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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/edk/system/data_pipe.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <limits> | |
| 11 | |
| 12 #include "mojo/edk/system/configuration.h" | |
| 13 #include "testing/gtest/include/gtest/gtest.h" | |
| 14 | |
| 15 namespace mojo { | |
| 16 namespace system { | |
| 17 namespace { | |
| 18 | |
| 19 const uint32_t kSizeOfCreateOptions = | |
| 20 static_cast<uint32_t>(sizeof(MojoCreateDataPipeOptions)); | |
| 21 | |
| 22 // Does a cursory sanity check of |validated_options|. Calls | |
| 23 // |ValidateCreateOptions()| on already-validated options. The validated options | |
| 24 // should be valid, and the revalidated copy should be the same. | |
| 25 void RevalidateCreateOptions( | |
| 26 const MojoCreateDataPipeOptions& validated_options) { | |
| 27 EXPECT_EQ(kSizeOfCreateOptions, validated_options.struct_size); | |
| 28 // Nothing to check for flags. | |
| 29 EXPECT_GT(validated_options.element_num_bytes, 0u); | |
| 30 EXPECT_GT(validated_options.capacity_num_bytes, 0u); | |
| 31 EXPECT_EQ(0u, validated_options.capacity_num_bytes % | |
| 32 validated_options.element_num_bytes); | |
| 33 | |
| 34 MojoCreateDataPipeOptions revalidated_options = {}; | |
| 35 EXPECT_EQ(MOJO_RESULT_OK, | |
| 36 DataPipe::ValidateCreateOptions(MakeUserPointer(&validated_options), | |
| 37 &revalidated_options)); | |
| 38 EXPECT_EQ(validated_options.struct_size, revalidated_options.struct_size); | |
| 39 EXPECT_EQ(validated_options.element_num_bytes, | |
| 40 revalidated_options.element_num_bytes); | |
| 41 EXPECT_EQ(validated_options.capacity_num_bytes, | |
| 42 revalidated_options.capacity_num_bytes); | |
| 43 EXPECT_EQ(validated_options.flags, revalidated_options.flags); | |
| 44 } | |
| 45 | |
| 46 // Checks that a default-computed capacity is correct. (Does not duplicate the | |
| 47 // checks done by |RevalidateCreateOptions()|.) | |
| 48 void CheckDefaultCapacity(const MojoCreateDataPipeOptions& validated_options) { | |
| 49 EXPECT_LE(validated_options.capacity_num_bytes, | |
| 50 GetConfiguration().default_data_pipe_capacity_bytes); | |
| 51 EXPECT_GT(validated_options.capacity_num_bytes + | |
| 52 validated_options.element_num_bytes, | |
| 53 GetConfiguration().default_data_pipe_capacity_bytes); | |
| 54 } | |
| 55 | |
| 56 // Tests valid inputs to |ValidateCreateOptions()|. | |
| 57 TEST(DataPipeTest, ValidateCreateOptionsValid) { | |
| 58 // Default options. | |
| 59 { | |
| 60 MojoCreateDataPipeOptions validated_options = {}; | |
| 61 EXPECT_EQ(MOJO_RESULT_OK, DataPipe::ValidateCreateOptions( | |
| 62 NullUserPointer(), &validated_options)); | |
| 63 RevalidateCreateOptions(validated_options); | |
| 64 CheckDefaultCapacity(validated_options); | |
| 65 } | |
| 66 | |
| 67 // Size member, but nothing beyond. | |
| 68 { | |
| 69 MojoCreateDataPipeOptions options = { | |
| 70 offsetof(MojoCreateDataPipeOptions, flags) // |struct_size|. | |
| 71 }; | |
| 72 MojoCreateDataPipeOptions validated_options = {}; | |
| 73 EXPECT_EQ(MOJO_RESULT_OK, | |
| 74 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 75 &validated_options)); | |
| 76 RevalidateCreateOptions(validated_options); | |
| 77 CheckDefaultCapacity(validated_options); | |
| 78 } | |
| 79 | |
| 80 // Different flags. | |
| 81 MojoCreateDataPipeOptionsFlags flags_values[] = { | |
| 82 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, | |
| 83 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_MAY_DISCARD}; | |
| 84 for (size_t i = 0; i < arraysize(flags_values); i++) { | |
| 85 const MojoCreateDataPipeOptionsFlags flags = flags_values[i]; | |
| 86 | |
| 87 // Flags member, but nothing beyond. | |
