diff options
Diffstat (limited to 'lib/libutil/tests/humanize_number_test.c')
| -rw-r--r-- | lib/libutil/tests/humanize_number_test.c | 598 |
1 files changed, 598 insertions, 0 deletions
diff --git a/lib/libutil/tests/humanize_number_test.c b/lib/libutil/tests/humanize_number_test.c new file mode 100644 index 0000000..2d66204 --- /dev/null +++ b/lib/libutil/tests/humanize_number_test.c @@ -0,0 +1,598 @@ +/*- + * Copyright 2012 Clifton Royston + * Copyright 2013 John-Mark Gurney + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + * + */ + +#include <sys/param.h> +#include <inttypes.h> +#include <libutil.h> +#include <limits.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define MAX_STR_FLAGS_RESULT 80 +#define MAX_INT_STR_DIGITS 12 + +static const int64_t halfExabyte = (int64_t)500*1000*1000*1000*1000*1000L; + +static struct { + int retval; + const char *res; + int64_t num; + int flags; + int scale; +} test_args[] = { + /* tests 0-13 test 1000 suffixes */ + { 2, "0 ", (int64_t)0L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 k", (int64_t)500L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 M", (int64_t)500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 G", (int64_t)500*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 T", (int64_t)500*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 P", (int64_t)500*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 E", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 2, "1 ", (int64_t)1L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "2 k", (int64_t)1500L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "2 M", (int64_t)1500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "2 G", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "2 T", (int64_t)1500*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "2 P", (int64_t)1500*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "2 E", (int64_t)1500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + + /* tests 14-27 test 1024 suffixes */ + { 2, "0 ", (int64_t)0L, 0, HN_AUTOSCALE }, + { 3, "1 K", (int64_t)512L, 0, HN_AUTOSCALE }, + { 3, "1 M", (int64_t)512*1024L, 0, HN_AUTOSCALE }, + { 3, "1 G", (int64_t)512*1024*1024L, 0, HN_AUTOSCALE }, + { 3, "1 T", (int64_t)512*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 3, "1 P", (int64_t)512*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 3, "1 E", (int64_t)512*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 2, "1 ", (int64_t)1L, 0, HN_AUTOSCALE }, + { 3, "2 K", (int64_t)1536L, 0, HN_AUTOSCALE }, + { 3, "2 M", (int64_t)1536*1024L, 0, HN_AUTOSCALE }, + { 3, "2 G", (int64_t)1536*1024*1024L, 0, HN_AUTOSCALE }, + { 3, "2 T", (int64_t)1536*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 3, "2 P", (int64_t)1536*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 3, "2 E", (int64_t)1536*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + + /* tests 28-37 test rounding */ + { 3, "0 M", (int64_t)500*1000L-1, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 M", (int64_t)500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "1 M", (int64_t)1000*1000L + 500*1000L-1, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "2 M", (int64_t)1000*1000L + 500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 3, "0 K", (int64_t)512L-1, 0, HN_AUTOSCALE }, + { 3, "1 K", (int64_t)512L, 0, HN_AUTOSCALE }, + { 3, "0 M", (int64_t)512*1024L-1, 