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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/test/divu_small_test.cc | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/third_party/aom/test/divu_small_test.cc b/third_party/aom/test/divu_small_test.cc new file mode 100644 index 0000000000..496fbc1f8e --- /dev/null +++ b/third_party/aom/test/divu_small_test.cc @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2016, 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 <stdlib.h> + +#include "third_party/googletest/src/googletest/include/gtest/gtest.h" + +#include "test/acm_random.h" +#include "aom_dsp/odintrin.h" + +using libaom_test::ACMRandom; + +TEST(DivuSmallTest, TestDIVUuptoMAX) { + for (int d = 1; d <= OD_DIVU_DMAX; d++) { + for (uint32_t x = 1; x <= 1000000; x++) { + GTEST_ASSERT_EQ(x / d, OD_DIVU_SMALL(x, d)) + << "x=" << x << " d=" << d << " x/d=" << (x / d) + << " != " << OD_DIVU_SMALL(x, d); + } + } +} + +TEST(DivuSmallTest, TestDIVUrandI31) { + ACMRandom rnd(ACMRandom::DeterministicSeed()); + for (int d = 1; d < OD_DIVU_DMAX; d++) { + for (int i = 0; i < 1000000; i++) { + uint32_t x = rnd.Rand31(); + GTEST_ASSERT_EQ(x / d, OD_DIVU_SMALL(x, d)) + << "x=" << x << " d=" << d << " x/d=" << (x / d) + << " != " << OD_DIVU_SMALL(x, d); + } + } +} |