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/*
* 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 "./vp8_rtcd.h"
}
#include "test/register_state_check.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;
REGISTER_STATE_CHECK(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;
REGISTER_STATE_CHECK(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;
REGISTER_STATE_CHECK(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;
REGISTER_STATE_CHECK(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
}
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