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* test_hexdump: print statistics at the endAndy Shevchenko2016-01-201-3/+23
| | | | | | | | | | Like others test are doing print the gathered statistics after test module is finished. Return from the module based on the result. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: test all possible group sizes for overflowAndy Shevchenko2016-01-201-3/+18
| | | | | | | | | | | Currently the only one combination is tested for overflow, i.e. rowsize = 16, groupsize = 1, len = 1. Do various test to go through all possible branches. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: check all bytes in real bufferAndy Shevchenko2016-01-201-21/+17
| | | | | | | | | | | | | | | | | | | | After processing by hex_dump_to_buffer() check all the parts to be expected. Part 1. The actual expected hex dump with or without ASCII part. Part 2. Check if the buffer is dirty beyond needed. Part 3. Return code should be as expected. This is done by using comparison of the return code and memcmp() against the test buffer. We fill the buffer by FILL_CHAR ('#') characters, so, we expect to have a tail of the buffer will be left untouched. The terminating NUL is also checked by memcmp(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: switch to memcmp()Andy Shevchenko2016-01-201-3/+3
| | | | | | | | | Better to use memcmp() against entire buffer to check that nothing is happened to the data in the tail. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: replace magic numbers by their meaningAndy Shevchenko2016-01-201-4/+13
| | | | | | | | | | | | | The magic numbers of the length are converted to their actual meaning, such as end of the buffer with and without ASCII part. We don't touch the rest of the magic constants that will be removed in the following commits. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: go through all possible lengths of bufferAndy Shevchenko2016-01-201-14/+13
| | | | | | | | | | When test for overflow do iterate the buffer length in a range 0 .. BUF_SIZE. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: define FILL_CHAR constantAndy Shevchenko2016-01-201-6/+13
| | | | | | | | | | | | | Define a character to fill the test buffers. Though the character should be printable since it's used when errors are reported. It should neither be from hex digit [a-fA-F0-9] dictionary nor space. It is recommended not to use one which is present in ASCII part of the test data. Later on we might switch to unprintable character to make test case more robust. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: introduce test_hexdump_prepare_test() helperAndy Shevchenko2016-01-201-7/+19
| | | | | | | | | The function prepares the expected result in the provided buffer. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* test_hexdump: rename to test_hexdumpAndy Shevchenko2016-01-201-0/+180
The test suite currently doesn't cover many corner cases when hex_dump_to_buffer() runs into overflow. Refactor and amend test suite to cover most of the cases. This patch (of 9): Just to follow the scheme that most of the test modules are using. There is no fuctional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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