crashpad/minidump/minidump_simple_string_dictionary_writer_test.cc
Mark Mentovai 765e428321 minidump: Add InitializeFromSnapshot() for
MinidumpModuleCrashpadInfoListWriter and everything downstream.

TEST=minidump_test
R=rsesek@chromium.org

Review URL: https://codereview.chromium.org/683143003
2014-10-28 17:00:46 -04:00

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11 KiB
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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_simple_string_dictionary_writer.h"
#include <map>
#include <string>
#include "gtest/gtest.h"
#include "minidump/minidump_extensions.h"
#include "minidump/test/minidump_string_writer_test_util.h"
#include "minidump/test/minidump_writable_test_util.h"
#include "util/file/string_file_writer.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 =
sizeof(MinidumpSimpleStringDictionary) +
count * sizeof(MinidumpSimpleStringDictionaryEntry);
location_descriptor.Rva = 0;
return MinidumpWritableAtLocationDescriptor<MinidumpSimpleStringDictionary>(
file_contents, location_descriptor);
}
TEST(MinidumpSimpleStringDictionaryWriter, EmptySimpleStringDictionary) {
StringFileWriter file_writer;
MinidumpSimpleStringDictionaryWriter dictionary_writer;
EXPECT_FALSE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary),
file_writer.string().size());
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(file_writer.string(), 0);
ASSERT_TRUE(dictionary);
EXPECT_EQ(0u, dictionary->count);
}
TEST(MinidumpSimpleStringDictionaryWriter, EmptyKeyValue) {
StringFileWriter file_writer;
MinidumpSimpleStringDictionaryWriter dictionary_writer;
auto entry_writer =
make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
dictionary_writer.AddEntry(entry_writer.Pass());
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
sizeof(MinidumpSimpleStringDictionaryEntry) +
2 * sizeof(MinidumpUTF8String) + 1 + 3 + 1, // 3 for padding
file_writer.string().size());
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(file_writer.string(), 1);
ASSERT_TRUE(dictionary);
EXPECT_EQ(1u, dictionary->count);
EXPECT_EQ(12u, dictionary->entries[0].key);
EXPECT_EQ(20u, dictionary->entries[0].value);
EXPECT_EQ("",
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].key));
EXPECT_EQ("",
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].value));
}
TEST(MinidumpSimpleStringDictionaryWriter, OneKeyValue) {
StringFileWriter file_writer;
char kKey[] = "key";
char kValue[] = "value";
MinidumpSimpleStringDictionaryWriter dictionary_writer;
auto entry_writer =
make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
entry_writer->SetKeyValue(kKey, kValue);
dictionary_writer.AddEntry(entry_writer.Pass());
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
sizeof(MinidumpSimpleStringDictionaryEntry) +
2 * sizeof(MinidumpUTF8String) + sizeof(kKey) + sizeof(kValue),
file_writer.string().size());
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(file_writer.string(), 1);
ASSERT_TRUE(dictionary);
EXPECT_EQ(1u, dictionary->count);
EXPECT_EQ(12u, dictionary->entries[0].key);
EXPECT_EQ(20u, dictionary->entries[0].value);
EXPECT_EQ(kKey,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].key));
EXPECT_EQ(kValue,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].value));
}
TEST(MinidumpSimpleStringDictionaryWriter, ThreeKeysValues) {
StringFileWriter file_writer;
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 =
make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
entry_writer_0->SetKeyValue(kKey0, kValue0);
dictionary_writer.AddEntry(entry_writer_0.Pass());
auto entry_writer_1 =
make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
entry_writer_1->SetKeyValue(kKey1, kValue1);
dictionary_writer.AddEntry(entry_writer_1.Pass());
auto entry_writer_2 =
make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
entry_writer_2->SetKeyValue(kKey2, kValue2);
dictionary_writer.AddEntry(entry_writer_2.Pass());
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
3 * sizeof(MinidumpSimpleStringDictionaryEntry) +
6 * sizeof(MinidumpUTF8String) + sizeof(kKey2) +
sizeof(kValue2) + 3 + sizeof(kKey0) + 1 + sizeof(kValue0) + 1 +
sizeof(kKey1) + 3 + sizeof(kValue1),
file_writer.string().size());
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(file_writer.string(), 3);
ASSERT_TRUE(dictionary);
EXPECT_EQ(3u, dictionary->count);
EXPECT_EQ(28u, dictionary->entries[0].key);
EXPECT_EQ(36u, dictionary->entries[0].value);
EXPECT_EQ(48u, dictionary->entries[1].key);
EXPECT_EQ(56u, dictionary->entries[1].value);
EXPECT_EQ(68u, dictionary->entries[2].key);
EXPECT_EQ(80u, dictionary->entries[2].value);
// 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(kKey2,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].key));
EXPECT_EQ(kValue2,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].value));
EXPECT_EQ(kKey0,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[1].key));
EXPECT_EQ(kValue0,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[1].value));
EXPECT_EQ(kKey1,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[2].key));
EXPECT_EQ(kValue1,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[2].value));
}
TEST(MinidumpSimpleStringDictionaryWriter, DuplicateKeyValue) {
StringFileWriter file_writer;
char kKey[] = "key";
char kValue0[] = "fake_value";
char kValue1[] = "value";
MinidumpSimpleStringDictionaryWriter dictionary_writer;
auto entry_writer_0 =
make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
entry_writer_0->SetKeyValue(kKey, kValue0);
dictionary_writer.AddEntry(entry_writer_0.Pass());
auto entry_writer_1 =
make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
entry_writer_1->SetKeyValue(kKey, kValue1);
dictionary_writer.AddEntry(entry_writer_1.Pass());
EXPECT_TRUE(dictionary_writer.IsUseful());
EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
sizeof(MinidumpSimpleStringDictionaryEntry) +
2 * sizeof(MinidumpUTF8String) + sizeof(kKey) + sizeof(kValue1),
file_writer.string().size());
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(file_writer.string(), 1);
ASSERT_TRUE(dictionary);
EXPECT_EQ(1u, dictionary->count);
EXPECT_EQ(12u, dictionary->entries[0].key);
EXPECT_EQ(20u, dictionary->entries[0].value);
EXPECT_EQ(kKey,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].key));
EXPECT_EQ(kValue1,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].value));
}
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());
StringFileWriter file_writer;
ASSERT_TRUE(dictionary_writer.WriteEverything(&file_writer));
const MinidumpSimpleStringDictionary* dictionary =
MinidumpSimpleStringDictionaryAtStart(file_writer.string(), map.size());
ASSERT_TRUE(dictionary);
ASSERT_EQ(3u, dictionary->count);
// 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(kKey1,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].key));
EXPECT_EQ(kValue1,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[0].value));
EXPECT_EQ(kKey0,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[1].key));
EXPECT_EQ(kValue0,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[1].value));
EXPECT_EQ(kKey2,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[2].key));
EXPECT_EQ(kValue2,
MinidumpUTF8StringAtRVAAsString(file_writer.string(),
dictionary->entries[2].value));
}
} // namespace
} // namespace test
} // namespace crashpad