reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2011 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
scroggo@google.com | dd39488 | 2012-07-24 20:47:55 +0000 | [diff] [blame] | 8 | #include "SkRandom.h" |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 9 | #include "SkReader32.h" |
| 10 | #include "SkWriter32.h" |
tfarina@chromium.org | 8f6884a | 2014-01-24 20:56:26 +0000 | [diff] [blame] | 11 | #include "Test.h" |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 12 | |
reed@google.com | 1cf58d0 | 2012-08-30 14:03:21 +0000 | [diff] [blame] | 13 | static void check_contents(skiatest::Reporter* reporter, const SkWriter32& writer, |
| 14 | const void* expected, size_t size) { |
| 15 | SkAutoSMalloc<256> storage(size); |
| 16 | REPORTER_ASSERT(reporter, writer.bytesWritten() == size); |
| 17 | writer.flatten(storage.get()); |
| 18 | REPORTER_ASSERT(reporter, !memcmp(storage.get(), expected, size)); |
| 19 | } |
| 20 | |
mtklein@google.com | 8b4ba63 | 2013-09-03 18:07:01 +0000 | [diff] [blame] | 21 | |
| 22 | static void test_reserve(skiatest::Reporter* reporter) { |
| 23 | // There used to be a bug where we'd assert your first reservation had to |
| 24 | // fit in external storage if you used it. This would crash in debug mode. |
| 25 | uint8_t storage[4]; |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 26 | SkWriter32 writer(storage, sizeof(storage)); |
mtklein@google.com | 8b4ba63 | 2013-09-03 18:07:01 +0000 | [diff] [blame] | 27 | writer.reserve(40); |
| 28 | } |
| 29 | |
commit-bot@chromium.org | 47fa136 | 2013-08-09 16:03:05 +0000 | [diff] [blame] | 30 | static void test_string_null(skiatest::Reporter* reporter) { |
| 31 | uint8_t storage[8]; |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 32 | SkWriter32 writer(storage, sizeof(storage)); |
commit-bot@chromium.org | 47fa136 | 2013-08-09 16:03:05 +0000 | [diff] [blame] | 33 | |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 34 | // Can we write nullptr? |
| 35 | writer.writeString(nullptr); |
mtklein@google.com | 0038c12 | 2013-08-15 21:01:32 +0000 | [diff] [blame] | 36 | const int32_t expected[] = { 0x0, 0x0 }; |
| 37 | check_contents(reporter, writer, expected, sizeof(expected)); |
commit-bot@chromium.org | 47fa136 | 2013-08-09 16:03:05 +0000 | [diff] [blame] | 38 | } |
| 39 | |
reed@google.com | 1cf58d0 | 2012-08-30 14:03:21 +0000 | [diff] [blame] | 40 | static void test_rewind(skiatest::Reporter* reporter) { |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 41 | SkSWriter32<32> writer; |
reed@google.com | 1cf58d0 | 2012-08-30 14:03:21 +0000 | [diff] [blame] | 42 | int32_t array[3] = { 1, 2, 4 }; |
skia.committer@gmail.com | a27096b | 2012-08-30 14:38:00 +0000 | [diff] [blame] | 43 | |
reed@google.com | 1cf58d0 | 2012-08-30 14:03:21 +0000 | [diff] [blame] | 44 | REPORTER_ASSERT(reporter, 0 == writer.bytesWritten()); |
| 45 | for (size_t i = 0; i < SK_ARRAY_COUNT(array); ++i) { |
| 46 | writer.writeInt(array[i]); |
| 47 | } |
| 48 | check_contents(reporter, writer, array, sizeof(array)); |
| 49 | |
| 50 | writer.rewindToOffset(2*sizeof(int32_t)); |
| 51 | REPORTER_ASSERT(reporter, sizeof(array) - 4 == writer.bytesWritten()); |
| 52 | writer.writeInt(3); |
| 53 | REPORTER_ASSERT(reporter, sizeof(array) == writer.bytesWritten()); |
| 54 | array[2] = 3; |
| 55 | check_contents(reporter, writer, array, sizeof(array)); |
reed@google.com | d7e2782 | 2012-08-31 20:17:56 +0000 | [diff] [blame] | 56 | |
| 57 | // test rewinding past allocated chunks. This used to crash because we |
| 58 | // didn't truncate our link-list after freeing trailing blocks |
| 59 | { |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 60 | SkWriter32 writer; |
reed@google.com | d7e2782 | 2012-08-31 20:17:56 +0000 | [diff] [blame] | 61 | for (int i = 0; i < 100; ++i) { |
| 62 | writer.writeInt(i); |
| 63 | } |
| 64 | REPORTER_ASSERT(reporter, 100*4 == writer.bytesWritten()); |
| 65 | for (int j = 100*4; j >= 0; j -= 16) { |
