crashpad/minidump/minidump_simple_string_dictionary_writer_test.cc
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
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>
2022-09-06 23:54:07 +00:00

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// 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 "minidump/minidump_simple_string_dictionary_writer.h"
#include <stdint.h>
#include <utility>
#include "gtest/gtest.h"
#include "minidump/test/minidump_string_writer_test_util.h"
#include "minidump/test/minidump_writable_test_util.h"
#include "util/file/string_file.h"
namespace crashpad {
namespace test {
namespace {
const MinidumpSimpleStringDictionary* MinidumpSimpleStringDictionaryAtStart(
const std::string& file_contents,
size_t count) {
MINIDUMP_LOCATION_DESCRIPTOR location_descriptor;
location_descriptor.DataSize = static_cast<uint32_t>(
sizeof(MinidumpSimpleStringDictionary) +
count * sizeof(MinidumpSimpleStringDictionaryEntry));
location_descriptor.Rva = 0;
return MinidumpWritableAtLocationDescriptor<MinidumpSimpleStringDictionary>(
file_contents, location_descriptor);
}
TEST(MinidumpSimpleStringDictionaryWriter, EmptySimpleStringDictionary) {
StringFile string_file;
MinidumpSimpleStringDictionaryWriter dictionary_writer;
EXPECT_FALSE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MinidumpSimpleStringDictionary));
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(string_file.string(), 0);
ASSERT_TRUE(dictionary);
EXPECT_EQ(dictionary->count, 0u);
}
TEST(MinidumpSimpleStringDictionaryWriter, EmptyKeyValue) {
StringFile string_file;
MinidumpSimpleStringDictionaryWriter dictionary_writer;
auto entry_writer =
std::make_unique<MinidumpSimpleStringDictionaryEntryWriter>();
dictionary_writer.AddEntry(std::move(entry_writer));
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MinidumpSimpleStringDictionary) +
sizeof(MinidumpSimpleStringDictionaryEntry) +
2 * sizeof(MinidumpUTF8String) + 1 + 3 + 1); // 3 for padding
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(string_file.string(), 1);
ASSERT_TRUE(dictionary);
EXPECT_EQ(dictionary->count, 1u);
EXPECT_EQ(dictionary->entries[0].key, 12u);
EXPECT_EQ(dictionary->entries[0].value, 20u);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].key),
"");
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].value),
"");
}
TEST(MinidumpSimpleStringDictionaryWriter, OneKeyValue) {
StringFile string_file;
char kKey[] = "key";
char kValue[] = "value";
MinidumpSimpleStringDictionaryWriter dictionary_writer;
auto entry_writer =
std::make_unique<MinidumpSimpleStringDictionaryEntryWriter>();
entry_writer->SetKeyValue(kKey, kValue);
dictionary_writer.AddEntry(std::move(entry_writer));
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MinidumpSimpleStringDictionary) +
sizeof(MinidumpSimpleStringDictionaryEntry) +
2 * sizeof(MinidumpUTF8String) + sizeof(kKey) + sizeof(kValue));
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(string_file.string(), 1);
ASSERT_TRUE(dictionary);
EXPECT_EQ(dictionary->count, 1u);
EXPECT_EQ(dictionary->entries[0].key, 12u);
EXPECT_EQ(dictionary->entries[0].value, 20u);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].key),
kKey);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].value),
kValue);
}
TEST(MinidumpSimpleStringDictionaryWriter, ThreeKeysValues) {
StringFile string_file;
char kKey0[] = "m0";
char kValue0[] = "value0";
char kKey1[] = "zzz1";
char kValue1[] = "v1";
char kKey2[] = "aa2";
char kValue2[] = "val2";
MinidumpSimpleStringDictionaryWriter dictionary_writer;
auto entry_writer_0 =
std::make_unique<MinidumpSimpleStringDictionaryEntryWriter>();
entry_writer_0->SetKeyValue(kKey0, kValue0);
dictionary_writer.AddEntry(std::move(entry_writer_0));
auto entry_writer_1 =
std::make_unique<MinidumpSimpleStringDictionaryEntryWriter>();
entry_writer_1->SetKeyValue(kKey1, kValue1);
dictionary_writer.AddEntry(std::move(entry_writer_1));
auto entry_writer_2 =
std::make_unique<MinidumpSimpleStringDictionaryEntryWriter>();
entry_writer_2->SetKeyValue(kKey2, kValue2);
dictionary_writer.AddEntry(std::move(entry_writer_2));
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MinidumpSimpleStringDictionary) +
3 * sizeof(MinidumpSimpleStringDictionaryEntry) +
6 * sizeof(MinidumpUTF8String) + sizeof(kKey2) +
sizeof(kValue2) + 3 + sizeof(kKey0) + 1 + sizeof(kValue0) + 1 +
sizeof(kKey1) + 3 + sizeof(kValue1));
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(string_file.string(), 3);
ASSERT_TRUE(dictionary);
EXPECT_EQ(dictionary->count, 3u);
EXPECT_EQ(dictionary->entries[0].key, 28u);
EXPECT_EQ(dictionary->entries[0].value, 36u);
EXPECT_EQ(dictionary->entries[1].key, 48u);
EXPECT_EQ(dictionary->entries[1].value, 56u);
EXPECT_EQ(dictionary->entries[2].key, 68u);
EXPECT_EQ(dictionary->entries[2].value, 80u);
// The entries dont appear in the order they were added. The current
// implementation uses a std::map and sorts keys, so the entires appear in
// alphabetical order. However, this is an implementation detail, and its OK
// if the writer stops sorting in this order. Testing for a specific order is
// just the easiest way to write this test while the writer will output things
// in a known order.
