diff options
Diffstat (limited to 'core/fxcodec/lgif/cfx_lzwdecoder_unittest.cpp')
-rw-r--r-- | core/fxcodec/lgif/cfx_lzwdecoder_unittest.cpp | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/core/fxcodec/lgif/cfx_lzwdecoder_unittest.cpp b/core/fxcodec/lgif/cfx_lzwdecoder_unittest.cpp deleted file mode 100644 index 9e4b7b788e..0000000000 --- a/core/fxcodec/lgif/cfx_lzwdecoder_unittest.cpp +++ /dev/null @@ -1,147 +0,0 @@ -// Copyright 2017 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "core/fxcodec/lgif/cfx_lzwdecoder.h" - -#include "core/fxcrt/fx_memory.h" -#include "testing/gtest/include/gtest/gtest.h" - -TEST(CFX_LZWDecoder, CreateBadParams) { - EXPECT_EQ(nullptr, CFX_LZWDecoder::Create(0x10, 0x2)); - EXPECT_EQ(nullptr, CFX_LZWDecoder::Create(0x4, 0x0F)); -} - -TEST(CFX_LZWDecoder, DecodeBadParams) { - uint8_t palette_exp = 0x0; - uint8_t code_exp = 0x2; - - auto decoder = CFX_LZWDecoder::Create(palette_exp, code_exp); - ASSERT_NE(nullptr, decoder); - - uint8_t image_data[10]; - uint32_t image_size = FX_ArraySize(image_data); - - uint8_t output_data[10]; - uint32_t output_size = FX_ArraySize(output_data); - - EXPECT_EQ(GifDecodeStatus::Error, - decoder->Decode(nullptr, image_size, output_data, &output_size)); - EXPECT_EQ(GifDecodeStatus::Error, - decoder->Decode(image_data, 0, output_data, &output_size)); - EXPECT_EQ(GifDecodeStatus::Error, - decoder->Decode(image_data, image_size, nullptr, &output_size)); - EXPECT_EQ(GifDecodeStatus::Error, - decoder->Decode(image_data, image_size, output_data, nullptr)); - - output_size = 0; - EXPECT_EQ(GifDecodeStatus::InsufficientDestSize, - decoder->Decode(image_data, image_size, output_data, &output_size)); -} - -TEST(CFX_LZWDecoder, Decode1x1SingleColour) { - uint8_t palette_exp = 0x0; - uint8_t code_exp = 0x2; - - auto decoder = CFX_LZWDecoder::Create(palette_exp, code_exp); - ASSERT_NE(nullptr, decoder); - - uint8_t image_data[] = {0x44, 0x01}; - uint32_t image_size = FX_ArraySize(image_data); - - uint8_t output_data[1]; - uint32_t output_size = FX_ArraySize(output_data); - - EXPECT_EQ(GifDecodeStatus::Success, - decoder->Decode(image_data, image_size, output_data, &output_size)); - uint8_t expected_data[] = {0x00}; - - EXPECT_EQ(FX_ArraySize(output_data), output_size); - EXPECT_TRUE(0 == memcmp(expected_data, output_data, sizeof(expected_data))); -} - -TEST(CFX_LZWDecoder, Decode10x10SingleColour) { - uint8_t palette_exp = 0x0; - uint8_t code_exp = 0x2; - - auto decoder = CFX_LZWDecoder::Create(palette_exp, code_exp); - ASSERT_NE(nullptr, decoder); - - uint8_t image_data[] = {0x84, 0x8F, 0xA9, 0xCB, 0xED, 0x0F, 0x63, 0x2B}; - uint32_t image_size = FX_ArraySize(image_data); - - uint8_t output_data[100]; - memset(output_data, 0, sizeof(output_data)); - uint32_t output_size = FX_ArraySize(output_data); - - EXPECT_EQ(GifDecodeStatus::Success, - decoder->Decode(image_data, image_size, output_data, &output_size)); - uint8_t expected_data[] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00}; - - EXPECT_EQ(FX_ArraySize(output_data), output_size); - EXPECT_TRUE(0 == memcmp(expected_data, output_data, sizeof(expected_data))); -} - -TEST(CFX_LZWDecoder, Decode10x10MultipleColour) { - uint8_t palette_exp = 0x1; - uint8_t code_exp = 0x2; - - auto decoder = CFX_LZWDecoder::Create(palette_exp, code_exp); - ASSERT_NE(nullptr, decoder); - - uint8_t image_data[] = {0x8C, 0x2D, 0x99, 0x87, 0x2A, 0x1C, 0xDC, 0x33, - 0xA0, 0x02, 0x75, 0xEC, 0x95, 0xFA, 0xA8, 0xDE, - 0x60, 0x8C, 0x04, 0x91, 0x4C, 0x01}; - uint32_t image_size = FX_ArraySize(image_data); - - uint8_t output_data[100]; - memset(output_data, 0, sizeof(output_data)); - uint32_t output_size = FX_ArraySize(output_data); - - EXPECT_EQ(GifDecodeStatus::Success, - decoder->Decode(image_data, image_size, output_data, &output_size)); - uint8_t expected_data[] = { - 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, - 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, - 0x00, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x02, - 0x02, 0x02, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, - 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x02, 0x02, - 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, - 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, - 0x01, 0x01, 0x01, 0x01}; - - EXPECT_EQ(FX_ArraySize(output_data), output_size); - EXPECT_TRUE(0 == memcmp(expected_data, output_data, sizeof(expected_data))); -} - -TEST(CFX_LZWDecoder, HandleColourCodeOutOfPalette) { - uint8_t palette_exp = 0x2; // Image uses 10 colours, so the palette exp - // should be 3, 2^(3+1) = 16 colours. - uint8_t code_exp = 0x4; - - auto decoder = CFX_LZWDecoder::Create(palette_exp, code_exp); - ASSERT_NE(nullptr, decoder); - - uint8_t image_data[] = {0x30, 0xC9, 0x49, 0x81, 0xBD, 0x78, 0xE8, 0xCD, - 0x89, 0xFF, 0x60, 0x20, 0x8E, 0xE4, 0x61, 0x9E, - 0xA8, 0xA1, 0xAE, 0x2C, 0xE2, 0xBE, 0xB0, 0x20, - 0xCF, 0x74, 0x61, 0xDF, 0x78, 0x04}; - uint32_t image_size = FX_ArraySize(image_data); - - uint8_t output_data[100]; - memset(output_data, 0, sizeof(output_data)); - uint32_t output_size = FX_ArraySize(output_data); - - EXPECT_EQ(GifDecodeStatus::Error, - decoder->Decode(image_data, image_size, output_data, &output_size)); -} |