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.
11 #include "./vpx_config.h"
12 #include "./vp8_rtcd.h"
14 #include "third_party/googletest/src/include/gtest/gtest.h"
16 #include "test/clear_system_state.h"
17 #include "test/register_state_check.h"
18 #include "vpx/vpx_integer.h"
20 typedef void (*IdctFunc)(int16_t *input, unsigned char *pred_ptr,
21 int pred_stride, unsigned char *dst_ptr,
24 class IDCTTest : public ::testing::TestWithParam<IdctFunc> {
26 virtual void SetUp() {
30 memset(input, 0, sizeof(input));
31 /* Set up guard blocks */
32 for (i = 0; i < 256; i++) output[i] = ((i & 0xF) < 4 && (i < 64)) ? 0 : -1;
35 virtual void TearDown() { libvpx_test::ClearSystemState(); }
39 unsigned char output[256];
40 unsigned char predict[256];
43 TEST_P(IDCTTest, TestGuardBlocks) {
46 for (i = 0; i < 256; i++)
47 if ((i & 0xF) < 4 && i < 64)
48 EXPECT_EQ(0, output[i]) << i;
50 EXPECT_EQ(255, output[i]);
53 TEST_P(IDCTTest, TestAllZeros) {
56 ASM_REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
58 for (i = 0; i < 256; i++)
59 if ((i & 0xF) < 4 && i < 64)
60 EXPECT_EQ(0, output[i]) << "i==" << i;
62 EXPECT_EQ(255, output[i]) << "i==" << i;
65 TEST_P(IDCTTest, TestAllOnes) {
69 ASM_REGISTER_STATE_CHECK(UUT(input, output, 16, output, 16));
71 for (i = 0; i < 256; i++)
72 if ((i & 0xF) < 4 && i < 64)
73 EXPECT_EQ(1, output[i]) << "i==" << i;
75 EXPECT_EQ(255, output[i]) << "i==" << i;
78 TEST_P(IDCTTest, TestAddOne) {
81 for (i = 0; i < 256; i++) predict[i] = i;
83 ASM_REGISTER_STATE_CHECK(UUT(input, predict, 16, output, 16));
85 for (i = 0; i < 256; i++)
86 if ((i & 0xF) < 4 && i < 64)
87 EXPECT_EQ(i + 1, output[i]) << "i==" << i;
89 EXPECT_EQ(255, output[i]) << "i==" << i;
92 TEST_P(IDCTTest, TestWithData) {
95 for (i = 0; i < 16; i++) input[i] = i;
97 ASM_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, ::testing::Values(vp8_short_idct4x4llm_c));
114 INSTANTIATE_TEST_CASE_P(MMX, IDCTTest,
115 ::testing::Values(vp8_short_idct4x4llm_mmx));
118 INSTANTIATE_TEST_CASE_P(MSA, IDCTTest,
119 ::testing::Values(vp8_short_idct4x4llm_msa));