| 66 | writer.rewindToOffset(j); |
| 67 | } |
| 68 | REPORTER_ASSERT(reporter, writer.bytesWritten() < 16); |
| 69 | } |
reed@google.com | 1cf58d0 | 2012-08-30 14:03:21 +0000 | [diff] [blame] | 70 | } |
| 71 | |
reed@google.com | 51c62a6 | 2012-06-12 20:47:53 +0000 | [diff] [blame] | 72 | static void test_ptr(skiatest::Reporter* reporter) { |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 73 | SkSWriter32<32> writer; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 74 | |
reed@google.com | 51c62a6 | 2012-06-12 20:47:53 +0000 | [diff] [blame] | 75 | void* p0 = reporter; |
| 76 | void* p1 = &writer; |
| 77 | |
| 78 | // try writing ptrs where at least one of them may be at a non-multiple of |
| 79 | // 8 boundary, to confirm this works on 64bit machines. |
| 80 | |
| 81 | writer.writePtr(p0); |
| 82 | writer.write8(0x33); |
| 83 | writer.writePtr(p1); |
| 84 | writer.write8(0x66); |
| 85 | |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 86 | size_t size = writer.bytesWritten(); |
reed@google.com | 51c62a6 | 2012-06-12 20:47:53 +0000 | [diff] [blame] | 87 | REPORTER_ASSERT(reporter, 2 * sizeof(void*) + 2 * sizeof(int32_t)); |
| 88 | |
| 89 | char buffer[32]; |
| 90 | SkASSERT(sizeof(buffer) >= size); |
| 91 | writer.flatten(buffer); |
| 92 | |
| 93 | SkReader32 reader(buffer, size); |
| 94 | REPORTER_ASSERT(reporter, reader.readPtr() == p0); |
| 95 | REPORTER_ASSERT(reporter, reader.readInt() == 0x33); |
| 96 | REPORTER_ASSERT(reporter, reader.readPtr() == p1); |
| 97 | REPORTER_ASSERT(reporter, reader.readInt() == 0x66); |
| 98 | } |
| 99 | |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 100 | static void test1(skiatest::Reporter* reporter, SkWriter32* writer) { |
| 101 | const uint32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; |
| 102 | for (size_t i = 0; i < SK_ARRAY_COUNT(data); ++i) { |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 103 | REPORTER_ASSERT(reporter, i*4 == writer->bytesWritten()); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 104 | writer->write32(data[i]); |
commit-bot@chromium.org | 536ac5e | 2014-02-11 22:38:51 +0000 | [diff] [blame] | 105 | REPORTER_ASSERT(reporter, data[i] == writer->readTAt<uint32_t>(i * 4)); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | char buffer[sizeof(data)]; |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 109 | REPORTER_ASSERT(reporter, sizeof(buffer) == writer->bytesWritten()); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 110 | writer->flatten(buffer); |
| 111 | REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(buffer))); |
| 112 | } |
| 113 | |
| 114 | static void test2(skiatest::Reporter* reporter, SkWriter32* writer) { |
| 115 | static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz"; |
| 116 | size_t i; |
| 117 | |
| 118 | size_t len = 0; |
| 119 | for (i = 0; i <= 26; ++i) { |
| 120 | len += SkWriter32::WriteStringSize(gStr, i); |
| 121 | writer->writeString(gStr, i); |
| 122 | } |
reed@google.com | 4469938 | 2013-10-31 17:28:30 +0000 | [diff] [blame] | 123 | REPORTER_ASSERT(reporter, writer->bytesWritten() == len); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 124 | |
| 125 | SkAutoMalloc storage(len); |
| 126 | writer->flatten(storage.get()); |
| 127 | |
| 128 | SkReader32 reader; |
| 129 | reader.setMemory(storage.get(), len); |
| 130 | for (i = 0; i <= 26; ++i) { |
| 131 | REPORTER_ASSERT(reporter, !reader.eof()); |
| 132 | const char* str = reader.readString(&len); |
| 133 | REPORTER_ASSERT(reporter, i == len); |
| 134 | REPORTER_ASSERT(reporter, strlen(str) == len); |
| 135 | REPORTER_ASSERT(reporter, !memcmp(str, gStr, len)); |
scroggo@google.com | e9617eb | 2012-07-23 13:44:10 +0000 | [diff] [blame] | 136 | // Ensure that the align4 of the string is padded with zeroes. |
| 137 | size_t alignedSize = SkAlign4(len + 1); |
| 138 | for (size_t j = len; j < alignedSize; j++) { |
| 139 | REPORTER_ASSERT(reporter, 0 == str[j]); |
