Platform-specific prune state storage.

chrome/browser/safe_browsing/incident_reporting/platform_state_store_unittest.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/safe_browsing/incident_reporting/platform_state_store.h"
+
+#if defined(USE_PLATFORM_STATE_STORE)
+
+#include "base/memory/scoped_ptr.h"
+#include "base/values.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace safe_browsing {
+namespace platform_state_store {
+
+namespace {
+
+// The serialized form of the dict created by CreateTestIncidentsSentPref.
+const uint8_t kTestData[] = {
+    0x0a, 0x19, 0x08, 0x00, 0x12, 0x15, 0x0a, 0x09, 0x0a, 0x04, 0x77,
+    0x68, 0x61, 0x3f, 0x10, 0x94, 0x4d, 0x0a, 0x08, 0x0a, 0x04, 0x77,
+    0x68, 0x61, 0x61, 0x10, 0x00, 0x0a, 0x1a, 0x08, 0x02, 0x12, 0x16,
+    0x0a, 0x09, 0x0a, 0x05, 0x62, 0x6c, 0x6f, 0x72, 0x66, 0x10, 0x05,
+    0x0a, 0x09, 0x0a, 0x04, 0x73, 0x70, 0x61, 0x6d, 0x10, 0xd2, 0x09
+};
+
+// Returns a dict with some sample data in it.
+scoped_ptr<base::DictionaryValue> CreateTestIncidentsSentPref() {
+  scoped_ptr<base::DictionaryValue> incidents_sent(new base::DictionaryValue);
+
+  scoped_ptr<base::DictionaryValue> type_dict(new base::DictionaryValue);
+  type_dict->SetStringWithoutPathExpansion("spam", "1234");
+  type_dict->SetStringWithoutPathExpansion("blorf", "5");
+  incidents_sent->SetWithoutPathExpansion("2", type_dict.release());
+
+  type_dict.reset(new base::DictionaryValue);
+  type_dict->SetStringWithoutPathExpansion("whaa", "0");
+  type_dict->SetStringWithoutPathExpansion("wha?", "9876");
+  incidents_sent->SetWithoutPathExpansion("0", type_dict.release());
+
+  return incidents_sent.Pass();
+}
+
+}  // namespace
+
+// Tests that DeserializeIncidentsSent handles an empty payload properly.
+TEST(PlatformStateStoreTest, DeserializeEmpty) {
+  scoped_ptr<base::DictionaryValue> deserialized(new base::DictionaryValue);
+  PlatformStateStoreLoadResult load_result =
+      DeserializeIncidentsSent(std::string(), deserialized.get());
+  ASSERT_EQ(PlatformStateStoreLoadResult::SUCCESS, load_result);
+  ASSERT_TRUE(deserialized->empty());
+}
+
+// Tests that serialize followed by deserialize doesn't lose data.
+TEST(PlatformStateStoreTest, RoundTrip) {
+  scoped_ptr<base::DictionaryValue> incidents_sent(
+      CreateTestIncidentsSentPref());
+  std::string data;
+
+  SerializeIncidentsSent(incidents_sent.get(), &data);
+
+  // Make sure the serialized data matches expectations to ensure compatibility.
+  ASSERT_EQ(std::string(reinterpret_cast<const char*>(&kTestData[0]),
+                        sizeof(kTestData)), data);
+
+  scoped_ptr<base::DictionaryValue> deserialized(new base::DictionaryValue);
+  PlatformStateStoreLoadResult load_result =
+      DeserializeIncidentsSent(data, deserialized.get());
+  ASSERT_EQ(PlatformStateStoreLoadResult::SUCCESS, load_result);
+  ASSERT_TRUE(deserialized->Equals(incidents_sent.get()));
+}
+
+}  // namespace platform_state_store
+}  // namespace safe_browsing
+
+#endif  // USE_PLATFORM_STATE_STORE