android/libwvdrmengine/oemcrypto/test/oemcrypto_resource_test.h

// Copyright 2022 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine
// License Agreement.
//
// Test data for OEMCrypto unit tests.
//
#ifndef CDM_OEMCRYPTO_RESOURCE_TEST_
#define CDM_OEMCRYPTO_RESOURCE_TEST_

#include <gtest/gtest.h>

#include "OEMCryptoCENC.h"
#include "oemcrypto_types.h"

namespace wvoec {
constexpr size_t kBufferOverrunPadding = 16;

// Resource tiers:
constexpr size_t KiB = 1024;
constexpr size_t MiB = 1024 * 1024;
// Huge input buffer length used for OEMCryptoMemory* tests.
constexpr size_t kHugeInputBufferLength = 100 * MiB;
constexpr bool kCheckStatus = true;
constexpr bool kUpdateCoreMessageSubstringValues = true;
constexpr bool kDecryptCENCSecureBuffer = true;
constexpr size_t kHugeRandomNumber = 541236;
// With OEMCrypto v15 and above, we have different resource requirements
// depending on the resource rating reported by OEMCrypto.  This function looks
// up the required value for the specified resource for the target OEMCrypto
// library.
template <typename T, size_t N>
T GetResourceValue(T (&resource_values)[N]) {
  if (global_features.resource_rating < 1) return resource_values[0];
  if (global_features.resource_rating > N) return resource_values[N - 1];
  return resource_values[global_features.resource_rating - 1];
}

// After API 16, we require 300 entries in the usage table. Before API 16, we
// required 200.
inline size_t RequiredUsageSize() {
  return global_features.api_version < 16 ? 200 : 300;
}

// These are the maximum sizes we test. That means it is the minimum size that
// OEMCrypto must support.
// clang-format off
const size_t kMaxSampleSize[] = {      1*MiB,   2*MiB,   4*MiB, 16*MiB};
const size_t kMaxNumberSubsamples[] = {   10,      16,      32,     64};
const size_t kMaxSubsampleSize[] = { 100*KiB, 500*KiB,   1*MiB,  4*MiB};
const size_t kMaxGenericBuffer[] = {  10*KiB, 100*KiB, 500*KiB,  1*MiB};
const size_t kMaxConcurrentSession[] = {  10,      20,      30,     40};
const size_t kMaxKeysPerSession[] = {      4,      20,      20,     30};
const size_t kMaxTotalKeys[] = {          16,      40,      80,     90};
const size_t kLargeMessageSize[] = {   8*KiB,   8*KiB,  16*KiB, 32*KiB};
const size_t kMaxTotalDRMPrivateKeys[] = { 2,       4,       6,      8};
// Note: Frame rate and simultaneous playback are specified by resource rating,
// but are tested at the system level, so there are no unit tests for frame
// rate. Similarly, number of subsamples for AV1
// const size_t kAV1NumberSubsamples[] = { 72,    144,     288,    576};
// clang-format on
}  // namespace wvoec
#endif  // CDM_OEMCRYPTO_RESOURCE_TEST_