tests/ptimer-test.c

   1 /*
   2  * QTest testcase for the ptimer
   3  *
   4  * Copyright (c) 2016 Dmitry Osipenko <[email protected]>
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7  * See the COPYING file in the top-level directory.
   8  *
   9  */
  10
  11 #include "qemu/osdep.h"
  12 #include <glib/gprintf.h>
  13
  14 #include "qemu/main-loop.h"
  15 #include "hw/ptimer.h"
  16
  17 #include "ptimer-test.h"
  18
  19 static bool triggered;
  20
  21 static void ptimer_trigger(void *opaque)
  22 {
  23     triggered = true;
  24 }
  25
  26 static void ptimer_test_expire_qemu_timers(int64_t expire_time,
  27                                            QEMUClockType type)
  28 {
  29     QEMUTimerList *timer_list = main_loop_tlg.tl[type];
  30     QEMUTimer *t = timer_list->active_timers.next;
  31
  32     while (t != NULL) {
  33         if (t->expire_time == expire_time) {
  34             timer_del(t);
  35
  36             if (t->cb != NULL) {
  37                 t->cb(t->opaque);
  38             }
  39         }
  40
  41         t = t->next;
  42     }
  43 }
  44
  45 static void ptimer_test_set_qemu_time_ns(int64_t ns)
  46 {
  47     ptimer_test_time_ns = ns;
  48 }
  49
  50 static void qemu_clock_step(uint64_t ns)
  51 {
  52     int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL,
  53                                                   QEMU_TIMER_ATTR_ALL);
  54     int64_t advanced_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ns;
  55
  56     while (deadline != -1 && deadline <= advanced_time) {
  57         ptimer_test_set_qemu_time_ns(deadline);
  58         ptimer_test_expire_qemu_timers(deadline, QEMU_CLOCK_VIRTUAL);
  59         deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL,
  60                                               QEMU_TIMER_ATTR_ALL);
  61     }
  62
  63     ptimer_test_set_qemu_time_ns(advanced_time);
  64 }
  65
  66 static void check_set_count(gconstpointer arg)
  67 {
  68     const uint8_t *policy = arg;
  69     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
  70
  71     triggered = false;
  72
  73     ptimer_transaction_begin(ptimer);
  74     ptimer_set_count(ptimer, 1000);
  75     ptimer_transaction_commit(ptimer);
  76     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 1000);
  77     g_assert_false(triggered);
  78     ptimer_free(ptimer);
  79 }
  80
  81 static void check_set_limit(gconstpointer arg)
  82 {
  83     const uint8_t *policy = arg;
  84     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
  85
  86     triggered = false;
  87
  88     ptimer_transaction_begin(ptimer);
  89     ptimer_set_limit(ptimer, 1000, 0);
  90     ptimer_transaction_commit(ptimer);
  91     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
  92     g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 1000);
  93     g_assert_false(triggered);
  94
  95     ptimer_transaction_begin(ptimer);
  96     ptimer_set_limit(ptimer, 2000, 1);
  97     ptimer_transaction_commit(ptimer);
  98     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 2000);
  99     g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 2000);
 100     g_assert_false(triggered);
 101     ptimer_free(ptimer);
 102 }
 103
 104 static void check_oneshot(gconstpointer arg)
 105 {
 106     const uint8_t *policy = arg;
 107     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 108     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 109
 110     triggered = false;
 111
 112     ptimer_transaction_begin(ptimer);
 113     ptimer_set_period(ptimer, 2000000);
 114     ptimer_set_count(ptimer, 10);
 115     ptimer_run(ptimer, 1);
 116     ptimer_transaction_commit(ptimer);
 117
 118     qemu_clock_step(2000000 * 2 + 1);
 119
 120     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 121     g_assert_false(triggered);
 122
 123     ptimer_transaction_begin(ptimer);
 124     ptimer_stop(ptimer);
 125     ptimer_transaction_commit(ptimer);
 126
 127     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 128     g_assert_false(triggered);
 129
 130     qemu_clock_step(2000000 * 11);
 131
 132     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 133     g_assert_false(triggered);
 134
 135     ptimer_transaction_begin(ptimer);
 136     ptimer_run(ptimer, 1);
 137     ptimer_transaction_commit(ptimer);
 138
 139     qemu_clock_step(2000000 * 7 + 1);
 140
 141     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 142
 143     if (no_round_down) {
 144         g_assert_false(triggered);
 145     } else {
 146         g_assert_true(triggered);
 147
 148         triggered = false;
 149     }
 150
 151     qemu_clock_step(2000000);
 152
 153     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 154
 155     if (no_round_down) {
 156         g_assert_true(triggered);
