Fri, 27 May 2022 11:39:50 +0200
fix missing static inline for map functions
universe@530 | 1 | /* |
universe@530 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@530 | 3 | * |
universe@530 | 4 | * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
universe@530 | 5 | * |
universe@530 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@530 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@530 | 8 | * |
universe@530 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@530 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@530 | 11 | * |
universe@530 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@530 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@530 | 14 | * documentation and/or other materials provided with the distribution. |
universe@530 | 15 | * |
universe@530 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@530 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@530 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@530 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@530 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@530 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@530 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@530 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@530 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@530 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@530 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@530 | 27 | */ |
universe@530 | 28 | |
universe@530 | 29 | #include "cx/buffer.h" |
universe@530 | 30 | |
universe@530 | 31 | #include <gtest/gtest.h> |
universe@530 | 32 | #include "util_allocator.h" |
universe@530 | 33 | |
universe@548 | 34 | class BufferFixture : public ::testing::Test { |
universe@548 | 35 | protected: |
universe@548 | 36 | void SetUp() override { |
universe@548 | 37 | cxBufferInit(&buf, nullptr, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); |
universe@548 | 38 | buf.size = 6; |
universe@548 | 39 | buf.pos = 3; |
universe@548 | 40 | } |
universe@548 | 41 | |
universe@548 | 42 | void TearDown() override { |
universe@548 | 43 | cxBufferDestroy(&buf); |
universe@548 | 44 | } |
universe@548 | 45 | |
universe@548 | 46 | CxBuffer buf{}; |
universe@548 | 47 | }; |
universe@548 | 48 | |
universe@539 | 49 | static void expect_default_flush_config(CxBuffer *buf) { |
universe@539 | 50 | EXPECT_EQ(buf->flush_blkmax, 0); |
universe@539 | 51 | EXPECT_EQ(buf->flush_blksize, 4096); |
universe@539 | 52 | EXPECT_EQ(buf->flush_threshold, SIZE_MAX); |
universe@539 | 53 | EXPECT_EQ(buf->flush_func, nullptr); |
universe@541 | 54 | EXPECT_EQ(buf->flush_target, nullptr); |
universe@539 | 55 | } |
universe@539 | 56 | |
universe@535 | 57 | TEST(BufferInit, WrapSpace) { |
universe@535 | 58 | CxTestingAllocator alloc; |
universe@530 | 59 | CxBuffer buf; |
universe@535 | 60 | void *space = cxMalloc(&alloc, 16); |
universe@535 | 61 | cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_DEFAULT); |
universe@539 | 62 | expect_default_flush_config(&buf); |
universe@530 | 63 | EXPECT_EQ(buf.space, space); |
universe@530 | 64 | EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0); |
universe@530 | 65 | EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, 0); |
universe@530 | 66 | EXPECT_EQ(buf.pos, 0); |
universe@530 | 67 | EXPECT_EQ(buf.size, 0); |
universe@530 | 68 | EXPECT_EQ(buf.capacity, 16); |
universe@535 | 69 | EXPECT_EQ(buf.allocator, &alloc); |
universe@530 | 70 | cxBufferDestroy(&buf); |
universe@535 | 71 | EXPECT_FALSE(alloc.verify()); |
universe@535 | 72 | cxFree(&alloc, space); |
universe@535 | 73 | EXPECT_TRUE(alloc.verify()); |
universe@530 | 74 | } |
universe@530 | 75 | |
universe@539 | 76 | TEST(BufferInit, WrapSpaceAutoExtend) { |
universe@539 | 77 | CxTestingAllocator alloc; |
universe@539 | 78 | CxBuffer buf; |
universe@539 | 79 | void *space = cxMalloc(&alloc, 16); |
universe@539 | 80 | cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_AUTO_EXTEND); |
universe@539 | 81 | expect_default_flush_config(&buf); |
universe@539 | 82 | EXPECT_EQ(buf.space, space); |
universe@539 | 83 | EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, CX_BUFFER_AUTO_EXTEND); |
universe@539 | 84 | EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, 0); |
universe@539 | 85 | EXPECT_EQ(buf.pos, 0); |
universe@539 | 86 | EXPECT_EQ(buf.size, 0); |