| 88 { | |
| 89 MojoCreateDataPipeOptions options = { | |
| 90 // |struct_size|. | |
| 91 offsetof(MojoCreateDataPipeOptions, element_num_bytes), | |
| 92 flags // |flags|. | |
| 93 }; | |
| 94 MojoCreateDataPipeOptions validated_options = {}; | |
| 95 EXPECT_EQ(MOJO_RESULT_OK, | |
| 96 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 97 &validated_options)); | |
| 98 RevalidateCreateOptions(validated_options); | |
| 99 EXPECT_EQ(options.flags, validated_options.flags); | |
| 100 CheckDefaultCapacity(validated_options); | |
| 101 } | |
| 102 | |
| 103 // Different capacities (size 1). | |
| 104 for (uint32_t capacity = 1; capacity <= 100 * 1000 * 1000; capacity *= 10) { | |
| 105 MojoCreateDataPipeOptions options = { | |
| 106 kSizeOfCreateOptions, // |struct_size|. | |
| 107 flags, // |flags|. | |
| 108 1, // |element_num_bytes|. | |
| 109 capacity // |capacity_num_bytes|. | |
| 110 }; | |
| 111 MojoCreateDataPipeOptions validated_options = {}; | |
| 112 EXPECT_EQ(MOJO_RESULT_OK, | |
| 113 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 114 &validated_options)) | |
| 115 << capacity; | |
| 116 RevalidateCreateOptions(validated_options); | |
| 117 EXPECT_EQ(options.flags, validated_options.flags); | |
| 118 EXPECT_EQ(options.element_num_bytes, validated_options.element_num_bytes); | |
| 119 EXPECT_EQ(options.capacity_num_bytes, | |
| 120 validated_options.capacity_num_bytes); | |
| 121 } | |
| 122 | |
| 123 // Small sizes. | |
| 124 for (uint32_t size = 1; size < 100; size++) { | |
| 125 // Different capacities. | |
| 126 for (uint32_t elements = 1; elements <= 1000 * 1000; elements *= 10) { | |
| 127 MojoCreateDataPipeOptions options = { | |
| 128 kSizeOfCreateOptions, // |struct_size|. | |
| 129 flags, // |flags|. | |
| 130 size, // |element_num_bytes|. | |
| 131 size * elements // |capacity_num_bytes|. | |
| 132 }; | |
| 133 MojoCreateDataPipeOptions validated_options = {}; | |
| 134 EXPECT_EQ(MOJO_RESULT_OK, | |
| 135 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 136 &validated_options)) | |
| 137 << size << ", " << elements; | |
| 138 RevalidateCreateOptions(validated_options); | |
| 139 EXPECT_EQ(options.flags, validated_options.flags); | |
| 140 EXPECT_EQ(options.element_num_bytes, | |
| 141 validated_options.element_num_bytes); | |
| 142 EXPECT_EQ(options.capacity_num_bytes, | |
| 143 validated_options.capacity_num_bytes); | |
| 144 } | |
| 145 | |
| 146 // Default capacity. | |
| 147 { | |
| 148 MojoCreateDataPipeOptions options = { | |
| 149 kSizeOfCreateOptions, // |struct_size|. | |
| 150 flags, // |flags|. | |
| 151 size, // |element_num_bytes|. | |
| 152 0 // |capacity_num_bytes|. | |
| 153 }; | |
| 154 MojoCreateDataPipeOptions validated_options = {}; | |
| 155 EXPECT_EQ(MOJO_RESULT_OK, | |
| 156 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 157 &validated_options)) | |
| 158 << size; | |
| 159 RevalidateCreateOptions(validated_options); | |
| 160 EXPECT_EQ(options.flags, validated_options.flags); | |
| 161 EXPECT_EQ(options.element_num_bytes, | |
| 162 validated_options.element_num_bytes); | |
| 163 CheckDefaultCapacity(validated_options); | |
| 164 } | |
| 165 | |
| 166 // No capacity field. | |
| 167 { | |
| 168 MojoCreateDataPipeOptions options = { | |
| 169 // |struct_size|. | |
| 170 offsetof(MojoCreateDataPipeOptions, capacity_num_bytes), | |
| 171 flags, // |flags|. | |
| 172 size // |element_num_bytes|. | |
| 173 }; | |
| 174 MojoCreateDataPipeOptions validated_options = {}; | |
| 175 EXPECT_EQ(MOJO_RESULT_OK, | |
| 176 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 177 &validated_options)) | |
| 178 << size; | |
| 179 RevalidateCreateOptions(validated_options); | |
