tests/ptimer-test.c

   1 /*
   2  * QTest testcase for the ptimer
   3  *
   4  * Copyright (c) 2016 Dmitry Osipenko <digetx@gmail.com>
   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 }
  77
  78 static void check_set_limit(gconstpointer arg)
  79 {
  80     const uint8_t *policy = arg;
  81     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
  82     ptimer_state *ptimer = ptimer_init(bh, *policy);
  83
  84     triggered = false;
  85
  86     ptimer_set_limit(ptimer, 1000, 0);
  87     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
  88     g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 1000);
  89     g_assert_false(triggered);
  90
  91     ptimer_set_limit(ptimer, 2000, 1);
  92     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 2000);
  93     g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 2000);
  94     g_assert_false(triggered);
  95 }
  96
  97 static void check_oneshot(gconstpointer arg)
  98 {
  99     const uint8_t *policy = arg;
 100     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 101     ptimer_state *ptimer = ptimer_init(bh, *policy);
 102     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 103
 104     triggered = false;
 105
 106     ptimer_set_period(ptimer, 2000000);
 107     ptimer_set_count(ptimer, 10);
 108     ptimer_run(ptimer, 1);
 109
 110     qemu_clock_step(2000000 * 2 + 1);
 111
 112     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 113     g_assert_false(triggered);
 114
 115     ptimer_stop(ptimer);
 116
 117     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 118     g_assert_false(triggered);
 119
 120     qemu_clock_step(2000000 * 11);
 121
 122     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 123     g_assert_false(triggered);
 124
 125     ptimer_run(ptimer, 1);
 126
 127     qemu_clock_step(2000000 * 7 + 1);
 128
 129     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 130
 131     if (no_round_down) {
 132         g_assert_false(triggered);
 133     } else {
 134         g_assert_true(triggered);
 135
 136         triggered = false;
 137     }
 138
 139     qemu_clock_step(2000000);
 140
 141     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 142
 143     if (no_round_down) {
 144         g_assert_true(triggered);
 145
 146         triggered = false;
 147     } else {
 148         g_assert_false(triggered);
 149     }
 150
 151     qemu_clock_step(4000000);
 152
 153     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 154     g_assert_false(triggered);
 155
 156     ptimer_set_count(ptimer, 10);
 157
 158     qemu_clock_step(20000000 + 1);
 159
 160     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
 161     g_assert_false(triggered);
 162
 163     ptimer_set_limit(ptimer, 9, 1);
 164
 165     qemu_clock_step(20000000 + 1);
 166
 167     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
 168     g_assert_false(triggered);
 169
 170     ptimer_run(ptimer, 1);
 171
 172     qemu_clock_step(2000000 + 1);
 173
 174     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 8 : 7);
 175     g_assert_false(triggered);
 176
 177     ptimer_set_count(ptimer, 20);
 178
 179     qemu_clock_step(2000000 * 19 + 1);
 180
 181     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 182     g_assert_false(triggered);
 183
 184     qemu_clock_step(2000000);
 185
 186     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 187     g_assert_true(triggered);
 188
 189     ptimer_stop(ptimer);
 190
 191     triggered = false;
 192
 193     qemu_clock_step(2000000 * 12 + 1);
 194
 195     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 196     g_assert_false(triggered);
 197 }
 198
 199 static void check_periodic(gconstpointer arg)
 200 {
 201     const uint8_t *policy = arg;
 202     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 203     ptimer_state *ptimer = ptimer_init(bh, *policy);
 204     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 205     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 206     bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD);
 207     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 208
 209     triggered = false;
 210
 211     ptimer_set_period(ptimer, 2000000);
 212     ptimer_set_limit(ptimer, 10, 1);
 213     ptimer_run(ptimer, 0);
 214
 215     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
 216     g_assert_false(triggered);
 217
 218     qemu_clock_step(1);
 219
