diff options
Diffstat (limited to 'deps/jemalloc/test/unit/ticker.c')
| -rw-r--r-- | deps/jemalloc/test/unit/ticker.c | 65 |
1 files changed, 46 insertions, 19 deletions
diff --git a/deps/jemalloc/test/unit/ticker.c b/deps/jemalloc/test/unit/ticker.c index e5790a316..0dd778619 100644 --- a/deps/jemalloc/test/unit/ticker.c +++ b/deps/jemalloc/test/unit/ticker.c @@ -11,16 +11,16 @@ TEST_BEGIN(test_ticker_tick) { ticker_init(&ticker, NTICKS); for (i = 0; i < NREPS; i++) { for (j = 0; j < NTICKS; j++) { - assert_u_eq(ticker_read(&ticker), NTICKS - j, + expect_u_eq(ticker_read(&ticker), NTICKS - j, "Unexpected ticker value (i=%d, j=%d)", i, j); - assert_false(ticker_tick(&ticker), + expect_false(ticker_tick(&ticker), "Unexpected ticker fire (i=%d, j=%d)", i, j); } - assert_u32_eq(ticker_read(&ticker), 0, + expect_u32_eq(ticker_read(&ticker), 0, "Expected ticker depletion"); - assert_true(ticker_tick(&ticker), + expect_true(ticker_tick(&ticker), "Expected ticker fire (i=%d)", i); - assert_u32_eq(ticker_read(&ticker), NTICKS, + expect_u32_eq(ticker_read(&ticker), NTICKS, "Expected ticker reset"); } #undef NTICKS @@ -33,14 +33,14 @@ TEST_BEGIN(test_ticker_ticks) { ticker_init(&ticker, NTICKS); - assert_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value"); - assert_false(ticker_ticks(&ticker, NTICKS), "Unexpected ticker fire"); - assert_u_eq(ticker_read(&ticker), 0, "Unexpected ticker value"); - assert_true(ticker_ticks(&ticker, NTICKS), "Expected ticker fire"); - assert_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value"); + expect_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value"); + expect_false(ticker_ticks(&ticker, NTICKS), "Unexpected ticker fire"); + expect_u_eq(ticker_read(&ticker), 0, "Unexpected ticker value"); + expect_true(ticker_ticks(&ticker, NTICKS), "Expected ticker fire"); + expect_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value"); - assert_true(ticker_ticks(&ticker, NTICKS + 1), "Expected ticker fire"); - assert_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value"); + expect_true(ticker_ticks(&ticker, NTICKS + 1), "Expected ticker fire"); + expect_u_eq(ticker_read(&ticker), NTICKS, "Unexpected ticker value"); #undef NTICKS } TEST_END @@ -51,23 +51,50 @@ TEST_BEGIN(test_ticker_copy) { ticker_init(&ta, NTICKS); ticker_copy(&tb, &ta); - assert_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value"); - assert_true(ticker_ticks(&tb, NTICKS + 1), "Expected ticker fire"); - assert_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value"); + expect_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value"); + expect_true(ticker_ticks(&tb, NTICKS + 1), "Expected ticker fire"); + expect_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value"); ticker_tick(&ta); ticker_copy(&tb, &ta); - assert_u_eq(ticker_read(&tb), NTICKS - 1, "Unexpected ticker value"); - assert_true(ticker_ticks(&tb, NTICKS), "Expected ticker fire"); - assert_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value"); + expect_u_eq(ticker_read(&tb), NTICKS - 1, "Unexpected ticker value"); + expect_true(ticker_ticks(&tb, NTICKS), "Expected ticker fire"); + expect_u_eq(ticker_read(&tb), NTICKS, "Unexpected ticker value"); #undef NTICKS } TEST_END +TEST_BEGIN(test_ticker_geom) { + const int32_t ticks = 100; + const uint64_t niters = 100 * 1000; + + ticker_geom_t ticker; + ticker_geom_init(&ticker, ticks); + uint64_t total_ticks = 0; + /* Just some random constant. */ + uint64_t prng_state = 0x343219f93496db9fULL; + for (uint64_t i = 0; i < niters; i++) { + while(!ticker_geom_tick(&ticker, &prng_state)) { + total_ticks++; + } + } + /* + * In fact, with this choice of random seed and the PRNG implementation + * used at the time this was tested, total_ticks is 95.1% of the + * expected ticks. + */ + expect_u64_ge(total_ticks , niters * ticks * 9 / 10, + "Mean off by > 10%%"); + expect_u64_le(total_ticks , niters * ticks * 11 / 10, + "Mean off by > 10%%"); +} +TEST_END + int main(void) { return test( test_ticker_tick, test_ticker_ticks, - test_ticker_copy); + test_ticker_copy, + test_ticker_geom); } |