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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 "minidump/minidump_memory_writer.h"
#include <utility>
#include "base/format_macros.h"
#include "base/stl_util.h"
#include "base/strings/stringprintf.h"
#include "gtest/gtest.h"
#include "minidump/minidump_extensions.h"
#include "minidump/minidump_file_writer.h"
#include "minidump/test/minidump_file_writer_test_util.h"
#include "minidump/test/minidump_memory_writer_test_util.h"
#include "minidump/test/minidump_writable_test_util.h"
#include "snapshot/test/test_memory_snapshot.h"
#include "util/file/string_file.h"
namespace crashpad {
namespace test {
namespace {
constexpr MinidumpStreamType kBogusStreamType =
static_cast<MinidumpStreamType>(1234);
// expected_streams is the expected number of streams in the file. The memory
// list must be the last stream. If there is another stream, it must come first,
// have stream type kBogusStreamType, and have zero-length data.
void GetMemoryListStream(const std::string& file_contents,
const MINIDUMP_MEMORY_LIST** memory_list,
const uint32_t expected_streams) {
constexpr size_t kDirectoryOffset = sizeof(MINIDUMP_HEADER);
const size_t kMemoryListStreamOffset =
kDirectoryOffset + expected_streams * sizeof(MINIDUMP_DIRECTORY);
const size_t kMemoryDescriptorsOffset =
kMemoryListStreamOffset + sizeof(MINIDUMP_MEMORY_LIST);
ASSERT_GE(file_contents.size(), kMemoryDescriptorsOffset);
const MINIDUMP_DIRECTORY* directory;
const MINIDUMP_HEADER* header =
MinidumpHeaderAtStart(file_contents, &directory);
ASSERT_NO_FATAL_FAILURE(VerifyMinidumpHeader(header, expected_streams, 0));
ASSERT_TRUE(directory);
size_t directory_index = 0;
if (expected_streams > 1) {
ASSERT_EQ(directory[directory_index].StreamType, kBogusStreamType);
ASSERT_EQ(directory[directory_index].Location.DataSize, 0u);
ASSERT_EQ(directory[directory_index].Location.Rva, kMemoryListStreamOffset);
++directory_index;
}
ASSERT_EQ(directory[directory_index].StreamType,
kMinidumpStreamTypeMemoryList);
EXPECT_EQ(directory[directory_index].Location.Rva, kMemoryListStreamOffset);
*memory_list = MinidumpWritableAtLocationDescriptor<MINIDUMP_MEMORY_LIST>(
file_contents, directory[directory_index].Location);
ASSERT_TRUE(memory_list);
}
TEST(MinidumpMemoryWriter, EmptyMemoryList) {
MinidumpFileWriter minidump_file_writer;
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_MEMORY_LIST));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 1));
EXPECT_EQ(memory_list->NumberOfMemoryRanges, 0u);
}
TEST(MinidumpMemoryWriter, OneMemoryRegion) {
MinidumpFileWriter minidump_file_writer;
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
constexpr uint64_t kBaseAddress = 0xfedcba9876543210;
constexpr size_t kSize = 0x1000;
constexpr uint8_t kValue = 'm';
auto memory_writer =
std::make_unique<TestMinidumpMemoryWriter>(kBaseAddress, kSize, kValue);
memory_list_writer->AddMemory(std::move(memory_writer));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 1));
MINIDUMP_MEMORY_DESCRIPTOR expected;
expected.StartOfMemoryRange = kBaseAddress;
expected.Memory.DataSize = kSize;
expected.Memory.Rva =
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_MEMORY_LIST) +
memory_list->NumberOfMemoryRanges * sizeof(MINIDUMP_MEMORY_DESCRIPTOR);
ExpectMinidumpMemoryDescriptorAndContents(&expected,
&memory_list->MemoryRanges[0],
string_file.string(),
kValue,
true);
}
TEST(MinidumpMemoryWriter, TwoMemoryRegions) {
MinidumpFileWriter minidump_file_writer;
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
constexpr uint64_t kBaseAddress0 = 0xc0ffee;