universe@539 | 87 | EXPECT_EQ(buf.capacity, 16); |
universe@539 | 88 | EXPECT_EQ(buf.allocator, &alloc); |
universe@539 | 89 | cxBufferDestroy(&buf); |
universe@539 | 90 | EXPECT_FALSE(alloc.verify()); |
universe@539 | 91 | cxFree(&alloc, space); |
universe@539 | 92 | EXPECT_TRUE(alloc.verify()); |
universe@539 | 93 | } |
universe@539 | 94 | |
universe@535 | 95 | TEST(BufferInit, WrapSpaceAutoFree) { |
universe@535 | 96 | CxTestingAllocator alloc; |
universe@530 | 97 | CxBuffer buf; |
universe@535 | 98 | void *space = cxMalloc(&alloc, 16); |
universe@535 | 99 | cxBufferInit(&buf, space, 16, &alloc, CX_BUFFER_FREE_CONTENTS); |
universe@539 | 100 | expect_default_flush_config(&buf); |
universe@530 | 101 | EXPECT_EQ(buf.space, space); |
universe@530 | 102 | EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0); |
universe@530 | 103 | EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, CX_BUFFER_FREE_CONTENTS); |
universe@530 | 104 | EXPECT_EQ(buf.pos, 0); |
universe@530 | 105 | EXPECT_EQ(buf.size, 0); |
universe@530 | 106 | EXPECT_EQ(buf.capacity, 16); |
universe@535 | 107 | EXPECT_EQ(buf.allocator, &alloc); |
universe@535 | 108 | EXPECT_FALSE(alloc.verify()); |
universe@530 | 109 | cxBufferDestroy(&buf); |
universe@535 | 110 | EXPECT_TRUE(alloc.verify()); |
universe@530 | 111 | } |
universe@535 | 112 | |
universe@535 | 113 | TEST(BufferInit, FreshSpace) { |
universe@535 | 114 | CxTestingAllocator alloc; |
universe@535 | 115 | CxBuffer buf; |
universe@535 | 116 | cxBufferInit(&buf, nullptr, 8, &alloc, CX_BUFFER_DEFAULT); |
universe@539 | 117 | expect_default_flush_config(&buf); |
universe@535 | 118 | EXPECT_NE(buf.space, nullptr); |
universe@535 | 119 | EXPECT_EQ(buf.flags & CX_BUFFER_AUTO_EXTEND, 0); |
universe@535 | 120 | EXPECT_EQ(buf.flags & CX_BUFFER_FREE_CONTENTS, CX_BUFFER_FREE_CONTENTS); |
universe@535 | 121 | EXPECT_EQ(buf.pos, 0); |
universe@535 | 122 | EXPECT_EQ(buf.size, 0); |
universe@535 | 123 | EXPECT_EQ(buf.capacity, 8); |
universe@535 | 124 | EXPECT_EQ(buf.allocator, &alloc); |
universe@535 | 125 | EXPECT_FALSE(alloc.verify()); // space is still allocated |
universe@535 | 126 | cxBufferDestroy(&buf); |
universe@535 | 127 | EXPECT_TRUE(alloc.verify()); |
universe@535 | 128 | } |
universe@535 | 129 | |
universe@535 | 130 | class BufferShiftFixture : public ::testing::Test { |
universe@535 | 131 | protected: |
universe@535 | 132 | void SetUp() override { |
universe@535 | 133 | ASSERT_TRUE(alloc.verify()); |
universe@535 | 134 | cxBufferInit(&buf, nullptr, 16, &alloc, CX_BUFFER_DEFAULT); |
universe@535 | 135 | memcpy(buf.space, "test____________", 16); |
universe@535 | 136 | buf.capacity = 8; // purposely pretend that the buffer has less capacity s.t. we can test beyond the range |
universe@535 | 137 | buf.pos = 4; |
universe@535 | 138 | buf.size = 4; |
universe@535 | 139 | } |
universe@535 | 140 | |
universe@535 | 141 | void TearDown() override { |
universe@535 | 142 | cxBufferDestroy(&buf); |
universe@535 | 143 | EXPECT_TRUE(alloc.verify()); |
universe@535 | 144 | } |
universe@535 | 145 | |
universe@535 | 146 | CxTestingAllocator alloc; |
universe@535 | 147 | CxBuffer buf{}; |
universe@535 | 148 | }; |
universe@535 | 149 | |
universe@535 | 150 | class BufferShiftLeft : public BufferShiftFixture { |
universe@535 | 151 | }; |
universe@535 | 152 | |
universe@535 | 153 | TEST_F(BufferShiftLeft, Zero) { |
universe@535 | 154 | ASSERT_EQ(buf.pos, 4); |
universe@535 | 155 | ASSERT_EQ(buf.size, 4); |
universe@535 | 156 | int ret = cxBufferShiftLeft(&buf, 0); |
universe@535 | 157 | EXPECT_EQ(ret, 0); |
universe@535 | 158 | EXPECT_EQ(buf.pos, 4); |
universe@535 | 159 | EXPECT_EQ(buf.size, 4); |
universe@535 | 160 | EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0); |
universe@535 | 161 | } |
universe@535 | 162 | |
universe@547 | 163 | TEST_F(BufferShiftLeft, ZeroOffsetInterface) { |
universe@547 | 164 | ASSERT_EQ(buf.pos, 4); |
universe@547 | 165 | ASSERT_EQ(buf.size, 4); |
universe@547 | 166 | int ret = cxBufferShift(&buf, -0); |
universe@547 | 167 | EXPECT_EQ(ret, 0); |
universe@547 | 168 | EXPECT_EQ(buf.pos, 4); |
universe@547 | 169 | EXPECT_EQ(buf.size, 4); |
universe@547 | 170 | EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0); |
universe@547 | 171 | } |
universe@547 | 172 | |
universe@535 | 173 | TEST_F(BufferShiftLeft, Standard) { |
