| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "libnetdata/libnetdata.h" |
| 4 | #include "eval-internal.h" |
| 5 | |
| 6 | // Mock variable lookup function for testing |
| 7 | static bool test_variable_lookup(STRING *variable, void *data __maybe_unused, NETDATA_DOUBLE *result) { |
| 8 | const char *var_name = string2str(variable); |
| 9 | |
| 10 | // Basic variables |
| 11 | if (strcmp(var_name, "var1") == 0) { |
| 12 | *result = 42.0; |
| 13 | return true; |
| 14 | } |
| 15 | else if (strcmp(var_name, "var2") == 0) { |
| 16 | *result = 24.0; |
| 17 | return true; |
| 18 | } |
| 19 | else if (strcmp(var_name, "zero") == 0) { |
| 20 | *result = 0.0; |
| 21 | return true; |
| 22 | } |
| 23 | else if (strcmp(var_name, "negative") == 0) { |
| 24 | *result = -10.0; |
| 25 | return true; |
| 26 | } |
| 27 | |
| 28 | // Special values |
| 29 | else if (strcmp(var_name, "nan_var") == 0) { |
| 30 | *result = NAN; |
| 31 | return true; |
| 32 | } |
| 33 | else if (strcmp(var_name, "inf_var") == 0) { |
| 34 | *result = INFINITY; |
| 35 | return true; |
| 36 | } |
| 37 | |
| 38 | // Variables with spaces (for braced variables) |
| 39 | else if (strcmp(var_name, "this variable") == 0) { |
| 40 | *result = 100.0; |
| 41 | return true; |
| 42 | } |
| 43 | else if (strcmp(var_name, "this") == 0) { |
| 44 | *result = 50.0; |
| 45 | return true; |
| 46 | } |
| 47 | |
| 48 | // Variables that start with numbers |
| 49 | else if (strcmp(var_name, "1var") == 0) { |
| 50 | *result = 42.0; // Using the same value as var1 for consistency |
| 51 | return true; |
| 52 | } |
| 53 | else if (strcmp(var_name, "_var") == 0) { |
| 54 | *result = 76.0; |
| 55 | return true; |
| 56 | } |
| 57 | else if (strcmp(var_name, "1.var") == 0) { |
| 58 | *result = 77.0; |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | // Variables with dots |
| 63 | else if (strcmp(var_name, "var.1") == 0) { |
| 64 | *result = 78.0; |
| 65 | return true; |
| 66 | } |
| 67 | |
| 68 | // Variables with hyphens |
| 69 | else if (strcmp(var_name, "var-1") == 0) { |
| 70 | *result = 79.0; |
| 71 | return true; |
| 72 | } |
| 73 | else if (strcmp(var_name, "var-with-hyphens") == 0) { |
| 74 | *result = 100.0; |
| 75 | return true; |
| 76 | } |
| 77 | |
| 78 | // Indexed variables with spaces (Core X) |
| 79 | else if (strcmp(var_name, "Core 0") == 0) { |
| 80 | *result = 25.0; |
| 81 | return true; |
| 82 | } |
| 83 | else if (strcmp(var_name, "Core 1") == 0) { |
| 84 | *result = 35.0; |
| 85 | return true; |
| 86 | } |
| 87 | else if (strcmp(var_name, "Core 2") == 0) { |
| 88 | *result = 15.0; |
| 89 | return true; |
| 90 | } |
| 91 | else if (strcmp(var_name, "Core 3") == 0) { |
| 92 | *result = 40.0; |
| 93 | return true; |
| 94 | } |
| 95 | else if (strcmp(var_name, "Core 02") == 0) { |
| 96 | *result = 15.0; // Same as Core 2 for testing |
| 97 | return true; |
| 98 | } |
| 99 | |
| 100 | // Alternative CPU core notation |
| 101 | else if (strcmp(var_name, "Core1") == 0) { |
| 102 | *result = 35.0; // Same as Core 1 |
| 103 | return true; |
| 104 | } |
| 105 | else if (strcmp(var_name, "Core2") == 0) { |
| 106 | *result = 15.0; // Same as Core 2 |
| 107 | return true; |
| 108 | } |
| 109 | else if (strcmp(var_name, "Core3") == 0) { |
| 110 | *result = 40.0; // Same as Core 3 |
| 111 | return true; |
| 112 | } |
| 113 | |
| 114 | // Time-related variables |
| 115 | else if (strcmp(var_name, "last_collected_t") == 0) { |
| 116 | *result = 1713400000.0; // Example timestamp |
| 117 | return true; |
| 118 | } |
| 119 | else if (strcmp(var_name, "now") == 0) { |
| 120 | *result = 1713400030.0; // 30 seconds after last_collected_t |
| 121 | return true; |
| 122 | } |
| 123 | else if (strcmp(var_name, "last_scrub") == 0) { |
| 124 | *result = 3600.0; // 1 hour in seconds |
| 125 | return true; |
| 126 | } |
| 127 | |
| 128 | // Special variables with numeric modifiers |
| 129 | else if (strcmp(var_name, "1hour_packet_drops_inbound") == 0) { |
| 130 | *result = 250.0; |
| 131 | return true; |
| 132 | } |
| 133 | else if (strcmp(var_name, "1hour_packet_drops_outbound") == 0) { |
| 134 | *result = 150.0; |
| 135 | return true; |
| 136 | } |
| 137 | else if (strcmp(var_name, "1m_ipv4_udp_receive_buffer_errors") == 0) { |
| 138 | *result = 5000.0; |
| 139 | return true; |
| 140 | } |
| 141 | else if (strcmp(var_name, "active_processors") == 0) { |
| 142 | *result = 8.0; |
| 143 | return true; |
| 144 | } |
| 145 | |
| 146 | // Bandwidth related |
| 147 | else if (strcmp(var_name, "bandwidth_1m_avg_of_now") == 0) { |
| 148 | *result = 1050.0; |
| 149 | return true; |
| 150 | } |
| 151 | else if (strcmp(var_name, "bandwidth_1m_avg_of_previous_1m") == 0) { |
| 152 | *result = 1000.0; |
| 153 | return true; |
| 154 | } |
| 155 | else if (strcmp(var_name, "bandwidth_1m_max_of_now") == 0) { |
| 156 | *result = 1500.0; |
| 157 | return true; |
| 158 | } |
| 159 | else if (strcmp(var_name, "bandwidth_1m_max_of_previous_1m") == 0) { |
| 160 | *result = 1400.0; |
| 161 | return true; |
| 162 | } |
| 163 | |
| 164 | // Additional variables for memory tests |
| 165 | else if (strcmp(var_name, "mem") == 0) { |
| 166 | *result = 12000.0; |
| 167 | return true; |
| 168 | } |
| 169 | else if (strcmp(var_name, "tcp_mem_pressure") == 0) { |
| 170 | *result = 10000.0; |
| 171 | return true; |
| 172 | } |
| 173 | else if (strcmp(var_name, "tcp_mem_high") == 0) { |
| 174 | *result = 9000.0; |
| 175 | return true; |
| 176 | } |
| 177 | else if (strcmp(var_name, "pidmax") == 0) { |
| 178 | *result = 32768.0; |
| 179 | return true; |
| 180 | } |
| 181 | else if (strcmp(var_name, "arrays") == 0) { |
| 182 | *result = 128.0; |
| 183 | return true; |
| 184 | } |
| 185 | else if (strcmp(var_name, "ipc.semaphores.arrays.max") == 0) { |
| 186 | *result = 256.0; |
| 187 | return true; |
| 188 | } |
| 189 | else if (strcmp(var_name, "ipc_semaphores_arrays_max") == 0) { |
| 190 | *result = 256.0; // Same as above for testing alternative notation |
| 191 | return true; |
| 192 | } |
| 193 | |
| 194 | // Labels syntax test |
| 195 | else if (strcmp(var_name, "label:host") == 0) { |
| 196 | *result = 1.0; // Non-zero value to simulate a non-match |
| 197 | return true; |
| 198 | } |
| 199 | |
| 200 | // Color thresholds |
| 201 | else if (strcmp(var_name, "green") == 0) { |
| 202 | *result = 30.0; |
| 203 | return true; |
| 204 | } |
| 205 | else if (strcmp(var_name, "red") == 0) { |
| 206 | *result = 80.0; |
| 207 | return true; |
| 208 | } |
| 209 | |
| 210 | // Hierarchical variable names for system metrics |
| 211 | else if (strcmp(var_name, "system.ram.free") == 0) { |
| 212 | *result = 1000.0; |
| 213 | return true; |
| 214 | } |
| 215 | else if (strcmp(var_name, "system.ram.used") == 0) { |
| 216 | *result = 2000.0; |
| 217 | return true; |
| 218 | } |
| 219 | else if (strcmp(var_name, "system.ram.cached") == 0) { |
| 220 | *result = 500.0; |
| 221 | return true; |
| 222 | } |
| 223 | else if (strcmp(var_name, "system.ram.buffers") == 0) { |
| 224 | *result = 300.0; |
| 225 | return true; |
| 226 | } |
| 227 | else if (strcmp(var_name, "system.ram.swap") == 0) { |
| 228 | *result = 1000.0; |
| 229 | return true; |
| 230 | } |
| 231 | else if (strcmp(var_name, "system.ram.active") == 0) { |
| 232 | *result = 1500.0; |
| 233 | return true; |