 220     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9);
 221     g_assert_false(triggered);
 222
 223     qemu_clock_step(2000000 * 10 - 1);
 224
 225     g_assert_cmpuint(ptimer_get_count(ptimer), ==, wrap_policy ? 0 : 10);
 226     g_assert_true(triggered);
 227
 228     qemu_clock_step(1);
 229
 230     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 231                      wrap_policy ? 0 : (no_round_down ? 10 : 9));
 232     g_assert_true(triggered);
 233
 234     triggered = false;
 235
 236     qemu_clock_step(2000000);
 237
 238     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 239                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 240     g_assert_false(triggered);
 241
 242     ptimer_set_count(ptimer, 20);
 243
 244     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 20);
 245     g_assert_false(triggered);
 246
 247     qemu_clock_step(1);
 248
 249     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 20 : 19);
 250     g_assert_false(triggered);
 251
 252     qemu_clock_step(2000000 * 11 + 1);
 253
 254     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 9 : 8);
 255     g_assert_false(triggered);
 256
 257     qemu_clock_step(2000000 * 10);
 258
 259     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 260                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 261     g_assert_true(triggered);
 262
 263     triggered = false;
 264
 265     ptimer_set_count(ptimer, 3);
 266
 267     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
 268     g_assert_false(triggered);
 269
 270     qemu_clock_step(1);
 271
 272     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 3 : 2);
 273     g_assert_false(triggered);
 274
 275     qemu_clock_step(2000000 * 4);
 276
 277     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 278                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 279     g_assert_true(triggered);
 280
 281     ptimer_stop(ptimer);
 282     triggered = false;
 283
 284     qemu_clock_step(2000000);
 285
 286     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 287                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 288     g_assert_false(triggered);
 289
 290     ptimer_set_count(ptimer, 3);
 291     ptimer_run(ptimer, 0);
 292
 293     qemu_clock_step(2000000 * 3 + 1);
 294
 295     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 296                      wrap_policy ? 0 : (no_round_down ? 10 : 9));
 297     g_assert_true(triggered);
 298
 299     triggered = false;
 300
 301     qemu_clock_step(2000000);
 302
 303     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 304                     (no_round_down ? 9 : 8) + (wrap_policy ? 1 : 0));
 305     g_assert_false(triggered);
 306
 307     ptimer_set_count(ptimer, 0);
 308     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 309                      no_immediate_reload ? 0 : 10);
 310
 311     if (no_immediate_trigger) {
 312         g_assert_false(triggered);
 313     } else {
 314         g_assert_true(triggered);
 315     }
 316
 317     triggered = false;
 318
 319     qemu_clock_step(1);
 320
 321     if (no_immediate_reload) {
 322         g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 323         g_assert_false(triggered);
 324
 325         qemu_clock_step(2000000);
 326
 327         if (no_immediate_trigger) {
 328             g_assert_true(triggered);
 329         } else {
 330             g_assert_false(triggered);
 331         }
 332
 333         triggered = false;
 334     }
 335
 336     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 10 : 9);
 337     g_assert_false(triggered);
 338
 339     qemu_clock_step(2000000 * 12);
 340
 341     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 342                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 343     g_assert_true(triggered);
 344
 345     ptimer_stop(ptimer);
 346
 347     triggered = false;
 348
 349     qemu_clock_step(2000000 * 10);
 350
 351     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 352                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 353     g_assert_false(triggered);
 354
 355     ptimer_run(ptimer, 0);
 356     ptimer_set_period(ptimer, 0);
 357
 358     qemu_clock_step(2000000 + 1);
 359
 360     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 361                     (no_round_down ? 8 : 7) + (wrap_policy ? 1 : 0));
 362     g_assert_false(triggered);
 363 }