universe@535 | 174 | ASSERT_EQ(buf.pos, 4); |
universe@535 | 175 | ASSERT_EQ(buf.size, 4); |
universe@535 | 176 | int ret = cxBufferShiftLeft(&buf, 2); |
universe@535 | 177 | EXPECT_EQ(ret, 0); |
universe@535 | 178 | EXPECT_EQ(buf.pos, 2); |
universe@535 | 179 | EXPECT_EQ(buf.size, 2); |
universe@535 | 180 | EXPECT_TRUE(memcmp(buf.space, "stst________", 8) == 0); |
universe@535 | 181 | } |
universe@535 | 182 | |
universe@535 | 183 | TEST_F(BufferShiftLeft, Overshift) { |
universe@535 | 184 | ASSERT_LT(buf.pos, 6); |
universe@535 | 185 | ASSERT_LT(buf.size, 6); |
universe@535 | 186 | int ret = cxBufferShiftLeft(&buf, 6); |
universe@535 | 187 | EXPECT_EQ(ret, 0); |
universe@535 | 188 | EXPECT_EQ(buf.pos, 0); |
universe@535 | 189 | EXPECT_EQ(buf.size, 0); |
universe@535 | 190 | EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0); |
universe@535 | 191 | } |
universe@535 | 192 | |
universe@535 | 193 | TEST_F(BufferShiftLeft, OvershiftPosOnly) { |
universe@535 | 194 | buf.pos = 2; |
universe@535 | 195 | ASSERT_EQ(buf.size, 4); |
universe@535 | 196 | int ret = cxBufferShiftLeft(&buf, 3); |
universe@535 | 197 | EXPECT_EQ(ret, 0); |
universe@535 | 198 | EXPECT_EQ(buf.pos, 0); |
universe@535 | 199 | EXPECT_EQ(buf.size, 1); |
universe@535 | 200 | EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0); |
universe@535 | 201 | } |
universe@535 | 202 | |
universe@535 | 203 | TEST_F(BufferShiftLeft, OffsetInterface) { |
universe@535 | 204 | buf.pos = 3; |
universe@535 | 205 | ASSERT_EQ(buf.size, 4); |
universe@535 | 206 | int ret = cxBufferShift(&buf, -2); |
universe@535 | 207 | EXPECT_EQ(ret, 0); |
universe@535 | 208 | EXPECT_EQ(buf.pos, 1); |
universe@535 | 209 | EXPECT_EQ(buf.size, 2); |
universe@535 | 210 | EXPECT_TRUE(memcmp(buf.space, "stst________", 8) == 0); |
universe@535 | 211 | } |
universe@535 | 212 | |
universe@535 | 213 | class BufferShiftRight : public BufferShiftFixture { |
universe@535 | 214 | }; |
universe@535 | 215 | |
universe@535 | 216 | TEST_F(BufferShiftRight, Zero) { |
universe@535 | 217 | ASSERT_EQ(buf.pos, 4); |
universe@535 | 218 | ASSERT_EQ(buf.size, 4); |
universe@535 | 219 | int ret = cxBufferShiftRight(&buf, 0); |
universe@535 | 220 | EXPECT_EQ(ret, 0); |
universe@535 | 221 | EXPECT_EQ(buf.pos, 4); |
universe@535 | 222 | EXPECT_EQ(buf.size, 4); |
universe@535 | 223 | EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0); |
universe@535 | 224 | } |
universe@535 | 225 | |
universe@547 | 226 | TEST_F(BufferShiftRight, ZeroOffsetInterface) { |
universe@547 | 227 | ASSERT_EQ(buf.pos, 4); |
universe@547 | 228 | ASSERT_EQ(buf.size, 4); |
universe@547 | 229 | int ret = cxBufferShift(&buf, +0); |
universe@547 | 230 | EXPECT_EQ(ret, 0); |
universe@547 | 231 | EXPECT_EQ(buf.pos, 4); |
universe@547 | 232 | EXPECT_EQ(buf.size, 4); |
universe@547 | 233 | EXPECT_TRUE(memcmp(buf.space, "test________", 8) == 0); |
universe@547 | 234 | } |
universe@547 | 235 | |
universe@535 | 236 | TEST_F(BufferShiftRight, Standard) { |
universe@535 | 237 | ASSERT_EQ(buf.pos, 4); |
universe@535 | 238 | ASSERT_EQ(buf.size, 4); |
universe@535 | 239 | int ret = cxBufferShiftRight(&buf, 3); |
universe@535 | 240 | EXPECT_EQ(ret, 0); |
universe@535 | 241 | EXPECT_EQ(buf.pos, 7); |
universe@535 | 242 | EXPECT_EQ(buf.size, 7); |
universe@535 | 243 | EXPECT_TRUE(memcmp(buf.space, "testest_____", 8) == 0); |
universe@535 | 244 | } |
universe@535 | 245 | |
universe@535 | 246 | TEST_F(BufferShiftRight, OvershiftDiscard) { |
universe@535 | 247 | ASSERT_EQ(buf.pos, 4); |
universe@535 | 248 | ASSERT_EQ(buf.size, 4); |
universe@535 | 249 | ASSERT_EQ(buf.capacity, 8); |
universe@535 | 250 | int ret = cxBufferShiftRight(&buf, 6); |
universe@535 | 251 | EXPECT_EQ(ret, 0); |
universe@535 | 252 | EXPECT_EQ(buf.pos, 8); |
universe@535 | 253 | EXPECT_EQ(buf.size, 8); |
universe@535 | 254 | EXPECT_EQ(buf.capacity, 8); |
universe@535 | 255 | EXPECT_TRUE(memcmp(buf.space, "test__te____", 8) == 0); |
universe@535 | 256 | } |
universe@535 | 257 | |
universe@535 | 258 | TEST_F(BufferShiftRight, OvershiftExtend) { |
universe@535 | 259 | ASSERT_EQ(buf.pos, 4); |
universe@535 | 260 | ASSERT_EQ(buf.size, 4); |
universe@535 | 261 | ASSERT_EQ(buf.capacity, 8); |
universe@535 | 262 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@535 | 263 | int ret = cxBufferShiftRight(&buf, 6); |
