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 <glib/gprintf.h>
  12
  13 #include "qemu/osdep.h"
  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
 212     triggered = false;
 213
 214     ptimer_set_period(ptimer, 2000000);
 215     ptimer_set_limit(ptimer, 10, 1);
 216     ptimer_run(ptimer, 0);
 217
 218     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
 219     g_assert_false(triggered);
 220
 221     qemu_clock_step(1);
 222
 223     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9);
 224     g_assert_false(triggered);
 225
 226     qemu_clock_step(2000000 * 10 - 1);
 227
 228     g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : 10);
 229     g_assert_true(triggered);
 230
 231     qemu_clock_step(1);
 232
 233     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 234                      wrap_policy ? 0 : (no_round_down ? 10 : 9));
 235     g_assert_true(triggered);
 236
 237     triggered = false;
 238
 239     qemu_clock_step(2000000);
 240
 241     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 242                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 243     g_assert_false(triggered);
 244
 245     ptimer_set_count(ptimer, 20);
 246
 247     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 20);
 248     g_assert_false(triggered);
 249
 250     qemu_clock_step(1);
 251
 252     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 20 : 19);
 253     g_assert_false(triggered);
 254
 255     qemu_clock_step(2000000 * 11 + 1);
 256
 257     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 9 : 8);
 258     g_assert_false(triggered);
 259
 260     qemu_clock_step(2000000 * 10);
 261
 262     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 263                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 264     g_assert_true(triggered);
 265
 266     triggered = false;
 267
 268     ptimer_set_count(ptimer, 3);
 269
 270     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
 271     g_assert_false(triggered);
 272
 273     qemu_clock_step(1);
 274
 275     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 3 : 2);
 276     g_assert_false(triggered);
 277
 278     qemu_clock_step(2000000 * 4);
 279
 280     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 281                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 282     g_assert_true(triggered);
 283
 284     ptimer_stop(ptimer);
 285     triggered = false;
 286
 287     qemu_clock_step(2000000);
 288
 289     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 290                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 291     g_assert_false(triggered);
 292
 293     ptimer_set_count(ptimer, 3);
 294     ptimer_run(ptimer, 0);
 295
 296     qemu_clock_step(2000000 * 3 + 1);
 297
 298     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 299                      wrap_policy ? 0 : (no_round_down ? 10 : 9));
 300     g_assert_true(triggered);
 301
 302     triggered = false;
 303
 304     qemu_clock_step(2000000);
 305
 306     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 307                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 308     g_assert_false(triggered);
 309
 310     ptimer_set_count(ptimer, 0);
 311     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 312                      no_immediate_reload ? 0 : 10);
 313
 314     if (no_immediate_trigger) {
 315         g_assert_false(triggered);
 316     } else {
 317         g_assert_true(triggered);
 318     }
 319
 320     triggered = false;
 321
 322     qemu_clock_step(1);
 323
 324     if (no_immediate_reload) {
 325         g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 326         g_assert_false(triggered);
 327
 328         qemu_clock_step(2000000);
 329
 330         if (no_immediate_trigger) {
 331             g_assert_true(triggered);
 332         } else {
 333             g_assert_false(triggered);
 334         }
 335
 336         triggered = false;
 337     }
 338
 339     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9);
 340     g_assert_false(triggered);
 341
 342     qemu_clock_step(2000000 * 12);
 343
 344     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 345                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 346     g_assert_true(triggered);
 347
 348     ptimer_stop(ptimer);
 349
 350     triggered = false;
 351
 352     qemu_clock_step(2000000 * 10);
 353
 354     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 355                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 356     g_assert_false(triggered);
 357
 358     ptimer_run(ptimer, 0);
 359     ptimer_set_period(ptimer, 0);
 360
 361     qemu_clock_step(2000000 + 1);
 362