 157
 158         triggered = false;
 159     } else {
 160         g_assert_false(triggered);
 161     }
 162
 163     qemu_clock_step(4000000);
 164
 165     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 166     g_assert_false(triggered);
 167
 168     ptimer_transaction_begin(ptimer);
 169     ptimer_set_count(ptimer, 10);
 170     ptimer_transaction_commit(ptimer);
 171
 172     qemu_clock_step(20000000 + 1);
 173
 174     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
 175     g_assert_false(triggered);
 176
 177     ptimer_transaction_begin(ptimer);
 178     ptimer_set_limit(ptimer, 9, 1);
 179     ptimer_transaction_commit(ptimer);
 180
 181     qemu_clock_step(20000000 + 1);
 182
 183     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
 184     g_assert_false(triggered);
 185
 186     ptimer_transaction_begin(ptimer);
 187     ptimer_run(ptimer, 1);
 188     ptimer_transaction_commit(ptimer);
 189
 190     qemu_clock_step(2000000 + 1);
 191
 192     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 193     g_assert_false(triggered);
 194
 195     ptimer_transaction_begin(ptimer);
 196     ptimer_set_count(ptimer, 20);
 197     ptimer_transaction_commit(ptimer);
 198
 199     qemu_clock_step(2000000 * 19 + 1);
 200
 201     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 202     g_assert_false(triggered);
 203
 204     qemu_clock_step(2000000);
 205
 206     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 207     g_assert_true(triggered);
 208
 209     ptimer_transaction_begin(ptimer);
 210     ptimer_stop(ptimer);
 211     ptimer_transaction_commit(ptimer);
 212
 213     triggered = false;
 214
 215     qemu_clock_step(2000000 * 12 + 1);
 216
 217     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 218     g_assert_false(triggered);
 219     ptimer_free(ptimer);
 220 }
 221
 222 static void check_periodic(gconstpointer arg)
 223 {
 224     const uint8_t *policy = arg;
 225     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 226     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 227     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 228     bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD);
 229     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 230     bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT);
 231
 232     triggered = false;
 233
 234     ptimer_transaction_begin(ptimer);
 235     ptimer_set_period(ptimer, 2000000);
 236     ptimer_set_limit(ptimer, 10, 1);
 237     ptimer_run(ptimer, 0);
 238     ptimer_transaction_commit(ptimer);
 239
 240     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
 241     g_assert_false(triggered);
 242
 243     qemu_clock_step(1);
 244
 245     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9);
 246     g_assert_false(triggered);
 247
 248     qemu_clock_step(2000000 * 10 - 1);
 249
 250     g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : 10);
 251     g_assert_true(triggered);
 252
 253     qemu_clock_step(1);
 254
 255     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 256                      wrap_policy ? 0 : (no_round_down ? 10 : 9));
 257     g_assert_true(triggered);
 258
 259     triggered = false;
 260
 261     qemu_clock_step(2000000);
 262
 263     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 264                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 265     g_assert_false(triggered);
 266
 267     ptimer_transaction_begin(ptimer);
 268     ptimer_set_count(ptimer, 20);
 269     ptimer_transaction_commit(ptimer);
 270
 271     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 20);
 272     g_assert_false(triggered);
 273
 274     qemu_clock_step(1);
 275
 276     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 20 : 19);
 277     g_assert_false(triggered);
 278
 279     qemu_clock_step(2000000 * 11 + 1);
 280
 281     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 9 : 8);
 282     g_assert_false(triggered);
 283
 284     qemu_clock_step(2000000 * 10);
 285
 286     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 287                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 288     g_assert_true(triggered);
 289
 290     triggered = false;
 291
 292     ptimer_transaction_begin(ptimer);
 293     ptimer_set_count(ptimer, 3);
 294     ptimer_transaction_commit(ptimer);
 295
 296     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
 297     g_assert_false(triggered);
 298
 299     qemu_clock_step(1);
 300
 301     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 3 : 2);
 302     g_assert_false(triggered);
 303
 304     qemu_clock_step(2000000 * 4);
 305
 306     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 307                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 308     g_assert_true(triggered);