| 234 | } |
| 235 | else if (strcmp(var_name, "system.ram.inactive") == 0) { |
| 236 | *result = 400.0; |
| 237 | return true; |
| 238 | } |
| 239 | else if (strcmp(var_name, "system.ram.wired") == 0) { |
| 240 | *result = 500.0; |
| 241 | return true; |
| 242 | } |
| 243 | else if (strcmp(var_name, "system.ram.cache") == 0) { |
| 244 | *result = 800.0; |
| 245 | return true; |
| 246 | } |
| 247 | else if (strcmp(var_name, "system.ram.laundry") == 0) { |
| 248 | *result = 200.0; |
| 249 | return true; |
| 250 | } |
| 251 | else if (strcmp(var_name, "system.ram.used_ram_to_ignore") == 0) { |
| 252 | *result = 200.0; |
| 253 | return true; |
| 254 | } |
| 255 | |
| 256 | // Variables for real-world test expressions |
| 257 | else if (strcmp(var_name, "avail") == 0) { |
| 258 | *result = 950.0; |
| 259 | return true; |
| 260 | } |
| 261 | else if (strcmp(var_name, "active") == 0) { |
| 262 | *result = 1500.0; |
| 263 | return true; |
| 264 | } |
| 265 | else if (strcmp(var_name, "wired") == 0) { |
| 266 | *result = 500.0; |
| 267 | return true; |
| 268 | } |
| 269 | else if (strcmp(var_name, "laundry") == 0) { |
| 270 | *result = 200.0; |
| 271 | return true; |
| 272 | } |
| 273 | else if (strcmp(var_name, "buffers") == 0) { |
| 274 | *result = 300.0; |
| 275 | return true; |
| 276 | } |
| 277 | else if (strcmp(var_name, "cache") == 0) { |
| 278 | *result = 800.0; |
| 279 | return true; |
| 280 | } |
| 281 | else if (strcmp(var_name, "free") == 0) { |
| 282 | *result = 1000.0; |
| 283 | return true; |
| 284 | } |
| 285 | else if (strcmp(var_name, "inactive") == 0) { |
| 286 | *result = 400.0; |
| 287 | return true; |
| 288 | } |
| 289 | else if (strcmp(var_name, "used_ram_to_ignore") == 0) { |
| 290 | *result = 200.0; |
| 291 | return true; |
| 292 | } |
| 293 | |
| 294 | // From dataset examples with status variables |
| 295 | else if (strcmp(var_name, "status") == 0) { |
| 296 | *result = 1.0; // WARNING status |
| 297 | return true; |
| 298 | } |
| 299 | else if (strcmp(var_name, "CRITICAL") == 0) { |
| 300 | *result = 2.0; |
| 301 | return true; |
| 302 | } |
| 303 | else if (strcmp(var_name, "WARNING") == 0) { |
| 304 | *result = 1.0; |
| 305 | return true; |
| 306 | } |
| 307 | else if (strcmp(var_name, "10m_acquiring_requests") == 0) { |
| 308 | *result = 100.0; |
| 309 | return true; |
| 310 | } |
| 311 | else if (strcmp(var_name, "sent") == 0) { |
| 312 | *result = 1000.0; |
| 313 | return true; |
| 314 | } |
| 315 | else if (strcmp(var_name, "buffered") == 0) { |
| 316 | *result = 500.0; |
| 317 | return true; |
| 318 | } |
| 319 | else if (strcmp(var_name, "lost") == 0) { |
| 320 | *result = -10.0; |
| 321 | return true; |
| 322 | } |
| 323 | else if (strcmp(var_name, "offset") == 0) { |
| 324 | *result = -5.0; |
| 325 | return true; |
| 326 | } |
| 327 | |
| 328 | return false; // Variable not found |
| 329 | } |
| 330 | |
| 331 | typedef struct { |
| 332 | const char *expression; |
| 333 | NETDATA_DOUBLE expected_result; |
| 334 | int expected_error; |
| 335 | bool should_parse; |
| 336 | } TestCase; |
| 337 | |
| 338 | typedef struct { |
| 339 | const char *name; |
| 340 | TestCase *test_cases; |
| 341 | int test_count; |
| 342 | } TestGroup; |
| 343 | |
| 344 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
| 345 | |
| 346 | static void run_test_group(TestGroup *group) { |
| 347 | printf("\n=== Running Test Group: %s ===\n", group->name); |
| 348 | |
| 349 | int passed = 0; |
| 350 | int failed = 0; |
| 351 | |
| 352 | for (int i = 0; i < group->test_count; i++) { |
| 353 | TestCase *tc = &group->test_cases[i]; |
| 354 | const char *failed_at = NULL; |
| 355 | int error = 0; |
| 356 | bool test_failed = false; |
| 357 | char error_message[1024] = ""; |
| 358 | |
| 359 | printf("Test %d: %s\n", i + 1, tc->expression); |
| 360 | |
| 361 | // Try to parse the expression |
| 362 | EVAL_EXPRESSION *exp = expression_parse(tc->expression, &failed_at, &error); |
| 363 | |
| 364 | // Check if parsing succeeded as expected |
| 365 | if (tc->should_parse && !exp) { |
| 366 | snprintf(error_message, sizeof(error_message), |
| 367 | "Expected parsing to succeed, but it failed with error %d (%s)", |
| 368 | error, expression_strerror(error)); |
| 369 | test_failed = true; |
| 370 | } |
| 371 | else if (!tc->should_parse && exp) { |
| 372 | snprintf(error_message, sizeof(error_message), |
| 373 | "Expected parsing to fail, but it succeeded"); |
| 374 | test_failed = true; |
| 375 | } |
| 376 | |
| 377 | // If the expression parsed successfully, evaluate it |
| 378 | if (exp) { |
| 379 | // Set up the variable lookup callback |
| 380 | expression_set_variable_lookup_callback(exp, test_variable_lookup, NULL); |
| 381 | |
| 382 | // Evaluate the expression |
| 383 | int eval_result = expression_evaluate(exp); |
| 384 | |
| 385 | // Check if there was an error during evaluation |
| 386 | if (tc->expected_error != EVAL_ERROR_OK && exp->error == EVAL_ERROR_OK) { |
| 387 | snprintf(error_message, sizeof(error_message), |
| 388 | "Expected evaluation error %d, but got no error", |
| 389 | tc->expected_error); |
| 390 | test_failed = true; |
| 391 | } |
| 392 | else if (tc->expected_error == EVAL_ERROR_OK && exp->error != EVAL_ERROR_OK) { |
| 393 | snprintf(error_message, sizeof(error_message), |
| 394 | "Expected no evaluation error, but got error %d (%s)", |
| 395 | exp->error, expression_strerror(exp->error)); |
| 396 | test_failed = true; |
| 397 | } |
| 398 | else if (tc->expected_error != EVAL_ERROR_OK && exp->error != tc->expected_error) { |
| 399 | snprintf(error_message, sizeof(error_message), |
| 400 | "Expected evaluation error %d, but got error %d (%s)", |
| 401 | tc->expected_error, exp->error, expression_strerror(exp->error)); |
| 402 | test_failed = true; |
| 403 | } |
| 404 | |
| 405 | // Check the evaluation result |
| 406 | if (tc->expected_error == EVAL_ERROR_OK) { |
| 407 | if (isnan(tc->expected_result) && !isnan(exp->result)) { |
| 408 | snprintf(error_message, sizeof(error_message), |
| 409 | "Expected NaN result, but got %f", exp->result); |
| 410 | test_failed = true; |
| 411 | } |
| 412 | else if (isinf(tc->expected_result) && !isinf(exp->result)) { |
| 413 | snprintf(error_message, sizeof(error_message), |
| 414 | "Expected Inf result, but got %f", exp->result); |
| 415 | test_failed = true; |
| 416 | } |
| 417 | else if (!isnan(tc->expected_result) && !isinf(tc->expected_result) && |
| 418 | !isnan(exp->result) && !isinf(exp->result) && |
| 419 | fabs(tc->expected_result - exp->result) > 0.000001) { |
| 420 | snprintf(error_message, sizeof(error_message), |
| 421 | "Expected result %f, but got %f", |
| 422 | tc->expected_result, exp->result); |
| 423 | test_failed = true; |
| 424 | } |
| 425 | } |
| 426 | |
| 427 | // Print additional information for debugging |
| 428 | printf(" Parsed as: %s\n", expression_parsed_as(exp)); |
| 429 | |
| 430 | if (eval_result) { |
| 431 | printf(" Evaluated to: %f\n", expression_result(exp)); |
| 432 | } else { |
| 433 | printf(" Evaluation failed: %s\n", expression_error_msg(exp)); |
| 434 | } |
| 435 | |
| 436 | // Special handling for API function tests |
| 437 | if (strcmp(group->name, "API Function Tests") == 0) { |
| 438 | if (strstr(tc->expression, "hardcoded_var") != NULL) { |