constexpr size_t kSize0 = 0x0100;
constexpr uint8_t kValue0 = '6';
constexpr uint64_t kBaseAddress1 = 0xfac00fac;
constexpr size_t kSize1 = 0x0200;
constexpr uint8_t kValue1 = '!';
auto memory_writer_0 = std::make_unique<TestMinidumpMemoryWriter>(
kBaseAddress0, kSize0, kValue0);
memory_list_writer->AddMemory(std::move(memory_writer_0));
auto memory_writer_1 = std::make_unique<TestMinidumpMemoryWriter>(
kBaseAddress1, kSize1, kValue1);
memory_list_writer->AddMemory(std::move(memory_writer_1));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 1));
EXPECT_EQ(memory_list->NumberOfMemoryRanges, 2u);
MINIDUMP_MEMORY_DESCRIPTOR expected;
{
SCOPED_TRACE("region 0");
expected.StartOfMemoryRange = kBaseAddress0;
expected.Memory.DataSize = kSize0;
expected.Memory.Rva =
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_MEMORY_LIST) +
memory_list->NumberOfMemoryRanges * sizeof(MINIDUMP_MEMORY_DESCRIPTOR);
ExpectMinidumpMemoryDescriptorAndContents(&expected,
&memory_list->MemoryRanges[0],
string_file.string(),
kValue0,
false);
}
{
SCOPED_TRACE("region 1");
expected.StartOfMemoryRange = kBaseAddress1;
expected.Memory.DataSize = kSize1;
expected.Memory.Rva = memory_list->MemoryRanges[0].Memory.Rva +
memory_list->MemoryRanges[0].Memory.DataSize;
ExpectMinidumpMemoryDescriptorAndContents(&expected,
&memory_list->MemoryRanges[1],
string_file.string(),
kValue1,
true);
}
}
TEST(MinidumpMemoryWriter, RegionReadFails) {
MinidumpFileWriter minidump_file_writer;
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
constexpr uint64_t kBaseAddress = 0xfedcba9876543210;
constexpr size_t kSize = 0x1000;
constexpr uint8_t kValue = 'm';
auto memory_writer =
std::make_unique<TestMinidumpMemoryWriter>(kBaseAddress, kSize, kValue);
// Make the read of that memory fail.
memory_writer->SetShouldFailRead(true);
memory_list_writer->AddMemory(std::move(memory_writer));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 1));
MINIDUMP_MEMORY_DESCRIPTOR expected;
expected.StartOfMemoryRange = kBaseAddress;
expected.Memory.DataSize = kSize;
expected.Memory.Rva =
sizeof(MINIDUMP_HEADER) + sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_MEMORY_LIST) +
memory_list->NumberOfMemoryRanges * sizeof(MINIDUMP_MEMORY_DESCRIPTOR);
ExpectMinidumpMemoryDescriptorAndContents(
&expected,
&memory_list->MemoryRanges[0],
string_file.string(),
0xfe, // Not kValue ('m'), but the value that the implementation inserts
// if memory is unreadable.
true);
}
class TestMemoryStream final : public internal::MinidumpStreamWriter {
public:
TestMemoryStream(uint64_t base_address, size_t size, uint8_t value)
: MinidumpStreamWriter(), memory_(base_address, size, value) {}
~TestMemoryStream() override {}
TestMinidumpMemoryWriter* memory() {
return &memory_;
}
// MinidumpStreamWriter:
MinidumpStreamType StreamType() const override {
return kBogusStreamType;
}
protected:
// MinidumpWritable:
size_t SizeOfObject() override {
EXPECT_GE(state(), kStateFrozen);
return 0;
}
std::vector<MinidumpWritable*> Children() override {
EXPECT_GE(state(), kStateFrozen);
std::vector<MinidumpWritable*> children(1, memory());
return children;
}
bool WriteObject(FileWriterInterface* file_writer) override {
EXPECT_EQ(state(), kStateWritable);
return true;
}
private:
TestMinidumpMemoryWriter memory_;
DISALLOW_COPY_AND_ASSIGN(TestMemoryStream);
};
TEST(MinidumpMemoryWriter, ExtraMemory) {
// This tests MinidumpMemoryListWriter::AddExtraMemory(). That method adds
// a MinidumpMemoryWriter to the MinidumpMemoryListWriter without making the
// memory writer a child of the memory list writer.
