src/symbol_decoder_context_test.cc - platform/external/libgav1 - Git at Google

 // Copyright 2021 The libgav1 Authors
 //
 // 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 "src/symbol_decoder_context.h"

 #include <cstdint>
 #include <cstring>

 #include "gtest/gtest.h"
 #include "src/utils/constants.h"

 namespace libgav1 {
 namespace {

 TEST(SymbolDecoderContextTest, ResetIntraFrameYModeCdf) {
   // Note these are zero-initialized separately to avoid differences in padding
   // values added to tables for alignment purposes when comparing the contexts
   // with memcmp().
   libgav1::SymbolDecoderContext gold_context = {};
   libgav1::SymbolDecoderContext context = {};
   gold_context.Initialize(0);
   context.Initialize(0);
   EXPECT_EQ(memcmp(&gold_context, &context, sizeof(gold_context)), 0);
   EXPECT_EQ(context.intra_frame_y_mode_cdf[0][0][0], 32768 - 15588);
   EXPECT_EQ(context.intra_frame_y_mode_cdf[0][0][1], 32768 - 17027);
   ++context.intra_frame_y_mode_cdf[0][0][0];
   --context.intra_frame_y_mode_cdf[0][0][1];
   EXPECT_NE(memcmp(&gold_context, &context, sizeof(gold_context)), 0);
   context.ResetIntraFrameYModeCdf();
   EXPECT_EQ(memcmp(&gold_context, &context, sizeof(gold_context)), 0);
 }

 void ResetAndVerifyCounters(libgav1::SymbolDecoderContext* const context) {
   libgav1::SymbolDecoderContext gold_context = {};
   gold_context.Initialize(0);
   EXPECT_NE(memcmp(&gold_context, context, sizeof(gold_context)), 0);
   context->ResetCounters();
   EXPECT_EQ(memcmp(&gold_context, context, sizeof(gold_context)), 0);
 }

 TEST(SymbolDecoderContextTest, ResetCounters1d) {
   libgav1::SymbolDecoderContext context = {};
   context.Initialize(0);
   int value = 0;
   context.delta_q_cdf[libgav1::kDeltaSymbolCount] = ++value;
   context.delta_lf_cdf[libgav1::kDeltaSymbolCount] = ++value;
   context.intra_block_copy_cdf[libgav1::kBooleanSymbolCount] = ++value;
   context.cfl_alpha_signs_cdf[libgav1::kCflAlphaSignsSymbolCount] = ++value;
   context.filter_intra_mode_cdf[libgav1::kNumFilterIntraPredictors] = ++value;
   context.restoration_type_cdf[libgav1::kRestorationTypeSymbolCount] = ++value;
   context.use_wiener_cdf[libgav1::kBooleanSymbolCount] = ++value;
   context.use_sgrproj_cdf[libgav1::kBooleanSymbolCount] = ++value;
   ResetAndVerifyCounters(&context);
 }

 void IncreasePartitionCounters(SymbolDecoderContext* symbol_context,
                                int value) {
   const int min_bsize_log2 = k4x4WidthLog2[kBlock8x8];
   const int max_bsize_log2 = k4x4WidthLog2[kBlock128x128];
   for (int block_size_log2 = min_bsize_log2; block_size_log2 <= max_bsize_log2;
        ++block_size_log2) {
     for (int context = 0; context < kPartitionContexts; ++context) {
       const int cdf_size =
           SymbolDecoderContext::PartitionCdfSize(block_size_log2);
       symbol_context->partition_cdf[block_size_log2 - min_bsize_log2][context]
                                    [cdf_size] += value;
     }
   }
 }

 void IncreasePaletteColorIndexCounters(SymbolDecoderContext* symbol_context,
                                        int value) {
   for (auto& palette_color_index_cdf_plane :
        symbol_context->palette_color_index_cdf) {
     for (int symbol_count = 0; symbol_count < kPaletteSizeSymbolCount;
          ++symbol_count) {
       const int cdf_size = symbol_count + kMinPaletteSize;
       for (int context = 0; context < kPaletteColorIndexContexts; ++context) {
         palette_color_index_cdf_plane[symbol_count][context][cdf_size] += value;
       }
     }
   }
 }