universe@535 | 264 | EXPECT_EQ(ret, 0); |
universe@535 | 265 | EXPECT_EQ(buf.pos, 10); |
universe@535 | 266 | EXPECT_EQ(buf.size, 10); |
universe@535 | 267 | EXPECT_GE(buf.capacity, 10); |
universe@535 | 268 | EXPECT_TRUE(memcmp(buf.space, "test__test__", 8) == 0); |
universe@535 | 269 | } |
universe@535 | 270 | |
universe@535 | 271 | TEST_F(BufferShiftRight, OffsetInterface) { |
universe@535 | 272 | buf.pos = 3; |
universe@535 | 273 | ASSERT_EQ(buf.size, 4); |
universe@535 | 274 | int ret = cxBufferShift(&buf, 2); |
universe@535 | 275 | EXPECT_EQ(ret, 0); |
universe@535 | 276 | EXPECT_EQ(buf.pos, 5); |
universe@535 | 277 | EXPECT_EQ(buf.size, 6); |
universe@535 | 278 | EXPECT_TRUE(memcmp(buf.space, "tetest______", 8) == 0); |
universe@535 | 279 | } |
universe@535 | 280 | |
universe@535 | 281 | TEST(BufferMinimumCapacity, Sufficient) { |
universe@535 | 282 | CxTestingAllocator alloc; |
universe@535 | 283 | auto space = cxMalloc(&alloc, 8); |
universe@535 | 284 | CxBuffer buf; |
universe@535 | 285 | cxBufferInit(&buf, space, 8, &alloc, CX_BUFFER_FREE_CONTENTS); |
universe@535 | 286 | memcpy(space, "Testing", 8); |
universe@535 | 287 | buf.size = 8; |
universe@535 | 288 | cxBufferMinimumCapacity(&buf, 6); |
universe@535 | 289 | EXPECT_EQ(buf.capacity, 8); |
universe@535 | 290 | EXPECT_EQ(buf.size, 8); |
universe@535 | 291 | EXPECT_TRUE(memcmp(buf.space, "Testing", 8) == 0); |
universe@535 | 292 | cxBufferDestroy(&buf); |
universe@535 | 293 | EXPECT_TRUE(alloc.verify()); |
universe@535 | 294 | } |
universe@535 | 295 | |
universe@535 | 296 | TEST(BufferMinimumCapacity, Extend) { |
universe@535 | 297 | CxTestingAllocator alloc; |
universe@535 | 298 | auto space = cxMalloc(&alloc, 8); |
universe@535 | 299 | CxBuffer buf; |
universe@535 | 300 | cxBufferInit(&buf, space, 8, &alloc, CX_BUFFER_FREE_CONTENTS); // NO auto extend! |
universe@535 | 301 | memcpy(space, "Testing", 8); |
universe@535 | 302 | buf.size = 8; |
universe@535 | 303 | cxBufferMinimumCapacity(&buf, 16); |
universe@535 | 304 | EXPECT_EQ(buf.capacity, 16); |
universe@535 | 305 | EXPECT_EQ(buf.size, 8); |
universe@535 | 306 | EXPECT_TRUE(memcmp(buf.space, "Testing", 8) == 0); |
universe@535 | 307 | cxBufferDestroy(&buf); |
universe@535 | 308 | EXPECT_TRUE(alloc.verify()); |
universe@535 | 309 | } |
universe@536 | 310 | |
universe@536 | 311 | TEST(BufferClear, Test) { |
universe@536 | 312 | char space[16]; |
universe@536 | 313 | strcpy(space, "clear test"); |
universe@536 | 314 | CxBuffer buf; |
universe@536 | 315 | cxBufferInit(&buf, space, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); |
universe@536 | 316 | ASSERT_EQ(buf.size, 0); |
universe@536 | 317 | // only clear the used part of the buffer |
universe@536 | 318 | cxBufferClear(&buf); |
universe@536 | 319 | EXPECT_EQ(memcmp(space, "clear test", 10), 0); |
universe@536 | 320 | buf.size = 5; |
universe@536 | 321 | buf.pos = 3; |
universe@536 | 322 | cxBufferClear(&buf); |
universe@536 | 323 | EXPECT_EQ(memcmp(space, "\0\0\0\0\0 test", 10), 0); |
universe@536 | 324 | EXPECT_EQ(buf.size, 0); |
universe@536 | 325 | EXPECT_EQ(buf.pos, 0); |
universe@538 | 326 | cxBufferDestroy(&buf); |
universe@536 | 327 | } |
universe@538 | 328 | |
universe@538 | 329 | class BufferWrite : public ::testing::Test { |
universe@538 | 330 | protected: |
universe@545 | 331 | CxBuffer buf{}, target{}; |
universe@538 | 332 | |
universe@538 | 333 | void SetUp() override { |
universe@545 | 334 | cxBufferInit(&target, nullptr, 16, cxDefaultAllocator, CX_BUFFER_AUTO_EXTEND); |
universe@538 | 335 | cxBufferInit(&buf, nullptr, 16, cxDefaultAllocator, CX_BUFFER_DEFAULT); |
universe@538 | 336 | buf.capacity = 8; // artificially reduce capacity to check OOB writes |
universe@538 | 337 | memset(buf.space, 0, 16); |
universe@538 | 338 | memcpy(buf.space, "prep", 4); |
universe@538 | 339 | buf.size = buf.pos = 4; |
universe@538 | 340 | } |
universe@538 | 341 | |
universe@538 | 342 | void TearDown() override { |
universe@538 | 343 | cxBufferDestroy(&buf); |
universe@545 | 344 | cxBufferDestroy(&target); |
universe@545 | 345 | } |
universe@545 | 346 | |
universe@545 | 347 | void enableFlushing() { |
universe@545 | 348 | buf.flush_target = ⌖ |
universe@545 | 349 | buf.flush_func = reinterpret_cast<cx_write_func>(cxBufferWrite); |
universe@545 | 350 | buf.flush_blkmax = 1; |