 309
 310     ptimer_transaction_begin(ptimer);
 311     ptimer_stop(ptimer);
 312     ptimer_transaction_commit(ptimer);
 313     triggered = false;
 314
 315     qemu_clock_step(2000000);
 316
 317     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 318                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 319     g_assert_false(triggered);
 320
 321     ptimer_transaction_begin(ptimer);
 322     ptimer_set_count(ptimer, 3);
 323     ptimer_run(ptimer, 0);
 324     ptimer_transaction_commit(ptimer);
 325
 326     qemu_clock_step(2000000 * 3 + 1);
 327
 328     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 329                      wrap_policy ? 0 : (no_round_down ? 10 : 9));
 330     g_assert_true(triggered);
 331
 332     triggered = false;
 333
 334     qemu_clock_step(2000000);
 335
 336     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 337                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 338     g_assert_false(triggered);
 339
 340     ptimer_transaction_begin(ptimer);
 341     ptimer_set_count(ptimer, 0);
 342     ptimer_transaction_commit(ptimer);
 343     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 344                      no_immediate_reload ? 0 : 10);
 345
 346     if (no_immediate_trigger || trig_only_on_dec) {
 347         g_assert_false(triggered);
 348     } else {
 349         g_assert_true(triggered);
 350     }
 351
 352     triggered = false;
 353
 354     qemu_clock_step(1);
 355
 356     if (no_immediate_reload) {
 357         g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 358         g_assert_false(triggered);
 359
 360         qemu_clock_step(2000000);
 361
 362         if (no_immediate_trigger) {
 363             g_assert_true(triggered);
 364         } else {
 365             g_assert_false(triggered);
 366         }
 367
 368         triggered = false;
 369     }
 370
 371     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9);
 372     g_assert_false(triggered);
 373
 374     qemu_clock_step(2000000 * 12);
 375
 376     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 377                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 378     g_assert_true(triggered);
 379
 380     ptimer_transaction_begin(ptimer);
 381     ptimer_stop(ptimer);
 382     ptimer_transaction_commit(ptimer);
 383
 384     triggered = false;
 385
 386     qemu_clock_step(2000000 * 10);
 387
 388     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 389                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 390     g_assert_false(triggered);
 391
 392     ptimer_transaction_begin(ptimer);
 393     ptimer_run(ptimer, 0);
 394     ptimer_transaction_commit(ptimer);
 395
 396     ptimer_transaction_begin(ptimer);
 397     ptimer_set_period(ptimer, 0);
 398     ptimer_transaction_commit(ptimer);
 399
 400     qemu_clock_step(2000000 + 1);
 401
 402     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 403                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 404     g_assert_false(triggered);
 405     ptimer_free(ptimer);
 406 }
 407
 408 static void check_on_the_fly_mode_change(gconstpointer arg)
 409 {
 410     const uint8_t *policy = arg;
 411     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 412     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 413     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 414
 415     triggered = false;
 416
 417     ptimer_transaction_begin(ptimer);
 418     ptimer_set_period(ptimer, 2000000);
 419     ptimer_set_limit(ptimer, 10, 1);
 420     ptimer_run(ptimer, 1);
 421     ptimer_transaction_commit(ptimer);
 422
 423     qemu_clock_step(2000000 * 9 + 1);
 424
 425     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 426     g_assert_false(triggered);
 427
 428     ptimer_transaction_begin(ptimer);
 429     ptimer_run(ptimer, 0);
 430     ptimer_transaction_commit(ptimer);
 431
 432     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 433     g_assert_false(triggered);
 434
 435     qemu_clock_step(2000000);
 436
 437     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 438                     wrap_policy ? 0 : (no_round_down ? 10 : 9));
 439     g_assert_true(triggered);
 440
 441     triggered = false;
 442
 443     qemu_clock_step(2000000 * 9);
 444
 445     ptimer_transaction_begin(ptimer);
 446     ptimer_run(ptimer, 1);
 447     ptimer_transaction_commit(ptimer);
 448
 449     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 450                      (no_round_down ? 1 : 0) + (wrap_policy ? 1 : 0));
 451     g_assert_false(triggered);
 452
 453     qemu_clock_step(2000000 * 3);
 454
 455     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 456     g_assert_true(triggered);
