[PATCH 7/8] testsuite: Add tests for sleep calculation
From: Lucas De Marchi <hidden>
Date: 2022-06-03 21:51:15
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: Lucas De Marchi <redacted> --- testsuite/test-util.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+)
diff --git a/testsuite/test-util.c b/testsuite/test-util.c
index 621446b..fb8c9ef 100644
--- a/testsuite/test-util.c
+++ b/testsuite/test-util.c@@ -229,4 +229,45 @@ DEFINE_TEST(test_addu64_overflow, ); +static int test_backoff_time(const struct test *t) +{ + unsigned long long delta; + + /* Check exponential increments */ + get_backoff_delta_msec(now_msec(), now_msec() + 10, &delta); + assert_return(delta == 1, EXIT_FAILURE); + get_backoff_delta_msec(now_msec(), now_msec() + 10, &delta); + assert_return(delta == 2, EXIT_FAILURE); + get_backoff_delta_msec(now_msec(), now_msec() + 10, &delta); + assert_return(delta == 4, EXIT_FAILURE); + get_backoff_delta_msec(now_msec(), now_msec() + 10, &delta); + assert_return(delta == 8, EXIT_FAILURE); + + { + unsigned long long t0, tend; + + /* Check tail */ + delta = 4; + tend = now_msec() + 3; + t0 = tend - 10; + get_backoff_delta_msec(t0, tend, &delta); + assert_return(delta == 2, EXIT_FAILURE); + tend = now_msec() + 1; + t0 = tend - 9; + get_backoff_delta_msec(t0, tend, &delta); + assert_return(delta == 1, EXIT_FAILURE); + tend = now_msec(); + t0 = tend - 10; + get_backoff_delta_msec(t0, tend, &delta); + assert_return(delta == 0, EXIT_FAILURE); + } + + return EXIT_SUCCESS; +} +DEFINE_TEST(test_backoff_time, + .description = "check implementation of get_backoff_delta_msec()", + .need_spawn = false, + ); + + TESTSUITE_MAIN();
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2.36.1