 void IncreaseTxTypeCounters(SymbolDecoderContext* context, int value) {
   for (int set_idx = kTransformSetIntra1; set_idx <= kTransformSetIntra2;
        ++set_idx) {
     auto tx_set = static_cast<TransformSet>(set_idx);
     for (int tx_size = 0; tx_size < kNumExtendedTransformSizes; ++tx_size) {
       for (int mode = 0; mode < kIntraPredictionModesY; ++mode) {
         context->intra_tx_type_cdf[SymbolDecoderContext::TxTypeIndex(
             tx_set)][tx_size][mode][kNumTransformTypesInSet[tx_set]] += value;
       }
     }
   }

   for (int set_idx = kTransformSetInter1; set_idx <= kTransformSetInter3;
        ++set_idx) {
     auto tx_set = static_cast<TransformSet>(set_idx);
     for (int tx_size = 0; tx_size < kNumExtendedTransformSizes; ++tx_size) {
       context->inter_tx_type_cdf[SymbolDecoderContext::TxTypeIndex(tx_set)]
                                 [tx_size][kNumTransformTypesInSet[tx_set]] +=
           value;
     }
   }
 }

 void IncreaseTxDepthCounters(SymbolDecoderContext* symbol_context, int value) {
   for (int context = 0; context < kTxDepthContexts; ++context) {
     symbol_context->tx_depth_cdf[0][context][kMaxTxDepthSymbolCount - 1] +=
         value;
   }

   for (int plane_category = 1; plane_category < 4; ++plane_category) {
     for (int context = 0; context < kTxDepthContexts; ++context) {
       symbol_context
           ->tx_depth_cdf[plane_category][context][kMaxTxDepthSymbolCount] +=
           value;
     }
   }
 }

 void IncreaseUVModeCounters(SymbolDecoderContext* symbol_context, int value) {
   for (int cfl_allowed = 0; cfl_allowed < kBooleanSymbolCount; ++cfl_allowed) {
     for (int mode = 0; mode < kIntraPredictionModesY; ++mode) {
       symbol_context->uv_mode_cdf[cfl_allowed][mode][kIntraPredictionModesUV -
                                                      (1 - cfl_allowed)] +=
           value;
     }
   }
 }

 #define ASSIGN_COUNTER_2D(array, offset) \
   do {                                   \
     for (auto& d1 : context.array) {     \
       d1[libgav1::offset] = ++value;     \
     }                                    \
   } while (false)

 TEST(SymbolDecoderContextTest, ResetCounters2d) {
   libgav1::SymbolDecoderContext context = {};
   context.Initialize(0);
   int value = 0;
   ASSIGN_COUNTER_2D(segment_id_cdf, kMaxSegments);
   ASSIGN_COUNTER_2D(use_predicted_segment_id_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(skip_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(skip_mode_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(delta_lf_multi_cdf, kDeltaSymbolCount);
   ASSIGN_COUNTER_2D(y_mode_cdf, kIntraPredictionModesY);
   ASSIGN_COUNTER_2D(angle_delta_cdf, kAngleDeltaSymbolCount);
   ASSIGN_COUNTER_2D(cfl_alpha_cdf, kCflAlphaSymbolCount);
   ASSIGN_COUNTER_2D(use_filter_intra_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(tx_split_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(eob_pt_512_cdf, kEobPt512SymbolCount);
   ASSIGN_COUNTER_2D(eob_pt_1024_cdf, kEobPt1024SymbolCount);
   ASSIGN_COUNTER_2D(palette_y_size_cdf, kPaletteSizeSymbolCount);
   ASSIGN_COUNTER_2D(has_palette_uv_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(palette_uv_size_cdf, kPaletteSizeSymbolCount);
   ASSIGN_COUNTER_2D(is_inter_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(use_compound_reference_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(compound_reference_type_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(compound_prediction_mode_cdf,
                     kNumCompoundInterPredictionModes);
   ASSIGN_COUNTER_2D(new_mv_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(zero_mv_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(reference_mv_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(ref_mv_index_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(is_inter_intra_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(inter_intra_mode_cdf, kNumInterIntraModes);
   ASSIGN_COUNTER_2D(is_wedge_inter_intra_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(wedge_index_cdf, kWedgeIndexSymbolCount);
   ASSIGN_COUNTER_2D(use_obmc_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(motion_mode_cdf, kNumMotionModes);
   ASSIGN_COUNTER_2D(is_explicit_compound_type_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(is_compound_type_average_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_2D(compound_type_cdf, kNumExplicitCompoundPredictionTypes);
   ASSIGN_COUNTER_2D(interpolation_filter_cdf, kNumExplicitInterpolationFilters);
   ASSIGN_COUNTER_2D(mv_joint_cdf, kNumMvJointTypes);
   ResetAndVerifyCounters(&context);
 }