 363     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 364                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 365     g_assert_false(triggered);
 366     ptimer_free(ptimer);
 367 }
 368
 369 static void check_on_the_fly_mode_change(gconstpointer arg)
 370 {
 371     const uint8_t *policy = arg;
 372     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 373     ptimer_state *ptimer = ptimer_init(bh, *policy);
 374     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 375     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 376
 377     triggered = false;
 378
 379     ptimer_set_period(ptimer, 2000000);
 380     ptimer_set_limit(ptimer, 10, 1);
 381     ptimer_run(ptimer, 1);
 382
 383     qemu_clock_step(2000000 * 9 + 1);
 384
 385     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 386     g_assert_false(triggered);
 387
 388     ptimer_run(ptimer, 0);
 389
 390     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 391     g_assert_false(triggered);
 392
 393     qemu_clock_step(2000000);
 394
 395     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 396                     wrap_policy ? 0 : (no_round_down ? 10 : 9));
 397     g_assert_true(triggered);
 398
 399     triggered = false;
 400
 401     qemu_clock_step(2000000 * 9);
 402
 403     ptimer_run(ptimer, 1);
 404
 405     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 406                      (no_round_down ? 1 : 0) + (wrap_policy ? 1 : 0));
 407     g_assert_false(triggered);
 408
 409     qemu_clock_step(2000000 * 3);
 410
 411     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 412     g_assert_true(triggered);
 413     ptimer_free(ptimer);
 414 }
 415
 416 static void check_on_the_fly_period_change(gconstpointer arg)
 417 {
 418     const uint8_t *policy = arg;
 419     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 420     ptimer_state *ptimer = ptimer_init(bh, *policy);
 421     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 422
 423     triggered = false;
 424
 425     ptimer_set_period(ptimer, 2000000);
 426     ptimer_set_limit(ptimer, 8, 1);
 427     ptimer_run(ptimer, 1);
 428
 429     qemu_clock_step(2000000 * 4 + 1);
 430
 431     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 432     g_assert_false(triggered);
 433
 434     ptimer_set_period(ptimer, 4000000);
 435     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 436
 437     qemu_clock_step(4000000 * 2 + 1);
 438
 439     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0);
 440     g_assert_false(triggered);
 441
 442     qemu_clock_step(4000000 * 2);
 443
 444     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 445     g_assert_true(triggered);
 446     ptimer_free(ptimer);
 447 }
 448
 449 static void check_on_the_fly_freq_change(gconstpointer arg)
 450 {
 451     const uint8_t *policy = arg;
 452     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 453     ptimer_state *ptimer = ptimer_init(bh, *policy);
 454     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 455
 456     triggered = false;
 457
 458     ptimer_set_freq(ptimer, 500);
 459     ptimer_set_limit(ptimer, 8, 1);
 460     ptimer_run(ptimer, 1);
 461
 462     qemu_clock_step(2000000 * 4 + 1);
 463
 464     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 465     g_assert_false(triggered);
 466
 467     ptimer_set_freq(ptimer, 250);
 468     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 469
 470     qemu_clock_step(2000000 * 4 + 1);
 471
 472     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0);
 473     g_assert_false(triggered);
 474
 475     qemu_clock_step(2000000 * 4);
 476
 477     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 478     g_assert_true(triggered);
 479     ptimer_free(ptimer);
 480 }
 481
 482 static void check_run_with_period_0(gconstpointer arg)
 483 {
 484     const uint8_t *policy = arg;
 485     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 486     ptimer_state *ptimer = ptimer_init(bh, *policy);
 487
 488     triggered = false;
 489
 490     ptimer_set_count(ptimer, 99);
 491     ptimer_run(ptimer, 1);
 492
 493     qemu_clock_step(10 * NANOSECONDS_PER_SECOND);
 494
 495     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
 496     g_assert_false(triggered);
 497     ptimer_free(ptimer);
 498 }
 499
 500 static void check_run_with_delta_0(gconstpointer arg)
 501 {
 502     const uint8_t *policy = arg;
 503     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 504     ptimer_state *ptimer = ptimer_init(bh, *policy);
 505     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 506     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 507     bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD);
 508     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 509
 510     triggered = false;
 511