universe@538 | 351 | } |
universe@538 | 352 | }; |
universe@538 | 353 | |
universe@538 | 354 | TEST_F(BufferWrite, SizeOneFit) { |
universe@538 | 355 | const char *data = "test"; |
universe@538 | 356 | ASSERT_EQ(buf.capacity, 8); |
universe@538 | 357 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 358 | ASSERT_EQ(buf.size, 4); |
universe@538 | 359 | size_t written = cxBufferWrite(data, 1, 4, &buf); |
universe@538 | 360 | EXPECT_EQ(written, 4); |
universe@538 | 361 | EXPECT_EQ(buf.size, 8); |
universe@538 | 362 | EXPECT_EQ(buf.pos, 8); |
universe@538 | 363 | EXPECT_EQ(buf.capacity, 8); |
universe@538 | 364 | EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0); |
universe@538 | 365 | } |
universe@538 | 366 | |
universe@538 | 367 | TEST_F(BufferWrite, SizeOneDiscard) { |
universe@538 | 368 | const char *data = "testing"; |
universe@538 | 369 | ASSERT_EQ(buf.capacity, 8); |
universe@538 | 370 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 371 | ASSERT_EQ(buf.size, 4); |
universe@538 | 372 | size_t written = cxBufferWrite(data, 1, 7, &buf); |
universe@538 | 373 | EXPECT_EQ(written, 4); |
universe@538 | 374 | EXPECT_EQ(buf.size, 8); |
universe@538 | 375 | EXPECT_EQ(buf.pos, 8); |
universe@538 | 376 | EXPECT_EQ(buf.capacity, 8); |
universe@538 | 377 | EXPECT_EQ(memcmp(buf.space, "preptest\0", 9), 0); |
universe@538 | 378 | } |
universe@538 | 379 | |
universe@538 | 380 | TEST_F(BufferWrite, SizeOneExtend) { |
universe@538 | 381 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@538 | 382 | const char *data = "testing"; |
universe@538 | 383 | ASSERT_EQ(buf.capacity, 8); |
universe@538 | 384 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 385 | ASSERT_EQ(buf.size, 4); |
universe@538 | 386 | size_t written = cxBufferWrite(data, 1, 7, &buf); |
universe@538 | 387 | EXPECT_EQ(written, 7); |
universe@538 | 388 | EXPECT_EQ(buf.size, 11); |
universe@538 | 389 | EXPECT_EQ(buf.pos, 11); |
universe@538 | 390 | EXPECT_GE(buf.capacity, 11); |
universe@538 | 391 | EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0); |
universe@538 | 392 | } |
universe@538 | 393 | |
universe@538 | 394 | TEST_F(BufferWrite, MultibyteFit) { |
universe@541 | 395 | const char *data = "test"; |
universe@541 | 396 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 397 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 398 | ASSERT_EQ(buf.size, 4); |
universe@541 | 399 | size_t written = cxBufferWrite(data, 2, 2, &buf); |
universe@541 | 400 | EXPECT_EQ(written, 2); |
universe@541 | 401 | EXPECT_EQ(buf.size, 8); |
universe@541 | 402 | EXPECT_EQ(buf.pos, 8); |
universe@541 | 403 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 404 | EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0); |
universe@538 | 405 | } |
universe@538 | 406 | |
universe@538 | 407 | TEST_F(BufferWrite, MultibyteDiscard) { |
universe@542 | 408 | const char *data = "testing"; |
universe@541 | 409 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 410 | ASSERT_EQ(buf.size, 4); |
universe@541 | 411 | buf.pos = 3; |
universe@542 | 412 | size_t written = cxBufferWrite(data, 2, 4, &buf); |
universe@538 | 413 | // remember: whole elements are discarded if they do not fit |
universe@541 | 414 | EXPECT_EQ(written, 2); |
universe@541 | 415 | EXPECT_EQ(buf.size, 7); |
universe@541 | 416 | EXPECT_EQ(buf.pos, 7); |
universe@541 | 417 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 418 | EXPECT_EQ(memcmp(buf.space, "pretest\0", 8), 0); |
universe@538 | 419 | } |
universe@538 | 420 | |
universe@538 | 421 | TEST_F(BufferWrite, MultibyteExtend) { |
universe@541 | 422 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@541 | 423 | const char *data = "tester"; |
universe@541 | 424 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 425 | ASSERT_EQ(buf.size, 4); |
universe@541 | 426 | buf.pos = 3; |
universe@541 | 427 | size_t written = cxBufferWrite(data, 2, 3, &buf); |
universe@541 | 428 | // remember: whole elements are discarded if they do not fit |
universe@541 | 429 | EXPECT_EQ(written, 3); |
universe@541 | 430 | EXPECT_EQ(buf.size, 9); |
universe@541 | 431 | EXPECT_EQ(buf.pos, 9); |
universe@541 | 432 | EXPECT_GE(buf.capacity, 9); |
universe@541 | 433 | EXPECT_EQ(memcmp(buf.space, "pretester\0", 10), 0); |
universe@538 | 434 | } |
universe@538 | 435 | |