 #undef ASSIGN_COUNTER_2D

 #define ASSIGN_COUNTER_3D(array, offset) \
   do {                                   \
     for (auto& d1 : context.array) {     \
       for (auto& d2 : d1) {              \
         d2[libgav1::offset] = ++value;   \
       }                                  \
     }                                    \
   } while (false)

 TEST(SymbolDecoderContextTest, ResetCounters3d) {
   libgav1::SymbolDecoderContext context = {};
   context.Initialize(0);
   int value = 0;
   ASSIGN_COUNTER_3D(intra_frame_y_mode_cdf, kIntraPredictionModesY);
   ASSIGN_COUNTER_3D(all_zero_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(eob_pt_16_cdf, kEobPt16SymbolCount);
   ASSIGN_COUNTER_3D(eob_pt_32_cdf, kEobPt32SymbolCount);
   ASSIGN_COUNTER_3D(eob_pt_64_cdf, kEobPt64SymbolCount);
   ASSIGN_COUNTER_3D(eob_pt_128_cdf, kEobPt128SymbolCount);
   ASSIGN_COUNTER_3D(eob_pt_256_cdf, kEobPt256SymbolCount);
   ASSIGN_COUNTER_3D(dc_sign_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(has_palette_y_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(compound_backward_reference_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(single_reference_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(mv_sign_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(mv_class_cdf, kMvClassSymbolCount);
   ASSIGN_COUNTER_3D(mv_class0_bit_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(mv_class0_high_precision_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_3D(mv_fraction_cdf, kMvFractionSymbolCount);
   ASSIGN_COUNTER_3D(mv_high_precision_cdf, kBooleanSymbolCount);
   IncreasePartitionCounters(&context, value);
   IncreaseTxTypeCounters(&context, value);
   IncreaseTxDepthCounters(&context, value);
   IncreaseUVModeCounters(&context, value);
   ResetAndVerifyCounters(&context);
 }

 #undef ASSIGN_COUNTER_3D

 #define ASSIGN_COUNTER_4D(array, offset) \
   do {                                   \
     for (auto& d1 : context.array) {     \
       for (auto& d2 : d1) {              \
         for (auto& d3 : d2) {            \
           d3[libgav1::offset] = ++value; \
         }                                \
       }                                  \
     }                                    \
   } while (false)

 TEST(SymbolDecoderContextTest, ResetCounters4d) {
   libgav1::SymbolDecoderContext context = {};
   context.Initialize(0);
   int value = 0;
   ASSIGN_COUNTER_4D(eob_extra_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_4D(coeff_base_eob_cdf, kCoeffBaseEobSymbolCount);
   ASSIGN_COUNTER_4D(coeff_base_cdf, kCoeffBaseSymbolCount);
   ASSIGN_COUNTER_4D(coeff_base_range_cdf, kCoeffBaseRangeSymbolCount);
   ASSIGN_COUNTER_4D(compound_reference_cdf, kBooleanSymbolCount);
   ASSIGN_COUNTER_4D(mv_class0_fraction_cdf, kMvFractionSymbolCount);
   ASSIGN_COUNTER_4D(mv_bit_cdf, kBooleanSymbolCount);
   IncreasePaletteColorIndexCounters(&context, value);
   IncreaseTxTypeCounters(&context, value);
   ResetAndVerifyCounters(&context);
 }

