Merge "Add unit tests for AidlConversionNdk"

{

  "presubmit": [

    {

      "name": "audio_aidl_ndk_conversion_tests"

    }

  ]

}

package {

    // See: http://go/android-license-faq

    // A large-scale-change added 'default_applicable_licenses' to import

    // all of the 'license_kinds' from "frameworks_av_license"

    // to get the below license kinds:

    //   SPDX-license-identifier-Apache-2.0

    default_applicable_licenses: ["frameworks_av_license"],

}

cc_defaults {

    name: "libaudio_aidl_conversion_tests_defaults",

    test_suites: ["device-tests"],

    cflags: [

        "-Wall",

        "-Werror",

    ],

    sanitize: {

        misc_undefined: [

            "unsigned-integer-overflow",

            "signed-integer-overflow",

        ],

    },

}

cc_test {

    name: "audio_aidl_ndk_conversion_tests",

    defaults: [

        "latest_android_media_audio_common_types_ndk_static",

        "latest_android_hardware_audio_common_ndk_static",

        "libaudio_aidl_conversion_tests_defaults",

    ],

    srcs: ["audio_aidl_ndk_conversion_tests.cpp"],

    shared_libs: [

        "libbinder",

        "libcutils",

        "liblog",

        "libutils",

    ],

    static_libs: [

        "libaudio_aidl_conversion_common_ndk",

    ],

    cflags: [

        "-DBACKEND_NDK",

    ],

}

/*

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <iostream>

#include <type_traits>

#include <gtest/gtest.h>

#include <media/AidlConversionNdk.h>

namespace {

template<typename> struct mf_traits {};

template<class T, class U> struct mf_traits<U T::*> {

    using member_type = U;

};

}  // namespace

// Provide value printers for types generated from AIDL

// They need to be in the same namespace as the types we intend to print

namespace aidl::android::hardware::audio::common {

    template <typename P>

    std::enable_if_t<std::is_function_v<typename mf_traits<decltype(&P::toString)>::member_type>,

            std::ostream&> operator<<(std::ostream& os, const P& p) {

        return os << p.toString();

    }

    template <typename E>

    std::enable_if_t<std::is_enum_v<E>, std::ostream&> operator<<(std::ostream& os, const E& e) {

        return os << toString(e);

    }

}  // namespace aidl::android::hardware::audio::common

using aidl::android::hardware::audio::common::PlaybackTrackMetadata;

using aidl::android::hardware::audio::common::RecordTrackMetadata;

using aidl::android::media::audio::common::AudioSource;

using aidl::android::media::audio::common::AudioUsage;

using namespace aidl::android;   // for conversion functions

TEST(AudioPlaybackTrackMetadata, Aidl2Legacy2Aidl) {

    const PlaybackTrackMetadata initial{ .usage = AudioUsage::UNKNOWN };

    auto conv = aidl2legacy_PlaybackTrackMetadata_playback_track_metadata_v7(initial);

    ASSERT_TRUE(conv.ok());

    auto convBack = legacy2aidl_playback_track_metadata_v7_PlaybackTrackMetadata(conv.value());

    ASSERT_TRUE(convBack.ok());

    EXPECT_EQ(initial, convBack.value());

}

TEST(AudioPlaybackTrackMetadata, NonVendorTags) {

    PlaybackTrackMetadata initial{ .usage = AudioUsage::UNKNOWN };

    initial.tags.emplace_back("random string");  // Must be filtered out.

    initial.tags.emplace_back("VX_GOOGLE_42");

    auto conv = aidl2legacy_PlaybackTrackMetadata_playback_track_metadata_v7(initial);

    ASSERT_TRUE(conv.ok());

    auto convBack = legacy2aidl_playback_track_metadata_v7_PlaybackTrackMetadata(conv.value());

    ASSERT_TRUE(convBack.ok());

    ASSERT_EQ(1, convBack.value().tags.size());

    EXPECT_EQ(initial.tags[1], convBack.value().tags[0]);

}

TEST(AudioRecordTrackMetadata, Aidl2Legacy2Aidl) {

    const RecordTrackMetadata initial{ .source = AudioSource::DEFAULT };

    auto conv = aidl2legacy_RecordTrackMetadata_record_track_metadata_v7(initial);

    ASSERT_TRUE(conv.ok());

    auto convBack = legacy2aidl_record_track_metadata_v7_RecordTrackMetadata(conv.value());

    ASSERT_TRUE(convBack.ok());

    EXPECT_EQ(initial, convBack.value());

}

TEST(AudioRecordTrackMetadata, NonVendorTags) {

    RecordTrackMetadata initial{ .source = AudioSource::DEFAULT };

    initial.tags.emplace_back("random string");  // Must be filtered out.

    initial.tags.emplace_back("VX_GOOGLE_42");

    auto conv = aidl2legacy_RecordTrackMetadata_record_track_metadata_v7(initial);

    ASSERT_TRUE(conv.ok());

    auto convBack = legacy2aidl_record_track_metadata_v7_RecordTrackMetadata(conv.value());

    ASSERT_TRUE(convBack.ok());

    ASSERT_EQ(1, convBack.value().tags.size());

    EXPECT_EQ(initial.tags[1], convBack.value().tags[0]);

}