universe@538 | 436 | TEST_F(BufferWrite, PutcWrapperFit) { |
universe@541 | 437 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 438 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 439 | ASSERT_EQ(buf.size, 4); |
universe@541 | 440 | int c = cxBufferPut(&buf, 0x20 | 'a'); |
universe@541 | 441 | EXPECT_EQ(c, 'a'); |
universe@541 | 442 | EXPECT_EQ(buf.size, 5); |
universe@541 | 443 | EXPECT_EQ(buf.pos, 5); |
universe@541 | 444 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 445 | EXPECT_EQ(memcmp(buf.space, "prepa\0", 6), 0); |
universe@538 | 446 | } |
universe@538 | 447 | |
universe@538 | 448 | TEST_F(BufferWrite, PutcWrapperDiscard) { |
universe@541 | 449 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 450 | ASSERT_EQ(buf.size, 4); |
universe@541 | 451 | buf.pos = 8; |
universe@541 | 452 | int c = cxBufferPut(&buf, 0x20 | 'a'); |
universe@541 | 453 | EXPECT_EQ(c, EOF); |
universe@541 | 454 | EXPECT_EQ(buf.size, 4); |
universe@541 | 455 | EXPECT_EQ(buf.pos, 8); |
universe@541 | 456 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 457 | EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0\0", 9), 0); |
universe@538 | 458 | } |
universe@538 | 459 | |
universe@538 | 460 | TEST_F(BufferWrite, PutcWrapperExtend) { |
universe@541 | 461 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@541 | 462 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 463 | ASSERT_EQ(buf.size, 4); |
universe@541 | 464 | buf.pos = 8; |
universe@541 | 465 | int c = cxBufferPut(&buf, 0x20 | 'a'); |
universe@541 | 466 | EXPECT_EQ(c, 'a'); |
universe@541 | 467 | EXPECT_EQ(buf.size, 9); |
universe@541 | 468 | EXPECT_EQ(buf.pos, 9); |
universe@541 | 469 | EXPECT_GE(buf.capacity, 9); |
universe@541 | 470 | EXPECT_EQ(memcmp(buf.space, "prep\0\0\0\0a\0", 10), 0); |
universe@538 | 471 | } |
universe@538 | 472 | |
universe@538 | 473 | TEST_F(BufferWrite, PutStringWrapperFit) { |
universe@541 | 474 | const char *data = "test"; |
universe@541 | 475 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 476 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 477 | ASSERT_EQ(buf.size, 4); |
universe@541 | 478 | size_t written = cxBufferPutString(&buf, data); |
universe@541 | 479 | EXPECT_EQ(written, 4); |
universe@541 | 480 | EXPECT_EQ(buf.size, 8); |
universe@541 | 481 | EXPECT_EQ(buf.pos, 8); |
universe@541 | 482 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 483 | EXPECT_EQ(memcmp(buf.space, "preptest", 8), 0); |
universe@538 | 484 | } |
universe@538 | 485 | |
universe@538 | 486 | TEST_F(BufferWrite, PutStringWrapperDiscard) { |
universe@541 | 487 | const char *data = "testing"; |
universe@541 | 488 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 489 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 490 | ASSERT_EQ(buf.size, 4); |
universe@541 | 491 | size_t written = cxBufferPutString(&buf, data); |
universe@541 | 492 | EXPECT_EQ(written, 4); |
universe@541 | 493 | EXPECT_EQ(buf.size, 8); |
universe@541 | 494 | EXPECT_EQ(buf.pos, 8); |
universe@541 | 495 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 496 | EXPECT_EQ(memcmp(buf.space, "preptest\0", 9), 0); |
universe@538 | 497 | } |
universe@538 | 498 | |
universe@538 | 499 | TEST_F(BufferWrite, PutStringWrapperExtend) { |
universe@541 | 500 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@541 | 501 | const char *data = "testing"; |
universe@541 | 502 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 503 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 504 | ASSERT_EQ(buf.size, 4); |
universe@541 | 505 | size_t written = cxBufferPutString(&buf, data); |
universe@541 | 506 | EXPECT_EQ(written, 7); |
universe@541 | 507 | EXPECT_EQ(buf.size, 11); |
universe@541 | 508 | EXPECT_EQ(buf.pos, 11); |
universe@541 | 509 | EXPECT_GE(buf.capacity, 11); |
universe@541 | 510 | EXPECT_EQ(memcmp(buf.space, "preptesting", 11), 0); |
universe@541 | 511 | } |
universe@538 | 512 | |
universe@541 | 513 | TEST_F(BufferWrite, MultOverflow) { |
universe@541 | 514 | const char *data = "testing"; |
universe@541 | 515 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 516 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 517 | ASSERT_EQ(buf.size, 4); |
universe@541 | 518 | size_t written = cxBufferWrite(data, 8, SIZE_MAX / 4, &buf); |
universe@541 | 519 | EXPECT_EQ(written, 0); |
