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-rw-r--r--tests/ptimer-test.c568
1 files changed, 568 insertions, 0 deletions
diff --git a/tests/ptimer-test.c b/tests/ptimer-test.c
new file mode 100644
index 0000000000..f207eeb0eb
--- /dev/null
+++ b/tests/ptimer-test.c
@@ -0,0 +1,568 @@
+/*
+ * QTest testcase for the ptimer
+ *
+ * Author: Dmitry Osipenko <digetx@gmail.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include <glib/gprintf.h>
+
+#include "qemu/osdep.h"
+#include "qemu/main-loop.h"
+#include "hw/ptimer.h"
+
+#include "libqtest.h"
+#include "ptimer-test.h"
+
+static bool triggered;
+
+static void ptimer_trigger(void *opaque)
+{
+ triggered = true;
+}
+
+static void ptimer_test_expire_qemu_timers(int64_t expire_time,
+ QEMUClockType type)
+{
+ QEMUTimerList *timer_list = main_loop_tlg.tl[type];
+ QEMUTimer *t = timer_list->active_timers.next;
+
+ while (t != NULL) {
+ if (t->expire_time == expire_time) {
+ timer_del(t);
+
+ if (t->cb != NULL) {
+ t->cb(t->opaque);
+ }
+ }
+
+ t = t->next;
+ }
+}
+
+static void ptimer_test_set_qemu_time_ns(int64_t ns)
+{
+ ptimer_test_time_ns = ns;
+}
+
+static void qemu_clock_step(uint64_t ns)
+{
+ int64_t deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
+ int64_t advanced_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ns;
+
+ while (deadline != -1 && deadline <= advanced_time) {
+ ptimer_test_set_qemu_time_ns(deadline);
+ ptimer_test_expire_qemu_timers(deadline, QEMU_CLOCK_VIRTUAL);
+ deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
+ }
+
+ ptimer_test_set_qemu_time_ns(advanced_time);
+}
+
+static void check_set_count(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_count(ptimer, 1000);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 1000);
+ g_assert_false(triggered);
+}
+
+static void check_set_limit(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_limit(ptimer, 1000, 0);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 1000);
+ g_assert_false(triggered);
+
+ ptimer_set_limit(ptimer, 2000, 1);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 2000);
+ g_assert_cmpuint(ptimer_get_limit(ptimer), ==, 2000);
+ g_assert_false(triggered);
+}
+
+static void check_oneshot(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_period(ptimer, 2000000);
+ ptimer_set_count(ptimer, 10);
+ ptimer_run(ptimer, 1);
+
+ qemu_clock_step(2000000 * 2 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
+ g_assert_false(triggered);
+
+ ptimer_stop(ptimer);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000 * 11);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
+ g_assert_false(triggered);
+
+ ptimer_run(ptimer, 1);
+
+ qemu_clock_step(2000000 * 7 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ qemu_clock_step(4000000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ ptimer_set_count(ptimer, 10);
+
+ qemu_clock_step(20000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
+ g_assert_false(triggered);
+
+ ptimer_set_limit(ptimer, 9, 1);
+
+ qemu_clock_step(20000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
+ g_assert_false(triggered);
+
+ ptimer_run(ptimer, 1);
+
+ qemu_clock_step(2000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
+ g_assert_false(triggered);
+
+ ptimer_set_count(ptimer, 20);
+
+ qemu_clock_step(2000000 * 19 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+
+ ptimer_stop(ptimer);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 * 12 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+}
+
+static void check_periodic(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_period(ptimer, 2000000);
+ ptimer_set_limit(ptimer, 10, 1);
+ ptimer_run(ptimer, 0);
+
+ qemu_clock_step(2000000 * 10 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
+ g_assert_false(triggered);
+
+ ptimer_set_count(ptimer, 20);
+
+ qemu_clock_step(2000000 * 11 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000 * 10);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
+ g_assert_true(triggered);
+
+ ptimer_stop(ptimer);
+ triggered = false;
+
+ qemu_clock_step(2000000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
+ g_assert_false(triggered);
+
+ ptimer_set_count(ptimer, 3);
+ ptimer_run(ptimer, 0);
+
+ qemu_clock_step(2000000 * 3 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 8);
+ g_assert_false(triggered);
+
+ ptimer_set_count(ptimer, 0);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 10);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 * 12 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
+ g_assert_true(triggered);
+
+ ptimer_stop(ptimer);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 * 12 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
+ g_assert_false(triggered);
+
+ ptimer_run(ptimer, 0);
+ ptimer_set_period(ptimer, 0);
+
+ qemu_clock_step(2000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 7);
+ g_assert_false(triggered);
+}
+
+static void check_on_the_fly_mode_change(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_period(ptimer, 2000000);
+ ptimer_set_limit(ptimer, 10, 1);
+ ptimer_run(ptimer, 1);
+
+ qemu_clock_step(2000000 * 9 + 100000);
+
