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