48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
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/*
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* Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/video_coding/svc/scalability_mode_util.h"
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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#include "api/video_codecs/scalability_mode.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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TEST(ScalabilityModeUtil, ConvertsL1T2) {
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EXPECT_EQ(ScalabilityModeFromString("L1T2"), ScalabilityMode::kL1T2);
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EXPECT_EQ(ScalabilityModeToString(ScalabilityMode::kL1T2), "L1T2");
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}
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TEST(ScalabilityModeUtil, RejectsUnknownString) {
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EXPECT_EQ(ScalabilityModeFromString(""), absl::nullopt);
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EXPECT_EQ(ScalabilityModeFromString("not-a-mode"), absl::nullopt);
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}
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// Check roundtrip conversion of all enum values.
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TEST(ScalabilityModeUtil, ConvertsAllToAndFromString) {
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const ScalabilityMode kLastEnum = ScalabilityMode::kS3T3;
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for (int numerical_enum = 0; numerical_enum <= static_cast<int>(kLastEnum);
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numerical_enum++) {
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ScalabilityMode scalability_mode =
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static_cast<ScalabilityMode>(numerical_enum);
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absl::string_view scalability_mode_string =
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ScalabilityModeToString(scalability_mode);
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EXPECT_FALSE(scalability_mode_string.empty());
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EXPECT_EQ(ScalabilityModeFromString(scalability_mode_string),
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scalability_mode);
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}
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}
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} // namespace
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} // namespace webrtc
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