 #undef ASSIGN_COUNTER_4D

 }  // namespace
 }  // namespace libgav1
	// Copyright 2021 The libgav1 Authors
	//
	// 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 "src/symbol_decoder_context.h"

	#include <cstdint>
	#include <cstring>

	#include "gtest/gtest.h"
	#include "src/utils/constants.h"

	namespace libgav1 {
	namespace {

	TEST(SymbolDecoderContextTest, ResetIntraFrameYModeCdf) {
	// Note these are zero-initialized separately to avoid differences in padding
	// values added to tables for alignment purposes when comparing the contexts
	// with memcmp().
	libgav1::SymbolDecoderContext gold_context = {};
	libgav1::SymbolDecoderContext context = {};
	gold_context.Initialize(0);
	context.Initialize(0);
	EXPECT_EQ(memcmp(&gold_context, &context, sizeof(gold_context)), 0);
	EXPECT_EQ(context.intra_frame_y_mode_cdf[0][0][0], 32768 - 15588);
	EXPECT_EQ(context.intra_frame_y_mode_cdf[0][0][1], 32768 - 17027);
	++context.intra_frame_y_mode_cdf[0][0][0];
	--context.intra_frame_y_mode_cdf[0][0][1];
	EXPECT_NE(memcmp(&gold_context, &context, sizeof(gold_context)), 0);
	context.ResetIntraFrameYModeCdf();
	EXPECT_EQ(memcmp(&gold_context, &context, sizeof(gold_context)), 0);
	}

	void ResetAndVerifyCounters(libgav1::SymbolDecoderContext* const context) {
	libgav1::SymbolDecoderContext gold_context = {};
	gold_context.Initialize(0);
	EXPECT_NE(memcmp(&gold_context, context, sizeof(gold_context)), 0);
	context->ResetCounters();
	EXPECT_EQ(memcmp(&gold_context, context, sizeof(gold_context)), 0);
	}

	TEST(SymbolDecoderContextTest, ResetCounters1d) {
	libgav1::SymbolDecoderContext context = {};
	context.Initialize(0);
	int value = 0;
	context.delta_q_cdf[libgav1::kDeltaSymbolCount] = ++value;
	context.delta_lf_cdf[libgav1::kDeltaSymbolCount] = ++value;
	context.intra_block_copy_cdf[libgav1::kBooleanSymbolCount] = ++value;
	context.cfl_alpha_signs_cdf[libgav1::kCflAlphaSignsSymbolCount] = ++value;
	context.filter_intra_mode_cdf[libgav1::kNumFilterIntraPredictors] = ++value;
	context.restoration_type_cdf[libgav1::kRestorationTypeSymbolCount] = ++value;
	context.use_wiener_cdf[libgav1::kBooleanSymbolCount] = ++value;
	context.use_sgrproj_cdf[libgav1::kBooleanSymbolCount] = ++value;
	ResetAndVerifyCounters(&context);
	}

	void IncreasePartitionCounters(SymbolDecoderContext* symbol_context,
	int value) {
	const int min_bsize_log2 = k4x4WidthLog2[kBlock8x8];
	const int max_bsize_log2 = k4x4WidthLog2[kBlock128x128];
	for (int block_size_log2 = min_bsize_log2; block_size_log2 <= max_bsize_log2;
	++block_size_log2) {
	for (int context = 0; context < kPartitionContexts; ++context) {
	const int cdf_size =
	SymbolDecoderContext::PartitionCdfSize(block_size_log2);
	symbol_context->partition_cdf[block_size_log2 - min_bsize_log2][context]
	[cdf_size] += value;
	}
	}
	}

	void IncreasePaletteColorIndexCounters(SymbolDecoderContext* symbol_context,
	int value) {
	for (auto& palette_color_index_cdf_plane :
	symbol_context->palette_color_index_cdf) {
	for (int symbol_count = 0; symbol_count < kPaletteSizeSymbolCount;
	++symbol_count) {
	const int cdf_size = symbol_count + kMinPaletteSize;
	for (int context = 0; context < kPaletteColorIndexContexts; ++context) {
	palette_color_index_cdf_plane[symbol_count][context][cdf_size] += value;
	}
	}
	}
	}

