119 строки
3.1 KiB
C++
119 строки
3.1 KiB
C++
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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extern "C" {
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#include "./vpx_config.h"
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#include "./vp8_rtcd.h"
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}
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#include "test/register_state_check.h"
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#include "third_party/googletest/src/include/gtest/gtest.h"
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typedef void (*idct_fn_t)(short *input, unsigned char *pred_ptr,
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int pred_stride, unsigned char *dst_ptr,
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int dst_stride);
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namespace {
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class IDCTTest : public ::testing::TestWithParam<idct_fn_t> {
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protected:
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virtual void SetUp() {
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int i;
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UUT = GetParam();
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memset(input, 0, sizeof(input));
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/* Set up guard blocks */
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for (i = 0; i < 256; i++)
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output[i] = ((i & 0xF) < 4 && (i < 64)) ? 0 : -1;
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}
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idct_fn_t UUT;
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short input[16];
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unsigned char output[256];
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unsigned char predict[256];
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};
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TEST_P(IDCTTest, TestGuardBlocks) {
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int i;
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for (i = 0; i < 256; i++)
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if ((i & 0xF) < 4 && i < 64)
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EXPECT_EQ(0, output[i]) << i;
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else
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EXPECT_EQ(255, output[i]);
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}
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TEST_P(IDCTTest, TestAllZeros) {
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int i;
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REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
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for (i = 0; i < 256; i++)
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if ((i & 0xF) < 4 && i < 64)
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EXPECT_EQ(0, output[i]) << "i==" << i;
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else
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EXPECT_EQ(255, output[i]) << "i==" << i;
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}
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TEST_P(IDCTTest, TestAllOnes) {
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int i;
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input[0] = 4;
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REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
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for (i = 0; i < 256; i++)
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if ((i & 0xF) < 4 && i < 64)
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EXPECT_EQ(1, output[i]) << "i==" << i;
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else
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EXPECT_EQ(255, output[i]) << "i==" << i;
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}
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TEST_P(IDCTTest, TestAddOne) {
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int i;
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for (i = 0; i < 256; i++)
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predict[i] = i;
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input[0] = 4;
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REGISTER_STATE_CHECK(UUT(input, predict, 16, output, 16));
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for (i = 0; i < 256; i++)
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if ((i & 0xF) < 4 && i < 64)
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EXPECT_EQ(i+1, output[i]) << "i==" << i;
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else
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EXPECT_EQ(255, output[i]) << "i==" << i;
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}
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TEST_P(IDCTTest, TestWithData) {
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int i;
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for (i = 0; i < 16; i++)
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input[i] = i;
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REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
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for (i = 0; i < 256; i++)
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if ((i & 0xF) > 3 || i > 63)
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EXPECT_EQ(255, output[i]) << "i==" << i;
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else if (i == 0)
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EXPECT_EQ(11, output[i]) << "i==" << i;
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else if (i == 34)
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EXPECT_EQ(1, output[i]) << "i==" << i;
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else if (i == 2 || i == 17 || i == 32)
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EXPECT_EQ(3, output[i]) << "i==" << i;
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else
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EXPECT_EQ(0, output[i]) << "i==" << i;
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}
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INSTANTIATE_TEST_CASE_P(C, IDCTTest,
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::testing::Values(vp8_short_idct4x4llm_c));
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#if HAVE_MMX
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INSTANTIATE_TEST_CASE_P(MMX, IDCTTest,
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::testing::Values(vp8_short_idct4x4llm_mmx));
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#endif
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}
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