ref: fe74c4286aca842aee5f89c76385e7d16018443e
dir: /test/idct_test.cc/
/* * 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 }