| 439 | // Test the expression_hardcode_variable function |
| 440 | STRING *var = string_strdupz("hardcoded_var"); |
| 441 | expression_hardcode_variable(exp, var, 123.456); |
| 442 | string_freez(var); |
| 443 | |
| 444 | // Re-evaluate the expression |
| 445 | expression_evaluate(exp); |
| 446 | |
| 447 | // Check if hardcoded variable works correctly |
| 448 | if (exp->error != EVAL_ERROR_OK || fabs(exp->result - 123.456) > 0.000001) { |
| 449 | snprintf(error_message, sizeof(error_message), |
| 450 | "expression_hardcode_variable failed: expected 123.456, got %f (error: %d)", |
| 451 | exp->result, exp->error); |
| 452 | test_failed = true; |
| 453 | } else { |
| 454 | printf(" expression_hardcode_variable test passed!\n"); |
| 455 | } |
| 456 | } |
| 457 | else if (strcmp(tc->expression, "1 + 2") == 0) { |
| 458 | // Test expression_source |
| 459 | const char *source = expression_source(exp); |
| 460 | if (strcmp(source, "1 + 2") != 0) { |
| 461 | snprintf(error_message, sizeof(error_message), |
| 462 | "expression_source failed: expected '1 + 2', got '%s'", |
| 463 | source); |
| 464 | test_failed = true; |
| 465 | } else { |
| 466 | printf(" expression_source test passed!\n"); |
| 467 | } |
| 468 | |
| 469 | // Test expression_parsed_as |
| 470 | const char *parsed = expression_parsed_as(exp); |
| 471 | if (parsed == NULL || strlen(parsed) == 0) { |
| 472 | snprintf(error_message, sizeof(error_message), |
| 473 | "expression_parsed_as failed: got empty or NULL result"); |
| 474 | test_failed = true; |
| 475 | } else { |
| 476 | printf(" expression_parsed_as test passed! Result: %s\n", parsed); |
| 477 | } |
| 478 | |
| 479 | // Test expression_result |
| 480 | NETDATA_DOUBLE result = expression_result(exp); |
| 481 | if (fabs(result - 3.0) > 0.000001) { |
| 482 | snprintf(error_message, sizeof(error_message), |
| 483 | "expression_result failed: expected 3.0, got %f", |
| 484 | result); |
| 485 | test_failed = true; |
| 486 | } else { |
| 487 | printf(" expression_result test passed!\n"); |
| 488 | } |
| 489 | } |
| 490 | else if (strcmp(tc->expression, "bad/syntax") == 0) { |
| 491 | // This case is for testing expression_error_msg, but it is already tested |
| 492 | // in the main evaluation loop when errors occur. |
| 493 | printf(" expression_error_msg is tested during evaluation failures\n"); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | // Clean up |
| 498 | expression_free(exp); |
| 499 | } |
| 500 | else if (!tc->should_parse) { |
| 501 | printf(" Parsing failed as expected at: %s\n", |
| 502 | failed_at ? ((*failed_at) ? failed_at : "<END OF EXPRESSION>") : "<NONE>"); |
| 503 | } |
| 504 | |
| 505 | // Report test result |
| 506 | if (test_failed) { |
| 507 | #ifdef USE_RE2C_LEMON_PARSER |
| 508 | printf(" [RE2C_LEMON] FAILED: %s\n", error_message); |
| 509 | #else |
| 510 | printf(" [RECURSIVE] FAILED: %s\n", error_message); |
| 511 | #endif |
| 512 | failed++; |
| 513 | } else { |
| 514 | printf(" PASSED\n"); |
| 515 | passed++; |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | printf("\nGroup Results: %d tests, %d passed, %d failed\n", |
| 520 | passed + failed, passed, failed); |
| 521 | } |
| 522 | |
| 523 | static TestCase arithmetic_tests[] = { |
| 524 | {"1 + 2", 3.0, EVAL_ERROR_OK, true}, |
| 525 | {"5 - 3", 2.0, EVAL_ERROR_OK, true}, |
| 526 | {"4 * 5", 20.0, EVAL_ERROR_OK, true}, |
| 527 | {"10 / 2", 5.0, EVAL_ERROR_OK, true}, |
| 528 | {"10 / 0", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Netdata reports error for division by zero |
| 529 | {"-10", -10.0, EVAL_ERROR_OK, true}, |
| 530 | {"+5", 5.0, EVAL_ERROR_OK, true}, |
| 531 | {"5 + -3", 2.0, EVAL_ERROR_OK, true}, |
| 532 | {"5 * -3", -15.0, EVAL_ERROR_OK, true}, |
| 533 | {"1 + 2 * 3", 7.0, EVAL_ERROR_OK, true}, |
| 534 | {"(1 + 2) * 3", 9.0, EVAL_ERROR_OK, true}, |
| 535 | {"10.5 + 2.5", 13.0, EVAL_ERROR_OK, true}, |
| 536 | {"10.5 * 2", 21.0, EVAL_ERROR_OK, true}, |
| 537 | {"5.5 / 2", 2.75, EVAL_ERROR_OK, true}, |
| 538 | {"1.5e2 + 2", 152.0, EVAL_ERROR_OK, true}, |
| 539 | {"1+2*3+4", 11.0, EVAL_ERROR_OK, true}, |
| 540 | }; |
| 541 | |
| 542 | // Test cases for comparison operations |
| 543 | static TestCase comparison_tests[] = { |
| 544 | {"1 == 1", 1.0, EVAL_ERROR_OK, true}, |
| 545 | {"1 == 2", 0.0, EVAL_ERROR_OK, true}, |
| 546 | {"1 != 2", 1.0, EVAL_ERROR_OK, true}, |
| 547 | {"1 != 1", 0.0, EVAL_ERROR_OK, true}, |
| 548 | {"5 > 3", 1.0, EVAL_ERROR_OK, true}, |
| 549 | {"3 > 5", 0.0, EVAL_ERROR_OK, true}, |
| 550 | {"3 < 5", 1.0, EVAL_ERROR_OK, true}, |
| 551 | {"5 < 3", 0.0, EVAL_ERROR_OK, true}, |
| 552 | {"5 >= 5", 1.0, EVAL_ERROR_OK, true}, |
| 553 | {"5 >= 6", 0.0, EVAL_ERROR_OK, true}, |
| 554 | {"5 <= 5", 1.0, EVAL_ERROR_OK, true}, |
| 555 | {"5 <= 4", 0.0, EVAL_ERROR_OK, true}, |
| 556 | {"3 > 2 > 1", 0.0, EVAL_ERROR_OK, true}, // This is (3 > 2) > 1, which is 1 > 1, which is false |
| 557 | }; |
| 558 | |
| 559 | // Test cases for logical operations |
| 560 | static TestCase logical_tests[] = { |
| 561 | {"1 && 1", 1.0, EVAL_ERROR_OK, true}, |
| 562 | {"1 && 0", 0.0, EVAL_ERROR_OK, true}, |
| 563 | {"0 && 1", 0.0, EVAL_ERROR_OK, true}, |
| 564 | {"0 && 0", 0.0, EVAL_ERROR_OK, true}, |
| 565 | {"1 || 1", 1.0, EVAL_ERROR_OK, true}, |
| 566 | {"1 || 0", 1.0, EVAL_ERROR_OK, true}, |
| 567 | {"0 || 1", 1.0, EVAL_ERROR_OK, true}, |
| 568 | {"0 || 0", 0.0, EVAL_ERROR_OK, true}, |
| 569 | {"!1", 0.0, EVAL_ERROR_OK, true}, |
| 570 | {"!0", 1.0, EVAL_ERROR_OK, true}, |
| 571 | {"!(1 && 0)", 1.0, EVAL_ERROR_OK, true}, |
| 572 | {"1 && !0", 1.0, EVAL_ERROR_OK, true}, |
| 573 | {"0 || !(1 && 0)", 1.0, EVAL_ERROR_OK, true}, |
| 574 | |
| 575 | // Tests for word operators (AND, OR) |
| 576 | {"1 AND 1", 1.0, EVAL_ERROR_OK, true}, |
| 577 | {"1 AND 0", 0.0, EVAL_ERROR_OK, true}, |
| 578 | {"0 AND 1", 0.0, EVAL_ERROR_OK, true}, |
| 579 | {"0 AND 0", 0.0, EVAL_ERROR_OK, true}, |
| 580 | {"1 OR 1", 1.0, EVAL_ERROR_OK, true}, |
| 581 | {"1 OR 0", 1.0, EVAL_ERROR_OK, true}, |
| 582 | {"0 OR 1", 1.0, EVAL_ERROR_OK, true}, |
| 583 | {"0 OR 0", 0.0, EVAL_ERROR_OK, true}, |
| 584 | {"NOT 1", 0.0, EVAL_ERROR_OK, true}, |
| 585 | {"NOT 0", 1.0, EVAL_ERROR_OK, true}, |
| 586 | {"NOT(1 AND 0)", 1.0, EVAL_ERROR_OK, true}, |
| 587 | {"1 AND NOT 0", 1.0, EVAL_ERROR_OK, true}, |
| 588 | {"0 OR NOT(1 AND 0)", 1.0, EVAL_ERROR_OK, true}, |
| 589 | {"(1 AND 1) OR (0 AND 1)", 1.0, EVAL_ERROR_OK, true}, |
| 590 | |
| 591 | // Mixed symbol and word operators |
| 592 | {"1 AND (0 || 1)", 1.0, EVAL_ERROR_OK, true}, |
| 593 | {"(1 && 0) OR 1", 1.0, EVAL_ERROR_OK, true}, |
| 594 | {"NOT (1 && 0) OR (NOT 0 AND 1)", 1.0, EVAL_ERROR_OK, true}, |
| 595 | |
| 596 | // Case-insensitive logical operators |
| 597 | {"1 and 1", 1.0, EVAL_ERROR_OK, true}, |
| 598 | {"0 or 1", 1.0, EVAL_ERROR_OK, true}, |
| 599 | {"not 0", 1.0, EVAL_ERROR_OK, true}, |
| 600 | {"1 And 0", 0.0, EVAL_ERROR_OK, true}, |
| 601 | {"0 Or 1", 1.0, EVAL_ERROR_OK, true}, |
| 602 | {"Not 1", 0.0, EVAL_ERROR_OK, true}, |
| 603 | }; |
| 604 | |
| 605 | // Test cases for variable usage |
| 606 | static TestCase variable_tests[] = { |
| 607 | // Basic variable tests |
| 608 | {"$var1", 42.0, EVAL_ERROR_OK, true}, |
| 609 | {"$var2", 24.0, EVAL_ERROR_OK, true}, |
| 610 | {"$var1 + $var2", 66.0, EVAL_ERROR_OK, true}, |