| 140 | } |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 141 | } |
| 142 | REPORTER_ASSERT(reporter, reader.eof()); |
| 143 | } |
| 144 | |
scroggo@google.com | dd39488 | 2012-07-24 20:47:55 +0000 | [diff] [blame] | 145 | static void testWritePad(skiatest::Reporter* reporter, SkWriter32* writer) { |
| 146 | // Create some random data to write. |
scroggo | 565901d | 2015-12-10 10:44:13 -0800 | [diff] [blame^] | 147 | const size_t dataSize = 10; |
scroggo@google.com | dd39488 | 2012-07-24 20:47:55 +0000 | [diff] [blame] | 148 | |
scroggo | 565901d | 2015-12-10 10:44:13 -0800 | [diff] [blame^] | 149 | SkAutoTMalloc<uint32_t> originalData(dataSize); |
scroggo@google.com | dd39488 | 2012-07-24 20:47:55 +0000 | [diff] [blame] | 150 | { |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 151 | SkRandom rand(0); |
scroggo | 565901d | 2015-12-10 10:44:13 -0800 | [diff] [blame^] | 152 | for (size_t i = 0; i < dataSize; i++) { |
| 153 | originalData[(int) i] = rand.nextU(); |
scroggo@google.com | dd39488 | 2012-07-24 20:47:55 +0000 | [diff] [blame] | 154 | } |
| 155 | |
| 156 | // Write the random data to the writer at different lengths for |
| 157 | // different alignments. |
| 158 | for (size_t len = 0; len < dataSize; len++) { |
| 159 | writer->writePad(originalData.get(), len); |
| 160 | } |
| 161 | } |
| 162 | |
bsalomon | fbaace0 | 2014-12-12 16:41:46 -0800 | [diff] [blame] | 163 | size_t totalBytes = writer->bytesWritten(); |
scroggo@google.com | dd39488 | 2012-07-24 20:47:55 +0000 | [diff] [blame] | 164 | |
| 165 | SkAutoMalloc readStorage(totalBytes); |
| 166 | writer->flatten(readStorage.get()); |
| 167 | |
| 168 | SkReader32 reader; |
| 169 | reader.setMemory(readStorage.get(), totalBytes); |
| 170 | |
| 171 | for (size_t len = 0; len < dataSize; len++) { |
| 172 | const char* readPtr = static_cast<const char*>(reader.skip(len)); |
| 173 | // Ensure that the data read is the same as what was written. |
| 174 | REPORTER_ASSERT(reporter, memcmp(readPtr, originalData.get(), len) == 0); |
| 175 | // Ensure that the rest is padded with zeroes. |
| 176 | const char* stop = readPtr + SkAlign4(len); |
| 177 | readPtr += len; |
| 178 | while (readPtr < stop) { |
| 179 | REPORTER_ASSERT(reporter, *readPtr++ == 0); |
| 180 | } |
| 181 | } |
| 182 | } |
| 183 | |
commit-bot@chromium.org | 536ac5e | 2014-02-11 22:38:51 +0000 | [diff] [blame] | 184 | static void testOverwriteT(skiatest::Reporter* reporter, SkWriter32* writer) { |
| 185 | const size_t padding = 64; |
| 186 | |
| 187 | const uint32_t uint1 = 0x12345678; |
| 188 | const uint32_t uint2 = 0x98765432; |
| 189 | const SkScalar scalar1 = 1234.5678f; |
| 190 | const SkScalar scalar2 = 9876.5432f; |
| 191 | const SkRect rect1 = SkRect::MakeXYWH(1, 2, 3, 4); |
| 192 | const SkRect rect2 = SkRect::MakeXYWH(5, 6, 7, 8); |
| 193 | |
| 194 | for (size_t i = 0; i < (padding / 4); ++i) { |
| 195 | writer->write32(0); |
| 196 | } |
| 197 | |
| 198 | writer->write32(uint1); |
| 199 | writer->writeRect(rect1); |
| 200 | writer->writeScalar(scalar1); |
| 201 | |
| 202 | for (size_t i = 0; i < (padding / 4); ++i) { |
| 203 | writer->write32(0); |
| 204 | } |
| 205 | |
| 206 | REPORTER_ASSERT(reporter, writer->readTAt<uint32_t>(padding) == uint1); |
| 207 | REPORTER_ASSERT(reporter, writer->readTAt<SkRect>(padding + sizeof(uint32_t)) == rect1); |
| 208 | REPORTER_ASSERT(reporter, writer->readTAt<SkScalar>( |
| 209 | padding + sizeof(uint32_t) + sizeof(SkRect)) == scalar1); |
| 210 | |
| 211 | writer->overwriteTAt(padding, uint2); |
| 212 | writer->overwriteTAt(padding + sizeof(uint32_t), rect2); |
| 213 | writer->overwriteTAt(padding + sizeof(uint32_t) + sizeof(SkRect), scalar2); |
| 214 | |
| 215 | REPORTER_ASSERT(reporter, writer->readTAt<uint32_t>(padding) == uint2); |
| 216 | REPORTER_ASSERT(reporter, writer->readTAt<SkRect>(padding + sizeof(uint32_t)) == rect2); |
| 217 | REPORTER_ASSERT(reporter, writer->readTAt<SkScalar>( |
| 218 | padding + sizeof(uint32_t) + sizeof(SkRect)) == scalar2); |
