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third_party/crashpad/crashpad/minidump/minidump_simple_string_dictionary_writer_test.cc

Index: third_party/crashpad/crashpad/minidump/minidump_simple_string_dictionary_writer_test.cc
diff --git a/third_party/crashpad/crashpad/minidump/minidump_simple_string_dictionary_writer_test.cc b/third_party/crashpad/crashpad/minidump/minidump_simple_string_dictionary_writer_test.cc
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index 0000000000000000000000000000000000000000..a8c8d02de6194197ad1402c6c187b3438ae3a081
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+++ b/third_party/crashpad/crashpad/minidump/minidump_simple_string_dictionary_writer_test.cc
@@ -0,0 +1,288 @@
+// 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.h"
+#include "util/stdlib/move.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(sizeof(MinidumpSimpleStringDictionary),
+            string_file.string().size());
+
+  const MinidumpSimpleStringDictionary* dictionary =
+      MinidumpSimpleStringDictionaryAtStart(string_file.string(), 0);
+  ASSERT_TRUE(dictionary);
+  EXPECT_EQ(0u, dictionary->count);
+}
+
+TEST(MinidumpSimpleStringDictionaryWriter, EmptyKeyValue) {
+  StringFile string_file;
+
+  MinidumpSimpleStringDictionaryWriter dictionary_writer;
+  auto entry_writer =
+      make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
+  dictionary_writer.AddEntry(crashpad::move(entry_writer));
+
+  EXPECT_TRUE(dictionary_writer.IsUseful());
+
+  EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
+  ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
+                sizeof(MinidumpSimpleStringDictionaryEntry) +
+                2 * sizeof(MinidumpUTF8String) + 1 + 3 + 1,  // 3 for padding
+            string_file.string().size());
+
+  const MinidumpSimpleStringDictionary* dictionary =
+      MinidumpSimpleStringDictionaryAtStart(string_file.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(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 =
+      make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
+  entry_writer->SetKeyValue(kKey, kValue);
+  dictionary_writer.AddEntry(crashpad::move(entry_writer));
+
+  EXPECT_TRUE(dictionary_writer.IsUseful());
+
+  EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
+  ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
+                sizeof(MinidumpSimpleStringDictionaryEntry) +
+                2 * sizeof(MinidumpUTF8String) + sizeof(kKey) + sizeof(kValue),
+            string_file.string().size());
+
+  const MinidumpSimpleStringDictionary* dictionary =
+      MinidumpSimpleStringDictionaryAtStart(string_file.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(string_file.string(),
+                                            dictionary->entries[0].key));
+  EXPECT_EQ(kValue,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[0].value));
+}
+
+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 =
+      make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
+  entry_writer_0->SetKeyValue(kKey0, kValue0);
+  dictionary_writer.AddEntry(crashpad::move(entry_writer_0));
+  auto entry_writer_1 =
+      make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
+  entry_writer_1->SetKeyValue(kKey1, kValue1);
+  dictionary_writer.AddEntry(crashpad::move(entry_writer_1));
+  auto entry_writer_2 =
+      make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
+  entry_writer_2->SetKeyValue(kKey2, kValue2);
+  dictionary_writer.AddEntry(crashpad::move(entry_writer_2));
+
+  EXPECT_TRUE(dictionary_writer.IsUseful());
+
+  EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
+  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),
+            string_file.string().size());
+
+  const MinidumpSimpleStringDictionary* dictionary =
+      MinidumpSimpleStringDictionaryAtStart(string_file.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 don’t 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 it’s 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(string_file.string(),
+                                            dictionary->entries[0].key));
+  EXPECT_EQ(kValue2,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[0].value));
+  EXPECT_EQ(kKey0,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[1].key));
+  EXPECT_EQ(kValue0,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[1].value));
+  EXPECT_EQ(kKey1,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[2].key));
+  EXPECT_EQ(kValue1,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[2].value));
+}
+
+TEST(MinidumpSimpleStringDictionaryWriter, DuplicateKeyValue) {
+  StringFile string_file;
+
+  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(crashpad::move(entry_writer_0));
+  auto entry_writer_1 =
+      make_scoped_ptr(new MinidumpSimpleStringDictionaryEntryWriter());
+  entry_writer_1->SetKeyValue(kKey, kValue1);
+  dictionary_writer.AddEntry(crashpad::move(entry_writer_1));
+
+  EXPECT_TRUE(dictionary_writer.IsUseful());
+
+  EXPECT_TRUE(dictionary_writer.WriteEverything(&string_file));
+  ASSERT_EQ(sizeof(MinidumpSimpleStringDictionary) +
+                sizeof(MinidumpSimpleStringDictionaryEntry) +
+                2 * sizeof(MinidumpUTF8String) + sizeof(kKey) + sizeof(kValue1),
+            string_file.string().size());
+
+  const MinidumpSimpleStringDictionary* dictionary =
+      MinidumpSimpleStringDictionaryAtStart(string_file.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(string_file.string(),
+                                            dictionary->entries[0].key));
+  EXPECT_EQ(kValue1,
+            MinidumpUTF8StringAtRVAAsString(string_file.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());
+
+  StringFile string_file;
+  ASSERT_TRUE(dictionary_writer.WriteEverything(&string_file));
+
+  const MinidumpSimpleStringDictionary* dictionary =
+      MinidumpSimpleStringDictionaryAtStart(string_file.string(), map.size());
+  ASSERT_TRUE(dictionary);
+  ASSERT_EQ(3u, dictionary->count);
+
+  // The entries don’t 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 it’s 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(string_file.string(),
+                                            dictionary->entries[0].key));
+  EXPECT_EQ(kValue1,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[0].value));
+  EXPECT_EQ(kKey0,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[1].key));
+  EXPECT_EQ(kValue0,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[1].value));
+  EXPECT_EQ(kKey2,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[2].key));
+  EXPECT_EQ(kValue2,
+            MinidumpUTF8StringAtRVAAsString(string_file.string(),
+                                            dictionary->entries[2].value));
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace crashpad