Add ProcessSnapshotMinidump, the beginning of the minidump variant of the Snapshot family

snapshot/minidump/process_snapshot_minidump_test.cc

Index: snapshot/minidump/process_snapshot_minidump_test.cc
diff --git a/snapshot/minidump/process_snapshot_minidump_test.cc b/snapshot/minidump/process_snapshot_minidump_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fcd40d4cfbf1326833f542bca56d37fd9f8ca7f1
--- /dev/null
+++ b/snapshot/minidump/process_snapshot_minidump_test.cc
@@ -0,0 +1,140 @@
+// Copyright 2015 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 "snapshot/minidump/process_snapshot_minidump.h"
+
+#include <string.h>
+#include <windows.h>
+#include <dbghelp.h>
+
+#include "base/memory/scoped_ptr.h"
+#include "gtest/gtest.h"
+#include "util/file/string_file.h"
+
+namespace crashpad {
+namespace test {
+namespace {
+
+TEST(ProcessSnapshotMinidump, EmptyFile) {
+  StringFile string_file;
+  ProcessSnapshotMinidump process_snapshot;
+
+  EXPECT_FALSE(process_snapshot.Initialize(&string_file));
+}
+
+TEST(ProcessSnapshotMinidump, InvalidSignatureAndVersion) {
+  StringFile string_file;
+
+  MINIDUMP_HEADER header = {};
+
+  EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
+
+  ProcessSnapshotMinidump process_snapshot;
+  EXPECT_FALSE(process_snapshot.Initialize(&string_file));
+}
+
+TEST(ProcessSnapshotMinidump, Empty) {
+  StringFile string_file;
+
+  MINIDUMP_HEADER header = {};
+  header.Signature = MINIDUMP_SIGNATURE;
+  header.Version = MINIDUMP_VERSION;
+
+  EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
+
+  ProcessSnapshotMinidump process_snapshot;
+  EXPECT_TRUE(process_snapshot.Initialize(&string_file));
+}
+
+TEST(ProcessSnapshotMinidump, AnnotationsSimpleMap) {
+  StringFile string_file;
+
+  MINIDUMP_HEADER header = {};
+  EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
+
+  MinidumpSimpleStringDictionaryEntry entry0 = {};
+  entry0.key = static_cast<RVA>(string_file.SeekGet());
+  const char kKey0[] = "the first key";
+  uint32_t string_size = strlen(kKey0);
+  EXPECT_TRUE(string_file.Write(&string_size, sizeof(string_size)));
+  EXPECT_TRUE(string_file.Write(kKey0, sizeof(kKey0)));
+
+  entry0.value = static_cast<RVA>(string_file.SeekGet());
+  const char kValue0[] = "THE FIRST VALUE EVER!";
+  string_size = strlen(kValue0);
+  EXPECT_TRUE(string_file.Write(&string_size, sizeof(string_size)));
+  EXPECT_TRUE(string_file.Write(kValue0, sizeof(kValue0)));
+
+  MinidumpSimpleStringDictionaryEntry entry1 = {};
+  entry1.key = static_cast<RVA>(string_file.SeekGet());
+  const char kKey1[] = "2key";
+  string_size = strlen(kKey1);
+  EXPECT_TRUE(string_file.Write(&string_size, sizeof(string_size)));
+  EXPECT_TRUE(string_file.Write(kKey1, sizeof(kKey1)));
+
+  entry1.value = static_cast<RVA>(string_file.SeekGet());
+  const char kValue1[] = "a lowly second value";
+  string_size = strlen(kValue1);
+  EXPECT_TRUE(string_file.Write(&string_size, sizeof(string_size)));
+  EXPECT_TRUE(string_file.Write(kValue1, sizeof(kValue1)));
+
+  MinidumpCrashpadInfo crashpad_info = {};
+  crashpad_info.version = MinidumpCrashpadInfo::kVersion;
+
+  crashpad_info.simple_annotations.Rva =
+      static_cast<RVA>(string_file.SeekGet());
+  uint32_t simple_string_dictionary_entries = 2;
+  EXPECT_TRUE(string_file.Write(&simple_string_dictionary_entries,
+                                sizeof(simple_string_dictionary_entries)));
+  EXPECT_TRUE(string_file.Write(&entry0, sizeof(entry0)));
+  EXPECT_TRUE(string_file.Write(&entry1, sizeof(entry1)));
+  crashpad_info.simple_annotations.DataSize =
+      simple_string_dictionary_entries *
+      sizeof(MinidumpSimpleStringDictionaryEntry);
+
+  MINIDUMP_DIRECTORY crashpad_info_directory = {};
+  crashpad_info_directory.StreamType = kMinidumpStreamTypeCrashpadInfo;
+  crashpad_info_directory.Location.Rva =
+      static_cast<RVA>(string_file.SeekGet());
+  EXPECT_TRUE(string_file.Write(&crashpad_info, sizeof(crashpad_info)));
+  crashpad_info_directory.Location.DataSize = sizeof(crashpad_info);
+
+  header.StreamDirectoryRva = static_cast<RVA>(string_file.SeekGet());
+  EXPECT_TRUE(string_file.Write(&crashpad_info_directory,
+                                sizeof(crashpad_info_directory)));
+
+  header.Signature = MINIDUMP_SIGNATURE;
+  header.Version = MINIDUMP_VERSION;
+  header.NumberOfStreams = 1;
+  EXPECT_TRUE(string_file.SeekSet(0));
+  EXPECT_TRUE(string_file.Write(&header, sizeof(header)));
+
+  ProcessSnapshotMinidump process_snapshot;
+  EXPECT_TRUE(process_snapshot.Initialize(&string_file));
+
+  const auto annotations_simple_map = process_snapshot.AnnotationsSimpleMap();
+  EXPECT_EQ(2u, annotations_simple_map.size());
+
+  auto it = annotations_simple_map.find(kKey0);
+  ASSERT_NE(it, annotations_simple_map.end());
+  EXPECT_EQ(kValue0, it->second);
+
+  it = annotations_simple_map.find(kKey1);
+  ASSERT_NE(it, annotations_simple_map.end());
+  EXPECT_EQ(kValue1, it->second);
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace crashpad