-
Notifications
You must be signed in to change notification settings - Fork 121
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
TESTS: Add unit tests for our Nintendo DS SMALL (de)compressors
- Loading branch information
Showing
2 changed files
with
269 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,264 @@ | ||
| /* xoreos - A reimplementation of BioWare's Aurora engine | ||
| * | ||
| * xoreos is the legal property of its developers, whose names | ||
| * can be found in the AUTHORS file distributed with this source | ||
| * distribution. | ||
| * | ||
| * xoreos is free software; you can redistribute it and/or | ||
| * modify it under the terms of the GNU General Public License | ||
| * as published by the Free Software Foundation; either version 3 | ||
| * of the License, or (at your option) any later version. | ||
| * | ||
| * xoreos is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with xoreos. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| /** @file | ||
| * Unit tests for our Nintendo DS compression. | ||
| */ | ||
|
|
||
| #include "gtest/gtest.h" | ||
|
|
||
| #include "src/common/memreadstream.h" | ||
| #include "src/common/memwritestream.h" | ||
|
|
||
| #include "src/aurora/smallfile.h" | ||
|
|
||
| // Percy Bysshe Shelley's "Ozymandias" | ||
| static const char *kDataUncompressed = | ||
| "I met a traveller from an antique land\n" | ||
| "Who said: Two vast and trunkless legs of stone\n" | ||
| "Stand in the desert. Near them, on the sand,\n" | ||
| "Half sunk, a shattered visage lies, whose frown,\n" | ||
| "And wrinkled lip, and sneer of cold command,\n" | ||
| "Tell that its sculptor well those passions read\n" | ||
| "Which yet survive, stamped on these lifeless things,\n" | ||
| "The hand that mocked them and the heart that fed:\n" | ||
| "And on the pedestal these words appear:\n" | ||
| "'My name is Ozymandias, king of kings:\n" | ||
| "Look on my works, ye Mighty, and despair!'\n" | ||
| "Nothing beside remains. Round the decay\n" | ||
| "Of that colossal wreck, boundless and bare\n" | ||
| "The lone and level sands stretch far away."; | ||
|
|
||
| // Percy Bysshe Shelley's "Ozymandias", "compressed" using the 0x00 mode | ||
| static const byte kDataCompressed00[] = | ||
| "\x00""\x6F""\x02""\x00" | ||
| "I met a traveller from an antique land\n" | ||
| "Who said: Two vast and trunkless legs of stone\n" | ||
| "Stand in the desert. Near them, on the sand,\n" | ||
| "Half sunk, a shattered visage lies, whose frown,\n" | ||
| "And wrinkled lip, and sneer of cold command,\n" | ||
| "Tell that its sculptor well those passions read\n" | ||
| "Which yet survive, stamped on these lifeless things,\n" | ||
| "The hand that mocked them and the heart that fed:\n" | ||
| "And on the pedestal these words appear:\n" | ||
| "'My name is Ozymandias, king of kings:\n" | ||
| "Look on my works, ye Mighty, and despair!'\n" | ||
| "Nothing beside remains. Round the decay\n" | ||
| "Of that colossal wreck, boundless and bare\n" | ||
| "The lone and level sands stretch far away."; | ||
|
|
||
| // Percy Bysshe Shelley's "Ozymandias", compressed using the LZSS 0x10 mode | ||
