Move TestConfig to separate file.

Move functions Set/PrintCodecSettings, NumberOfTemporalLayers to TestConfig.
Add function NumberOfCores.

Bug: none
Change-Id: Ic33d79681d59d62bf34d9c9ff056a751ed3f8da8
Reviewed-on: https://webrtc-review.googlesource.com/13120
Commit-Queue: Åsa Persson <asapersson@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20358}

modules/video_coding/codecs/test/test_config_unittest.cc

@@ -0,0 +1,55 @@
+/*
+ *  Copyright (c) 2017 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 "modules/video_coding/codecs/test/test_config.h"
+#include "test/gtest.h"
+#include "test/video_codec_settings.h"
+
+namespace webrtc {
+namespace test {
+
+namespace {
+const int kNumTemporalLayers = 2;
+}  // namespace
+
+TEST(TestConfig, NumberOfCoresWithUseSingleCore) {
+  TestConfig config;
+  config.use_single_core = true;
+  EXPECT_EQ(1, config.NumberOfCores());
+}
+
+TEST(TestConfig, NumberOfCoresWithoutUseSingleCore) {
+  TestConfig config;
+  config.use_single_core = false;
+  EXPECT_GE(config.NumberOfCores(), 1);
+}
+
+TEST(TestConfig, NumberOfTemporalLayersIsOne) {
+  TestConfig config;
+  webrtc::test::CodecSettings(kVideoCodecH264, &config.codec_settings);
+  EXPECT_EQ(1, config.NumberOfTemporalLayers());
+}
+
+TEST(TestConfig, NumberOfTemporalLayers_Vp8) {
+  TestConfig config;
+  webrtc::test::CodecSettings(kVideoCodecVP8, &config.codec_settings);
+  config.codec_settings.VP8()->numberOfTemporalLayers = kNumTemporalLayers;
+  EXPECT_EQ(kNumTemporalLayers, config.NumberOfTemporalLayers());
+}
+
+TEST(TestConfig, NumberOfTemporalLayers_Vp9) {
+  TestConfig config;
+  webrtc::test::CodecSettings(kVideoCodecVP9, &config.codec_settings);
+  config.codec_settings.VP9()->numberOfTemporalLayers = kNumTemporalLayers;
+  EXPECT_EQ(kNumTemporalLayers, config.NumberOfTemporalLayers());
+}
+
+}  // namespace test
+}  // namespace webrtc