SUSE Linux Leap Year Testing Results

This document (3663614) is provided subject to the disclaimer at the end of this document.

Environment

- SLES9 SP4 (i386, x86_64, ppc, ia64, s390, s390x)
- SLES 10 SP1 (i386, x86_64, ppc, ia64, s390x)
- SLES 10 SP2 (i386, x86_64, ppc, ia64, s390x)
- SLES 10 SP3 (i386, x86_64, ppc, ia64, s390x)
- SLES 10 SP4 (i386, x86_64, ppc, ia64, s390x)
- SLES 11 (i386, x86_64, ppc, ia64, s390x)
- SLES 11 SP1 (i386, x86_64, ppc, ia64, s390x)

- SLES 11 SP2 (i386, x86_64, ppc, ia64, s390x)

- SLES 11 SP3 (i386, x86_64, ppc, ia64, s390x)

- SLES 11 SP4 (i386, x86_64, ppc, ia64, s390x)

- SLES 12(x86_64, ppc64le, s390x)

- SLES 12 SP1 (x86_64, ppc64le, s390x)

- SLES 12 SP2 (x86_64, ppc64le, s390x, ARM)

- SLES 12 SP3 (x86_64, ppc64le, s390x, ARM)

- SLES 12 SP4 (x86_64, ppc64le, s390x, ARM)

- SLES 12 SP5 (x86_64, ppc64le, s390x, ARM)

- SLES 15 (x86_64, ppc64le, s390x, ARM)

- SLES15 SP1 (x86_64, ppc64le, s390x, ARM)

- SLES15 SP2 (x86_64, ppc64le, s390x, ARM)

Situation

SUSE Linux Enterprise Products have been tested to ensure that they handle Leap Year date adjustments.

Testing Methodology:

For each YEAR in the range from 1970 to 2038:
1- Script created that creates the date "02/28/YEAR 23:59"
2- Add 120 seconds to this date (using the "date" command)
3- Check that the result is 02/29/YEAR (for leap year) or 03/01/YEAR (for non-leap year)
4- In the case that the YEAR is a leap year, add 1 day + 120 seconds to the original date (using the "date" command)
5- Check that the result is 03/01/YEAR

Since the "date" command is internally using gettimeofday/ctime functions from glibc, the functionality of these functions are stressed (with regard to leap years).

Resolution

Results:

- SLES9 SP4 (i386, x86_64, ppc, ia64, s390, s390x): PASSED
- SLES 10 SP1 (i386, x86_64, ppc, ia64, s390x): PASSED
- SLES 10 SP2 (i386, x86_64, ppc, ia64, s390x): PASSED
- SLES 10 SP3 (i386, x86_64, ppc, ia64, s390x): PASSED
- SLES 10 SP4 (i386, x86_64, ppc, ia64, s390x): PASSED
- SLES 11 (i386, x86_64, ppc, ia64, s390x): PASSED
- SLES 11 SP1 (i386, x86_64, ppc, ia64, s390x): PASSED
- SLES 11 SP2 (i386, x86_64, ppc, ia64, s390x): PASSED

- SLES 11 SP3 (i386, x86_64, ppc, ia64, s390x): PASSED

- SLES 11 SP4 (i386, x86_64, ppc, ia64, s390x): PASSED

- SLES 12(x86_64, ppc64le, s390x): PASSED

- SLES 12 SP1 (x86_64, ppc64le, s390x) PASSED

- SLES 12 SP2 (x86_64, ppc64le, s390x, ARM) PASSED

- SLES 12 SP3 (x86_64, ppc64le, s390x, ARM) PASSED

- SLES 12 SP4 (x86_64, ppc64le, s390x, ARM) PASSED

- SLES 12 SP5 (x86_64, ppc64le, s390x, ARM) PASSED

- SLES 15 (x86_64, ppc64le, s390x, ARM) PASSED

- SLES15 SP1 (x86_64, ppc64le, s390x, ARM) PASSED

- SLES15 SP2 (x86_64, ppc64le, s390x, ARM) PASSED

Additional Information

Disclaimer

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