| static const byte kDataCompressed10[] = { | ||
| 0x10,0x6F,0x02,0x00,0x00,0x49,0x20,0x6D,0x65,0x74,0x20,0x61,0x20,0x00,0x74,0x72, | ||
| 0x61,0x76,0x65,0x6C,0x6C,0x65,0x00,0x72,0x20,0x66,0x72,0x6F,0x6D,0x20,0x61,0x40, | ||
| 0x6E,0x00,0x02,0x74,0x69,0x71,0x75,0x65,0x20,0x00,0x6C,0x61,0x6E,0x64,0x0A,0x57, | ||
| 0x68,0x6F,0x00,0x20,0x73,0x61,0x69,0x64,0x3A,0x20,0x54,0x02,0x77,0x6F,0x20,0x76, | ||
| 0x61,0x73,0x00,0x33,0x6E,0x40,0x64,0x00,0x35,0x75,0x6E,0x6B,0x6C,0x65,0x73,0x00, | ||
| 0x73,0x20,0x6C,0x65,0x67,0x73,0x20,0x6F,0x00,0x66,0x20,0x73,0x74,0x6F,0x6E,0x65, | ||
| 0x0A,0x20,0x53,0x74,0x10,0x1D,0x69,0x6E,0x20,0x74,0x68,0x00,0x65,0x20,0x64,0x65, | ||
| 0x73,0x65,0x72,0x74,0x02,0x2E,0x20,0x4E,0x65,0x61,0x72,0x10,0x10,0x6D,0x14,0x2C, | ||
| 0x20,0x6F,0x30,0x19,0x73,0x00,0x5A,0x2C,0x0A,0x1A,0x48,0x61,0x6C,0x00,0x37,0x00, | ||
| 0x48,0x2C,0x00,0x87,0x73,0x00,0x68,0x61,0x74,0x74,0x65,0x72,0x65,0x64,0x02,0x20, | ||
| 0x76,0x69,0x73,0x61,0x67,0x00,0x7E,0x69,0x00,0x65,0x73,0x2C,0x20,0x77,0x68,0x6F, | ||
| 0x73,0x41,0x65,0x10,0x9A,0x77,0x6E,0x2C,0x0A,0x41,0x00,0x79,0x15,0x77,0x72,0x69, | ||
| 0x10,0x79,0x64,0x00,0x1F,0x70,0x00,0x37,0x8C,0x00,0x8B,0x73,0x6E,0x65,0x00,0xBD, | ||
| 0x00,0x82,0x63,0x6F,0x25,0x6C,0x64,0x00,0x04,0x6D,0x6D,0x20,0x5D,0x54,0x00,0xD5, | ||
| 0x80,0x00,0x86,0x61,0x74,0x20,0x69,0x74,0x73,0x20,0x00,0x73,0x63,0x75,0x6C,0x70, | ||
| 0x74,0x6F,0x72,0x30,0x20,0x77,0x30,0x16,0x10,0x55,0x70,0x61,0x73,0x73,0x00,0x69, | ||
| 0x6F,0x6E,0x73,0x20,0x72,0x65,0x61,0x82,0x10,0xE9,0x69,0x63,0x68,0x20,0x79,0x01, | ||
| 0x14,0x73,0x01,0x75,0x72,0x76,0x69,0x76,0x65,0x2C,0x00,0xD3,0x1C,0x61,0x6D,0x70, | ||
| 0x00,0x91,0x30,0xB5,0x00,0x87,0x6C,0x69,0x20,0x66,0x65,0x20,0xF5,0x74,0x68,0x69, | ||
| 0x6E,0x67,0x6C,0x73,0x00,0x64,0x00,0xE6,0x68,0x21,0x10,0x10,0x68,0x6D,0x6F,0x3E, | ||
| 0x63,0x6B,0x00,0xC0,0x10,0xEA,0x31,0x25,0x10,0x1D,0x00,0xFC,0x74,0x87,0x30,0x87, | ||
| 0x66,0x65,0x64,0x3A,0x20,0xC3,0x41,0x05,0x00,0x5A,0x70,0x65,0x00,0x62,0x10,0xA5, | ||
| 0x10,0x5C,0x77,0x6F,0x72,0x64,0x04,0x73,0x20,0x61,0x70,0x70,0x01,0x2E,0x3A,0x0A, | ||
| 0x00,0x27,0x4D,0x79,0x20,0x6E,0x61,0x6D,0x65,0x01,0x20,0x69,0x73,0x20,0x4F,0x7A, | ||
| 0x79,0x10,0xD3,0x2E,0x69,0x61,0x01,0x10,0x6B,0x00,0x78,0x11,0x6F,0x10,0x07,0x73, | ||
| 0x02,0x3A,0x0A,0x4C,0x6F,0x6F,0x6B,0x11,0x55,0x6D,0x50,0x79,0x10,0x3F,0x6B,0x01, | ||
| 0x31,0x79,0x65,0x20,0x4D,0x06,0x69,0x67,0x68,0x74,0x79,0x31,0x1D,0x01,0x84,0x70, | ||
| 0x00,0x61,0x69,0x72,0x21,0x27,0x0A,0x4E,0x6F,0x80,0x20,0xB5,0x20,0x62,0x65,0x73, | ||
| 0x69,0x64,0x65,0x80,0x00,0xF4,0x6D,0x61,0x69,0x6E,0x73,0x2E,0x20,0x10,0x52,0x6F, | ||
| 0x75,0x40,0xAB,0x64,0x65,0x63,0x61,0x0C,0x79,0x0A,0x4F,0x66,0x31,0x36,0x01,0x4E, | ||
| 0x6F,0x73,0x42,0x73,0x00,0x9E,0x77,0x72,0x65,0x63,0x01,0xA3,0x62,0xE1,0x10,0x27, | ||
| 0x21,0xF3,0x12,0x01,0x62,0x61,0x72,0x65,0x20,0xFE,0x67,0x6C,0x01,0xF7,0x22,0x13, | ||
| 0x6C,0x65,0x02,0x48,0x21,0xDA,0x01,0x6E,0x0A,0x74,0x72,0x65,0x74,0x01,0x4E,0x66, | ||
| 0x01,0xF9,0x61,0x00,0x77,0x61,0x79,0x2E | ||
| }; | ||
|
|
||
| static void compareData(Common::SeekableReadStream &data1, const char *data2) { | ||
| for (size_t i = 0; i < strlen(data2); i++) | ||
