| // SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| /* |
| * Copyright 2015-2016 IBM Corp. |
| */ |
| |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <assert.h> |
| |
| #define __TEST__ |
| #include <timebase.h> |
| |
| unsigned long tb_hz = 512000000; |
| |
| int main(void) |
| { |
| /* This is a fairly solid assumption that the math we're doing |
| * is based on tb_hz of exactly 512mhz. |
| * If we do start doing the math on different tb_hz, you probably |
| * want to go and audit every bit of code that touches tb to |
| * count/delay things. |
| */ |
| assert(tb_hz == 512000000); |
| assert(secs_to_tb(1) == tb_hz); |
| assert(secs_to_tb(2) == 1024000000); |
| assert(secs_to_tb(10) == 5120000000); |
| assert(tb_to_secs(512000000) == 1); |
| assert(tb_to_secs(5120000000) == 10); |
| assert(tb_to_secs(1024000000) == 2); |
| |
| assert(msecs_to_tb(1) == 512000); |
| assert(msecs_to_tb(100) == 51200000); |
| assert(msecs_to_tb(5) == 2560000); |
| assert(tb_to_msecs(512000) == 1); |
| |
| assert(usecs_to_tb(5) == 2560); |
| assert(tb_to_usecs(2560) == 5); |
| assert(usecs_to_tb(5)*1000 == msecs_to_tb(5)); |
| assert(tb_to_usecs(512000) == 1000); |
| |
| assert(tb_compare(msecs_to_tb(5), usecs_to_tb(5)) == TB_AAFTERB); |
| assert(tb_compare(msecs_to_tb(5), usecs_to_tb(50000)) == TB_ABEFOREB); |
| assert(tb_compare(msecs_to_tb(5), usecs_to_tb(5)*1000) == TB_AEQUALB); |
| |
| return 0; |
| } |