1 files changed, 122 insertions, 0 deletions
diff --git a/media/libaom/src/test/blockd_test.cc b/media/libaom/src/test/blockd_test.cc
new file mode 100644
index 000000000..ab624007c
--- /dev/null
+++ b/media/libaom/src/test/blockd_test.cc
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2018, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include "av1/common/blockd.h"
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+// Verify the optimized implementation of get_partition_subsize() produces the
+// same results as the Partition_Subsize lookup table in the spec.
+TEST(BlockdTest, GetPartitionSubsize) {
+  // The Partition_Subsize table in the spec (Section 9.3. Conversion tables).
+  /* clang-format off */
+  static const BLOCK_SIZE kPartitionSubsize[10][BLOCK_SIZES_ALL] = {
+    {
+                                    BLOCK_4X4,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_128X128,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X4,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_128X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X128,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X4,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X4,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_128X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X4,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_128X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X128,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X128,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X4,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_32X8,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_64X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }, {
+                                    BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_4X16,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_8X32,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_16X64,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID,
+      BLOCK_INVALID, BLOCK_INVALID, BLOCK_INVALID
+    }
+  };
+  /* clang-format on */
+
+  for (int partition = 0; partition < 10; partition++) {
+    for (int bsize = BLOCK_4X4; bsize < BLOCK_SIZES_ALL; bsize++) {
+      EXPECT_EQ(kPartitionSubsize[partition][bsize],
+                get_partition_subsize(static_cast<BLOCK_SIZE>(bsize),
+                                      static_cast<PARTITION_TYPE>(partition)));
+    }
+  }
+}