| EXPECT_EQ(data1.readByte(), data2[i]) << "At index " << i; | ||
| } | ||
|
|
||
| static void compareData(const byte *data1, const byte *data2, size_t n) { | ||
| for (size_t i = 0; i < n; i++) | ||
| EXPECT_EQ(data1[i], data2[i]) << "At index " << i; | ||
| } | ||
|
|
||
| static void compareData(const byte *data1, const char *data2) { | ||
| for (size_t i = 0; i < strlen(data2); i++) | ||
| EXPECT_EQ(data1[i], data2[i]) << "At index " << i; | ||
| } | ||
|
|
||
| // --- Decompress 0x00 --- | ||
|
|
||
| GTEST_TEST(Small0x00, decompress) { | ||
| Common::MemoryWriteStreamDynamic uncompressed(true); | ||
| Common::MemoryReadStream compressed(kDataCompressed00); | ||
|
|
||
| Aurora::Small::decompress(compressed, uncompressed); | ||
| ASSERT_EQ(uncompressed.size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(uncompressed.getData(), kDataUncompressed); | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x00, decompressIntoReadStream) { | ||
| Common::MemoryReadStream compressed(kDataCompressed00); | ||
|
|
||
| Common::SeekableReadStream *uncompressed = Aurora::Small::decompress(compressed); | ||
| ASSERT_EQ(uncompressed->size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(*uncompressed, kDataUncompressed); | ||
| delete uncompressed; | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x00, decompressIntoReadStreamTakeOverNoSeek) { | ||
| Common::MemoryReadStream *compressed = new Common::MemoryReadStream(kDataCompressed00); | ||
|
|
||
| Common::SeekableReadStream *uncompressed = | ||
| Aurora::Small::decompress(static_cast<Common::ReadStream *>(compressed)); | ||
| ASSERT_EQ(uncompressed->size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(*uncompressed, kDataUncompressed); | ||
| delete uncompressed; | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x00, decompressIntoReadStreamTakeOverSeek) { | ||
| Common::MemoryReadStream *compressed = new Common::MemoryReadStream(kDataCompressed00); | ||
|
|
||
| Common::SeekableReadStream *uncompressed = | ||
| Aurora::Small::decompress(static_cast<Common::SeekableReadStream *>(compressed)); | ||
| ASSERT_EQ(uncompressed->size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(*uncompressed, kDataUncompressed); | ||
| delete uncompressed; | ||
| } | ||
|
|
||
| // --- Compress 0x00 --- | ||
|
|
||
| GTEST_TEST(Small0x00, compress) { | ||
| Common::MemoryWriteStreamDynamic compressed(true); | ||
| Common::MemoryReadStream uncompressed(kDataUncompressed); | ||
|
|
||
| Aurora::Small::compress00(uncompressed, compressed); | ||
| ASSERT_EQ(compressed.size(), sizeof(kDataCompressed00) - 1); | ||
|
|
||
| compareData(compressed.getData(), kDataCompressed00, sizeof(kDataCompressed00) - 1); | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x00, compressRoundTrip) { | ||
| Common::MemoryWriteStreamDynamic compressedWrite(true); | ||
| Common::MemoryReadStream uncompressedRead(kDataUncompressed); | ||
|
|
||
| Aurora::Small::compress00(uncompressedRead, compressedWrite); | ||
|
|
||
|
|
||
| Common::MemoryWriteStreamDynamic uncompressedWrite(true); | ||
| Common::MemoryReadStream compressedRead(compressedWrite.getData(), compressedWrite.size()); | ||