 364
 365 static void check_on_the_fly_mode_change(gconstpointer arg)
 366 {
 367     const uint8_t *policy = arg;
 368     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 369     ptimer_state *ptimer = ptimer_init(bh, *policy);
 370     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 371     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 372
 373     triggered = false;
 374
 375     ptimer_set_period(ptimer, 2000000);
 376     ptimer_set_limit(ptimer, 10, 1);
 377     ptimer_run(ptimer, 1);
 378
 379     qemu_clock_step(2000000 * 9 + 1);
 380
 381     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 382     g_assert_false(triggered);
 383
 384     ptimer_run(ptimer, 0);
 385
 386     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 387     g_assert_false(triggered);
 388
 389     qemu_clock_step(2000000);
 390
 391     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 392                     wrap_policy ? 0 : (no_round_down ? 10 : 9));
 393     g_assert_true(triggered);
 394
 395     triggered = false;
 396
 397     qemu_clock_step(2000000 * 9);
 398
 399     ptimer_run(ptimer, 1);
 400
 401     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 402                      (no_round_down ? 1 : 0) + (wrap_policy ? 1 : 0));
 403     g_assert_false(triggered);
 404
 405     qemu_clock_step(2000000 * 3);
 406
 407     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 408     g_assert_true(triggered);
 409 }
 410
 411 static void check_on_the_fly_period_change(gconstpointer arg)
 412 {
 413     const uint8_t *policy = arg;
 414     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 415     ptimer_state *ptimer = ptimer_init(bh, *policy);
 416     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 417
 418     triggered = false;
 419
 420     ptimer_set_period(ptimer, 2000000);
 421     ptimer_set_limit(ptimer, 8, 1);
 422     ptimer_run(ptimer, 1);
 423
 424     qemu_clock_step(2000000 * 4 + 1);
 425
 426     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 427     g_assert_false(triggered);
 428
 429     ptimer_set_period(ptimer, 4000000);
 430     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 431
 432     qemu_clock_step(4000000 * 2 + 1);
 433
 434     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0);
 435     g_assert_false(triggered);
 436
 437     qemu_clock_step(4000000 * 2);
 438
 439     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 440     g_assert_true(triggered);
 441 }
 442
 443 static void check_on_the_fly_freq_change(gconstpointer arg)
 444 {
 445     const uint8_t *policy = arg;
 446     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 447     ptimer_state *ptimer = ptimer_init(bh, *policy);
 448     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 449
 450     triggered = false;
 451
 452     ptimer_set_freq(ptimer, 500);
 453     ptimer_set_limit(ptimer, 8, 1);
 454     ptimer_run(ptimer, 1);
 455
 456     qemu_clock_step(2000000 * 4 + 1);
 457
 458     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 459     g_assert_false(triggered);
 460
 461     ptimer_set_freq(ptimer, 250);
 462     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 4 : 3);
 463
 464     qemu_clock_step(2000000 * 4 + 1);
 465
 466     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 2 : 0);
 467     g_assert_false(triggered);
 468
 469     qemu_clock_step(2000000 * 4);
 470
 471     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 472     g_assert_true(triggered);
 473 }
 474
 475 static void check_run_with_period_0(gconstpointer arg)
 476 {
 477     const uint8_t *policy = arg;
 478     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 479     ptimer_state *ptimer = ptimer_init(bh, *policy);
 480
 481     triggered = false;
 482
 483     ptimer_set_count(ptimer, 99);
 484     ptimer_run(ptimer, 1);
 485
 486     qemu_clock_step(10 * NANOSECONDS_PER_SECOND);
 487
 488     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
 489     g_assert_false(triggered);
 490 }
 491
 492 static void check_run_with_delta_0(gconstpointer arg)
 493 {
 494     const uint8_t *policy = arg;
 495     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 496     ptimer_state *ptimer = ptimer_init(bh, *policy);
 497     bool wrap_policy = (*policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD);
 498     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 499     bool no_immediate_reload = (*policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD);
