src/jemalloc/test/unit/ticker.c

   1 #include "test/jemalloc_test.h"
   2
   3 TEST_BEGIN(test_ticker_tick)
   4 {
   5 #define NREPS 2
   6 #define NTICKS 3
   7         ticker_t ticker;
   8         int32_t i, j;
   9
  10         ticker_init(&ticker, NTICKS);
  11         for (i = 0; i < NREPS; i++) {
  12                 for (j = 0; j < NTICKS; j++) {
  13                         assert_u_eq(ticker_read(&ticker), NTICKS - j,
  14                             "Unexpected ticker value (i=%d, j=%d)", i, j);
  15                         assert_false(ticker_tick(&ticker),
  16                             "Unexpected ticker fire (i=%d, j=%d)", i, j);
  17                 }
  18                 assert_u32_eq(ticker_read(&ticker), 0,
  19                     "Expected ticker depletion");
  20                 assert_true(ticker_tick(&ticker),
  21                     "Expected ticker fire (i=%d)", i);
  22                 assert_u32_eq(ticker_read(&ticker), NTICKS,
  23                     "Expected ticker reset");
  24         }
  25 #undef NTICKS
  26 }
  27 TEST_END
  28
  29 TEST_BEGIN(test_ticker_ticks)
  30 {
  31 #define NTICKS 3
  32         ticker_t ticker;
  33
  34         ticker_init(&ticker, NTICKS);
  35
  36         assert_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value");
  37         assert_false(ticker_ticks(&ticker, NTICKS), "Unexpected ticker fire");
  38         assert_u_eq(ticker_read(&ticker), 0, "Unexpected ticker value");
  39         assert_true(ticker_ticks(&ticker, NTICKS), "Expected ticker fire");
  40         assert_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value");
  41
  42         assert_true(ticker_ticks(&ticker, NTICKS + 1), "Expected ticker fire");
  43         assert_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value");
  44 #undef NTICKS
  45 }
  46 TEST_END
  47
  48 TEST_BEGIN(test_ticker_copy)
  49 {
  50 #define NTICKS 3
  51         ticker_t ta, tb;
  52
  53         ticker_init(&ta, NTICKS);
  54         ticker_copy(&tb, &ta);
  55         assert_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value");
  56         assert_true(ticker_ticks(&tb, NTICKS + 1), "Expected ticker fire");
  57         assert_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value");
  58
  59         ticker_tick(&ta);
  60         ticker_copy(&tb, &ta);
  61         assert_u_eq(ticker_read(&tb), NTICKS - 1, "Unexpected ticker value");
  62         assert_true(ticker_ticks(&tb, NTICKS), "Expected ticker fire");
  63         assert_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value");
  64 #undef NTICKS
  65 }
  66 TEST_END
  67
  68 int
  69 main(void)
  70 {
  71
  72         return (test(
  73             test_ticker_tick,
  74             test_ticker_ticks,
  75             test_ticker_copy));
  76 }