Add MediaDrmBridge::AddKeySystemUuidMapping().

media/base/android/media_drm_bridge_unittest.cc

 // Copyright 2014 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 "base/basictypes.h"
 #include "base/logging.h"
 #include "media/base/android/media_drm_bridge.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include "widevine_cdm_version.h"  // In SHARED_INTERMEDIATE_DIR.
 
 namespace media {
 
 #define EXPECT_TRUE_IF_AVAILABLE(a)                   \
   do {                                                \
     if (!MediaDrmBridge::IsAvailable()) {             \
       VLOG(0) << "MediaDrm not supported on device."; \
       EXPECT_FALSE(a);                                \
     } else {                                          \
       EXPECT_TRUE(a);                                 \
     }                                                 \
   } while (0)
 
 const char kAudioMp4[] = "audio/mp4";
 const char kVideoMp4[] = "video/mp4";
 const char kAudioWebM[] = "audio/webm";
 const char kVideoWebM[] = "video/webm";
 const char kInvalidKeySystem[] = "invalid.keysystem";
+const char kFooKeySystem[] = "com.foo.keysystem";
+const uint8 kWidevineUuid[16] = {
+    0xED, 0xEF, 0x8B, 0xA9, 0x79, 0xD6, 0x4A, 0xCE,
+    0xA3, 0xC8, 0x27, 0xDC, 0xD5, 0x1D, 0x21, 0xED };
 const MediaDrmBridge::SecurityLevel kLNone =
     MediaDrmBridge::SECURITY_LEVEL_NONE;
 const MediaDrmBridge::SecurityLevel kL1 = MediaDrmBridge::SECURITY_LEVEL_1;
 const MediaDrmBridge::SecurityLevel kL3 = MediaDrmBridge::SECURITY_LEVEL_3;
 
 // Helper functions to avoid typing "MediaDrmBridge::" in tests.
 
 static bool IsKeySystemSupported(const std::string& key_system) {
   return MediaDrmBridge::IsKeySystemSupported(key_system);
 }
@@ skipping 47 matching lines @@
   EXPECT_FALSE(IsKeySystemSupported(kInvalidKeySystem));
   EXPECT_FALSE(IsKeySystemSupportedWithType(kInvalidKeySystem, kAudioMp4));
   EXPECT_FALSE(IsKeySystemSupportedWithType(kInvalidKeySystem, kVideoMp4));
   EXPECT_FALSE(IsKeySystemSupportedWithType(kInvalidKeySystem, kAudioWebM));
   EXPECT_FALSE(IsKeySystemSupportedWithType(kInvalidKeySystem, kVideoWebM));
   EXPECT_FALSE(IsKeySystemSupportedWithType(kInvalidKeySystem, "unknown"));
   EXPECT_FALSE(IsKeySystemSupportedWithType(kInvalidKeySystem, "video/avi"));
   EXPECT_FALSE(IsKeySystemSupportedWithType(kInvalidKeySystem, "audio/mp3"));
 }
 
+TEST(MediaDrmBridgeTest, AddNewKeySystemMapping) {
+  EXPECT_FALSE(IsKeySystemSupported(kFooKeySystem));
+
+  // Use WV UUID for foo, because it is the only key system we can guarentee
+  // that it is installed in the test device.
+  std::vector<uint8> foo_uuid(kWidevineUuid,
+                              kWidevineUuid + arraysize(kWidevineUuid));
+  MediaDrmBridge::AddKeySystemUuidMapping(kFooKeySystem, foo_uuid);
+
+  EXPECT_TRUE_IF_AVAILABLE(IsKeySystemSupported(kFooKeySystem));
+  EXPECT_TRUE_IF_AVAILABLE(
+      IsKeySystemSupportedWithType(kFooKeySystem, kVideoMp4));
+}
+
+TEST(MediaDrmBridgeTest, ShouldNotOverwriteExistingKeySystem) {
+  EXPECT_TRUE_IF_AVAILABLE(IsKeySystemSupported(kWidevineKeySystem));
+  std::vector<uint8> invalid_uuid = std::vector<uint8>(16, 99);
+#if DCHECK_IS_ON
+  ASSERT_DEATH({
+    MediaDrmBridge::AddKeySystemUuidMapping(kWidevineKeySystem, invalid_uuid);
+  }, "");
+#else
+  // Try to add WV keysystem with the invalid UUID.
+  MediaDrmBridge::AddKeySystemUuidMapping(kWidevineKeySystem, invalid_uuid);
+
+  EXPECT_TRUE_IF_AVAILABLE(IsKeySystemSupported(kWidevineKeySystem));
+#endif
+}
+
 }  // namespace media