 500     bool no_round_down = (*policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN);
 501
 502     triggered = false;
 503
 504     ptimer_set_period(ptimer, 2000000);
 505     ptimer_set_limit(ptimer, 99, 0);
 506     ptimer_run(ptimer, 1);
 507     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 508                      no_immediate_reload ? 0 : 99);
 509
 510     if (no_immediate_trigger) {
 511         g_assert_false(triggered);
 512     } else {
 513         g_assert_true(triggered);
 514     }
 515
 516     triggered = false;
 517
 518     if (no_immediate_trigger || no_immediate_reload) {
 519         qemu_clock_step(2000000 + 1);
 520
 521         g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 522                          no_immediate_reload ? 0 : (no_round_down ? 98 : 97));
 523
 524         if (no_immediate_trigger && no_immediate_reload) {
 525             g_assert_true(triggered);
 526
 527             triggered = false;
 528         } else {
 529             g_assert_false(triggered);
 530         }
 531
 532         ptimer_set_count(ptimer, 99);
 533         ptimer_run(ptimer, 1);
 534     }
 535
 536     qemu_clock_step(2000000 + 1);
 537
 538     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97);
 539     g_assert_false(triggered);
 540
 541     qemu_clock_step(2000000 * 97);
 542
 543     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 1 : 0);
 544     g_assert_false(triggered);
 545
 546     qemu_clock_step(2000000 * 2);
 547
 548     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 549     g_assert_true(triggered);
 550
 551     triggered = false;
 552
 553     ptimer_set_count(ptimer, 0);
 554     ptimer_run(ptimer, 0);
 555     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 556                      no_immediate_reload ? 0 : 99);
 557
 558     if (no_immediate_trigger) {
 559         g_assert_false(triggered);
 560     } else {
 561         g_assert_true(triggered);
 562     }
 563
 564     triggered = false;
 565
 566     qemu_clock_step(1);
 567
 568     if (no_immediate_reload) {
 569         qemu_clock_step(2000000);
 570     }
 571
 572     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 99 : 98);
 573
 574     if (no_immediate_reload && no_immediate_trigger) {
 575         g_assert_true(triggered);
 576     } else {
 577         g_assert_false(triggered);
 578     }
 579
 580     triggered = false;
 581
 582     qemu_clock_step(2000000);
 583
 584     g_assert_cmpuint(ptimer_get_count(ptimer), ==, no_round_down ? 98 : 97);
 585     g_assert_false(triggered);
 586
 587     qemu_clock_step(2000000 * 98);
 588
 589     g_assert_cmpuint(ptimer_get_count(ptimer), ==,
 590                     wrap_policy ? 0 : (no_round_down ? 99 : 98));
 591     g_assert_true(triggered);
 592
 593     ptimer_stop(ptimer);
 594 }
 595
 596 static void check_periodic_with_load_0(gconstpointer arg)
 597 {
 598     const uint8_t *policy = arg;
 599     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 600     ptimer_state *ptimer = ptimer_init(bh, *policy);
 601     bool continuous_trigger = (*policy & PTIMER_POLICY_CONTINUOUS_TRIGGER);
 602     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 603
 604     triggered = false;
 605
 606     ptimer_set_period(ptimer, 2000000);
 607     ptimer_run(ptimer, 0);
 608
 609     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 610
 611     if (no_immediate_trigger) {
 612         g_assert_false(triggered);
 613     } else {
 614         g_assert_true(triggered);
 615     }
 616
 617     triggered = false;
 618
 619     qemu_clock_step(2000000 + 1);
 620
 621     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 622
 623     if (continuous_trigger || no_immediate_trigger) {
 624         g_assert_true(triggered);
 625     } else {
 626         g_assert_false(triggered);
 627     }
 628
 629     triggered = false;
 630
 631     ptimer_set_count(ptimer, 10);
 632     ptimer_run(ptimer, 0);
 633
 634     qemu_clock_step(2000000 * 10 + 1);
 635
 636     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 637     g_assert_true(triggered);
 638
 639     triggered = false;
 640
 641     qemu_clock_step(2000000 + 1);
 642
 643     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 644
 645     if (continuous_trigger) {
 646         g_assert_true(triggered);
 647     } else {
 648         g_assert_false(triggered);
 649     }
 650
 651     ptimer_stop(ptimer);