0, HN_AUTOSCALE }, + { 3, "1 M", (int64_t)512*1024L, 0, HN_AUTOSCALE }, + { 3, "1 M", (int64_t)1024*1024L + 512*1024L-1, 0, HN_AUTOSCALE }, + { 3, "2 M", (int64_t)1024*1024L + 512*1024L, 0, HN_AUTOSCALE }, + + /* tests 38-61 test specific scale factors with 1000 divisor */ + { 3, "0 k", (int64_t)0L, HN_DIVISOR_1000, 1 }, + { 3, "1 k", (int64_t)500L, HN_DIVISOR_1000, 1 }, + { 3, "0 M", (int64_t)500L, HN_DIVISOR_1000, 2 }, + { 3, "1 M", (int64_t)500*1000L, HN_DIVISOR_1000, 2 }, + { 3, "0 G", (int64_t)500*1000L, HN_DIVISOR_1000, 3 }, + { 3, "1 G", (int64_t)500*1000*1000L, HN_DIVISOR_1000, 3 }, + { 3, "0 T", (int64_t)500*1000*1000L, HN_DIVISOR_1000, 4 }, + { 3, "1 T", (int64_t)500*1000*1000*1000L, HN_DIVISOR_1000, 4 }, + { 3, "0 P", (int64_t)500*1000*1000*1000L, HN_DIVISOR_1000, 5 }, + { 3, "1 P", (int64_t)500*1000*1000*1000*1000L, HN_DIVISOR_1000, 5 }, + { 3, "0 E", (int64_t)500*1000*1000*1000*1000L, HN_DIVISOR_1000, 6 }, + { 3, "1 E", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6 }, + { 3, "0 k", (int64_t)1L, HN_DIVISOR_1000, 1 }, + { 3, "2 k", (int64_t)1500L, HN_DIVISOR_1000, 1 }, + { 3, "0 M", (int64_t)1500L, HN_DIVISOR_1000, 2 }, + { 3, "2 M", (int64_t)1500*1000L, HN_DIVISOR_1000, 2 }, + { 3, "0 G", (int64_t)1500*1000L, HN_DIVISOR_1000, 3 }, + { 3, "2 G", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, 3 }, + { 3, "0 T", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, 4 }, + { 3, "2 T", (int64_t)1500*1000*1000*1000L, HN_DIVISOR_1000, 4 }, + { 3, "0 P", (int64_t)1500*1000*1000*1000L, HN_DIVISOR_1000, 5 }, + { 3, "2 P", (int64_t)1500*1000*1000*1000*1000L, HN_DIVISOR_1000, 5 }, + { 3, "0 E", (int64_t)1500*1000*1000*1000*1000L, HN_DIVISOR_1000, 6 }, + { 3, "2 E", (int64_t)1500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6 }, + + /* tests 62-85 test specific scale factors with 1024 divisor */ + { 3, "0 K", (int64_t)0L, 0, 1 }, + { 3, "1 K", (int64_t)512L, 0, 1 }, + { 3, "0 M", (int64_t)512L, 0, 2 }, + { 3, "1 M", (int64_t)512*1024L, 0, 2 }, + { 3, "0 G", (int64_t)512*1024L, 0, 3 }, + { 3, "1 G", (int64_t)512*1024*1024L, 0, 3 }, + { 3, "0 T", (int64_t)512*1024*1024L, 0, 4 }, + { 3, "1 T", (int64_t)512*1024*1024*1024L, 0, 4 }, + { 3, "0 P", (int64_t)512*1024*1024*1024L, 0, 5 }, + { 3, "1 P", (int64_t)512*1024*1024*1024*1024L, 0, 5 }, + { 3, "0 E", (int64_t)512*1024*1024*1024*1024L, 0, 6 }, + { 3, "1 E", (int64_t)512*1024*1024*1024*1024*1024L, 0, 6 }, + { 3, "0 K", (int64_t)1L, 0, 1 }, + { 3, "2 K", (int64_t)1536L, 0, 1 }, + { 3, "0 M", (int64_t)1536L, 0, 2 }, + { 3, "2 M", (int64_t)1536*1024L, 0, 2 }, + { 3, "0 G", (int64_t)1536*1024L, 0, 3 }, + { 3, "2 G", (int64_t)1536*1024*1024L, 0, 3 }, + { 3, "0 T", (int64_t)1536*1024*1024L, 0, 4 }, + { 3, "2 T", (int64_t)1536*1024*1024*1024L, 0, 4 }, + { 3, "0 P", (int64_t)1536*1024*1024*1024L, 0, 5 }, + { 3, "2 P", (int64_t)1536*1024*1024*1024*1024L, 0, 5 }, + { 3, "0 E", (int64_t)1536*1024*1024*1024*1024L, 0, 6 }, + { 3, "2 E", (int64_t)1536*1024*1024*1024*1024*1024L, 0, 6 }, + + /* tests 86-99 test invalid specific scale values of < 0 or >= 7 with + and without HN_DIVISOR_1000 set */ + /* all should return errors with new code; with old, the latter 3 + are instead processed as if having AUTOSCALE and/or GETSCALE set */ + { -1, "", (int64_t)1L, 0, 7 }, + { -1, "", (int64_t)1L, HN_DIVISOR_1000, 7 }, + { -1, "", (int64_t)1L, 0, 1000 }, + { -1, "", (int64_t)1L, HN_DIVISOR_1000, 