 457     ptimer_free(ptimer);
 458 }
 459
 460 static void check_on_the_fly_period_change(gconstpointer arg)
 461 {
 462     const uint8_t *policy = arg;
 463     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 464     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 465
 466     triggered = false;
 467
 468     ptimer_transaction_begin(ptimer);
 469     ptimer_set_period(ptimer, 2000000);
 470     ptimer_set_limit(ptimer, 8, 1);
 471     ptimer_run(ptimer, 1);
 472     ptimer_transaction_commit(ptimer);
 473
 474     qemu_clock_step(2000000 * 4 + 1);
 475
 476     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 477     g_assert_false(triggered);
 478
 479     ptimer_transaction_begin(ptimer);
 480     ptimer_set_period(ptimer, 4000000);
 481     ptimer_transaction_commit(ptimer);
 482     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 483
 484     qemu_clock_step(4000000 * 2 + 1);
 485
 486     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0);
 487     g_assert_false(triggered);
 488
 489     qemu_clock_step(4000000 * 2);
 490
 491     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 492     g_assert_true(triggered);
 493     ptimer_free(ptimer);
 494 }
 495
 496 static void check_on_the_fly_freq_change(gconstpointer arg)
 497 {
 498     const uint8_t *policy = arg;
 499     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 500     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 501
 502     triggered = false;
 503
 504     ptimer_transaction_begin(ptimer);
 505     ptimer_set_freq(ptimer, 500);
 506     ptimer_set_limit(ptimer, 8, 1);
 507     ptimer_run(ptimer, 1);
 508     ptimer_transaction_commit(ptimer);
 509
 510     qemu_clock_step(2000000 * 4 + 1);
 511
 512     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 513     g_assert_false(triggered);
 514
 515     ptimer_transaction_begin(ptimer);
 516     ptimer_set_freq(ptimer, 250);
 517     ptimer_transaction_commit(ptimer);
 518     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 519
 520     qemu_clock_step(2000000 * 4 + 1);
 521
 522     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0);
 523     g_assert_false(triggered);
 524
 525     qemu_clock_step(2000000 * 4);
 526
 527     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 528     g_assert_true(triggered);
 529     ptimer_free(ptimer);
 530 }
 531
 532 static void check_run_with_period_0(gconstpointer arg)
 533 {
 534     const uint8_t *policy = arg;
 535     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 536
 537     triggered = false;
 538
 539     ptimer_transaction_begin(ptimer);
 540     ptimer_set_count(ptimer, 99);
 541     ptimer_run(ptimer, 1);
 542     ptimer_transaction_commit(ptimer);
 543
 544     qemu_clock_step(10 * NANOSECONDS_PER_SECOND);
 545
 546     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
 547     g_assert_false(triggered);
 548     ptimer_free(ptimer);
 549 }
 550
 551 static void check_run_with_delta_0(gconstpointer arg)
 552 {
 553     const uint8_t *policy = arg;
 554     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 555     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 556     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 557     bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD);
 558     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 559     bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT);
 560
 561     triggered = false;
 562
 563     ptimer_transaction_begin(ptimer);
 564     ptimer_set_period(ptimer, 2000000);
 565     ptimer_set_limit(ptimer, 99, 0);
 566     ptimer_run(ptimer, 1);
 567     ptimer_transaction_commit(ptimer);
 568     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 569                      no_immediate_reload ? 0 : 99);
 570
 571     if (no_immediate_trigger || trig_only_on_dec) {
 572         g_assert_false(triggered);
 573     } else {
 574         g_assert_true(triggered);
 575     }
 576
 577     triggered = false;
 578
 579     if (no_immediate_trigger || no_immediate_reload) {
 580         qemu_clock_step(2000000 + 1);
 581
 582         g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 583                          no_immediate_reload ? 0 : (no_round_down ? 98 : 97));
 584
 585         if (no_immediate_trigger && no_immediate_reload) {
 586             g_assert_true(triggered);
 587
 588             triggered = false;
 589         } else {
 590             g_assert_false(triggered);
 591         }
 592
 593         ptimer_transaction_begin(ptimer);
 594         ptimer_set_count(ptimer, 99);
 595         ptimer_run(ptimer, 1);
 596         ptimer_transaction_commit(ptimer);
 597     }
 598
 599     qemu_clock_step(2000000 + 1);
 600
 601     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97);
