mirror of
https://github.com/chromium/crashpad.git
synced 2024-12-28 07:48:14 +08:00
6278690abe
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$') Bug: chromium:1098010 Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
// Copyright 2018 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/misc/range_set.h"
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <memory>
|
|
|
|
#include "base/format_macros.h"
|
|
#include "base/strings/stringprintf.h"
|
|
#include "gtest/gtest.h"
|
|
#include "util/misc/address_types.h"
|
|
#include "util/misc/from_pointer_cast.h"
|
|
|
|
namespace crashpad {
|
|
namespace test {
|
|
namespace {
|
|
|
|
void ExpectRangeIsContained(const RangeSet& ranges,
|
|
VMAddress base,
|
|
VMSize size) {
|
|
for (VMAddress addr = base; addr < base + size; ++addr) {
|
|
SCOPED_TRACE(base::StringPrintf("0x%" PRIx64 " in range 0x%" PRIx64
|
|
":0x%" PRIx64,
|
|
addr,
|
|
base,
|
|
base + size));
|
|
EXPECT_TRUE(ranges.Contains(addr));
|
|
}
|
|
}
|
|
|
|
TEST(RangeSet, Basic) {
|
|
RangeSet ranges;
|
|
auto base = FromPointerCast<VMAddress>(&ranges);
|
|
VMSize size = sizeof(ranges);
|
|
ranges.Insert(base, size);
|
|
ExpectRangeIsContained(ranges, base, size);
|
|
EXPECT_FALSE(ranges.Contains(base - 1));
|
|
EXPECT_FALSE(ranges.Contains(base + size));
|
|
}
|
|
|
|
TEST(RangeSet, ZeroSizedRange) {
|
|
RangeSet ranges;
|
|
auto addr = FromPointerCast<VMAddress>(&ranges);
|
|
ranges.Insert(addr, 0);
|
|
EXPECT_FALSE(ranges.Contains(addr));
|
|
}
|
|
|
|
TEST(RangeSet, DuplicateRanges) {
|
|
RangeSet ranges;
|
|
auto base = FromPointerCast<VMAddress>(&ranges);
|
|
VMSize size = sizeof(ranges);
|
|
ranges.Insert(base, size);
|
|
ranges.Insert(base, size);
|
|
ExpectRangeIsContained(ranges, base, size);
|
|
}
|
|
|
|
TEST(RangeSet, OverlappingRanges) {
|
|
RangeSet ranges;
|
|
ranges.Insert(37, 16);
|
|
ranges.Insert(9, 9);
|
|
ranges.Insert(17, 42);
|
|
|
|
EXPECT_TRUE(ranges.Contains(9));
|
|
EXPECT_TRUE(ranges.Contains(17));
|
|
EXPECT_TRUE(ranges.Contains(36));
|
|
EXPECT_TRUE(ranges.Contains(37));
|
|
EXPECT_TRUE(ranges.Contains(52));
|
|
EXPECT_TRUE(ranges.Contains(58));
|
|
}
|
|
|
|
TEST(RangeSet, SubRangeInLargeRange) {
|
|
constexpr size_t kBufferSize = 2 << 22;
|
|
auto buf = std::make_unique<char[]>(kBufferSize);
|
|
|
|
RangeSet ranges;
|
|
auto addr = FromPointerCast<VMAddress>(buf.get());
|
|
|
|
ranges.Insert(addr, kBufferSize);
|
|
EXPECT_TRUE(ranges.Contains(addr));
|
|
EXPECT_TRUE(ranges.Contains(addr + kBufferSize - 1));
|
|
|
|
ranges.Insert(addr, kBufferSize / 2);
|
|
EXPECT_TRUE(ranges.Contains(addr));
|
|
EXPECT_TRUE(ranges.Contains(addr + kBufferSize / 2 - 1));
|
|
EXPECT_TRUE(ranges.Contains(addr + kBufferSize - 1));
|
|
}
|
|
|
|
TEST(RangeSet, LargeOverlappingRanges) {
|
|
constexpr size_t kBufferSize = 2 << 23;
|
|
auto buf = std::make_unique<char[]>(kBufferSize);
|
|
|
|
RangeSet ranges;
|
|
auto addr = FromPointerCast<VMAddress>(buf.get());
|
|
|
|
ranges.Insert(addr, 3 * kBufferSize / 4);
|
|
ranges.Insert(addr + kBufferSize / 4, 3 * kBufferSize / 4);
|
|
EXPECT_TRUE(ranges.Contains(addr));
|
|
EXPECT_TRUE(ranges.Contains(addr + kBufferSize - 1));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace test
|
|
} // namespace crashpad
|