2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
13 #include "./vpx_config.h"
14 #include "./vp8_rtcd.h"
16 #include "test/register_state_check.h"
17 #include "third_party/googletest/src/include/gtest/gtest.h"
19 typedef void (*idct_fn_t)(short *input, unsigned char *pred_ptr,
20 int pred_stride, unsigned char *dst_ptr,
23 class IDCTTest : public ::testing::TestWithParam<idct_fn_t> {
25 virtual void SetUp() {
29 memset(input, 0, sizeof(input));
30 /* Set up guard blocks */
31 for (i = 0; i < 256; i++)
32 output[i] = ((i & 0xF) < 4 && (i < 64)) ? 0 : -1;
37 unsigned char output[256];
38 unsigned char predict[256];
41 TEST_P(IDCTTest, TestGuardBlocks) {
44 for (i = 0; i < 256; i++)
45 if ((i & 0xF) < 4 && i < 64)
46 EXPECT_EQ(0, output[i]) << i;
48 EXPECT_EQ(255, output[i]);
51 TEST_P(IDCTTest, TestAllZeros) {
54 REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
56 for (i = 0; i < 256; i++)
57 if ((i & 0xF) < 4 && i < 64)
58 EXPECT_EQ(0, output[i]) << "i==" << i;
60 EXPECT_EQ(255, output[i]) << "i==" << i;
63 TEST_P(IDCTTest, TestAllOnes) {
67 REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
69 for (i = 0; i < 256; i++)
70 if ((i & 0xF) < 4 && i < 64)
71 EXPECT_EQ(1, output[i]) << "i==" << i;
73 EXPECT_EQ(255, output[i]) << "i==" << i;
76 TEST_P(IDCTTest, TestAddOne) {
79 for (i = 0; i < 256; i++)
82 REGISTER_STATE_CHECK(UUT(input, predict, 16, output, 16));
84 for (i = 0; i < 256; i++)
85 if ((i & 0xF) < 4 && i < 64)
86 EXPECT_EQ(i+1, output[i]) << "i==" << i;
88 EXPECT_EQ(255, output[i]) << "i==" << i;
91 TEST_P(IDCTTest, TestWithData) {
94 for (i = 0; i < 16; i++)
97 REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
99 for (i = 0; i < 256; i++)
100 if ((i & 0xF) > 3 || i > 63)
101 EXPECT_EQ(255, output[i]) << "i==" << i;
103 EXPECT_EQ(11, output[i]) << "i==" << i;
105 EXPECT_EQ(1, output[i]) << "i==" << i;
106 else if (i == 2 || i == 17 || i == 32)
107 EXPECT_EQ(3, output[i]) << "i==" << i;
109 EXPECT_EQ(0, output[i]) << "i==" << i;
112 INSTANTIATE_TEST_CASE_P(C, IDCTTest,
113 ::testing::Values(vp8_short_idct4x4llm_c));
115 INSTANTIATE_TEST_CASE_P(MMX, IDCTTest,
116 ::testing::Values(vp8_short_idct4x4llm_mmx));