 602     g_assert_false(triggered);
 603
 604     qemu_clock_step(2000000 * 97);
 605
 606     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 607     g_assert_false(triggered);
 608
 609     qemu_clock_step(2000000 * 2);
 610
 611     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 612     g_assert_true(triggered);
 613
 614     triggered = false;
 615
 616     ptimer_transaction_begin(ptimer);
 617     ptimer_set_count(ptimer, 0);
 618     ptimer_run(ptimer, 0);
 619     ptimer_transaction_commit(ptimer);
 620     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 621                      no_immediate_reload ? 0 : 99);
 622
 623     if (no_immediate_trigger || trig_only_on_dec) {
 624         g_assert_false(triggered);
 625     } else {
 626         g_assert_true(triggered);
 627     }
 628
 629     triggered = false;
 630
 631     qemu_clock_step(1);
 632
 633     if (no_immediate_reload) {
 634         qemu_clock_step(2000000);
 635     }
 636
 637     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 99 : 98);
 638
 639     if (no_immediate_reload && no_immediate_trigger) {
 640         g_assert_true(triggered);
 641     } else {
 642         g_assert_false(triggered);
 643     }
 644
 645     triggered = false;
 646
 647     qemu_clock_step(2000000);
 648
 649     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97);
 650     g_assert_false(triggered);
 651
 652     qemu_clock_step(2000000 * 98);
 653
 654     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 655                     wrap_policy ? 0 : (no_round_down ? 99 : 98));
 656     g_assert_true(triggered);
 657
 658     ptimer_transaction_begin(ptimer);
 659     ptimer_stop(ptimer);
 660     ptimer_transaction_commit(ptimer);
 661     ptimer_free(ptimer);
 662 }
 663
 664 static void check_periodic_with_load_0(gconstpointer arg)
 665 {
 666     const uint8_t *policy = arg;
 667     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 668     bool continuous_trigger = (*policy & PTIMER_POLICY_CONTINUOUS_TRIGGER);
 669     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 670     bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT);
 671
 672     triggered = false;
 673
 674     ptimer_transaction_begin(ptimer);
 675     ptimer_set_period(ptimer, 2000000);
 676     ptimer_run(ptimer, 0);
 677     ptimer_transaction_commit(ptimer);
 678
 679     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 680
 681     if (no_immediate_trigger || trig_only_on_dec) {
 682         g_assert_false(triggered);
 683     } else {
 684         g_assert_true(triggered);
 685     }
 686
 687     triggered = false;
 688
 689     qemu_clock_step(2000000 + 1);
 690
 691     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 692
 693     if (continuous_trigger || no_immediate_trigger) {
 694         g_assert_true(triggered);
 695     } else {
 696         g_assert_false(triggered);
 697     }
 698
 699     triggered = false;
 700
 701     ptimer_transaction_begin(ptimer);
 702     ptimer_set_count(ptimer, 10);
 703     ptimer_run(ptimer, 0);
 704     ptimer_transaction_commit(ptimer);
 705
 706     qemu_clock_step(2000000 * 10 + 1);
 707
 708     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 709     g_assert_true(triggered);
 710
 711     triggered = false;
 712
 713     qemu_clock_step(2000000 + 1);
 714
 715     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 716
 717     if (continuous_trigger) {
 718         g_assert_true(triggered);
 719     } else {
 720         g_assert_false(triggered);
 721     }
 722
 723     ptimer_transaction_begin(ptimer);
 724     ptimer_stop(ptimer);
 725     ptimer_transaction_commit(ptimer);
 726     ptimer_free(ptimer);
 727 }
 728
 729 static void check_oneshot_with_load_0(gconstpointer arg)
 730 {
 731     const uint8_t *policy = arg;
 732     ptimer_state *ptimer = ptimer_init(ptimer_trigger, NULL, *policy);
 733     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 734     bool trig_only_on_dec = (*policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT);
 735
 736     triggered = false;
 737
 738     ptimer_transaction_begin(ptimer);
 739     ptimer_set_period(ptimer, 2000000);
 740     ptimer_run(ptimer, 1);
 741     ptimer_transaction_commit(ptimer);
 742
 743     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 744
 745     if (no_immediate_trigger || trig_only_on_dec) {
 746         g_assert_false(triggered);
 747     } else {
 748         g_assert_true(triggered);
 749     }
 750
 751     triggered = false;
 752
 753     qemu_clock_step(2000000 + 1);
 754
 755     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 756
 757     if (no_immediate_trigger) {
 758         g_assert_true(triggered);
 759     } else {
 760         g_assert_false(triggered);
 761     }
 762
 763     ptimer_free(ptimer);