| 180 EXPECT_EQ(options.flags, validated_options.flags); | |
| 181 EXPECT_EQ(options.element_num_bytes, | |
| 182 validated_options.element_num_bytes); | |
| 183 CheckDefaultCapacity(validated_options); | |
| 184 } | |
| 185 } | |
| 186 | |
| 187 // Larger sizes. | |
| 188 for (uint32_t size = 100; size <= 100 * 1000; size *= 10) { | |
| 189 // Capacity of 1000 elements. | |
| 190 { | |
| 191 MojoCreateDataPipeOptions options = { | |
| 192 kSizeOfCreateOptions, // |struct_size|. | |
| 193 flags, // |flags|. | |
| 194 size, // |element_num_bytes|. | |
| 195 1000 * size // |capacity_num_bytes|. | |
| 196 }; | |
| 197 MojoCreateDataPipeOptions validated_options = {}; | |
| 198 EXPECT_EQ(MOJO_RESULT_OK, | |
| 199 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 200 &validated_options)) | |
| 201 << size; | |
| 202 RevalidateCreateOptions(validated_options); | |
| 203 EXPECT_EQ(options.flags, validated_options.flags); | |
| 204 EXPECT_EQ(options.element_num_bytes, | |
| 205 validated_options.element_num_bytes); | |
| 206 EXPECT_EQ(options.capacity_num_bytes, | |
| 207 validated_options.capacity_num_bytes); | |
| 208 } | |
| 209 | |
| 210 // Default capacity. | |
| 211 { | |
| 212 MojoCreateDataPipeOptions options = { | |
| 213 kSizeOfCreateOptions, // |struct_size|. | |
| 214 flags, // |flags|. | |
| 215 size, // |element_num_bytes|. | |
| 216 0 // |capacity_num_bytes|. | |
| 217 }; | |
| 218 MojoCreateDataPipeOptions validated_options = {}; | |
| 219 EXPECT_EQ(MOJO_RESULT_OK, | |
| 220 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 221 &validated_options)) | |
| 222 << size; | |
| 223 RevalidateCreateOptions(validated_options); | |
| 224 EXPECT_EQ(options.flags, validated_options.flags); | |
| 225 EXPECT_EQ(options.element_num_bytes, | |
| 226 validated_options.element_num_bytes); | |
| 227 CheckDefaultCapacity(validated_options); | |
| 228 } | |
| 229 | |
| 230 // No capacity field. | |
| 231 { | |
| 232 MojoCreateDataPipeOptions options = { | |
| 233 // |struct_size|. | |
| 234 offsetof(MojoCreateDataPipeOptions, capacity_num_bytes), | |
| 235 flags, // |flags|. | |
| 236 size // |element_num_bytes|. | |
| 237 }; | |
| 238 MojoCreateDataPipeOptions validated_options = {}; | |
| 239 EXPECT_EQ(MOJO_RESULT_OK, | |
| 240 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), | |
| 241 &validated_options)) | |
| 242 << size; | |
| 243 RevalidateCreateOptions(validated_options); | |
| 244 EXPECT_EQ(options.flags, validated_options.flags); | |
| 245 EXPECT_EQ(options.element_num_bytes, | |
| 246 validated_options.element_num_bytes); | |
| 247 CheckDefaultCapacity(validated_options); | |
| 248 } | |
| 249 } | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 TEST(DataPipeTest, ValidateCreateOptionsInvalid) { | |
| 254 // Invalid |struct_size|. | |
| 255 { | |
| 256 MojoCreateDataPipeOptions options = { | |
| 257 1, // |struct_size|. | |
| 258 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 259 1, // |element_num_bytes|. | |
| 260 0 // |capacity_num_bytes|. | |
| 261 }; | |
| 262 MojoCreateDataPipeOptions unused; | |
| 263 EXPECT_EQ( | |
| 264 MOJO_RESULT_INVALID_ARGUMENT, | |
| 265 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 266 } | |
| 267 | |
| 268 // Unknown |flags|. | |
| 269 { | |
| 270 MojoCreateDataPipeOptions options = { | |
| 271 kSizeOfCreateOptions, // |struct_size|. | |
| 272 ~0u, // |flags|. | |
| 273 1, // |element_num_bytes|. | |
| 274 0 // |capacity_num_bytes|. | |
| 275 }; | |
| 276 MojoCreateDataPipeOptions unused; | |
| 277 EXPECT_EQ( | |
| 278 MOJO_RESULT_UNIMPLEMENTED, | |
| 279 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 280 } | |
| 281 | |
| 282 // Invalid |element_num_bytes|. | |
