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-rw-r--r--third_party/aom/test/hash_test.cc133
1 files changed, 133 insertions, 0 deletions
diff --git a/third_party/aom/test/hash_test.cc b/third_party/aom/test/hash_test.cc
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index 000000000..e9f7f63c9
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+++ b/third_party/aom/test/hash_test.cc
@@ -0,0 +1,133 @@
+/*
+ * 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 <cstdlib>
+#include <new>
+
+#include "config/aom_config.h"
+#include "config/av1_rtcd.h"
+
+#include "aom_ports/aom_timer.h"
+#include "av1/encoder/hash.h"
+#include "test/acm_random.h"
+#include "test/util.h"
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+namespace {
+
+typedef uint32_t (*get_crc32c_value_func)(void *calculator, uint8_t *p,
+ int length);
+
+typedef ::testing::tuple<get_crc32c_value_func, int> HashParam;
+
+class AV1Crc32cHashTest : public ::testing::TestWithParam<HashParam> {
+ public:
+ ~AV1Crc32cHashTest();
+ void SetUp();
+
+ void TearDown();
+
+ protected:
+ void RunCheckOutput(get_crc32c_value_func test_impl);
+ void RunSpeedTest(get_crc32c_value_func test_impl);
+
+ void RunZeroTest(get_crc32c_value_func test_impl);
+
+ libaom_test::ACMRandom rnd_;
+ CRC32C calc_;
+ uint8_t *buffer_;
+ int bsize_;
+ int length_;
+};
+
+AV1Crc32cHashTest::~AV1Crc32cHashTest() { ; }
+
+void AV1Crc32cHashTest::SetUp() {
+ rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed());
+ av1_crc32c_calculator_init(&calc_);
+
+ bsize_ = GET_PARAM(1);
+ length_ = bsize_ * bsize_ * sizeof(uint16_t);
+ buffer_ = new uint8_t[length_];
+ ASSERT_TRUE(buffer_ != NULL);
+ for (int i = 0; i < length_; ++i) {
+ buffer_[i] = rnd_.Rand8();
+ }
+}
+
+void AV1Crc32cHashTest::TearDown() { delete[] buffer_; }
+
+void AV1Crc32cHashTest::RunCheckOutput(get_crc32c_value_func test_impl) {
+ get_crc32c_value_func ref_impl = av1_get_crc32c_value_c;
+ // for the same buffer crc should be the same
+ uint32_t crc0 = test_impl(&calc_, buffer_, length_);
+ uint32_t crc1 = test_impl(&calc_, buffer_, length_);
+ uint32_t crc2 = ref_impl(&calc_, buffer_, length_);
+ ASSERT_EQ(crc0, crc1);
+ ASSERT_EQ(crc0, crc2); // should equal to software version
+ // modify buffer
+ buffer_[0] += 1;
+ uint32_t crc3 = test_impl(&calc_, buffer_, length_);
+ uint32_t crc4 = ref_impl(&calc_, buffer_, length_);
+ ASSERT_NE(crc0, crc3); // crc shoud not equal to previous one
+ ASSERT_EQ(crc3, crc4);
+}
+
+void AV1Crc32cHashTest::RunSpeedTest(get_crc32c_value_func test_impl) {
+ get_crc32c_value_func impls[] = { av1_get_crc32c_value_c, test_impl };
+ const int repeat = 10000000 / (bsize_ + bsize_);
+
+ aom_usec_timer timer;
+ double time[2];
+ for (int i = 0; i < 2; ++i) {
+ aom_usec_timer_start(&timer);
+ for (int j = 0; j < repeat; ++j) {
+ impls[i](&calc_, buffer_, length_);
+ }
+ aom_usec_timer_mark(&timer);
+ time[i] = static_cast<double>(aom_usec_timer_elapsed(&timer));
+ }
+ printf("hash %3dx%-3d:%7.2f/%7.2fus", bsize_, bsize_, time[0], time[1]);
+ printf("(%3.2f)\n", time[0] / time[1]);
+}
+
+void AV1Crc32cHashTest::RunZeroTest(get_crc32c_value_func test_impl) {
+ uint8_t buffer0[1024] = { 0 };
+ // for buffer with different size the crc should not be the same
+ const uint32_t crc0 = test_impl(&calc_, buffer0, 32);
+ const uint32_t crc1 = test_impl(&calc_, buffer0, 128);
+ const uint32_t crc2 = test_impl(&calc_, buffer0, 1024);
+ ASSERT_NE(crc0, crc1);
+ ASSERT_NE(crc0, crc2);
+ ASSERT_NE(crc1, crc2);
+}
+
+TEST_P(AV1Crc32cHashTest, CheckOutput) { RunCheckOutput(GET_PARAM(0)); }
+
+TEST_P(AV1Crc32cHashTest, CheckZero) { RunZeroTest(GET_PARAM(0)); }
+
+TEST_P(AV1Crc32cHashTest, DISABLED_Speed) { RunSpeedTest(GET_PARAM(0)); }
+
+const int kValidBlockSize[] = { 64, 32, 8, 4 };
+
+INSTANTIATE_TEST_CASE_P(
+ C, AV1Crc32cHashTest,
+ ::testing::Combine(::testing::Values(&av1_get_crc32c_value_c),
+ ::testing::ValuesIn(kValidBlockSize)));
+
+#if HAVE_SSE4_2
+INSTANTIATE_TEST_CASE_P(
+ SSE4_2, AV1Crc32cHashTest,
+ ::testing::Combine(::testing::Values(&av1_get_crc32c_value_sse4_2),
+ ::testing::ValuesIn(kValidBlockSize)));
+#endif
+
+} // namespace