 764 }
 765
 766 static void add_ptimer_tests(uint8_t policy)
 767 {
 768     char policy_name[256] = "";
 769     char *tmp;
 770
 771     if (policy == PTIMER_POLICY_DEFAULT) {
 772         g_sprintf(policy_name, "default");
 773     }
 774
 775     if (policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD) {
 776         g_strlcat(policy_name, "wrap_after_one_period,", 256);
 777     }
 778
 779     if (policy & PTIMER_POLICY_CONTINUOUS_TRIGGER) {
 780         g_strlcat(policy_name, "continuous_trigger,", 256);
 781     }
 782
 783     if (policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER) {
 784         g_strlcat(policy_name, "no_immediate_trigger,", 256);
 785     }
 786
 787     if (policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD) {
 788         g_strlcat(policy_name, "no_immediate_reload,", 256);
 789     }
 790
 791     if (policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN) {
 792         g_strlcat(policy_name, "no_counter_rounddown,", 256);
 793     }
 794
 795     if (policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT) {
 796         g_strlcat(policy_name, "trigger_only_on_decrement,", 256);
 797     }
 798
 799     g_test_add_data_func_full(
 800         tmp = g_strdup_printf("/ptimer/set_count policy=%s", policy_name),
 801         g_memdup(&policy, 1), check_set_count, g_free);
 802     g_free(tmp);
 803
 804     g_test_add_data_func_full(
 805         tmp = g_strdup_printf("/ptimer/set_limit policy=%s", policy_name),
 806         g_memdup(&policy, 1), check_set_limit, g_free);
 807     g_free(tmp);
 808
 809     g_test_add_data_func_full(
 810         tmp = g_strdup_printf("/ptimer/oneshot policy=%s", policy_name),
 811         g_memdup(&policy, 1), check_oneshot, g_free);
 812     g_free(tmp);
 813
 814     g_test_add_data_func_full(
 815         tmp = g_strdup_printf("/ptimer/periodic policy=%s", policy_name),
 816         g_memdup(&policy, 1), check_periodic, g_free);
 817     g_free(tmp);
 818
 819     g_test_add_data_func_full(
 820         tmp = g_strdup_printf("/ptimer/on_the_fly_mode_change policy=%s",
 821                               policy_name),
 822         g_memdup(&policy, 1), check_on_the_fly_mode_change, g_free);
 823     g_free(tmp);
 824
 825     g_test_add_data_func_full(
 826         tmp = g_strdup_printf("/ptimer/on_the_fly_period_change policy=%s",
 827                               policy_name),
 828         g_memdup(&policy, 1), check_on_the_fly_period_change, g_free);
 829     g_free(tmp);
 830
 831     g_test_add_data_func_full(
 832         tmp = g_strdup_printf("/ptimer/on_the_fly_freq_change policy=%s",
 833                               policy_name),
 834         g_memdup(&policy, 1), check_on_the_fly_freq_change, g_free);
 835     g_free(tmp);
 836
 837     g_test_add_data_func_full(
 838         tmp = g_strdup_printf("/ptimer/run_with_period_0 policy=%s",
 839                               policy_name),
 840         g_memdup(&policy, 1), check_run_with_period_0, g_free);
 841     g_free(tmp);
 842
 843     g_test_add_data_func_full(
 844         tmp = g_strdup_printf("/ptimer/run_with_delta_0 policy=%s",
 845                               policy_name),
 846         g_memdup(&policy, 1), check_run_with_delta_0, g_free);
 847     g_free(tmp);
 848
 849     g_test_add_data_func_full(
 850         tmp = g_strdup_printf("/ptimer/periodic_with_load_0 policy=%s",
 851                               policy_name),
 852         g_memdup(&policy, 1), check_periodic_with_load_0, g_free);
 853     g_free(tmp);
 854
 855     g_test_add_data_func_full(
 856         tmp = g_strdup_printf("/ptimer/oneshot_with_load_0 policy=%s",
 857                               policy_name),
 858         g_memdup(&policy, 1), check_oneshot_with_load_0, g_free);
 859     g_free(tmp);
 860 }
 861
 862 static void add_all_ptimer_policies_comb_tests(void)
 863 {
 864     int last_policy = PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT;
 865     int policy = PTIMER_POLICY_DEFAULT;
 866
 867     for (; policy < (last_policy << 1); policy++) {
 868         if ((policy & PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT) &&
 869             (policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER)) {
 870             /* Incompatible policy flag settings -- don't try to test them */
 871             continue;
 872         }
 873         add_ptimer_tests(policy);
 874     }
 875 }
 876
 877 int main(int argc, char **argv)
 878 {
 879     int i;
 880
 881     g_test_init(&argc, &argv, NULL);
 882
 883     for (i = 0; i < QEMU_CLOCK_MAX; i++) {
 884         main_loop_tlg.tl[i] = g_new0(QEMUTimerList, 1);
 885     }
 886
 887     add_all_ptimer_policies_comb_tests();
 888
 889     qtest_allowed = true;
 890
 891     return g_test_run();
 892 }