MinidumpFileWriter minidump_file_writer;
constexpr uint64_t kBaseAddress0 = 0x1000;
constexpr size_t kSize0 = 0x0400;
constexpr uint8_t kValue0 = '1';
auto test_memory_stream =
std::make_unique<TestMemoryStream>(kBaseAddress0, kSize0, kValue0);
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
memory_list_writer->AddNonOwnedMemory(test_memory_stream->memory());
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(test_memory_stream)));
constexpr uint64_t kBaseAddress1 = 0x2000;
constexpr size_t kSize1 = 0x0400;
constexpr uint8_t kValue1 = 'm';
auto memory_writer = std::make_unique<TestMinidumpMemoryWriter>(
kBaseAddress1, kSize1, kValue1);
memory_list_writer->AddMemory(std::move(memory_writer));
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 2));
EXPECT_EQ(memory_list->NumberOfMemoryRanges, 2u);
MINIDUMP_MEMORY_DESCRIPTOR expected;
{
SCOPED_TRACE("region 0");
expected.StartOfMemoryRange = kBaseAddress0;
expected.Memory.DataSize = kSize0;
expected.Memory.Rva =
sizeof(MINIDUMP_HEADER) + 2 * sizeof(MINIDUMP_DIRECTORY) +
sizeof(MINIDUMP_MEMORY_LIST) +
memory_list->NumberOfMemoryRanges * sizeof(MINIDUMP_MEMORY_DESCRIPTOR);
ExpectMinidumpMemoryDescriptorAndContents(&expected,
&memory_list->MemoryRanges[0],
string_file.string(),
kValue0,
false);
}
{
SCOPED_TRACE("region 1");
expected.StartOfMemoryRange = kBaseAddress1;
expected.Memory.DataSize = kSize1;
expected.Memory.Rva = memory_list->MemoryRanges[0].Memory.Rva +
memory_list->MemoryRanges[0].Memory.DataSize;
ExpectMinidumpMemoryDescriptorAndContents(&expected,
&memory_list->MemoryRanges[1],
string_file.string(),
kValue1,
true);
}
}
TEST(MinidumpMemoryWriter, AddFromSnapshot) {
MINIDUMP_MEMORY_DESCRIPTOR expect_memory_descriptors[3] = {};
uint8_t values[base::size(expect_memory_descriptors)] = {};
expect_memory_descriptors[0].StartOfMemoryRange = 0;
expect_memory_descriptors[0].Memory.DataSize = 0x1000;
values[0] = 0x01;
expect_memory_descriptors[1].StartOfMemoryRange = 0x2000;
expect_memory_descriptors[1].Memory.DataSize = 0x2000;
values[1] = 0xf4;
expect_memory_descriptors[2].StartOfMemoryRange = 0x7654321000000000;
expect_memory_descriptors[2].Memory.DataSize = 0x800;
values[2] = 0xa9;
std::vector<std::unique_ptr<TestMemorySnapshot>> memory_snapshots_owner;
std::vector<const MemorySnapshot*> memory_snapshots;
for (size_t index = 0; index < base::size(expect_memory_descriptors);
++index) {
memory_snapshots_owner.push_back(std::make_unique<TestMemorySnapshot>());
TestMemorySnapshot* memory_snapshot = memory_snapshots_owner.back().get();
memory_snapshot->SetAddress(
expect_memory_descriptors[index].StartOfMemoryRange);
memory_snapshot->SetSize(expect_memory_descriptors[index].Memory.DataSize);
memory_snapshot->SetValue(values[index]);
memory_snapshots.push_back(memory_snapshot);
}
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
memory_list_writer->AddFromSnapshot(memory_snapshots);
MinidumpFileWriter minidump_file_writer;
ASSERT_TRUE(minidump_file_writer.AddStream(std::move(memory_list_writer)));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 1));
ASSERT_EQ(memory_list->NumberOfMemoryRanges, 3u);
for (size_t index = 0; index < memory_list->NumberOfMemoryRanges; ++index) {
SCOPED_TRACE(base::StringPrintf("index %" PRIuS, index));
ExpectMinidumpMemoryDescriptorAndContents(
&expect_memory_descriptors[index],
&memory_list->MemoryRanges[index],
string_file.string(),
values[index],
index == memory_list->NumberOfMemoryRanges - 1);
}
}
TEST(MinidumpMemoryWriter, CoalesceExplicitMultiple) {
MINIDUMP_MEMORY_DESCRIPTOR expect_memory_descriptors[4] = {};
uint8_t values[base::size(expect_memory_descriptors)] = {};
expect_memory_descriptors[0].StartOfMemoryRange = 0;
expect_memory_descriptors[0].Memory.DataSize = 1000;
values[0] = 0x01;
expect_memory_descriptors[1].StartOfMemoryRange = 10000;
expect_memory_descriptors[1].Memory.DataSize = 2000;
values[1] = 0xf4;
expect_memory_descriptors[2].StartOfMemoryRange = 0x1111111111111111;
expect_memory_descriptors[2].Memory.DataSize = 1024;
values[2] = 0x99;
expect_memory_descriptors[3].StartOfMemoryRange = 0xfedcba9876543210;
expect_memory_descriptors[3].Memory.DataSize = 1024;
values[3] = 0x88;
struct {
uint64_t base;
size_t size;
uint8_t value;
} snapshots_to_add[] = {
// Various overlapping.