	void IncreaseTxTypeCounters(SymbolDecoderContext* context, int value) {
	for (int set_idx = kTransformSetIntra1; set_idx <= kTransformSetIntra2;
	++set_idx) {
	auto tx_set = static_cast<TransformSet>(set_idx);
	for (int tx_size = 0; tx_size < kNumExtendedTransformSizes; ++tx_size) {
	for (int mode = 0; mode < kIntraPredictionModesY; ++mode) {
	context->intra_tx_type_cdf[SymbolDecoderContext::TxTypeIndex(
	tx_set)][tx_size][mode][kNumTransformTypesInSet[tx_set]] += value;
	}
	}
	}

	for (int set_idx = kTransformSetInter1; set_idx <= kTransformSetInter3;
	++set_idx) {
	auto tx_set = static_cast<TransformSet>(set_idx);
	for (int tx_size = 0; tx_size < kNumExtendedTransformSizes; ++tx_size) {
	context->inter_tx_type_cdf[SymbolDecoderContext::TxTypeIndex(tx_set)]
	[tx_size][kNumTransformTypesInSet[tx_set]] +=
	value;
	}
	}
	}

	void IncreaseTxDepthCounters(SymbolDecoderContext* symbol_context, int value) {
	for (int context = 0; context < kTxDepthContexts; ++context) {
	symbol_context->tx_depth_cdf[0][context][kMaxTxDepthSymbolCount - 1] +=
	value;
	}

	for (int plane_category = 1; plane_category < 4; ++plane_category) {
	for (int context = 0; context < kTxDepthContexts; ++context) {
	symbol_context
	->tx_depth_cdf[plane_category][context][kMaxTxDepthSymbolCount] +=
	value;
	}
	}
	}

	void IncreaseUVModeCounters(SymbolDecoderContext* symbol_context, int value) {
	for (int cfl_allowed = 0; cfl_allowed < kBooleanSymbolCount; ++cfl_allowed) {
	for (int mode = 0; mode < kIntraPredictionModesY; ++mode) {
	symbol_context->uv_mode_cdf[cfl_allowed][mode][kIntraPredictionModesUV -
	(1 - cfl_allowed)] +=
	value;
	}
	}
	}

	#define ASSIGN_COUNTER_2D(array, offset) \
	do { \
	for (auto& d1 : context.array) { \
	d1[libgav1::offset] = ++value; \
	} \
	} while (false)

	TEST(SymbolDecoderContextTest, ResetCounters2d) {
	libgav1::SymbolDecoderContext context = {};
	context.Initialize(0);
	int value = 0;
	ASSIGN_COUNTER_2D(segment_id_cdf, kMaxSegments);
	ASSIGN_COUNTER_2D(use_predicted_segment_id_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(skip_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(skip_mode_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(delta_lf_multi_cdf, kDeltaSymbolCount);
	ASSIGN_COUNTER_2D(y_mode_cdf, kIntraPredictionModesY);
	ASSIGN_COUNTER_2D(angle_delta_cdf, kAngleDeltaSymbolCount);
	ASSIGN_COUNTER_2D(cfl_alpha_cdf, kCflAlphaSymbolCount);
	ASSIGN_COUNTER_2D(use_filter_intra_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(tx_split_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(eob_pt_512_cdf, kEobPt512SymbolCount);
	ASSIGN_COUNTER_2D(eob_pt_1024_cdf, kEobPt1024SymbolCount);
	ASSIGN_COUNTER_2D(palette_y_size_cdf, kPaletteSizeSymbolCount);
	ASSIGN_COUNTER_2D(has_palette_uv_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(palette_uv_size_cdf, kPaletteSizeSymbolCount);
	ASSIGN_COUNTER_2D(is_inter_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(use_compound_reference_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(compound_reference_type_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(compound_prediction_mode_cdf,
	kNumCompoundInterPredictionModes);
	ASSIGN_COUNTER_2D(new_mv_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(zero_mv_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(reference_mv_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(ref_mv_index_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(is_inter_intra_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(inter_intra_mode_cdf, kNumInterIntraModes);
	ASSIGN_COUNTER_2D(is_wedge_inter_intra_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(wedge_index_cdf, kWedgeIndexSymbolCount);
	ASSIGN_COUNTER_2D(use_obmc_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(motion_mode_cdf, kNumMotionModes);
	ASSIGN_COUNTER_2D(is_explicit_compound_type_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(is_compound_type_average_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_2D(compound_type_cdf, kNumExplicitCompoundPredictionTypes);
	ASSIGN_COUNTER_2D(interpolation_filter_cdf, kNumExplicitInterpolationFilters);
	ASSIGN_COUNTER_2D(mv_joint_cdf, kNumMvJointTypes);
	ResetAndVerifyCounters(&context);
	}