1000 }, + { -1, "", (int64_t)0L, 0, 1000*1000 }, + { -1, "", (int64_t)0L, HN_DIVISOR_1000, 1000*1000 }, + { -1, "", (int64_t)0L, 0, INT_MAX }, + { -1, "", (int64_t)0L, HN_DIVISOR_1000, INT_MAX }, + + /* Negative scale values are not handled well + by the existing library routine - should report as error */ + /* all should return errors with new code, fail assertion with old */ + + { -1, "", (int64_t)1L, 0, -1 }, + { -1, "", (int64_t)1L, HN_DIVISOR_1000, -1 }, + { -1, "", (int64_t)1L, 0, -1000 }, + { -1, "", (int64_t)1L, HN_DIVISOR_1000, -1000 }, + + /* __INT_MIN doesn't print properly, skipped. */ + + { -1, "", (int64_t)1L, 0, -__INT_MAX }, + { -1, "", (int64_t)1L, HN_DIVISOR_1000, -__INT_MAX }, + + + /* tests for scale == 0, without autoscale */ + /* tests 100-114 test scale 0 with 1000 divisor - print first N digits */ + { 2, "0 ", (int64_t)0L, HN_DIVISOR_1000, 0 }, + { 2, "1 ", (int64_t)1L, HN_DIVISOR_1000, 0 }, + { 3, "10 ", (int64_t)10L, HN_DIVISOR_1000, 0 }, + { 3, "0 M", (int64_t)150L, HN_DIVISOR_1000, HN_NOSPACE }, + { 3, "0 M", (int64_t)500L, HN_DIVISOR_1000, HN_NOSPACE }, + { 3, "0 M", (int64_t)999L, HN_DIVISOR_1000, HN_NOSPACE }, + { 4, "150", (int64_t)150L, HN_DIVISOR_1000, 0 }, + { 4, "500", (int64_t)500L, HN_DIVISOR_1000, 0 }, + { 4, "999", (int64_t)999L, HN_DIVISOR_1000, 0 }, + { 5, "100", (int64_t)1000L, HN_DIVISOR_1000, 0 }, + { 5, "150", (int64_t)1500L, HN_DIVISOR_1000, 0 }, + { 7, "500", (int64_t)500*1000L, HN_DIVISOR_1000, 0 }, + { 8, "150", (int64_t)1500*1000L, HN_DIVISOR_1000, 0 }, + { 10, "500", (int64_t)500*1000*1000L, HN_DIVISOR_1000, 0 }, + { 11, "150", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, 0 }, + + /* tests 115-126 test scale 0 with 1024 divisor - print first N digits */ + { 2, "0 ", (int64_t)0L, 0, 0 }, + { 2, "1 ", (int64_t)1L, 0, 0 }, + { 3, "10 ", (int64_t)10L, 0, 0 }, + { 4, "150", (int64_t)150L, 0, 0 }, + { 4, "500", (int64_t)500L, 0, 0 }, + { 4, "999", (int64_t)999L, 0, 0 }, + { 5, "100", (int64_t)1000L, 0, 0 }, + { 5, "150", (int64_t)1500L, 0, 0 }, + { 7, "500", (int64_t)500*1000L, 0, 0 }, + { 8, "150", (int64_t)1500*1000L, 0, 0 }, + { 10, "500", (int64_t)500*1000*1000L, 0, 0 }, + { 11, "150", (int64_t)1500*1000*1000L, 0, 0 }, + + /* Test boundary cases for very large positive/negative number formatting */ + /* Explicit scale, divisor 1024 */ + + /* XXX = requires length 5 (buflen 6) for some cases*/ + /* KLUDGE - test loop below will bump length 5 up to 5 */ + { 3, "8 E", INT64_MAX, 0, 6 }, + { 4, "-8 E", -INT64_MAX, 0, 6 }, + { 3, "0 E", (int64_t)92*1024*1024*1024*1024*1024L, 0, 6 }, + { 3, "0 E", -(int64_t)92*1024*1024*1024*1024*1024L, 0, 6 }, + { 3, "0 E", (int64_t)82*1024*1024*1024*1024*1024L, 0, 6 }, + { 3, "0 E", -(int64_t)82*1024*1024*1024*1024*1024L, 0, 6 }, + { 3, "0 E", (int64_t)81*1024*1024*1024*1024*1024L, 0, 6 }, + { 3, "0 E", -(int64_t)81*1024*1024*1024*1024*1024L, 0, 6 }, + { 4, "92 P", (int64_t)92*1024*1024*1024*1024*1024L, 0, 5 }, + { 5, "-92 P", -(int64_t)92*1024*1024*1024*1024*1024L, 0, 5 }, + { 4, "82 P", (int64_t)82*1024*1024*1024*1024*1024L, 0, 5 }, + { 5, "-82 P", -(int64_t)82*1024*1024*1024*1024*1024L, 0, 5 }, + { 4, "81 P", (int64_t)81*1024*1024*1024*1024*1024L, 0, 5 }, + { 5, "-81 P", -(int64_t)81*1024*1024*1024*1024*1024L, 0, 5 }, + + /* Explicit scale, divisor 1000 */ + { 3, "9 E", INT64_MAX, HN_DIVISOR_1000, 6 }, + { 4, "-9 E", -INT64_MAX, HN_DIVISOR_1000, 