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-rw-r--r--media/libaom/src/test/divu_small_test.cc41
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diff --git a/media/libaom/src/test/divu_small_test.cc b/media/libaom/src/test/divu_small_test.cc
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+/*
+ * 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 "av1/common/odintrin.h"
+
+using libaom_test::ACMRandom;
+
+TEST(Daala, 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(Daala, 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);
+ }
+ }
+}