universe@541 | 520 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 521 | EXPECT_EQ(buf.pos, 4); |
universe@541 | 522 | EXPECT_EQ(buf.size, 4); |
universe@541 | 523 | EXPECT_EQ(memcmp(buf.space, "prep\0", 5), 0); |
universe@538 | 524 | } |
universe@541 | 525 | |
universe@541 | 526 | TEST_F(BufferWrite, MaxCapaOverflow) { |
universe@541 | 527 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@541 | 528 | const char *data = "testing"; |
universe@541 | 529 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 530 | ASSERT_EQ(buf.pos, 4); |
universe@541 | 531 | ASSERT_EQ(buf.size, 4); |
universe@541 | 532 | size_t written = cxBufferWrite(data, 1, SIZE_MAX - 2, &buf); |
universe@541 | 533 | EXPECT_EQ(written, 0); |
universe@541 | 534 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 535 | EXPECT_EQ(buf.pos, 4); |
universe@541 | 536 | EXPECT_EQ(buf.size, 4); |
universe@541 | 537 | EXPECT_EQ(memcmp(buf.space, "prep\0", 5), 0); |
universe@541 | 538 | } |
universe@541 | 539 | |
universe@541 | 540 | TEST_F(BufferWrite, OnlyOverwrite) { |
universe@541 | 541 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@541 | 542 | ASSERT_EQ(buf.capacity, 8); |
universe@541 | 543 | memcpy(buf.space, "preptest", 8); |
universe@541 | 544 | buf.pos = 3; |
universe@541 | 545 | buf.size = 8; |
universe@541 | 546 | size_t written = cxBufferWrite("XXX", 2, 2, &buf); |
universe@541 | 547 | EXPECT_EQ(written, 2); |
universe@541 | 548 | EXPECT_EQ(buf.capacity, 8); |
universe@541 | 549 | EXPECT_EQ(buf.size, 8); |
universe@541 | 550 | EXPECT_EQ(buf.pos, 7); |
universe@541 | 551 | EXPECT_EQ(memcmp(buf.space, "preXXX\0t", 8), 0); |
universe@541 | 552 | } |
universe@545 | 553 | |
universe@545 | 554 | TEST_F(BufferWrite, FlushAtCapacity) { |
universe@545 | 555 | enableFlushing(); |
universe@545 | 556 | ASSERT_EQ(buf.capacity, 8); |
universe@545 | 557 | ASSERT_EQ(buf.pos, 4); |
universe@545 | 558 | size_t written = cxBufferWrite("foo", 1, 3, &buf); |
universe@545 | 559 | EXPECT_EQ(written, 3); |
universe@545 | 560 | ASSERT_EQ(buf.pos, 7); |
universe@545 | 561 | ASSERT_EQ(buf.size, 7); |
universe@545 | 562 | ASSERT_EQ(target.pos, 0); |
universe@545 | 563 | ASSERT_EQ(target.size, 0); |
universe@545 | 564 | written = cxBufferWrite("hello", 1, 5, &buf); |
universe@545 | 565 | EXPECT_EQ(written, 5); |
universe@545 | 566 | EXPECT_EQ(buf.pos, 0); |
universe@545 | 567 | EXPECT_EQ(buf.size, 0); |
universe@545 | 568 | EXPECT_EQ(buf.capacity, 8); |
universe@545 | 569 | EXPECT_EQ(target.pos, 12); |
universe@545 | 570 | ASSERT_EQ(target.size, 12); |
universe@545 | 571 | EXPECT_EQ(memcmp(target.space, "prepfoohello", 12), 0); |
universe@545 | 572 | } |
universe@546 | 573 | |
universe@546 | 574 | TEST_F(BufferWrite, FlushAtThreshold) { |
universe@546 | 575 | enableFlushing(); |
universe@546 | 576 | buf.flush_threshold = 12; |
universe@546 | 577 | buf.flags |= CX_BUFFER_AUTO_EXTEND; |
universe@546 | 578 | ASSERT_EQ(buf.capacity, 8); |
universe@546 | 579 | ASSERT_EQ(buf.pos, 4); |
universe@546 | 580 | size_t written = cxBufferWrite("foobar", 1, 6, &buf); |
universe@546 | 581 | EXPECT_EQ(written, 6); |
universe@546 | 582 | ASSERT_EQ(buf.pos, 10); |
universe@546 | 583 | ASSERT_EQ(buf.size, 10); |
universe@546 | 584 | ASSERT_GE(buf.capacity, 10); |
universe@546 | 585 | ASSERT_LE(buf.capacity, 12); |
universe@546 | 586 | ASSERT_EQ(target.pos, 0); |
universe@546 | 587 | ASSERT_EQ(target.size, 0); |
universe@546 | 588 | written = cxBufferWrite("hello", 1, 5, &buf); |
universe@546 | 589 | EXPECT_EQ(written, 5); |
universe@546 | 590 | EXPECT_EQ(buf.pos, 0); |
universe@546 | 591 | EXPECT_EQ(buf.size, 0); |
universe@546 | 592 | EXPECT_LE(buf.capacity, 12); |
universe@546 | 593 | EXPECT_EQ(target.pos, 15); |
universe@546 | 594 | ASSERT_EQ(target.size, 15); |
universe@546 | 595 | EXPECT_EQ(memcmp(target.space, "prepfoobarhello", 15), 0); |
universe@546 | 596 | } |
universe@547 | 597 | |
universe@548 | 598 | class BufferSeek : public BufferFixture { |
universe@547 | 599 | }; |
universe@547 | 600 | |
universe@547 | 601 | TEST_F(BufferSeek, SetZero) { |
universe@547 | 602 | int result = cxBufferSeek(&buf, 0, SEEK_SET); |
universe@547 | 603 | EXPECT_EQ(result, 0); |
universe@547 | 604 | EXPECT_EQ(buf.pos, 0); |
universe@547 | 605 | } |
universe@547 | 606 | |
universe@547 | 607 | TEST_F(BufferSeek, SetValid) { |