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].key),
kKey2);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].value),
kValue2);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[1].key),
kKey0);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[1].value),
kValue0);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[2].key),
kKey1);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[2].value),
kValue1);
}
TEST(MinidumpSimpleStringDictionaryWriter, DuplicateKeyValue) {
StringFile string_file;
char kKey[] = "key";
char kValue0[] = "fake_value";
char kValue1[] = "value";
MinidumpSimpleStringDictionaryWriter dictionary_writer;
auto entry_writer_0 =
std::make_unique<MinidumpSimpleStringDictionaryEntryWriter>();
entry_writer_0->SetKeyValue(kKey, kValue0);
dictionary_writer.AddEntry(std::move(entry_writer_0));
auto entry_writer_1 =
std::make_unique<MinidumpSimpleStringDictionaryEntryWriter>();
entry_writer_1->SetKeyValue(kKey, kValue1);
dictionary_writer.AddEntry(std::move(entry_writer_1));
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
ASSERT_EQ(string_file.string().size(),
sizeof(MinidumpSimpleStringDictionary) +
sizeof(MinidumpSimpleStringDictionaryEntry) +
2 * sizeof(MinidumpUTF8String) + sizeof(kKey) +
sizeof(kValue1));
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(string_file.string(), 1);
ASSERT_TRUE(dictionary);
EXPECT_EQ(dictionary->count, 1u);
EXPECT_EQ(dictionary->entries[0].key, 12u);
EXPECT_EQ(dictionary->entries[0].value, 20u);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].key),
kKey);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].value),
kValue1);
}
TEST(MinidumpSimpleStringDictionaryWriter, InitializeFromMap) {
char kKey0[] = "Dictionaries";
char kValue0[] = "USEFUL*";
char kKey1[] = "#1 Key!";
char kValue1[] = "";
char kKey2[] = "key two";
char kValue2[] = "value two";
std::map<std::string, std::string> map;
map[kKey0] = kValue0;
map[kKey1] = kValue1;
map[kKey2] = kValue2;
MinidumpSimpleStringDictionaryWriter dictionary_writer;
dictionary_writer.InitializeFromMap(map);
EXPECT_TRUE(dictionary_writer.IsUseful());
StringFile string_file;
ASSERT_TRUE(dictionary_writer.WriteEverything(&string_file));
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(string_file.string(), map.size());
ASSERT_TRUE(dictionary);
ASSERT_EQ(dictionary->count, 3u);
// The entries dont appear in the order they were added. The current
// implementation uses a std::map and sorts keys, so the entires appear in
// alphabetical order. However, this is an implementation detail, and its OK
// if the writer stops sorting in this order. Testing for a specific order is
// just the easiest way to write this test while the writer will output things
// in a known order.
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].key),
kKey1);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[0].value),
kValue1);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[1].key),
kKey0);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[1].value),
kValue0);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[2].key),
kKey2);
EXPECT_EQ(MinidumpUTF8StringAtRVAAsString(string_file.string(),
dictionary->entries[2].value),
kValue2);
}
} // namespace
} // namespace test
} // namespace crashpad