| 283 { | |
| 284 MojoCreateDataPipeOptions options = { | |
| 285 kSizeOfCreateOptions, // |struct_size|. | |
| 286 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 287 0, // |element_num_bytes|. | |
| 288 1000 // |capacity_num_bytes|. | |
| 289 }; | |
| 290 MojoCreateDataPipeOptions unused; | |
| 291 EXPECT_EQ( | |
| 292 MOJO_RESULT_INVALID_ARGUMENT, | |
| 293 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 294 } | |
| 295 // |element_num_bytes| too big. | |
| 296 { | |
| 297 MojoCreateDataPipeOptions options = { | |
| 298 kSizeOfCreateOptions, // |struct_size|. | |
| 299 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 300 std::numeric_limits<uint32_t>::max(), // |element_num_bytes|. | |
| 301 std::numeric_limits<uint32_t>::max() // |capacity_num_bytes|. | |
| 302 }; | |
| 303 MojoCreateDataPipeOptions unused; | |
| 304 EXPECT_EQ( | |
| 305 MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 306 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 307 } | |
| 308 { | |
| 309 MojoCreateDataPipeOptions options = { | |
| 310 kSizeOfCreateOptions, // |struct_size|. | |
| 311 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 312 std::numeric_limits<uint32_t>::max() - 1000, // |element_num_bytes|. | |
| 313 std::numeric_limits<uint32_t>::max() - 1000 // |capacity_num_bytes|. | |
| 314 }; | |
| 315 MojoCreateDataPipeOptions unused; | |
| 316 EXPECT_EQ( | |
| 317 MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 318 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 319 } | |
| 320 | |
| 321 // Invalid |capacity_num_bytes|. | |
| 322 { | |
| 323 MojoCreateDataPipeOptions options = { | |
| 324 kSizeOfCreateOptions, // |struct_size|. | |
| 325 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 326 2, // |element_num_bytes|. | |
| 327 1 // |capacity_num_bytes|. | |
| 328 }; | |
| 329 MojoCreateDataPipeOptions unused; | |
| 330 EXPECT_EQ( | |
| 331 MOJO_RESULT_INVALID_ARGUMENT, | |
| 332 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 333 } | |
| 334 { | |
| 335 MojoCreateDataPipeOptions options = { | |
| 336 kSizeOfCreateOptions, // |struct_size|. | |
| 337 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 338 2, // |element_num_bytes|. | |
| 339 111 // |capacity_num_bytes|. | |
| 340 }; | |
| 341 MojoCreateDataPipeOptions unused; | |
| 342 EXPECT_EQ( | |
| 343 MOJO_RESULT_INVALID_ARGUMENT, | |
| 344 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 345 } | |
| 346 { | |
| 347 MojoCreateDataPipeOptions options = { | |
| 348 kSizeOfCreateOptions, // |struct_size|. | |
| 349 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 350 5, // |element_num_bytes|. | |
| 351 104 // |capacity_num_bytes|. | |
| 352 }; | |
| 353 MojoCreateDataPipeOptions unused; | |
| 354 EXPECT_EQ( | |
| 355 MOJO_RESULT_INVALID_ARGUMENT, | |
| 356 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 357 } | |
| 358 // |capacity_num_bytes| too big. | |
| 359 { | |
| 360 MojoCreateDataPipeOptions options = { | |
| 361 kSizeOfCreateOptions, // |struct_size|. | |
| 362 MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. | |
| 363 8, // |element_num_bytes|. | |
| 364 0xffff0000 // |capacity_num_bytes|. | |
| 365 }; | |
| 366 MojoCreateDataPipeOptions unused; | |
| 367 EXPECT_EQ( | |
| 368 MOJO_RESULT_RESOURCE_EXHAUSTED, | |
| 369 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | |
| 370 } | |
| 371 } | |
| 372 | |
| 373 } // namespace | |
| 374 } // namespace system | |
| 375 } // namespace mojo | |
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Chromium Code Reviews
Issue 814543006:
Move //mojo/{public, edk} underneath //third_party (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master