universe@547 | 608 | int result = cxBufferSeek(&buf, 5, SEEK_SET); |
universe@547 | 609 | EXPECT_EQ(result, 0); |
universe@547 | 610 | EXPECT_EQ(buf.pos, 5); |
universe@547 | 611 | } |
universe@547 | 612 | |
universe@547 | 613 | TEST_F(BufferSeek, SetInvalid) { |
universe@547 | 614 | ASSERT_EQ(buf.pos, 3); |
universe@547 | 615 | int result = cxBufferSeek(&buf, 6, SEEK_SET); |
universe@547 | 616 | EXPECT_NE(result, 0); |
universe@547 | 617 | EXPECT_EQ(buf.pos, 3); |
universe@547 | 618 | } |
universe@547 | 619 | |
universe@547 | 620 | TEST_F(BufferSeek, CurZero) { |
universe@547 | 621 | ASSERT_EQ(buf.pos, 3); |
universe@547 | 622 | int result = cxBufferSeek(&buf, 0, SEEK_CUR); |
universe@547 | 623 | EXPECT_EQ(result, 0); |
universe@547 | 624 | EXPECT_EQ(buf.pos, 3); |
universe@547 | 625 | } |
universe@547 | 626 | |
universe@547 | 627 | TEST_F(BufferSeek, CurValidPositive) { |
universe@547 | 628 | ASSERT_EQ(buf.pos, 3); |
universe@547 | 629 | int result = cxBufferSeek(&buf, 2, SEEK_CUR); |
universe@547 | 630 | EXPECT_EQ(result, 0); |
universe@547 | 631 | EXPECT_EQ(buf.pos, 5); |
universe@547 | 632 | } |
universe@547 | 633 | |
universe@547 | 634 | TEST_F(BufferSeek, CurValidNegative) { |
universe@547 | 635 | ASSERT_EQ(buf.pos, 3); |
universe@547 | 636 | int result = cxBufferSeek(&buf, -3, SEEK_CUR); |
universe@547 | 637 | EXPECT_EQ(result, 0); |
universe@547 | 638 | EXPECT_EQ(buf.pos, 0); |
universe@547 | 639 | } |
universe@547 | 640 | |
universe@547 | 641 | TEST_F(BufferSeek, CurInvalidPositive) { |
universe@547 | 642 | ASSERT_EQ(buf.pos, 3); |
universe@547 | 643 | int result = cxBufferSeek(&buf, 3, SEEK_CUR); |
universe@547 | 644 | EXPECT_NE(result, 0); |
universe@547 | 645 | EXPECT_EQ(buf.pos, 3); |
universe@547 | 646 | } |
universe@547 | 647 | |
universe@547 | 648 | TEST_F(BufferSeek, CurInvalidNegative) { |
universe@547 | 649 | ASSERT_EQ(buf.pos, 3); |
universe@547 | 650 | int result = cxBufferSeek(&buf, -4, SEEK_CUR); |
universe@547 | 651 | EXPECT_NE(result, 0); |
universe@547 | 652 | EXPECT_EQ(buf.pos, 3); |
universe@547 | 653 | } |
universe@547 | 654 | |
universe@547 | 655 | TEST_F(BufferSeek, EndZero) { |
universe@547 | 656 | ASSERT_EQ(buf.size, 6); |
universe@547 | 657 | int result = cxBufferSeek(&buf, 0, SEEK_END); |
universe@547 | 658 | // the (past-the-)end position is always invalid |
universe@547 | 659 | EXPECT_NE(result, 0); |
universe@547 | 660 | EXPECT_EQ(buf.pos, 3); |
universe@547 | 661 | } |
universe@547 | 662 | |
universe@547 | 663 | TEST_F(BufferSeek, EndValid) { |
universe@547 | 664 | ASSERT_EQ(buf.size, 6); |
universe@547 | 665 | int result = cxBufferSeek(&buf, -6, SEEK_END); |
universe@547 | 666 | EXPECT_EQ(result, 0); |
universe@547 | 667 | EXPECT_EQ(buf.pos, 0); |
universe@547 | 668 | } |
universe@547 | 669 | |
universe@547 | 670 | TEST_F(BufferSeek, EndInvalid) { |
universe@547 | 671 | ASSERT_EQ(buf.size, 6); |
universe@547 | 672 | int result = cxBufferSeek(&buf, 1, SEEK_END); |
universe@547 | 673 | EXPECT_NE(result, 0); |
universe@547 | 674 | EXPECT_EQ(buf.pos, 3); |
universe@547 | 675 | } |
universe@547 | 676 | |
universe@547 | 677 | TEST_F(BufferSeek, WhenceInvalid) { |
universe@547 | 678 | ASSERT_EQ(buf.size, 6); |
universe@547 | 679 | ASSERT_EQ(buf.pos, 3); |
universe@547 | 680 | int result = cxBufferSeek(&buf, 2, 9000); |
universe@547 | 681 | EXPECT_NE(result, 0); |
universe@547 | 682 | EXPECT_EQ(buf.size, 6); |
universe@547 | 683 | EXPECT_EQ(buf.pos, 3); |
universe@548 | 684 | } |
universe@548 | 685 | |
universe@548 | 686 | class BufferEof : public BufferFixture { |
universe@548 | 687 | }; |
universe@548 | 688 | |
universe@548 | 689 | TEST_F(BufferEof, Reached) { |
universe@548 | 690 | buf.pos = buf.size; |
universe@548 | 691 | EXPECT_TRUE(cxBufferEof(&buf)); |
universe@548 | 692 | buf.pos = buf.size - 1; |
universe@548 | 693 | ASSERT_FALSE(cxBufferEof(&buf)); |
universe@548 | 694 | cxBufferPut(&buf, 'a'); |
universe@548 | 695 | EXPECT_TRUE(cxBufferEof(&buf)); |
universe@548 | 696 | } |
universe@548 | 697 | |
universe@548 | 698 | TEST_F(BufferEof, NotReached) { |
universe@548 | 699 | buf.pos = buf.size - 1; |
universe@548 | 700 | EXPECT_FALSE(cxBufferEof(&buf)); |
universe@548 | 701 | buf.pos = 0; |
universe@548 | 702 | cxBufferWrite("test", 1, 5, &buf); |
universe@548 | 703 | EXPECT_FALSE(cxBufferEof(&buf)); |
universe@548 | 704 | } |