|
|
||
| Aurora::Small::decompress(compressedRead, uncompressedWrite); | ||
|
|
||
|
|
||
| ASSERT_EQ(uncompressedWrite.size(), strlen(kDataUncompressed)); | ||
| compareData(uncompressedWrite.getData(), kDataUncompressed); | ||
| } | ||
|
|
||
| // --- Decompress 0x10 --- | ||
|
|
||
| GTEST_TEST(Small0x10, decompress) { | ||
| Common::MemoryWriteStreamDynamic uncompressed(true); | ||
| Common::MemoryReadStream compressed(kDataCompressed10); | ||
|
|
||
| Aurora::Small::decompress(compressed, uncompressed); | ||
| ASSERT_EQ(uncompressed.size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(uncompressed.getData(), kDataUncompressed); | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x10, decompressIntoReadStream) { | ||
| Common::MemoryReadStream compressed(kDataCompressed10); | ||
|
|
||
| Common::SeekableReadStream *uncompressed = Aurora::Small::decompress(compressed); | ||
| ASSERT_EQ(uncompressed->size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(*uncompressed, kDataUncompressed); | ||
| delete uncompressed; | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x10, decompressIntoReadStreamTakeOverNoSeek) { | ||
| Common::MemoryReadStream *compressed = new Common::MemoryReadStream(kDataCompressed10); | ||
|
|
||
| Common::SeekableReadStream *uncompressed = | ||
| Aurora::Small::decompress(static_cast<Common::ReadStream *>(compressed)); | ||
| ASSERT_EQ(uncompressed->size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(*uncompressed, kDataUncompressed); | ||
| delete uncompressed; | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x10, decompressIntoReadStreamTakeOverSeek) { | ||
| Common::MemoryReadStream *compressed = new Common::MemoryReadStream(kDataCompressed10); | ||
|
|
||
| Common::SeekableReadStream *uncompressed = | ||
| Aurora::Small::decompress(static_cast<Common::SeekableReadStream *>(compressed)); | ||
| ASSERT_EQ(uncompressed->size(), strlen(kDataUncompressed)); | ||
|
|
||
| compareData(*uncompressed, kDataUncompressed); | ||
| delete uncompressed; | ||
| } | ||
|
|
||
| // --- Compress 0x10 --- | ||
|
|
||
| GTEST_TEST(Small0x10, compress) { | ||
| Common::MemoryWriteStreamDynamic compressed(true); | ||
| Common::MemoryReadStream uncompressed(kDataUncompressed); | ||
|
|
||
| Aurora::Small::compress10(uncompressed, compressed); | ||
| ASSERT_EQ(compressed.size(), sizeof(kDataCompressed10)); | ||
|
|
||
| compareData(compressed.getData(), kDataCompressed10, sizeof(kDataCompressed10)); | ||
| } | ||
|
|
||
| GTEST_TEST(Small0x10, compressRoundTrip) { | ||
| Common::MemoryWriteStreamDynamic compressedWrite(true); | ||
| Common::MemoryReadStream uncompressedRead(kDataUncompressed); | ||
|
|
||
| Aurora::Small::compress10(uncompressedRead, compressedWrite); | ||
|
|
||
|
|
||
| Common::MemoryWriteStreamDynamic uncompressedWrite(true); | ||
| Common::MemoryReadStream compressedRead(compressedWrite.getData(), compressedWrite.size()); | ||
|
|
||
| Aurora::Small::decompress(compressedRead, uncompressedWrite); | ||
|
|
||
|
|
||
| ASSERT_EQ(uncompressedWrite.size(), strlen(kDataUncompressed)); | ||
| compareData(uncompressedWrite.getData(), kDataUncompressed); | ||
| } |