	#undef ASSIGN_COUNTER_2D

	#define ASSIGN_COUNTER_3D(array, offset) \
	do { \
	for (auto& d1 : context.array) { \
	for (auto& d2 : d1) { \
	d2[libgav1::offset] = ++value; \
	} \
	} \
	} while (false)

	TEST(SymbolDecoderContextTest, ResetCounters3d) {
	libgav1::SymbolDecoderContext context = {};
	context.Initialize(0);
	int value = 0;
	ASSIGN_COUNTER_3D(intra_frame_y_mode_cdf, kIntraPredictionModesY);
	ASSIGN_COUNTER_3D(all_zero_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(eob_pt_16_cdf, kEobPt16SymbolCount);
	ASSIGN_COUNTER_3D(eob_pt_32_cdf, kEobPt32SymbolCount);
	ASSIGN_COUNTER_3D(eob_pt_64_cdf, kEobPt64SymbolCount);
	ASSIGN_COUNTER_3D(eob_pt_128_cdf, kEobPt128SymbolCount);
	ASSIGN_COUNTER_3D(eob_pt_256_cdf, kEobPt256SymbolCount);
	ASSIGN_COUNTER_3D(dc_sign_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(has_palette_y_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(compound_backward_reference_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(single_reference_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(mv_sign_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(mv_class_cdf, kMvClassSymbolCount);
	ASSIGN_COUNTER_3D(mv_class0_bit_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(mv_class0_high_precision_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_3D(mv_fraction_cdf, kMvFractionSymbolCount);
	ASSIGN_COUNTER_3D(mv_high_precision_cdf, kBooleanSymbolCount);
	IncreasePartitionCounters(&context, value);
	IncreaseTxTypeCounters(&context, value);
	IncreaseTxDepthCounters(&context, value);
	IncreaseUVModeCounters(&context, value);
	ResetAndVerifyCounters(&context);
	}

	#undef ASSIGN_COUNTER_3D

	#define ASSIGN_COUNTER_4D(array, offset) \
	do { \
	for (auto& d1 : context.array) { \
	for (auto& d2 : d1) { \
	for (auto& d3 : d2) { \
	d3[libgav1::offset] = ++value; \
	} \
	} \
	} \
	} while (false)

	TEST(SymbolDecoderContextTest, ResetCounters4d) {
	libgav1::SymbolDecoderContext context = {};
	context.Initialize(0);
	int value = 0;
	ASSIGN_COUNTER_4D(eob_extra_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_4D(coeff_base_eob_cdf, kCoeffBaseEobSymbolCount);
	ASSIGN_COUNTER_4D(coeff_base_cdf, kCoeffBaseSymbolCount);
	ASSIGN_COUNTER_4D(coeff_base_range_cdf, kCoeffBaseRangeSymbolCount);
	ASSIGN_COUNTER_4D(compound_reference_cdf, kBooleanSymbolCount);
	ASSIGN_COUNTER_4D(mv_class0_fraction_cdf, kMvFractionSymbolCount);
	ASSIGN_COUNTER_4D(mv_bit_cdf, kBooleanSymbolCount);
	IncreasePaletteColorIndexCounters(&context, value);
	IncreaseTxTypeCounters(&context, value);
	ResetAndVerifyCounters(&context);
	}

	#undef ASSIGN_COUNTER_4D

	} // namespace
	} // namespace libgav1