/* * Copyright (c) 2021, Alliance for Open Media. All rights reserved * * This source code is subject to the terms of the BSD 2 Clause License and * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License * was not distributed with this source code in the LICENSE file, you can * obtain it at www.aomedia.org/license/software. If the Alliance for Open * Media Patent License 1.0 was not distributed with this source code in the * PATENTS file, you can obtain it at www.aomedia.org/license/patent. */ #include <climits> #include "aom/aom_image.h" #include "third_party/googletest/src/googletest/include/gtest/gtest.h" TEST(AomImageTest, AomImgWrapInvalidAlign) { const int kWidth = 128; const int kHeight = 128; unsigned char buf[kWidth * kHeight * 3]; aom_image_t img; // Set img_data and img_data_owner to junk values. aom_img_wrap() should // not read these values on failure. img.img_data = (unsigned char *)""; img.img_data_owner = 1; aom_img_fmt_t format = AOM_IMG_FMT_I444; // 'align' must be a power of 2 but is not. This causes the aom_img_wrap() // call to fail. The test verifies we do not read the junk values in 'img'. unsigned int align = 31; EXPECT_EQ(aom_img_wrap(&img, format, kWidth, kHeight, align, buf), nullptr); } TEST(AomImageTest, AomImgSetRectOverflow) { const int kWidth = 128; const int kHeight = 128; unsigned char buf[kWidth * kHeight * 3]; aom_image_t img; aom_img_fmt_t format = AOM_IMG_FMT_I444; unsigned int align = 32; EXPECT_EQ(aom_img_wrap(&img, format, kWidth, kHeight, align, buf), &img); EXPECT_EQ(aom_img_set_rect(&img, 0, 0, kWidth, kHeight, 0), 0); // This would result in overflow because -1 is cast to UINT_MAX. EXPECT_NE(aom_img_set_rect(&img, static_cast<unsigned int>(-1), static_cast<unsigned int>(-1), kWidth, kHeight, 0), 0); } TEST(AomImageTest, AomImgAllocNone) { const int kWidth = 128; const int kHeight = 128; aom_image_t img; aom_img_fmt_t format = AOM_IMG_FMT_NONE; unsigned int align = 32; ASSERT_EQ(aom_img_alloc(&img, format, kWidth, kHeight, align), nullptr); } TEST(AomImageTest, AomImgAllocNv12) { const int kWidth = 128; const int kHeight = 128; aom_image_t img; aom_img_fmt_t format = AOM_IMG_FMT_NV12; unsigned int align = 32; EXPECT_EQ(aom_img_alloc(&img, format, kWidth, kHeight, align), &img); EXPECT_EQ(img.stride[AOM_PLANE_U], img.stride[AOM_PLANE_Y]); EXPECT_EQ(img.stride[AOM_PLANE_V], 0); EXPECT_EQ(img.planes[AOM_PLANE_V], nullptr); aom_img_free(&img); } TEST(AomImageTest, AomImgAllocHugeWidth) { // The stride (0x80000000 * 2) would overflow unsigned int. aom_image_t *image = aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, 0x80000000, 1, 1); ASSERT_EQ(image, nullptr); // The stride (0x80000000) would overflow int. image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, 0x80000000, 1, 1); ASSERT_EQ(image, nullptr); // The aligned width (UINT_MAX + 1) would overflow unsigned int. image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, UINT_MAX, 1, 1); ASSERT_EQ(image, nullptr); image = aom_img_alloc_with_border(nullptr, AOM_IMG_FMT_I422, 1, INT_MAX, 1, 0x40000000, 0); if (image) { uint16_t *y_plane = reinterpret_cast<uint16_t *>(image->planes[AOM_PLANE_Y]); y_plane[0] = 0; y_plane[image->d_w - 1] = 0; aom_img_free(image); } image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, 0x7ffffffe, 1, 1); if (image) { aom_img_free(image); } image = aom_img_alloc(nullptr, AOM_IMG_FMT_I420, 285245883, 64, 1); if (image) { aom_img_free(image); } image = aom_img_alloc(nullptr, AOM_IMG_FMT_NV12, 285245883, 64, 1); if (image) { aom_img_free(image); } image = aom_img_alloc(nullptr, AOM_IMG_FMT_YV12, 285245883, 64, 1); if (image) { aom_img_free(image); } image = aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, 65536, 2, 1); if (image) { uint16_t *y_plane = reinterpret_cast<uint16_t *>(image->planes[AOM_PLANE_Y]); y_plane[0] = 0; y_plane[image->d_w - 1] = 0; aom_img_free(image); } image = aom_img_alloc(nullptr, AOM_IMG_FMT_I42016, 285245883, 2, 1); if (image) { uint16_t *y_plane = reinterpret_cast<uint16_t *>(image->planes[AOM_PLANE_Y]); y_plane[0] = 0; y_plane[image->d_w - 1] = 0; aom_img_free(image); } }