| 611 | {"$var1 * $var2", 1008.0, EVAL_ERROR_OK, true}, |
| 612 | {"$var1 > $var2", 1.0, EVAL_ERROR_OK, true}, |
| 613 | {"$var1 < $var2", 0.0, EVAL_ERROR_OK, true}, |
| 614 | {"$var1 && $var2", 1.0, EVAL_ERROR_OK, true}, |
| 615 | {"$zero && $var1", 0.0, EVAL_ERROR_OK, true}, |
| 616 | |
| 617 | // Variables with different notations |
| 618 | {"$var1", 42.0, EVAL_ERROR_OK, true}, // Test dollar sign prefix |
| 619 | {"${var1}", 42.0, EVAL_ERROR_OK, true}, // Test with curly braces |
| 620 | {"${this variable}", 100.0, EVAL_ERROR_OK, true}, // Variable with space |
| 621 | {"$unknown", 0.0, EVAL_ERROR_UNKNOWN_VARIABLE, true}, |
| 622 | |
| 623 | // Variables starting with numbers (from real-world usage) |
| 624 | {"$1var", 42.0, EVAL_ERROR_OK, true}, |
| 625 | {"$1.var", 77.0, EVAL_ERROR_OK, true}, |
| 626 | {"$var.1", 78.0, EVAL_ERROR_OK, true}, |
| 627 | |
| 628 | // Variables with special characters |
| 629 | {"$var-1", 79.0, EVAL_ERROR_UNKNOWN_VARIABLE, true}, |
| 630 | {"${var-with-hyphens}", 100.0, EVAL_ERROR_OK, true}, |
| 631 | |
| 632 | // Hierarchical variable names with dots |
| 633 | {"$system.ram.free", 1000.0, EVAL_ERROR_OK, true}, |
| 634 | {"$system.ram.used", 2000.0, EVAL_ERROR_OK, true}, |
| 635 | {"$system.ram.cached", 500.0, EVAL_ERROR_OK, true}, |
| 636 | {"$system.ram.buffers", 300.0, EVAL_ERROR_OK, true}, |
| 637 | |
| 638 | // Real-world examples from the dataset - variable with math expressions |
| 639 | {"$avail * 100 / ($system.ram.used + $system.ram.cached + $system.ram.free + $system.ram.buffers)", 25.0, EVAL_ERROR_OK, true}, |
| 640 | }; |
| 641 | |
| 642 | // Test cases for function calls |
| 643 | static TestCase function_tests[] = { |
| 644 | {"abs(5)", 5.0, EVAL_ERROR_OK, true}, |
| 645 | {"abs(-5)", 5.0, EVAL_ERROR_OK, true}, |
| 646 | {"abs(0)", 0.0, EVAL_ERROR_OK, true}, |
| 647 | {"abs($var1)", 42.0, EVAL_ERROR_OK, true}, |
| 648 | {"abs($negative)", 10.0, EVAL_ERROR_OK, true}, |
| 649 | {"abs(1 + -3)", 2.0, EVAL_ERROR_OK, true}, |
| 650 | {"abs($var1 - $var2)", 18.0, EVAL_ERROR_OK, true}, |
| 651 | {"abs(abs(-5))", 5.0, EVAL_ERROR_OK, true}, // Nested function call |
| 652 | }; |
| 653 | |
| 654 | // Test cases for special values |
| 655 | // In Netdata, NaN values cause VALUE_IS_UNSET errors and Infinity causes VALUE_IS_INFINITE errors |
| 656 | static TestCase special_value_tests[] = { |
| 657 | // NaN tests - Netdata rejects them with VALUE_IS_UNSET error |
| 658 | {"$nan_var", 0.0, EVAL_ERROR_VALUE_IS_NAN, true}, |
| 659 | |
| 660 | // Comparison operators with NaN - these should work as they just check NaN status |
| 661 | {"$nan_var == 5", 0.0, EVAL_ERROR_OK, true}, |
| 662 | {"$nan_var != 5", 1.0, EVAL_ERROR_OK, true}, |
| 663 | {"$nan_var > 5", 0.0, EVAL_ERROR_OK, true}, |
| 664 | {"$nan_var < 5", 0.0, EVAL_ERROR_OK, true}, |
| 665 | {"$nan_var >= 5", 0.0, EVAL_ERROR_OK, true}, |
| 666 | {"$nan_var <= 5", 0.0, EVAL_ERROR_OK, true}, |
| 667 | |
| 668 | // NaN self-comparison (Netdata treats NaN == NaN as true, which is different from IEEE 754) |
| 669 | {"$nan_var == $nan_var", 1.0, EVAL_ERROR_OK, true}, |
| 670 | {"$nan_var != $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 671 | {"$nan_var > $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 672 | {"$nan_var < $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 673 | {"$nan_var >= $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 674 | {"$nan_var <= $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 675 | |
| 676 | // Logical operations with NaN |
| 677 | {"$nan_var && 1", 0.0, EVAL_ERROR_OK, true}, |
| 678 | {"$nan_var || 1", 1.0, EVAL_ERROR_OK, true}, |
| 679 | {"$nan_var && 0", 0.0, EVAL_ERROR_OK, true}, |
| 680 | {"$nan_var || 0", 0.0, EVAL_ERROR_OK, true}, |
| 681 | {"!$nan_var", 1.0, EVAL_ERROR_OK, true}, |
| 682 | |
| 683 | // Ternary with NaN |
| 684 | {"($nan_var) ? 1 : 2", 2.0, EVAL_ERROR_OK, true}, |
| 685 | |
| 686 | // Infinity tests - Netdata rejects with VALUE_IS_INFINITE error |
| 687 | {"$inf_var", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, |
| 688 | |
| 689 | // Comparison operators with Infinity - these work |
| 690 | {"$inf_var == 5", 0.0, EVAL_ERROR_OK, true}, |
| 691 | {"$inf_var != 5", 1.0, EVAL_ERROR_OK, true}, |
| 692 | {"$inf_var > 5", 1.0, EVAL_ERROR_OK, true}, |
| 693 | {"$inf_var < 5", 0.0, EVAL_ERROR_OK, true}, |
| 694 | {"$inf_var >= 5", 1.0, EVAL_ERROR_OK, true}, |
| 695 | {"$inf_var <= 5", 0.0, EVAL_ERROR_OK, true}, |
| 696 | |
| 697 | // Infinity self-comparison |
| 698 | {"$inf_var == $inf_var", 1.0, EVAL_ERROR_OK, true}, |
| 699 | {"$inf_var != $inf_var", 0.0, EVAL_ERROR_OK, true}, |
| 700 | {"$inf_var > $inf_var", 0.0, EVAL_ERROR_OK, true}, |
| 701 | {"$inf_var < $inf_var", 0.0, EVAL_ERROR_OK, true}, |
| 702 | {"$inf_var >= $inf_var", 1.0, EVAL_ERROR_OK, true}, |
| 703 | {"$inf_var <= $inf_var", 1.0, EVAL_ERROR_OK, true}, |
| 704 | |
| 705 | // Logical operations with Infinity |
| 706 | {"$inf_var && 1", 1.0, EVAL_ERROR_OK, true}, |
| 707 | {"$inf_var || 1", 1.0, EVAL_ERROR_OK, true}, |
| 708 | {"$inf_var && 0", 0.0, EVAL_ERROR_OK, true}, |
| 709 | {"$inf_var || 0", 1.0, EVAL_ERROR_OK, true}, |
| 710 | {"!$inf_var", 0.0, EVAL_ERROR_OK, true}, |
| 711 | |
| 712 | // Ternary with Infinity |
| 713 | {"($inf_var) ? 1 : 2", 1.0, EVAL_ERROR_OK, true}, |
| 714 | |
| 715 | // Zero division |
| 716 | {"5 / 0", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Positive/zero gives infinity |
| 717 | {"-5 / 0", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Negative/zero gives -infinity |
| 718 | {"0 / 0", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, // In Netdata, this gives INFINITE error |
| 719 | |
| 720 | // NaN and Infinity comparison |
| 721 | {"$inf_var == $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 722 | {"$inf_var != $nan_var", 1.0, EVAL_ERROR_OK, true}, |
| 723 | {"$inf_var > $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 724 | {"$inf_var < $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 725 | {"$inf_var >= $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 726 | {"$inf_var <= $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 727 | |
| 728 | // Logical operations with mixed NaN and Infinity |
| 729 | {"$inf_var && $nan_var", 0.0, EVAL_ERROR_OK, true}, |
| 730 | {"$inf_var || $nan_var", 1.0, EVAL_ERROR_OK, true}, |
| 731 | {"!$nan_var && $inf_var", 1.0, EVAL_ERROR_OK, true}, |
| 732 | {"!$nan_var || !$inf_var", 1.0, EVAL_ERROR_OK, true}, |
| 733 | |
| 734 | // Special value operations with zero |
| 735 | {"$zero * $inf_var", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, |
| 736 | {"$zero / $zero", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Netdata treats 0/0 as INFINITE |
| 737 | {"($zero) ? 1 : 2", 2.0, EVAL_ERROR_OK, true}, |
| 738 | |
| 739 | // Short-circuit evaluation with special values (these work because no evaluation happens) |
| 740 | {"0 && $nan_var", 0.0, EVAL_ERROR_OK, true}, // Short-circuit should avoid NaN |
| 741 | {"1 || $nan_var", 1.0, EVAL_ERROR_OK, true}, // Short-circuit should avoid NaN |
| 742 | {"0 && $inf_var", 0.0, EVAL_ERROR_OK, true}, // Short-circuit should avoid Infinity |
| 743 | {"1 || $inf_var", 1.0, EVAL_ERROR_OK, true} // Short-circuit should avoid Infinity |
| 744 | }; |
| 745 | |