| 219 | } |
| 220 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 221 | DEF_TEST(Writer32_dynamic, reporter) { |
| 222 | SkWriter32 writer; |
| 223 | test1(reporter, &writer); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 224 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 225 | writer.reset(); |
| 226 | test2(reporter, &writer); |
scroggo@google.com | dd39488 | 2012-07-24 20:47:55 +0000 | [diff] [blame] | 227 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 228 | writer.reset(); |
| 229 | testWritePad(reporter, &writer); |
commit-bot@chromium.org | 536ac5e | 2014-02-11 22:38:51 +0000 | [diff] [blame] | 230 | |
| 231 | writer.reset(); |
| 232 | testOverwriteT(reporter, &writer); |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 233 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 234 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 235 | DEF_TEST(Writer32_contiguous, reporter) { |
| 236 | uint32_t storage[256]; |
| 237 | SkWriter32 writer; |
| 238 | writer.reset(storage, sizeof(storage)); |
| 239 | // This write is small enough to fit in storage, so it's contiguous. |
| 240 | test1(reporter, &writer); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 241 | REPORTER_ASSERT(reporter, writer.contiguousArray() != nullptr); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 242 | |
commit-bot@chromium.org | afe38b1 | 2014-02-11 11:18:12 +0000 | [diff] [blame] | 243 | // Everything other aspect of contiguous/non-contiguous is an |
| 244 | // implementation detail, not part of the public contract for |
| 245 | // SkWriter32, and so not tested here. |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 246 | } |
skia.committer@gmail.com | b89a03c | 2012-12-22 02:02:33 +0000 | [diff] [blame] | 247 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 248 | DEF_TEST(Writer32_small, reporter) { |
| 249 | SkSWriter32<8 * sizeof(intptr_t)> writer; |
| 250 | test1(reporter, &writer); |
| 251 | writer.reset(); // should just rewind our storage |
| 252 | test2(reporter, &writer); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 253 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 254 | writer.reset(); |
| 255 | testWritePad(reporter, &writer); |
commit-bot@chromium.org | 536ac5e | 2014-02-11 22:38:51 +0000 | [diff] [blame] | 256 | |
| 257 | writer.reset(); |
| 258 | testOverwriteT(reporter, &writer); |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 259 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 260 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 261 | DEF_TEST(Writer32_large, reporter) { |
| 262 | SkSWriter32<1024 * sizeof(intptr_t)> writer; |
| 263 | test1(reporter, &writer); |
| 264 | writer.reset(); // should just rewind our storage |
| 265 | test2(reporter, &writer); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 266 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 267 | writer.reset(); |
| 268 | testWritePad(reporter, &writer); |
commit-bot@chromium.org | 536ac5e | 2014-02-11 22:38:51 +0000 | [diff] [blame] | 269 | |
| 270 | writer.reset(); |
| 271 | testOverwriteT(reporter, &writer); |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 272 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 273 | |
commit-bot@chromium.org | 1938242 | 2014-01-14 20:51:26 +0000 | [diff] [blame] | 274 | DEF_TEST(Writer32_misc, reporter) { |
mtklein@google.com | 8b4ba63 | 2013-09-03 18:07:01 +0000 | [diff] [blame] | 275 | test_reserve(reporter); |
commit-bot@chromium.org | 47fa136 | 2013-08-09 16:03:05 +0000 | [diff] [blame] | 276 | test_string_null(reporter); |
reed@google.com | 51c62a6 | 2012-06-12 20:47:53 +0000 | [diff] [blame] | 277 | test_ptr(reporter); |
reed@google.com | 1cf58d0 | 2012-08-30 14:03:21 +0000 | [diff] [blame] | 278 | test_rewind(reporter); |
reed@google.com | dde0956 | 2011-05-23 12:21:05 +0000 | [diff] [blame] | 279 | } |
commit-bot@chromium.org | c30dcb9 | 2014-03-12 17:04:28 +0000 | [diff] [blame] | 280 | |