 512     ptimer_set_period(ptimer, 2000000);
 513     ptimer_set_limit(ptimer, 99, 0);
 514     ptimer_run(ptimer, 1);
 515     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 516                      no_immediate_reload ? 0 : 99);
 517
 518     if (no_immediate_trigger) {
 519         g_assert_false(triggered);
 520     } else {
 521         g_assert_true(triggered);
 522     }
 523
 524     triggered = false;
 525
 526     if (no_immediate_trigger || no_immediate_reload) {
 527         qemu_clock_step(2000000 + 1);
 528
 529         g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 530                          no_immediate_reload ? 0 : (no_round_down ? 98 : 97));
 531
 532         if (no_immediate_trigger && no_immediate_reload) {
 533             g_assert_true(triggered);
 534
 535             triggered = false;
 536         } else {
 537             g_assert_false(triggered);
 538         }
 539
 540         ptimer_set_count(ptimer, 99);
 541         ptimer_run(ptimer, 1);
 542     }
 543
 544     qemu_clock_step(2000000 + 1);
 545
 546     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97);
 547     g_assert_false(triggered);
 548
 549     qemu_clock_step(2000000 * 97);
 550
 551     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 552     g_assert_false(triggered);
 553
 554     qemu_clock_step(2000000 * 2);
 555
 556     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 557     g_assert_true(triggered);
 558
 559     triggered = false;
 560
 561     ptimer_set_count(ptimer, 0);
 562     ptimer_run(ptimer, 0);
 563     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 564                      no_immediate_reload ? 0 : 99);
 565
 566     if (no_immediate_trigger) {
 567         g_assert_false(triggered);
 568     } else {
 569         g_assert_true(triggered);
 570     }
 571
 572     triggered = false;
 573
 574     qemu_clock_step(1);
 575
 576     if (no_immediate_reload) {
 577         qemu_clock_step(2000000);
 578     }
 579
 580     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 99 : 98);
 581
 582     if (no_immediate_reload && no_immediate_trigger) {
 583         g_assert_true(triggered);
 584     } else {
 585         g_assert_false(triggered);
 586     }
 587
 588     triggered = false;
 589
 590     qemu_clock_step(2000000);
 591
 592     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97);
 593     g_assert_false(triggered);
 594
 595     qemu_clock_step(2000000 * 98);
 596
 597     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 598                     wrap_policy ? 0 : (no_round_down ? 99 : 98));
 599     g_assert_true(triggered);
 600
 601     ptimer_stop(ptimer);
 602     ptimer_free(ptimer);
 603 }
 604
 605 static void check_periodic_with_load_0(gconstpointer arg)
 606 {
 607     const uint8_t *policy = arg;
 608     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 609     ptimer_state *ptimer = ptimer_init(bh, *policy);
 610     bool continuous_trigger = (*policy & PTIMER_POLICY_CONTINUOUS_TRIGGER);
 611     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 612
 613     triggered = false;
 614
 615     ptimer_set_period(ptimer, 2000000);
 616     ptimer_run(ptimer, 0);
 617
 618     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 619
 620     if (no_immediate_trigger) {
 621         g_assert_false(triggered);
 622     } else {
 623         g_assert_true(triggered);
 624     }
 625
 626     triggered = false;
 627
 628     qemu_clock_step(2000000 + 1);
 629
 630     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 631
 632     if (continuous_trigger || no_immediate_trigger) {
 633         g_assert_true(triggered);
 634     } else {
 635         g_assert_false(triggered);
 636     }
 637
 638     triggered = false;
 639
 640     ptimer_set_count(ptimer, 10);
 641     ptimer_run(ptimer, 0);
 642
 643     qemu_clock_step(2000000 * 10 + 1);
 644
 645     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 646     g_assert_true(triggered);
 647
 648     triggered = false;
 649
 650     qemu_clock_step(2000000 + 1);
 651
 652     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 653
 654     if (continuous_trigger) {
 655         g_assert_true(triggered);
 656     } else {
 657         g_assert_false(triggered);
 658     }
 659
 660     ptimer_stop(ptimer);
 661     ptimer_free(ptimer);
 662 }
 663
 664 static void check_oneshot_with_load_0(gconstpointer arg)
 665 {
 666     const uint8_t *policy = arg;
 667     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 668     ptimer_state *ptimer = ptimer_init(bh, *policy);
 669     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 670
 671     triggered = false;
 672
 673     ptimer_set_period(ptimer, 2000000);
 674     ptimer_run(ptimer, 1);
 675
 676     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 677
