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TEST=minidump_test MinidumpSimpleStringDictionaryWriter.* R=rsesek@chromium.org Review URL: https://codereview.chromium.org/656173003
225 lines
8.5 KiB
C++
225 lines
8.5 KiB
C++
// Copyright 2014 The Crashpad Authors. All rights reserved.
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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 "minidump/minidump_simple_string_dictionary_writer.h"
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#include <string>
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#include "gtest/gtest.h"
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#include "minidump/minidump_extensions.h"
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#include "util/file/string_file_writer.h"
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namespace crashpad {
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namespace test {
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namespace {
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const MinidumpSimpleStringDictionary* MinidumpSimpleStringDictionaryCast(
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const StringFileWriter& file_writer) {
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return reinterpret_cast<const MinidumpSimpleStringDictionary*>(
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&file_writer.string()[0]);
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}
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TEST(MinidumpSimpleStringDictionaryWriter, EmptySimpleStringDictionary) {
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StringFileWriter file_writer;
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MinidumpSimpleStringDictionaryWriter dictionary_writer;
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EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
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ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary),
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file_writer.string().size());
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const MinidumpSimpleStringDictionary* dictionary =
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MinidumpSimpleStringDictionaryCast(file_writer);
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EXPECT_EQ(0u, dictionary->count);
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}
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std::string MinidumpUTF8StringAtRVA(const StringFileWriter& file_writer,
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RVA rva) {
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const std::string& contents = file_writer.string();
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if (rva == 0) {
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return std::string();
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}
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if (rva + sizeof(MinidumpUTF8String) > contents.size()) {
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ADD_FAILURE()
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<< "rva " << rva << " too large for contents " << contents.size();
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return std::string();
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}
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const MinidumpUTF8String* minidump_string =
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reinterpret_cast<const MinidumpUTF8String*>(&contents[rva]);
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// Verify that the file has enough data for the string’s stated length plus
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// its required NUL terminator.
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if (rva + sizeof(MinidumpUTF8String) + minidump_string->Length + 1 >
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contents.size()) {
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ADD_FAILURE()
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<< "rva " << rva << ", length " << minidump_string->Length
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<< " too large for contents " << contents.size();
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return std::string();
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}
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std::string minidump_string_data(
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reinterpret_cast<const char*>(&minidump_string->Buffer[0]),
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minidump_string->Length);
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return minidump_string_data;
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}
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TEST(MinidumpSimpleStringDictionaryWriter, EmptyKeyValue) {
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StringFileWriter file_writer;
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MinidumpSimpleStringDictionaryWriter dictionary_writer;
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MinidumpSimpleStringDictionaryEntryWriter entry_writer;
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dictionary_writer.AddEntry(&entry_writer);
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EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
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ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
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sizeof(MinidumpSimpleStringDictionaryEntry) +
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2 * sizeof(MinidumpUTF8String) + 1 + 3 + 1, // 3 for padding
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file_writer.string().size());
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const MinidumpSimpleStringDictionary* dictionary =
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MinidumpSimpleStringDictionaryCast(file_writer);
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EXPECT_EQ(1u, dictionary->count);
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EXPECT_EQ(12u, dictionary->entries[0].key);
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EXPECT_EQ(20u, dictionary->entries[0].value);
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EXPECT_EQ("",
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].key));
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EXPECT_EQ("",
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].value));
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}
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TEST(MinidumpSimpleStringDictionaryWriter, OneKeyValue) {
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StringFileWriter file_writer;
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char kKey[] = "key";
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char kValue[] = "value";
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MinidumpSimpleStringDictionaryWriter dictionary_writer;
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MinidumpSimpleStringDictionaryEntryWriter entry_writer;
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entry_writer.SetKeyValue(kKey, kValue);
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dictionary_writer.AddEntry(&entry_writer);
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EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
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ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
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sizeof(MinidumpSimpleStringDictionaryEntry) +
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2 * sizeof(MinidumpUTF8String) + sizeof(kKey) + sizeof(kValue),
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file_writer.string().size());
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const MinidumpSimpleStringDictionary* dictionary =
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MinidumpSimpleStringDictionaryCast(file_writer);
