Add unit test for JavaToNativeVideoCodecInfo.

Bug: webrtc:9495
Change-Id: I8f667f81754ed299a99ddc85af8ee73b148a2335
Reviewed-on: https://webrtc-review.googlesource.com/87580
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23885}

sdk/android/BUILD.gn

@@ -1269,6 +1269,7 @@ generate_jni("generated_native_unittests_jni") {
   sources = [
     "native_unittests/org/webrtc/ApplicationContextProvider.java",
     "native_unittests/org/webrtc/BuildInfo.java",
+    "native_unittests/org/webrtc/CodecsWrapperTestHelper.java",
     "native_unittests/org/webrtc/JavaTypesTestHelper.java",
     "native_unittests/org/webrtc/JavaVideoSourceTestHelper.java",
     "native_unittests/org/webrtc/PeerConnectionFactoryInitializationHelper.java",
@@ -1284,6 +1285,7 @@ rtc_android_library("native_unittests_java") {
   java_files = [
     "native_unittests/org/webrtc/ApplicationContextProvider.java",
     "native_unittests/org/webrtc/BuildInfo.java",
+    "native_unittests/org/webrtc/CodecsWrapperTestHelper.java",
     "native_unittests/org/webrtc/JavaTypesTestHelper.java",
     "native_unittests/org/webrtc/JavaVideoSourceTestHelper.java",
     "native_unittests/org/webrtc/PeerConnectionFactoryInitializationHelper.java",
@@ -1300,6 +1302,7 @@ rtc_source_set("native_unittests") {
 
   sources = [
     "native_unittests/audio_device/audio_device_unittest.cc",
+    "native_unittests/codecs/wrapper_unittest.cc",
     "native_unittests/java_types_unittest.cc",
     "native_unittests/peerconnection/peerconnectionfactory_unittest.cc",
     "native_unittests/test_jni_onload.cc",
@@ -1324,6 +1327,7 @@ rtc_source_set("native_unittests") {
     ":media_jni",
     ":native_api_audio_device_module",
     ":native_api_base",
+    ":native_api_codecs",
     ":native_api_jni",
     ":native_api_peerconnection",
     ":native_api_video",

sdk/android/native_unittests/codecs/DEPS

@@ -0,0 +1,3 @@
+include_rules = [
+  "+media/base/mediaconstants.h",
+]

sdk/android/native_unittests/codecs/wrapper_unittest.cc

@@ -0,0 +1,35 @@
+/*
+ *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "sdk/android/native_api/codecs/wrapper.h"
+#include "media/base/mediaconstants.h"
+#include "sdk/android/generated_native_unittests_jni/jni/CodecsWrapperTestHelper_jni.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace test {
+namespace {
+TEST(JavaCodecsWrapperTest, JavaToNativeVideoCodecInfo) {
+  JNIEnv* env = AttachCurrentThreadIfNeeded();
+  ScopedJavaLocalRef<jobject> j_video_codec_info =
+      jni::Java_CodecsWrapperTestHelper_createTestVideoCodecInfo(env);
+
+  const SdpVideoFormat video_format =
+      JavaToNativeVideoCodecInfo(env, j_video_codec_info.obj());
+
+  EXPECT_EQ(cricket::kH264CodecName, video_format.name);
+  const auto it =
+      video_format.parameters.find(cricket::kH264FmtpProfileLevelId);
+  ASSERT_NE(it, video_format.parameters.end());
+  EXPECT_EQ(cricket::kH264ProfileLevelConstrainedBaseline, it->second);
+}
+}  // namespace
+}  // namespace test
+}  // namespace webrtc

sdk/android/native_unittests/org/webrtc/CodecsWrapperTestHelper.java

@@ -0,0 +1,26 @@
+/*
+ *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class CodecsWrapperTestHelper {
+  @CalledByNative
+  public static VideoCodecInfo createTestVideoCodecInfo() {
+    Map<String, String> params = new HashMap<String, String>();
+    params.put(
+        VideoCodecInfo.H264_FMTP_PROFILE_LEVEL_ID, VideoCodecInfo.H264_CONSTRAINED_BASELINE_3_1);
+
+    VideoCodecInfo codec_info = new VideoCodecInfo("H264", params);
+    return codec_info;
+  }
+}