{0, 500, 0x01},
{0, 500, 0x01},
{250, 500, 0x01},
{600, 400, 0x01},
// Empty removed.
{0, 0, 0xbb},
{300, 0, 0xcc},
{1000, 0, 0xdd},
{12000, 0, 0xee},
// Abutting.
{10000, 500, 0xf4},
{10500, 500, 0xf4},
{11000, 1000, 0xf4},
// Large base addresses.
{ 0xfedcba9876543210, 1024, 0x88 },
{ 0x1111111111111111, 1024, 0x99 },
};
std::vector<std::unique_ptr<TestMemorySnapshot>> memory_snapshots_owner;
std::vector<const MemorySnapshot*> memory_snapshots;
for (const auto& to_add : snapshots_to_add) {
memory_snapshots_owner.push_back(std::make_unique<TestMemorySnapshot>());
TestMemorySnapshot* memory_snapshot = memory_snapshots_owner.back().get();
memory_snapshot->SetAddress(to_add.base);
memory_snapshot->SetSize(to_add.size);
memory_snapshot->SetValue(to_add.value);
memory_snapshots.push_back(memory_snapshot);
}
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
memory_list_writer->AddFromSnapshot(memory_snapshots);
MinidumpFileWriter minidump_file_writer;
minidump_file_writer.AddStream(std::move(memory_list_writer));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 1));
ASSERT_EQ(4u, memory_list->NumberOfMemoryRanges);
for (size_t index = 0; index < memory_list->NumberOfMemoryRanges; ++index) {
SCOPED_TRACE(base::StringPrintf("index %" PRIuS, index));
ExpectMinidumpMemoryDescriptorAndContents(
&expect_memory_descriptors[index],
&memory_list->MemoryRanges[index],
string_file.string(),
values[index],
index == memory_list->NumberOfMemoryRanges - 1);
}
}
struct TestRange {
TestRange(uint64_t base, size_t size) : base(base), size(size) {}
uint64_t base;
size_t size;
};
// Parses a string spec to build a list of ranges suitable for CoalesceTest().
std::vector<TestRange> ParseCoalesceSpec(const char* spec) {
std::vector<TestRange> result;
enum { kNone, kSpace, kDot } state = kNone;
const char* range_started_at = nullptr;
for (const char* p = spec;; ++p) {
EXPECT_TRUE(*p == ' ' || *p == '.' || *p == 0);
if (*p == ' ' || *p == 0) {
if (state == kDot) {
result.push_back(
TestRange(range_started_at - spec, p - range_started_at));
}
state = kSpace;
range_started_at = nullptr;
} else if (*p == '.') {
if (state != kDot) {
range_started_at = p;
state = kDot;
}
}
if (*p == 0)
break;
}
return result;
}
TEST(MinidumpMemoryWriter, CoalesceSpecHelperParse) {
const auto empty = ParseCoalesceSpec("");
ASSERT_EQ(empty.size(), 0u);
const auto a = ParseCoalesceSpec("...");
ASSERT_EQ(a.size(), 1u);
EXPECT_EQ(a[0].base, 0u);
EXPECT_EQ(a[0].size, 3u);
const auto b = ParseCoalesceSpec(" ...");
ASSERT_EQ(b.size(), 1u);
EXPECT_EQ(b[0].base, 2u);
EXPECT_EQ(b[0].size, 3u);
const auto c = ParseCoalesceSpec(" ... ");
ASSERT_EQ(c.size(), 1u);
EXPECT_EQ(c[0].base, 2u);
EXPECT_EQ(c[0].size, 3u);
const auto d = ParseCoalesceSpec(" ... ....");
ASSERT_EQ(d.size(), 2u);
EXPECT_EQ(d[0].base, 2u);
EXPECT_EQ(d[0].size, 3u);
EXPECT_EQ(d[1].base, 7u);
EXPECT_EQ(d[1].size, 4u);
const auto e = ParseCoalesceSpec(" ... ...... ... ");
ASSERT_EQ(e.size(), 3u);
EXPECT_EQ(e[0].base, 2u);
EXPECT_EQ(e[0].size, 3u);
EXPECT_EQ(e[1].base, 7u);
EXPECT_EQ(e[1].size, 6u);
EXPECT_EQ(e[2].base, 14u);
EXPECT_EQ(e[2].size, 3u);
}
constexpr uint8_t kMemoryValue = 0xcd;
// Builds a coalesce test out of specs of ' ' and '.'. Tests that when the two
// ranges are added and coalesced, the result is equal to expected.