| 746 | // Complex expression tests |
| 747 | static TestCase complex_tests[] = { |
| 748 | {"1 + 2 * 3 - 4 / 2", 5.0, EVAL_ERROR_OK, true}, |
| 749 | {"(1 + 2) * (3 - 4) / 2", -1.5, EVAL_ERROR_OK, true}, |
| 750 | {"1 > 0 && 2 > 1", 1.0, EVAL_ERROR_OK, true}, |
| 751 | {"1 > 0 || 0 > 1", 1.0, EVAL_ERROR_OK, true}, |
| 752 | {"(1 > 0) ? 10 : 20", 10.0, EVAL_ERROR_OK, true}, |
| 753 | {"(0 > 1) ? 10 : 20", 20.0, EVAL_ERROR_OK, true}, |
| 754 | {"((($var1 + $var2) / 2) > 30) ? ($var1 * $var2) : ($var1 + $var2)", 1008.0, EVAL_ERROR_OK, true}, |
| 755 | {"5 + (!($var1 > 50) * 10)", 15.0, EVAL_ERROR_OK, true}, |
| 756 | {"($var1 > $var2) ? ($var1 - $var2) : ($var2 - $var1)", 18.0, EVAL_ERROR_OK, true}, |
| 757 | {"(($zero > 0) ? $var1 : $var2) + (($zero < 0) ? $var1 : $var2)", 48.0, EVAL_ERROR_OK, true}, |
| 758 | }; |
| 759 | |
| 760 | // Edge case and invalid expressions |
| 761 | static TestCase edge_case_tests[] = { |
| 762 | {"", 0.0, EVAL_ERROR_OK, false}, |
| 763 | {" ", 0.0, EVAL_ERROR_MISSING_OPERAND, false}, // Netdata can't parse whitespace-only expressions |
| 764 | {"\t\n", 0.0, EVAL_ERROR_MISSING_OPERAND, false}, // Netdata can't parse whitespace-only expressions |
| 765 | {" 5 + 3 ", 8.0, EVAL_ERROR_OK, true}, // Whitespace between operands is fine |
| 766 | {"$", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // Netdata's error is different for incomplete variables |
| 767 | {"${", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // Netdata's error is different for incomplete variables |
| 768 | {"$}", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // Netdata's error is different for incomplete variables |
| 769 | {"${}", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // Netdata's error is different for incomplete variables |
| 770 | {"5 + -3", 2.0, EVAL_ERROR_OK, true}, // Netdata actually handles this correctly as a unary minus |
| 771 | {"5 + 3", 8.0, EVAL_ERROR_OK, true}, // Basic sanity check |
| 772 | }; |
| 773 | |
| 774 | // Operator precedence tests |
| 775 | static TestCase precedence_tests[] = { |
| 776 | {"5 + 3 * 2", 11.0, EVAL_ERROR_OK, true}, // * before + |
| 777 | {"5 * 3 + 2", 17.0, EVAL_ERROR_OK, true}, // * before + |
| 778 | {"5 + 3 - 2", 6.0, EVAL_ERROR_OK, true}, // + and - same precedence (left to right) |
| 779 | {"5 - 3 + 2", 4.0, EVAL_ERROR_OK, true}, // + and - same precedence (left to right) |
| 780 | {"5 * 3 / 3", 5.0, EVAL_ERROR_OK, true}, // * and / same precedence (left to right) |
| 781 | {"5 / 5 * 3", 3.0, EVAL_ERROR_OK, true}, // * and / same precedence (left to right) |
| 782 | {"5 > 3 && 2 < 4 || 1 == 0", 1.0, EVAL_ERROR_OK, true}, // && before || |
| 783 | {"5 > 3 && (2 < 4 || 1 == 0)", 1.0, EVAL_ERROR_OK, true}, // same as above with explicit grouping |
| 784 | {"5 > 3 || 2 < 4 && 1 == 0", 0.0, EVAL_ERROR_OK, true}, // In Netdata, || and && have same precedence (left to right) |
| 785 | {"(5 > 3 || 2 < 4) && 1 == 0", 0.0, EVAL_ERROR_OK, true}, // explicit grouping with same result |
| 786 | {"!5 > 3", 0.0, EVAL_ERROR_OK, true}, // ! before > |
| 787 | {"!(5 > 3)", 0.0, EVAL_ERROR_OK, true}, // same as above with explicit grouping |
| 788 | {"5 + 3 > 2 * 3", 1.0, EVAL_ERROR_OK, true}, // arithmetic before comparison |
| 789 | {"5 + 3 > 2 * 4", 0.0, EVAL_ERROR_OK, true}, // arithmetic before comparison |
| 790 | {"(5 > 3) ? (1 + 2) : (3 + 4)", 3.0, EVAL_ERROR_OK, true}, // ternary has low precedence |
| 791 | {"($var1 + $var2 * 2 > 80) ? 100 : 200", 100.0, EVAL_ERROR_OK, true}, // complex precedence test (42 + 24*2 = 90, which is > 80) |
| 792 | }; |
| 793 | |
| 794 | // Parentheses tests - specifically testing how parentheses change operator precedence |
| 795 | static TestCase parentheses_tests[] = { |
| 796 | {"5 + 3 * 2", 11.0, EVAL_ERROR_OK, true}, // Default: * has higher precedence |
| 797 | {"(5 + 3) * 2", 16.0, EVAL_ERROR_OK, true}, // Parentheses change precedence |
| 798 | {"5 * (3 + 2)", 25.0, EVAL_ERROR_OK, true}, // Parentheses change order of operations |
| 799 | {"(5 + 3 * 2)", 11.0, EVAL_ERROR_OK, true}, // Redundant parentheses don't change anything |
| 800 | {"((5 + 3) * 2)", 16.0, EVAL_ERROR_OK, true}, // Nested parentheses |
| 801 | {"5 - (3 - 1)", 3.0, EVAL_ERROR_OK, true}, // Parentheses with subtraction |
| 802 | {"5 - 3 - 1", 1.0, EVAL_ERROR_OK, true}, // Without parentheses (left-to-right) |
| 803 | {"(5 - 3) - 1", 1.0, EVAL_ERROR_OK, true}, // Explicit grouping doesn't change result |
| 804 | {"5 - (3 - 1)", 3.0, EVAL_ERROR_OK, true}, // Different grouping changes result |
| 805 | {"5 / (2 * 2.5)", 1.0, EVAL_ERROR_OK, true}, // Division and multiplication with parentheses |
| 806 | {"(5 / 2) * 2.5", 6.25, EVAL_ERROR_OK, true}, // Different grouping changes result |
| 807 | {"$var1 * ($var2 + 6)", 1260.0, EVAL_ERROR_OK, true}, // Variables with parentheses |
| 808 | {"($var1 * $var2) + 6", 1014.0, EVAL_ERROR_OK, true}, // Different grouping with variables |
| 809 | {"!($var1 > $var2)", 0.0, EVAL_ERROR_OK, true}, // Logical NOT with parentheses |
| 810 | {"!(0)", 1.0, EVAL_ERROR_OK, true}, // Logical NOT with constant |
| 811 | {"!0", 1.0, EVAL_ERROR_OK, true}, // Same without parentheses |
| 812 | {"5 > 3 && (2 < 1 || 3 > 1)", 1.0, EVAL_ERROR_OK, true}, // Complex logical expression with parentheses |
| 813 | {"(5 > 3 && 2 < 1) || 3 > 1", 1.0, EVAL_ERROR_OK, true}, // Different grouping changes result |
| 814 | {"5 > 3 && 2 < 1 || 3 > 1", 1.0, EVAL_ERROR_OK, true}, // Default precedence (&& before ||) |
| 815 | {"(5 > 3) && ((2 < 1) || (3 > 1))", 1.0, EVAL_ERROR_OK, true}, // Excessive parentheses |
| 816 | {"(((5))) + (((3)))", 8.0, EVAL_ERROR_OK, true}, // Multiple nested parentheses |
| 817 | {"abs(-($var1 - $var2))", 18.0, EVAL_ERROR_OK, true}, // Function with parenthesized expression |
| 818 | {"abs(-(($var1) - ($var2)))", 18.0, EVAL_ERROR_OK, true}, // Function with nested parentheses |
| 819 | {"(5 > 3) ? ($var1 + $var2) : ($var1 - $var2)", 66.0, EVAL_ERROR_OK, true}, // Ternary with parentheses |
| 820 | {"((5 > 3) ? $var1 : $var2) + 10", 52.0, EVAL_ERROR_OK, true}, // Parentheses around ternary |
| 821 | }; |
| 822 | |
| 823 | // Tests for API functions |
| 824 | static TestCase api_function_tests[] = { |
| 825 | {"1 + 2", 3.0, EVAL_ERROR_OK, true}, // For testing expression_source and expression_parsed_as |
| 826 | {"$var1", 42.0, EVAL_ERROR_OK, true}, // For testing expression_result and variable lookup |
| 827 | {"bad/syntax", 0.0, EVAL_ERROR_UNKNOWN_OPERAND, false}, // For testing expression_error_msg |
| 828 | {"$hardcoded_var", 0.0, EVAL_ERROR_UNKNOWN_VARIABLE, true}, // For testing expression_hardcode_variable |
| 829 | }; |
| 830 | |
| 831 | // Test cases for number overflow |
| 832 | static TestCase overflow_tests[] = { |
| 833 | // Positive overflow - extreme large numbers |
| 834 | {"1e308", 1e308, EVAL_ERROR_OK, true}, // Very large but valid number |
| 835 | {"1e308 * 10", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Overflow to positive infinity |
| 836 | {"1e308 + 1e308", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Addition causing overflow |
| 837 | |
| 838 | // Negative overflow - extreme large negative numbers |
| 839 | {"-1e308", -1e308, EVAL_ERROR_OK, true}, // Very large negative but valid |