 678     if (no_immediate_trigger) {
 679         g_assert_false(triggered);
 680     } else {
 681         g_assert_true(triggered);
 682     }
 683
 684     triggered = false;
 685
 686     qemu_clock_step(2000000 + 1);
 687
 688     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 689
 690     if (no_immediate_trigger) {
 691         g_assert_true(triggered);
 692     } else {
 693         g_assert_false(triggered);
 694     }
 695
 696     ptimer_free(ptimer);
 697 }
 698
 699 static void add_ptimer_tests(uint8_t policy)
 700 {
 701     char policy_name[256] = "";
 702     char *tmp;
 703
 704     if (policy == PTIMER_POLICY_DEFAULT) {
 705         g_sprintf(policy_name, "default");
 706     }
 707
 708     if (policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD) {
 709         g_strlcat(policy_name, "wrap_after_one_period,", 256);
 710     }
 711
 712     if (policy & PTIMER_POLICY_CONTINUOUS_TRIGGER) {
 713         g_strlcat(policy_name, "continuous_trigger,", 256);
 714     }
 715
 716     if (policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER) {
 717         g_strlcat(policy_name, "no_immediate_trigger,", 256);
 718     }
 719
 720     if (policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD) {
 721         g_strlcat(policy_name, "no_immediate_reload,", 256);
 722     }
 723
 724     if (policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN) {
 725         g_strlcat(policy_name, "no_counter_rounddown,", 256);
 726     }
 727
 728     g_test_add_data_func_full(
 729         tmp = g_strdup_printf("/ptimer/set_count policy=%s", policy_name),
 730         g_memdup(&policy, 1), check_set_count, g_free);
 731     g_free(tmp);
 732
 733     g_test_add_data_func_full(
 734         tmp = g_strdup_printf("/ptimer/set_limit policy=%s", policy_name),
 735         g_memdup(&policy, 1), check_set_limit, g_free);
 736     g_free(tmp);
 737
 738     g_test_add_data_func_full(
 739         tmp = g_strdup_printf("/ptimer/oneshot policy=%s", policy_name),
 740         g_memdup(&policy, 1), check_oneshot, g_free);
 741     g_free(tmp);
 742
 743     g_test_add_data_func_full(
 744         tmp = g_strdup_printf("/ptimer/periodic policy=%s", policy_name),
 745         g_memdup(&policy, 1), check_periodic, g_free);
 746     g_free(tmp);
 747
 748     g_test_add_data_func_full(
 749         tmp = g_strdup_printf("/ptimer/on_the_fly_mode_change policy=%s",
 750                               policy_name),
 751         g_memdup(&policy, 1), check_on_the_fly_mode_change, g_free);
 752     g_free(tmp);
 753
 754     g_test_add_data_func_full(
 755         tmp = g_strdup_printf("/ptimer/on_the_fly_period_change policy=%s",
 756                               policy_name),
 757         g_memdup(&policy, 1), check_on_the_fly_period_change, g_free);
 758     g_free(tmp);
 759
 760     g_test_add_data_func_full(
 761         tmp = g_strdup_printf("/ptimer/on_the_fly_freq_change policy=%s",
 762                               policy_name),
 763         g_memdup(&policy, 1), check_on_the_fly_freq_change, g_free);
 764     g_free(tmp);
 765
 766     g_test_add_data_func_full(
 767         tmp = g_strdup_printf("/ptimer/run_with_period_0 policy=%s",
 768                               policy_name),
 769         g_memdup(&policy, 1), check_run_with_period_0, g_free);
 770     g_free(tmp);
 771
 772     g_test_add_data_func_full(
 773         tmp = g_strdup_printf("/ptimer/run_with_delta_0 policy=%s",
 774                               policy_name),
 775         g_memdup(&policy, 1), check_run_with_delta_0, g_free);
 776     g_free(tmp);
 777
 778     g_test_add_data_func_full(
 779         tmp = g_strdup_printf("/ptimer/periodic_with_load_0 policy=%s",
 780                               policy_name),
 781         g_memdup(&policy, 1), check_periodic_with_load_0, g_free);
 782     g_free(tmp);
 783
 784     g_test_add_data_func_full(
 785         tmp = g_strdup_printf("/ptimer/oneshot_with_load_0 policy=%s",
 786                               policy_name),
 787         g_memdup(&policy, 1), check_oneshot_with_load_0, g_free);
 788     g_free(tmp);
 789 }
 790
 791 static void add_all_ptimer_policies_comb_tests(void)
 792 {
 793     int last_policy = PTIMER_POLICY_NO_COUNTER_ROUND_DOWN;
 794     int policy = PTIMER_POLICY_DEFAULT;
 795
 796     for (; policy < (last_policy << 1); policy++) {
 797         add_ptimer_tests(policy);
 798     }
 799 }
 800
 801 int main(int argc, char **argv)
 802 {
 803     int i;
 804
 805     g_test_init(&argc, &argv, NULL);
 806
 807     for (i = 0; i < QEMU_CLOCK_MAX; i++) {
 808         main_loop_tlg.tl[i] = g_new0(QEMUTimerList, 1);
 809     }
 810
 811     add_all_ptimer_policies_comb_tests();
 812
 813     qtest_allowed = true;
 814
 815     return g_test_run();
 816 }