 652 }
 653
 654 static void check_oneshot_with_load_0(gconstpointer arg)
 655 {
 656     const uint8_t *policy = arg;
 657     QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
 658     ptimer_state *ptimer = ptimer_init(bh, *policy);
 659     bool no_immediate_trigger = (*policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER);
 660
 661     triggered = false;
 662
 663     ptimer_set_period(ptimer, 2000000);
 664     ptimer_run(ptimer, 1);
 665
 666     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 667
 668     if (no_immediate_trigger) {
 669         g_assert_false(triggered);
 670     } else {
 671         g_assert_true(triggered);
 672     }
 673
 674     triggered = false;
 675
 676     qemu_clock_step(2000000 + 1);
 677
 678     g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
 679
 680     if (no_immediate_trigger) {
 681         g_assert_true(triggered);
 682     } else {
 683         g_assert_false(triggered);
 684     }
 685 }
 686
 687 static void add_ptimer_tests(uint8_t policy)
 688 {
 689     uint8_t *ppolicy = g_malloc(1);
 690     char *policy_name = g_malloc0(256);
 691
 692     *ppolicy = policy;
 693
 694     if (policy == PTIMER_POLICY_DEFAULT) {
 695         g_sprintf(policy_name, "default");
 696     }
 697
 698     if (policy & PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD) {
 699         g_strlcat(policy_name, "wrap_after_one_period,", 256);
 700     }
 701
 702     if (policy & PTIMER_POLICY_CONTINUOUS_TRIGGER) {
 703         g_strlcat(policy_name, "continuous_trigger,", 256);
 704     }
 705
 706     if (policy & PTIMER_POLICY_NO_IMMEDIATE_TRIGGER) {
 707         g_strlcat(policy_name, "no_immediate_trigger,", 256);
 708     }
 709
 710     if (policy & PTIMER_POLICY_NO_IMMEDIATE_RELOAD) {
 711         g_strlcat(policy_name, "no_immediate_reload,", 256);
 712     }
 713
 714     if (policy & PTIMER_POLICY_NO_COUNTER_ROUND_DOWN) {
 715         g_strlcat(policy_name, "no_counter_rounddown,", 256);
 716     }
 717
 718     g_test_add_data_func(
 719         g_strdup_printf("/ptimer/set_count policy=%s", policy_name),
 720         ppolicy, check_set_count);
 721
 722     g_test_add_data_func(
 723         g_strdup_printf("/ptimer/set_limit policy=%s", policy_name),
 724         ppolicy, check_set_limit);
 725
 726     g_test_add_data_func(
 727         g_strdup_printf("/ptimer/oneshot policy=%s", policy_name),
 728         ppolicy, check_oneshot);
 729
 730     g_test_add_data_func(
 731         g_strdup_printf("/ptimer/periodic policy=%s", policy_name),
 732         ppolicy, check_periodic);
 733
 734     g_test_add_data_func(
 735         g_strdup_printf("/ptimer/on_the_fly_mode_change policy=%s", policy_name),
 736         ppolicy, check_on_the_fly_mode_change);
 737
 738     g_test_add_data_func(
 739         g_strdup_printf("/ptimer/on_the_fly_period_change policy=%s", policy_name),
 740         ppolicy, check_on_the_fly_period_change);
 741
 742     g_test_add_data_func(
 743         g_strdup_printf("/ptimer/on_the_fly_freq_change policy=%s", policy_name),
 744         ppolicy, check_on_the_fly_freq_change);
 745
 746     g_test_add_data_func(
 747         g_strdup_printf("/ptimer/run_with_period_0 policy=%s", policy_name),
 748         ppolicy, check_run_with_period_0);
 749
 750     g_test_add_data_func(
 751         g_strdup_printf("/ptimer/run_with_delta_0 policy=%s", policy_name),
 752         ppolicy, check_run_with_delta_0);
 753
 754     g_test_add_data_func(
 755         g_strdup_printf("/ptimer/periodic_with_load_0 policy=%s", policy_name),
 756         ppolicy, check_periodic_with_load_0);
 757
 758     g_test_add_data_func(
 759         g_strdup_printf("/ptimer/oneshot_with_load_0 policy=%s", policy_name),
 760         ppolicy, check_oneshot_with_load_0);
 761 }
 762
 763 static void add_all_ptimer_policies_comb_tests(void)
 764 {
 765     int last_policy = PTIMER_POLICY_NO_COUNTER_ROUND_DOWN;
 766     int policy = PTIMER_POLICY_DEFAULT;
 767
 768     for (; policy < (last_policy << 1); policy++) {
 769         add_ptimer_tests(policy);
 770     }
 771 }
 772
 773 int main(int argc, char **argv)
 774 {
 775     int i;
 776
 777     g_test_init(&argc, &argv, NULL);
 778
 779     for (i = 0; i < QEMU_CLOCK_MAX; i++) {
 780         main_loop_tlg.tl[i] = g_new0(QEMUTimerList, 1);
 781     }
 782
 783     add_all_ptimer_policies_comb_tests();
 784
 785     qtest_allowed = true;
 786
 787     return g_test_run();
 788 }