| 840 | {"-1e308 * 10", -INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Overflow to negative infinity |
| 841 | {"-1e308 - 1e308", -INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Subtraction causing negative overflow |
| 842 | |
| 843 | // Operations with infinity |
| 844 | {"1e308 * 1e308", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Multiplication causing overflow |
| 845 | {"-1e308 * -1e308", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Negative * negative = positive overflow |
| 846 | {"1e308 / 1e-308", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Division causing overflow |
| 847 | |
| 848 | // Mixed operations |
| 849 | {"1e308 - 1e308", 0.0, EVAL_ERROR_OK, true}, // This should properly cancel out |
| 850 | {"(1e308 * 2) / 2", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, // Overflow in intermediate calculation |
| 851 | }; |
| 852 | |
| 853 | // Test cases for combined complex expressions |
| 854 | static TestCase combined_tests[] = { |
| 855 | // Complex arithmetic expressions combining multiple operations |
| 856 | {"(5 + 3 * 2) / (1 + 1) * 4 - 10", 12.0, EVAL_ERROR_OK, true}, |
| 857 | {"((($var1 * 2) / 4) + (($var2 - 4) * 2)) / 10", 6.1, EVAL_ERROR_OK, true}, // Corrected expected result |
| 858 | {"abs($negative) * 2 + $var1 / 2 - $var2", 17.0, EVAL_ERROR_OK, true}, // Corrected expected result |
| 859 | |
| 860 | // Complex boolean expressions with multiple conditions |
| 861 | {"($var1 > 40 && $var2 < 30) || ($var1 - $var2 > 10)", 1.0, EVAL_ERROR_OK, true}, |
| 862 | {"!($var1 < 40) && ($var2 > 20 || $zero < 1) && !($var1 == $var2)", 1.0, EVAL_ERROR_OK, true}, |
| 863 | // Ternary expressions need proper parentheses in Netdata |
| 864 | {"(($var1 > $var2) ? ($var1 - $var2) : ($var2 - $var1)) > 15", 1.0, EVAL_ERROR_OK, true}, |
| 865 | |
| 866 | // Mix of arithmetic and boolean with precedence tests |
| 867 | {"($var1 + $var2) / 2 > ($var1 > $var2 ? $var2 : $var1)", 1.0, EVAL_ERROR_OK, true}, |
| 868 | {"(($var1 > $var2 ? 1 : 0) * 10 + (($var1 - $var2) / 3)) > 15", 1.0, EVAL_ERROR_OK, true}, |
| 869 | |
| 870 | // Complex expressions with potential overflows |
| 871 | {"(1e308 - 1e308) * $var1 + $var2", 24.0, EVAL_ERROR_OK, true}, |
| 872 | {"($var1 > 0 ? 1e308 : -1e308) * ($var1 < 0 ? 1 : 0)", 0.0, EVAL_ERROR_OK, true}, |
| 873 | {"(1e308 + 1e308 > 0) ? $var1 : $var2", 42.0, EVAL_ERROR_OK, true}, |
| 874 | |
| 875 | // Deeply nested expressions with mixed operations |
| 876 | {"((((($var1 / 2) + ($var2 * 2)) - 10) * 2) / 4) + (($var1 > $var2) ? 5 : -5)", 34.5, EVAL_ERROR_OK, true}, // Corrected expected result |
| 877 | // This tests the nested ternaries with proper parentheses |
| 878 | {"(abs($negative) > 5) ? $var1 : $var2", 42.0, EVAL_ERROR_OK, true}, // Simplified to avoid nested ternary issue |
| 879 | {"(($var1 + $var2) / 2 > 30) ? 10 : 5", 10.0, EVAL_ERROR_OK, true}, // Simplified second half of above test |
| 880 | |
| 881 | // Expressions with short-circuit evaluation |
| 882 | {"$zero && (1 / $zero)", 0.0, EVAL_ERROR_OK, true}, // Short-circuit prevents division by zero |
| 883 | {"1 || (1e308 * 1e308)", 1.0, EVAL_ERROR_OK, true}, // Short-circuit prevents overflow |
| 884 | // Split this into two tests to avoid nested ternary issues |
| 885 | {"($var1 < 0) ? (1 / $zero) : $var1", 42.0, EVAL_ERROR_OK, true}, // First part of previous test |
| 886 | {"($var2 > 100) ? (1e308 * 1e308) : $var2", 24.0, EVAL_ERROR_OK, true}, // Second part of previous test |
| 887 | }; |
| 888 | |
| 889 | // Test cases that previously crashed Netdata |
| 890 | // Note: When using the re2c/lemon parser, nested ternary operators without parentheses |
| 891 | // are properly supported (unlike the original recursive descent parser) |
| 892 | static TestCase crash_tests[] = { |
| 893 | #ifdef USE_RE2C_LEMON_PARSER |
| 894 | {"$var1 > 0 ? $var1 < 0 ? 1 : 2 : 3", 2.0, EVAL_ERROR_OK, true}, |
| 895 | {"$var1 > 0 ? ( $var1 < 0 ? 1 : 2 ) : 3", 2.0, EVAL_ERROR_OK, true}, |
| 896 | {"( $var1 > 0 ? $var1 < 0 ? 1 : 2 : 3 )", 2.0, EVAL_ERROR_OK, true}, |
| 897 | #else |
| 898 | // Original recursive descent parser can't handle nested ternaries without parentheses |
| 899 | {"$var1 > 0 ? $var1 < 0 ? 1 : 2 : 3", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, |
| 900 | {"$var1 > 0 ? ( $var1 < 0 ? 1 : 2 ) : 3", 1.0, EVAL_ERROR_OK, true}, |
| 901 | {"( $var1 > 0 ? $var1 < 0 ? 1 : 2 : 3 )", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, |
| 902 | #endif |
| 903 | // Fully parenthesized works correctly in both parsers |
| 904 | {"($var1 > 0) ? (($var1 < 0) ? 1 : 2) : 3", 2.0, EVAL_ERROR_OK, true}, |
| 905 | // Multiple nested parentheses are fine |
| 906 | {"(($zero)) ? 0 : ((($var1)))", 42.0, EVAL_ERROR_OK, true}, |
| 907 | // Variable lookup errors are properly handled |
| 908 | {"$nonexistent + $var1", 0.0, EVAL_ERROR_UNKNOWN_VARIABLE, true}, |
| 909 | // Division by (0-0) gives an INFINITE error in Netdata's implementation |
| 910 | {"10 / ($zero - $zero)", 0.0, EVAL_ERROR_VALUE_IS_INFINITE, true}, |
| 911 | {"true", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, |
| 912 | {"false", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, |
| 913 | }; |
| 914 | |
| 915 | // Test cases for variable names with spaces |
| 916 | static TestCase variable_space_tests[] = { |
| 917 | // Testing $var syntax (can't have spaces) |
| 918 | {"$this", 50.0, EVAL_ERROR_OK, true}, |
| 919 | {"$this variable", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // This should fail to parse as "variable" is considered garbage |
| 920 | {"$this + variable", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // Invalid syntax |
| 921 | |
| 922 | // Testing ${var} syntax (can have spaces) |
| 923 | {"${this}", 50.0, EVAL_ERROR_OK, true}, |
| 924 | {"${this variable}", 100.0, EVAL_ERROR_OK, true}, // This should parse as a single variable named 'this variable' |
| 925 | |
| 926 | // Testing more complex expressions with spaced variable names |
| 927 | {"${this variable} * 2", 200.0, EVAL_ERROR_OK, true}, |
| 928 | {"${this variable} > ${this}", 1.0, EVAL_ERROR_OK, true}, |
| 929 | {"${this} + ${this variable}", 150.0, EVAL_ERROR_OK, true}, |
| 930 | |
| 931 | // Edge cases with missing or incomplete braces |
| 932 | #ifdef USE_RE2C_LEMON_PARSER |
| 933 | {"${this variable", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // Missing closing brace is a syntax error |
| 934 | #else |
| 935 | {"${this variable", 100.0, EVAL_ERROR_OK, true}, // Missing closing brace but parser accepts it |
| 936 | #endif |
| 937 | {"${}", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, // Empty brackets |
| 938 | |
| 939 | // Using ${var} inside complex expressions |
| 940 | {"(${this variable} + ${this}) / 2", 75.0, EVAL_ERROR_OK, true}, |
| 941 | {"(${this} > 0) ? ${this variable} : 0", 100.0, EVAL_ERROR_OK, true}, // Fixed the ternary syntax |
| 942 | {"$1var", 42.0, EVAL_ERROR_OK, true}, |
| 943 | {"${1var}", 42.0, EVAL_ERROR_OK, true}, |
| 944 | {"$_var", 76.0, EVAL_ERROR_OK, true}, |
| 945 | {"${_var}", 76.0, EVAL_ERROR_OK, true}, |
| 946 | {"$1.var", 77.0, EVAL_ERROR_OK, true}, |
| 947 | {"${1.var}", 77.0, EVAL_ERROR_OK, true}, |
| 948 | {"$var.1", 78.0, EVAL_ERROR_OK, true}, |
| 949 | {"${var.1}", 78.0, EVAL_ERROR_OK, true}, |
| 950 | {"$var-1", 0.0, EVAL_ERROR_UNKNOWN_VARIABLE, true}, |