void CoalesceTest(const char* r1_spec,
const char* r2_spec,
const char* expected_spec) {
auto r1 = ParseCoalesceSpec(r1_spec);
auto r2 = ParseCoalesceSpec(r2_spec);
auto expected = ParseCoalesceSpec(expected_spec);
std::vector<MINIDUMP_MEMORY_DESCRIPTOR> expect_memory_descriptors;
for (const auto& range : expected) {
MINIDUMP_MEMORY_DESCRIPTOR mmd = {};
mmd.StartOfMemoryRange = range.base;
mmd.Memory.DataSize = static_cast<uint32_t>(range.size);
expect_memory_descriptors.push_back(mmd);
}
std::vector<std::unique_ptr<TestMemorySnapshot>> memory_snapshots_owner;
std::vector<const MemorySnapshot*> memory_snapshots;
const auto add_test_memory_snapshots = [&memory_snapshots_owner,
&memory_snapshots](
std::vector<TestRange> ranges) {
for (const auto& r : ranges) {
memory_snapshots_owner.push_back(std::make_unique<TestMemorySnapshot>());
TestMemorySnapshot* memory_snapshot = memory_snapshots_owner.back().get();
memory_snapshot->SetAddress(r.base);
memory_snapshot->SetSize(r.size);
memory_snapshot->SetValue(kMemoryValue);
memory_snapshots.push_back(memory_snapshot);
}
};
add_test_memory_snapshots(r1);
add_test_memory_snapshots(r2);
auto memory_list_writer = std::make_unique<MinidumpMemoryListWriter>();
memory_list_writer->AddFromSnapshot(memory_snapshots);
MinidumpFileWriter minidump_file_writer;
minidump_file_writer.AddStream(std::move(memory_list_writer));
StringFile string_file;
ASSERT_TRUE(minidump_file_writer.WriteEverything(&string_file));
const MINIDUMP_MEMORY_LIST* memory_list = nullptr;
ASSERT_NO_FATAL_FAILURE(
GetMemoryListStream(string_file.string(), &memory_list, 1));
ASSERT_EQ(expected.size(), memory_list->NumberOfMemoryRanges);
for (size_t index = 0; index < memory_list->NumberOfMemoryRanges; ++index) {
SCOPED_TRACE(base::StringPrintf("index %" PRIuS, index));
ExpectMinidumpMemoryDescriptorAndContents(
&expect_memory_descriptors[index],
&memory_list->MemoryRanges[index],
string_file.string(),
kMemoryValue,
index == memory_list->NumberOfMemoryRanges - 1);
}
}
TEST(MinidumpMemoryWriter, CoalescePairsVariousCases) {
// clang-format off
CoalesceTest(" .........",
" .......",
/* result */ " ..............");
CoalesceTest(" .......",
" .........",
/* result */ " ..............");
CoalesceTest(" ...",
" .........",
/* result */ " .........");
CoalesceTest(" .........",
" ......",
/* result */ " .........");
CoalesceTest(" ...",
" ........",
/* result */ " ........");
CoalesceTest(" ........",
" ...",
/* result */ " ........");
CoalesceTest(" ...",
" ........",
/* result */ " ........");
CoalesceTest(" ........",
" ...",
/* result */ " ........");
CoalesceTest(" ... ",
" ...",
/* result */ " ... ...");
CoalesceTest(" ...",
" ... ",
/* result */ " ... ...");
CoalesceTest("...",
".....",
/* result */ ".....");
CoalesceTest("...",
" ..",
/* result */ ".....");
CoalesceTest(" .....",
" ..",
/* result */ " .......");
CoalesceTest(" ......... ......",
" .......",
/* result */ " ..................");
CoalesceTest(" .......",
" ......... ......",
/* result */ " ..................");
CoalesceTest(" .....",
" ......... ......",
/* result */ " ......... ......");
CoalesceTest(" ......... ....... .... .",
" ......... ...... ....",
/* result */ " .......................... .......");
// clang-format on
}
} // namespace
} // namespace test
} // namespace crashpad