+ ptimer_run(ptimer, 0);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 9);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 * 9);
+
+ ptimer_run(ptimer, 1);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000 * 3);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+}
+
+static void check_on_the_fly_period_change(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_period(ptimer, 2000000);
+ ptimer_set_limit(ptimer, 8, 1);
+ ptimer_run(ptimer, 1);
+
+ qemu_clock_step(2000000 * 4 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
+ g_assert_false(triggered);
+
+ ptimer_set_period(ptimer, 4000000);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
+
+ qemu_clock_step(4000000 * 2 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ qemu_clock_step(4000000 * 2);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+}
+
+static void check_on_the_fly_freq_change(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_freq(ptimer, 500);
+ ptimer_set_limit(ptimer, 8, 1);
+ ptimer_run(ptimer, 1);
+
+ qemu_clock_step(2000000 * 4 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
+ g_assert_false(triggered);
+
+ ptimer_set_freq(ptimer, 250);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 3);
+
+ qemu_clock_step(2000000 * 4 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000 * 4);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+}
+
+static void check_run_with_period_0(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_count(ptimer, 99);
+ ptimer_run(ptimer, 1);
+
+ qemu_clock_step(10 * NANOSECONDS_PER_SECOND);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
+ g_assert_false(triggered);
+}
+
+static void check_run_with_delta_0(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_period(ptimer, 2000000);
+ ptimer_set_limit(ptimer, 99, 0);
+ ptimer_run(ptimer, 1);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 97);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000 * 97);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000 * 2);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ ptimer_set_count(ptimer, 0);
+ ptimer_run(ptimer, 0);
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 99);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 97);
+ g_assert_false(triggered);
+
+ qemu_clock_step(2000000 * 98);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 98);
+ g_assert_true(triggered);
+
+ ptimer_stop(ptimer);
+}
+
+static void check_periodic_with_load_0(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_period(ptimer, 2000000);
+ ptimer_run(ptimer, 0);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ ptimer_stop(ptimer);
+}
+
+static void check_oneshot_with_load_0(gconstpointer arg)
+{
+ const uint8_t *policy = arg;
+ QEMUBH *bh = qemu_bh_new(ptimer_trigger, NULL);
+ ptimer_state *ptimer = ptimer_init(bh, *policy);
+
+ triggered = false;
+
+ ptimer_set_period(ptimer, 2000000);
+ ptimer_run(ptimer, 1);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_true(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 + 100000);
+
+ g_assert_cmpuint(ptimer_get_count(ptimer), ==, 0);
+ g_assert_false(triggered);
+
+ triggered = false;
+
+ qemu_clock_step(2000000 + 100000);
+
+ g_assert_false(triggered);
+}
+
+static void add_ptimer_tests(uint8_t policy)
+{
+ uint8_t *ppolicy = g_malloc(1);
+ char *policy_name = g_malloc(64);
+
+ *ppolicy = policy;
+
+ if (policy == PTIMER_POLICY_DEFAULT) {
+ g_sprintf(policy_name, "default");
+ }
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/set_count policy=%s", policy_name),
+ ppolicy, check_set_count);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/set_limit policy=%s", policy_name),
+ ppolicy, check_set_limit);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/oneshot policy=%s", policy_name),
+ ppolicy, check_oneshot);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/periodic policy=%s", policy_name),
+ ppolicy, check_periodic);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/on_the_fly_mode_change policy=%s", policy_name),
+ ppolicy, check_on_the_fly_mode_change);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/on_the_fly_period_change policy=%s", policy_name),
+ ppolicy, check_on_the_fly_period_change);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/on_the_fly_freq_change policy=%s", policy_name),
+ ppolicy, check_on_the_fly_freq_change);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/run_with_period_0 policy=%s", policy_name),
+ ppolicy, check_run_with_period_0);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/run_with_delta_0 policy=%s", policy_name),
+ ppolicy, check_run_with_delta_0);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/periodic_with_load_0 policy=%s", policy_name),
+ ppolicy, check_periodic_with_load_0);
+
+ qtest_add_data_func(
+ g_strdup_printf("/ptimer/oneshot_with_load_0 policy=%s", policy_name),
+ ppolicy, check_oneshot_with_load_0);
+}
+
+int main(int argc, char **argv)
+{
+ int i;
+
+ g_test_init(&argc, &argv, NULL);
+
+ for (i = 0; i < QEMU_CLOCK_MAX; i++) {
+ main_loop_tlg.tl[i] = g_new0(QEMUTimerList, 1);
+ }
+
+ add_ptimer_tests(PTIMER_POLICY_DEFAULT);
+
+ qtest_allowed = true;
+
+ return g_test_run();
+}
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