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EXPECT_EQ(1u, dictionary->count);
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EXPECT_EQ(12u, dictionary->entries[0].key);
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EXPECT_EQ(20u, dictionary->entries[0].value);
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EXPECT_EQ(kKey,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].key));
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EXPECT_EQ(kValue,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].value));
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}
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TEST(MinidumpSimpleStringDictionaryWriter, ThreeKeysValues) {
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StringFileWriter file_writer;
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char kKey0[] = "m0";
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char kValue0[] = "value0";
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char kKey1[] = "zzz1";
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char kValue1[] = "v1";
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char kKey2[] = "aa2";
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char kValue2[] = "val2";
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MinidumpSimpleStringDictionaryWriter dictionary_writer;
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MinidumpSimpleStringDictionaryEntryWriter entry_writer_0;
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entry_writer_0.SetKeyValue(kKey0, kValue0);
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dictionary_writer.AddEntry(&entry_writer_0);
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MinidumpSimpleStringDictionaryEntryWriter entry_writer_1;
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entry_writer_1.SetKeyValue(kKey1, kValue1);
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dictionary_writer.AddEntry(&entry_writer_1);
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MinidumpSimpleStringDictionaryEntryWriter entry_writer_2;
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entry_writer_2.SetKeyValue(kKey2, kValue2);
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dictionary_writer.AddEntry(&entry_writer_2);
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EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
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ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
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3 * sizeof(MinidumpSimpleStringDictionaryEntry) +
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6 * sizeof(MinidumpUTF8String) + sizeof(kKey2) +
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sizeof(kValue2) + 3 + sizeof(kKey0) + 1 + sizeof(kValue0) + 1 +
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sizeof(kKey1) + 3 + sizeof(kValue1),
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file_writer.string().size());
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const MinidumpSimpleStringDictionary* dictionary =
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MinidumpSimpleStringDictionaryCast(file_writer);
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EXPECT_EQ(3u, dictionary->count);
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EXPECT_EQ(28u, dictionary->entries[0].key);
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EXPECT_EQ(36u, dictionary->entries[0].value);
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EXPECT_EQ(48u, dictionary->entries[1].key);
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EXPECT_EQ(56u, dictionary->entries[1].value);
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EXPECT_EQ(68u, dictionary->entries[2].key);
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EXPECT_EQ(80u, dictionary->entries[2].value);
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// The entries don’t appear in the order they were added. The current
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// implementation uses a std::map and sorts keys, so the entires appear in
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// alphabetical order. However, this is an implementation detail, and it’s OK
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// if the writer stops sorting in this order. Testing for a specific order is
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// just the easiest way to write this test while the writer will output things
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// in a known order.
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EXPECT_EQ(kKey2,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].key));
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EXPECT_EQ(kValue2,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].value));
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EXPECT_EQ(kKey0,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[1].key));
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EXPECT_EQ(kValue0,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[1].value));
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EXPECT_EQ(kKey1,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[2].key));
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EXPECT_EQ(kValue1,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[2].value));
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}
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TEST(MinidumpSimpleStringDictionaryWriter, DuplicateKeyValue) {
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StringFileWriter file_writer;
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char kKey[] = "key";
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char kValue0[] = "fake_value";
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char kValue1[] = "value";
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MinidumpSimpleStringDictionaryWriter dictionary_writer;
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MinidumpSimpleStringDictionaryEntryWriter entry_writer_0;
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entry_writer_0.SetKeyValue(kKey, kValue0);
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dictionary_writer.AddEntry(&entry_writer_0);
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MinidumpSimpleStringDictionaryEntryWriter entry_writer_1;
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entry_writer_1.SetKeyValue(kKey, kValue1);
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dictionary_writer.AddEntry(&entry_writer_1);
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EXPECT_TRUE(dictionary_writer.WriteEverything(&file_writer));
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ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
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sizeof(MinidumpSimpleStringDictionaryEntry) +
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2 * sizeof(MinidumpUTF8String) + sizeof(kKey) + sizeof(kValue1),
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file_writer.string().size());
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const MinidumpSimpleStringDictionary* dictionary =
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MinidumpSimpleStringDictionaryCast(file_writer);
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EXPECT_EQ(1u, dictionary->count);
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EXPECT_EQ(12u, dictionary->entries[0].key);
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EXPECT_EQ(20u, dictionary->entries[0].value);
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EXPECT_EQ(kKey,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].key));
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EXPECT_EQ(kValue1,
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MinidumpUTF8StringAtRVA(file_writer, dictionary->entries[0].value));
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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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