ib692e2a1628e2c0c8228795eaecdb7f35b1c09fa Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4786387 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org>
95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
// Copyright 2023 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/ios/scoped_vm_map.h"
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#include <sys/time.h>
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#include "base/apple/scoped_mach_vm.h"
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#include "gtest/gtest.h"
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#include "test/mac/mach_errors.h"
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namespace crashpad {
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namespace test {
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namespace {
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TEST(ScopedVMMapTest, BasicFunctionality) {
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// bad data or count.
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internal::ScopedVMMap<vm_address_t> vmmap_bad;
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EXPECT_FALSE(vmmap_bad.Map(nullptr, 100));
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EXPECT_FALSE(vmmap_bad.Map(reinterpret_cast<void*>(0x1000), 100));
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vm_address_t invalid_address = 1;
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EXPECT_FALSE(vmmap_bad.Map(&invalid_address, 1000000000));
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EXPECT_FALSE(vmmap_bad.Map(&invalid_address, -1));
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vm_address_t valid_address = reinterpret_cast<vm_address_t>(this);
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EXPECT_FALSE(vmmap_bad.Map(&valid_address, 1000000000));
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EXPECT_FALSE(vmmap_bad.Map(&valid_address, -1));
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// array
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static constexpr char map_me[] = "map me";
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internal::ScopedVMMap<char> vmmap_string;
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ASSERT_TRUE(vmmap_string.Map(map_me, strlen(map_me)));
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EXPECT_STREQ(vmmap_string.get(), map_me);
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EXPECT_TRUE(vmmap_string.CurrentProtection() & VM_PROT_READ);
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// struct
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timeval time_of_day;
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EXPECT_TRUE(gettimeofday(&time_of_day, nullptr) == 0);
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internal::ScopedVMMap<timeval> vmmap_time;
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ASSERT_TRUE(vmmap_time.Map(&time_of_day));
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constexpr vm_prot_t kReadWrite = VM_PROT_READ | VM_PROT_WRITE;
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EXPECT_EQ(vmmap_time.CurrentProtection() & kReadWrite, kReadWrite);
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EXPECT_EQ(vmmap_time->tv_sec, time_of_day.tv_sec);
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EXPECT_EQ(vmmap_time->tv_usec, time_of_day.tv_usec);
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// reset.
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timeval time_of_day2;
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EXPECT_TRUE(gettimeofday(&time_of_day2, nullptr) == 0);
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ASSERT_TRUE(vmmap_time.Map(&time_of_day2));
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EXPECT_EQ(vmmap_time.CurrentProtection() & kReadWrite, kReadWrite);
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EXPECT_EQ(vmmap_time->tv_sec, time_of_day2.tv_sec);
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EXPECT_EQ(vmmap_time->tv_usec, time_of_day2.tv_usec);
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}
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TEST(ScopedVMMapTest, MissingMiddleVM) {
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char* region;
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vm_size_t page_size = getpagesize();
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vm_size_t region_size = page_size * 3;
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kern_return_t kr = vm_allocate(mach_task_self(),
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reinterpret_cast<vm_address_t*>(®ion),
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region_size,
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VM_FLAGS_ANYWHERE);
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ASSERT_EQ(kr, KERN_SUCCESS) << MachErrorMessage(kr, "vm_allocate");
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base::apple::ScopedMachVM vm_owner(reinterpret_cast<vm_address_t>(region),
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region_size);
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internal::ScopedVMMap<char> vmmap_missing_middle;
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ASSERT_TRUE(vmmap_missing_middle.Map(region, region_size));
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// Dealloc middle page.
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kr = vm_deallocate(mach_task_self(),
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reinterpret_cast<vm_address_t>(region + page_size),
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page_size);
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ASSERT_EQ(kr, KERN_SUCCESS) << MachErrorMessage(kr, "vm_deallocate");
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EXPECT_FALSE(vmmap_missing_middle.Map(region, region_size));
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ASSERT_TRUE(vmmap_missing_middle.Map(region, page_size));
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}
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} // namespace
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} // namespace test
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} // namespace crashpad
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