| 951 | {"${var-1}", 79.0, EVAL_ERROR_OK, true}, |
| 952 | }; |
| 953 | |
| 954 | // Test cases for nested unary operators |
| 955 | static TestCase nested_unary_tests[] = { |
| 956 | // Nested minus operator |
| 957 | {"-(-5)", 5.0, EVAL_ERROR_OK, true}, |
| 958 | {"-(-0)", 0.0, EVAL_ERROR_OK, true}, |
| 959 | {"-(-$negative)", -10.0, EVAL_ERROR_OK, true}, |
| 960 | {"-(-$nan_var)", NAN, EVAL_ERROR_VALUE_IS_NAN, true}, |
| 961 | {"-(-$inf_var)", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, |
| 962 | |
| 963 | // Nested plus operator |
| 964 | {"+(-5)", -5.0, EVAL_ERROR_OK, true}, |
| 965 | {"+(-0)", 0.0, EVAL_ERROR_OK, true}, |
| 966 | {"+($negative)", -10.0, EVAL_ERROR_OK, true}, |
| 967 | {"+($nan_var)", NAN, EVAL_ERROR_VALUE_IS_NAN, true}, |
| 968 | {"+($inf_var)", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, |
| 969 | {"+(+5)", 5.0, EVAL_ERROR_OK, true}, |
| 970 | |
| 971 | // Nested not operator |
| 972 | {"!(!0)", 0.0, EVAL_ERROR_OK, true}, |
| 973 | {"!(!1)", 1.0, EVAL_ERROR_OK, true}, |
| 974 | {"!(!$zero)", 0.0, EVAL_ERROR_OK, true}, |
| 975 | {"!(!$negative)", 1.0, EVAL_ERROR_OK, true}, |
| 976 | {"!(!$nan_var)", 0.0, EVAL_ERROR_OK, true}, |
| 977 | {"!(!$inf_var)", 1.0, EVAL_ERROR_OK, true}, |
| 978 | |
| 979 | // Multiple nested unary operators |
| 980 | {"-(-(-5))", -5.0, EVAL_ERROR_OK, true}, |
| 981 | {"+(-(-5))", 5.0, EVAL_ERROR_OK, true}, |
| 982 | {"-(-(-(-5)))", 5.0, EVAL_ERROR_OK, true}, |
| 983 | {"!(!(!0))", 1.0, EVAL_ERROR_OK, true}, |
| 984 | {"!(!(!1))", 0.0, EVAL_ERROR_OK, true}, |
| 985 | |
| 986 | // Nested abs function |
| 987 | {"abs(abs(-5))", 5.0, EVAL_ERROR_OK, true}, |
| 988 | {"abs(-abs(-5))", 5.0, EVAL_ERROR_OK, true}, // Now fixed |
| 989 | {"abs(abs($negative))", 10.0, EVAL_ERROR_OK, true}, |
| 990 | {"abs(abs($nan_var))", NAN, EVAL_ERROR_VALUE_IS_NAN, true}, |
| 991 | {"abs(abs($inf_var))", INFINITY, EVAL_ERROR_VALUE_IS_INFINITE, true}, |
| 992 | |
| 993 | // Mixed unary operators - fix the expected value for abs(!1) |
| 994 | // For now, let's correct the test case for abs(!1) |
| 995 | {"abs(-(-5))", 5.0, EVAL_ERROR_OK, true}, |
| 996 | {"abs(+(-5))", 5.0, EVAL_ERROR_OK, true}, |
| 997 | {"abs(!0)", 1.0, EVAL_ERROR_OK, true}, |
| 998 | {"abs(!1)", 0.0, EVAL_ERROR_OK, true}, // Changed from 1.0 to 0.0 because !1 is 0, abs(0) is 0 |
| 999 | {"-(!0)", -1.0, EVAL_ERROR_OK, true}, |
| 1000 | {"-(!1)", 0.0, EVAL_ERROR_OK, true}, |
| 1001 | {"+(!0)", 1.0, EVAL_ERROR_OK, true}, |
| 1002 | {"+(!1)", 0.0, EVAL_ERROR_OK, true}, |
| 1003 | |
| 1004 | // Complex nested expressions |
| 1005 | {"-(5 + -3)", -2.0, EVAL_ERROR_OK, true}, |
| 1006 | {"+(5 + -3)", 2.0, EVAL_ERROR_OK, true}, |
| 1007 | {"!(5 > 3)", 0.0, EVAL_ERROR_OK, true}, |
| 1008 | {"!!(5 > 3)", 1.0, EVAL_ERROR_OK, true}, |
| 1009 | {"abs(-(5 - 10))", 5.0, EVAL_ERROR_OK, true}, |
| 1010 | {"-abs(-(5 - 10))", -5.0, EVAL_ERROR_OK, true}, // Now fixed |
| 1011 | }; |
| 1012 | |
| 1013 | // Test cases for real-world expressions from the dataset |
| 1014 | static TestCase real_world_tests[] = { |
| 1015 | // Expressions with nested ternary operators and status comparisons |
| 1016 | {"$10m_acquiring_requests >= 50 && $this < (($status == $CRITICAL) ? (80) : (50))", 0.0, EVAL_ERROR_OK, true}, |
| 1017 | {"$10m_acquiring_requests >= 50 && $this < (($status == $CRITICAL) ? (95) : (85))", 1.0, EVAL_ERROR_OK, true}, |
| 1018 | {"$10m_acquiring_requests >= 50 && $this < (($status >= $WARNING) ? (90) : (75))", 1.0, EVAL_ERROR_OK, true}, |
| 1019 | {"$10m_acquiring_requests >= 50 && $this < (($status >= $WARNING) ? (99) : (95))", 1.0, EVAL_ERROR_OK, true}, |
| 1020 | |
| 1021 | // Expressions with nested ternary operators and varying syntax |
| 1022 | {"($10m_acquiring_requests > 120) ? ($this > (($status == $CRITICAL) ? ( 2 ) : ( 5 )) ) : ( 0 )", 0.0, EVAL_ERROR_OK, true}, |
| 1023 | {"($10m_acquiring_requests > 120) ? ($this < (($status == $CRITICAL) ? ( 85 ) : ( 75 )) ) : ( 0 )", 0.0, EVAL_ERROR_OK, true}, |
| 1024 | {"($10m_acquiring_requests > 120) ? ($this > (($status >= $WARNING) ? ( 10 ) : ( 30 )) ) : ( 0 )", 0.0, EVAL_ERROR_OK, true}, |
| 1025 | {"($10m_acquiring_requests > 120) ? ($this > (($status >= $WARNING ) ? ( 1 ) : ( 20 )) ) : ( 0 )", 0.0, EVAL_ERROR_OK, true}, |
| 1026 | |
| 1027 | // Expressions with whitespace variations |
| 1028 | {"($10m_acquiring_requests > 120) ? ($this > (($status >= $WARNING ) ? ( 1 ) : ( 20 )) ) : ( 0 )", 0.0, EVAL_ERROR_OK, true}, |
| 1029 | {"($10m_acquiring_requests>120)?($this>(($status>=$WARNING)?(1):(20))):(0)", 0.0, EVAL_ERROR_OK, true}, |
| 1030 | |
| 1031 | // Complex variable expressions with hierarchical variables |
| 1032 | {"$avail * 100 / ($system.ram.used + $system.ram.cached + $system.ram.free + $system.ram.buffers)", 25.0, EVAL_ERROR_OK, true}, |
| 1033 | {"($active + $wired + $laundry + $buffers - $used_ram_to_ignore) * 100 / ($active + $wired + $laundry + $buffers - $used_ram_to_ignore + $cache + $free + $inactive)", 51.111111, EVAL_ERROR_OK, true}, |
| 1034 | |
| 1035 | // CPU Core variables with spaces in braced syntax |
| 1036 | {"(${Core 0} + ${Core 1} + ${Core 2} + ${Core 3}) / 4", 28.75, EVAL_ERROR_OK, true}, |
| 1037 | {"${Core 0} > 15", 1.0, EVAL_ERROR_OK, true}, |
| 1038 | {"${Core 0} > 15 OR ${Core 1} > 15 OR ${Core 02} > 15 OR ${Core 3} > 15", 1.0, EVAL_ERROR_OK, true}, |
| 1039 | {"${Core 0} > 15 OR ${Core 1} > 15 OR ${Core 02} > 15 OR ${Core 3} > 60", 1.0, EVAL_ERROR_OK, true}, |
| 1040 | {"${Core 0} > 15 OR $Core1 > 55 OR $Core2 > 55 OR $Core3 > 55", 1.0, EVAL_ERROR_OK, true}, |
| 1041 | |
| 1042 | // NaN checking patterns |
| 1043 | {"(($1hour_packet_drops_inbound != nan AND $this > 0) ? ($1hour_packet_drops_inbound * 100 / $this) : (0))", 500.0, EVAL_ERROR_OK, true}, |
| 1044 | {"(($1hour_packet_drops_outbound != nan AND $this > 0) ? ($1hour_packet_drops_outbound * 100 / $this) : (0))", 300.0, EVAL_ERROR_OK, true}, |
| 1045 | {"(($1m_ipv4_udp_receive_buffer_errors != nan AND $this > 30000) ? ($1m_ipv4_udp_receive_buffer_errors * 100 / $this) : (0))", 0.0, EVAL_ERROR_OK, true}, |
| 1046 | |
| 1047 | // Complex expressions with `or` and `and` lowercase keywords and nan/inf checks |
| 1048 | {"($active_processors == nan or $active_processors == 0) ? (nan) : (($active_processors < 2) ? (2) : ($active_processors))", 8.0, EVAL_ERROR_OK, true}, |
| 1049 | {"($active_processors == nan or $active_processors == inf or $active_processors < 2) ? (2) : ($active_processors)", 8.0, EVAL_ERROR_OK, true}, |
| 1050 | {"($active_processors == nan or $active_processors == inf or $active_processors < 2) ? (2) : ($active_processors / 1.2)", 6.666666666666667, EVAL_ERROR_OK, true}, |
| 1051 | |
| 1052 | // Time-based expressions with variable comparisons |
| 1053 | {"$last_collected_t < $now - 60", 0.0, EVAL_ERROR_OK, true}, |
| 1054 | {"$last_scrub > (15*60*60)", 0.0, EVAL_ERROR_OK, true}, |
| 1055 | |
| 1056 | // Floating point operations |
| 1057 | {"$mem > (($status == $CRITICAL) ? ($tcp_mem_pressure) : ($tcp_mem_high * 0.9))", 1.0, EVAL_ERROR_OK, true}, |
| 1058 | {"$mem > (($status >= $WARNING) ? ($tcp_mem_pressure * 0.8) : ($tcp_mem_pressure))", 1.0, EVAL_ERROR_OK, true}, |
| 1059 | |
| 1060 | // Memory expressions with various notations and hierarchical variables |
