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