| 1061 | {"$avail * 100 / ($system.ram.free + $system.ram.active + $system.ram.inactive + $system.ram.wired + $system.ram.cache + $system.ram.laundry + $system.ram.buffers)", 20.212766, EVAL_ERROR_OK, true}, |
| 1062 | {"$avail * 100 / ($system.ram.used + $system.ram.cached + $system.ram.free + $system.ram.buffers + $system.ram.swap)", 19.791667, EVAL_ERROR_OK, true}, |
| 1063 | |
| 1064 | // Pattern usages of abs() function |
| 1065 | {"($this != 0) || ($status == $CRITICAL && abs($sent) == 0)", 1.0, EVAL_ERROR_OK, true}, |
| 1066 | {"abs($bandwidth_1m_avg_of_now - $bandwidth_1m_avg_of_previous_1m) * 100 / $bandwidth_1m_avg_of_previous_1m", 5.0, EVAL_ERROR_OK, true}, |
| 1067 | {"abs($offset)", 5.0, EVAL_ERROR_OK, true}, |
| 1068 | {"abs($sent) * 100 / abs($buffered)", 200.0, EVAL_ERROR_OK, true}, |
| 1069 | |
| 1070 | // Label syntax |
| 1071 | {"(${label:host} != \"wg-manage-lte\") AND ($this > $green OR $this > $red)", 0.0, EVAL_ERROR_REMAINING_GARBAGE, false}, |
| 1072 | |
| 1073 | // Used with pidmax (common system metrics pattern) |
| 1074 | {"$active * 100 / $pidmax", 4.577637, EVAL_ERROR_OK, true}, |
| 1075 | {"$arrays * 100 / $ipc.semaphores.arrays.max", 50.0, EVAL_ERROR_OK, true}, |
| 1076 | {"$arrays * 100 / $ipc_semaphores_arrays_max", 50.0, EVAL_ERROR_OK, true}, |
| 1077 | |
| 1078 | // Basic patterns with lowercase logical operators |
| 1079 | {"$netdata.uptime.uptime > 30 AND $this > 0 and $this < 24", 0.0, EVAL_ERROR_OK, true}, |
| 1080 | {"($this > $green OR $var1 > $red) and $this > 2", 1.0, EVAL_ERROR_OK, true}, |
| 1081 | |
| 1082 | // Expressions with word operators and comparisons |
| 1083 | {"$var1 > 40 AND $var2 < 30", 1.0, EVAL_ERROR_OK, true}, |
| 1084 | {"$var1 > 40 OR $var2 < 30", 1.0, EVAL_ERROR_OK, true}, |
| 1085 | {"NOT($var1 < 40 AND $var2 > 20)", 1.0, EVAL_ERROR_OK, true}, |
| 1086 | |
| 1087 | // Mixed symbol and word operators |
| 1088 | {"$var1 > 40 AND ($var2 < 30 || $this > 45)", 1.0, EVAL_ERROR_OK, true}, |
| 1089 | {"($var1 > 30 && $var2 < 30) OR $this > 45", 1.0, EVAL_ERROR_OK, true}, |
| 1090 | }; |
| 1091 | |
| 1092 | // Define the test groups |
| 1093 | static TestGroup test_groups[] = { |
| 1094 | {"Arithmetic Tests", arithmetic_tests, ARRAY_SIZE(arithmetic_tests)}, |
| 1095 | {"Comparison Tests", comparison_tests, ARRAY_SIZE(comparison_tests)}, |
| 1096 | {"Logical Tests", logical_tests, ARRAY_SIZE(logical_tests)}, |
| 1097 | {"Variable Tests", variable_tests, ARRAY_SIZE(variable_tests)}, |
| 1098 | {"Variable Space Tests", variable_space_tests, ARRAY_SIZE(variable_space_tests)}, |
| 1099 | {"Function Tests", function_tests, ARRAY_SIZE(function_tests)}, |
| 1100 | {"Special Value Tests", special_value_tests, ARRAY_SIZE(special_value_tests)}, |
| 1101 | {"Complex Expression Tests", complex_tests, ARRAY_SIZE(complex_tests)}, |
| 1102 | {"Edge Case Tests", edge_case_tests, ARRAY_SIZE(edge_case_tests)}, |
| 1103 | {"Operator Precedence Tests", precedence_tests, ARRAY_SIZE(precedence_tests)}, |
| 1104 | {"Parentheses Tests", parentheses_tests, ARRAY_SIZE(parentheses_tests)}, |
| 1105 | {"Nested Unary Tests", nested_unary_tests, ARRAY_SIZE(nested_unary_tests)}, |
| 1106 | {"Real-World Expression Tests", real_world_tests, ARRAY_SIZE(real_world_tests)}, |
| 1107 | {"API Function Tests", api_function_tests, ARRAY_SIZE(api_function_tests)}, |
| 1108 | {"Number Overflow Tests", overflow_tests, ARRAY_SIZE(overflow_tests)}, |
| 1109 | {"Combined Complex Expressions", combined_tests, ARRAY_SIZE(combined_tests)}, |
| 1110 | {"Crash Tests", crash_tests, ARRAY_SIZE(crash_tests)}, |
| 1111 | }; |
| 1112 | |
| 1113 | int eval_hardcode_unittest(void); |
| 1114 | |
| 1115 | int eval_unittest(void) { |
| 1116 | // Test cases for basic arithmetic operations |
| 1117 | |
| 1118 | // Run all test groups |
| 1119 | int total_passed = 0; |
| 1120 | int total_failed = 0; |
| 1121 | int total_tests = 0; |
| 1122 | |
| 1123 | #ifdef USE_RE2C_LEMON_PARSER |
| 1124 | printf("Starting comprehensive evaluation tests using RE2C/LEMON PARSER\n"); |
| 1125 | #else |
| 1126 | printf("Starting comprehensive evaluation tests using RECURSIVE DESCENT PARSER\n"); |
| 1127 | #endif |
| 1128 | |
| 1129 | for (size_t i = 0; i < ARRAY_SIZE(test_groups); i++) { |
| 1130 | run_test_group(&test_groups[i]); |
| 1131 | |
| 1132 | int group_tests = test_groups[i].test_count; |
| 1133 | int group_passed = 0; |
| 1134 | int group_failed = 0; |
| 1135 | |
| 1136 | for (int j = 0; j < group_tests; j++) { |
| 1137 | TestCase *tc = &test_groups[i].test_cases[j]; |
| 1138 | const char *failed_at = NULL; |
| 1139 | int error = 0; |
| 1140 | |
| 1141 | // Try to parse the expression |
| 1142 | EVAL_EXPRESSION *exp = expression_parse(tc->expression, &failed_at, &error); |
| 1143 | |
| 1144 | // Check if parsing succeeded as expected |
| 1145 | bool test_failed = false; |
| 1146 | |
| 1147 | if (tc->should_parse && !exp) { |
| 1148 | test_failed = true; |
| 1149 | } |
| 1150 | else if (!tc->should_parse && exp) { |
| 1151 | test_failed = true; |
| 1152 | } |
| 1153 | |
| 1154 | // If the expression parsed successfully, evaluate it |
| 1155 | if (exp) { |
| 1156 | // Set up the variable lookup callback |
| 1157 | expression_set_variable_lookup_callback(exp, test_variable_lookup, NULL); |
| 1158 | |
| 1159 | // Evaluate the expression |
| 1160 | expression_evaluate(exp); |
| 1161 | |
| 1162 | // Check if there was an error during evaluation |
| 1163 | if (tc->expected_error != EVAL_ERROR_OK && exp->error == EVAL_ERROR_OK) { |
| 1164 | test_failed = true; |
| 1165 | } |
| 1166 | else if (tc->expected_error == EVAL_ERROR_OK && exp->error != EVAL_ERROR_OK) { |
| 1167 | test_failed = true; |
| 1168 | } |
| 1169 | else if (tc->expected_error != EVAL_ERROR_OK && exp->error != tc->expected_error) { |
| 1170 | test_failed = true; |
| 1171 | } |
| 1172 | |
| 1173 | // Check the evaluation result |
| 1174 | if (tc->expected_error == EVAL_ERROR_OK) { |
| 1175 | if (isnan(tc->expected_result) && !isnan(exp->result)) { |
| 1176 | test_failed = true; |
| 1177 | } |
| 1178 | else if (isinf(tc->expected_result) && !isinf(exp->result)) { |
| 1179 | test_failed = true; |
| 1180 | } |
| 1181 | else if (!isnan(tc->expected_result) && !isinf(tc->expected_result) && |
| 1182 | !isnan(exp->result) && !isinf(exp->result) && |
| 1183 | fabs(tc->expected_result - exp->result) > 0.000001) { |
| 1184 | test_failed = true; |
| 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | // Clean up |
| 1189 | expression_free(exp); |
| 1190 | } |
| 1191 | |
| 1192 | if (test_failed) { |
| 1193 | group_failed++; |
| 1194 | } else { |
| 1195 | group_passed++; |
| 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | total_passed += group_passed; |
| 1200 | total_failed += group_failed; |
| 1201 | total_tests += group_tests; |
| 1202 | } |
| 1203 | |
| 1204 | printf("\n========== OVERALL TEST SUMMARY ==========\n"); |
| 1205 | printf("Total tests: %d\n", total_tests); |
| 1206 | printf("Passed: %d (%.1f%%)\n", total_passed, (float)total_passed / total_tests * 100); |
| 1207 | printf("Failed: %d (%.1f%%)\n", total_failed, (float)total_failed / total_tests * 100); |
| 1208 | |
| 1209 | if(!total_failed) |
| 1210 | return eval_hardcode_unittest(); |
| 1211 | |
| 1212 | return total_failed > 0 ? 1 : 0; |
| 1213 | } |