6 }, + { 3, "0 E", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6 }, + { 3, "0 E", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6 }, + { 3, "0 E", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6 }, + { 3, "0 E", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6 }, + { 4, "92 P", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5 }, + { 5, "-92 P", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5 }, + { 4, "91 P", (int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5 }, + { 5, "-91 P", -(int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5 }, + + /* Autoscale, divisor 1024 */ + { 3, "8 E", INT64_MAX, 0, HN_AUTOSCALE }, + { 4, "-8 E", -INT64_MAX, 0, HN_AUTOSCALE }, + { 4, "92 P", (int64_t)92*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 5, "-92 P", -(int64_t)92*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 4, "82 P", (int64_t)82*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 5, "-82 P", -(int64_t)82*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 4, "81 P", (int64_t)81*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + { 5, "-81 P", -(int64_t)81*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE }, + /* Autoscale, divisor 1000 */ + { 3, "9 E", INT64_MAX, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 4, "-9 E", -INT64_MAX, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 4, "92 P", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "-92 P", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 4, "91 P", (int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "-91 P", -(int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE }, + + /* 0 scale, divisor 1024 */ + { 12, "skdj", INT64_MAX, 0, 0 }, + { 21, "-9223", -INT64_MAX, 0, 0 }, + { 19, "10358", (int64_t)92*1024*1024*1024*1024*1024L, 0, 0 }, + { 20, "-1035", -(int64_t)92*1024*1024*1024*1024*1024L, 0, 0 }, + { 18, "92323", (int64_t)82*1024*1024*1024*1024*1024L, 0, 0 }, + { 19, "-9232", -(int64_t)82*1024*1024*1024*1024*1024L, 0, 0 }, + { 18, "91197", (int64_t)81*1024*1024*1024*1024*1024L, 0, 0 }, + { 19, "-9119", -(int64_t)81*1024*1024*1024*1024*1024L, 0, 0 }, + + /* 0 scale, divisor 1000 */ + /* XXX - why does this fail? */ + { -1, "", INT64_MAX, HN_DIVISOR_1000, 0 }, + { 21, "-9223", -INT64_MAX, HN_DIVISOR_1000, 0 }, + { 19, "10358", (int64_t)92*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0 }, + { 20, "-1035", -(int64_t)92*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0 }, + { 18, "92323", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0 }, + { 19, "-9232", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0 }, + /* Expected to pass */ + { 18, "91197", (int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0 }, + { 19, "-9119", -(int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0 }, + + + + /* Need to implement tests for GETSCALE */ +/* { ?, "", (int64_t)0L, HN_DIVISOR_1000, HN_GETSCALE }, + ... +*/ + /* Tests for HN_DECIMAL */ + /* Positive, Autoscale */ + { 5, "500 k", (int64_t)500*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "994 k", (int64_t)994*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "995 k", (int64_t)995*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "999 k", (int64_t)999*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "1.0 M", (int64_t)1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "1.5 M", (int64_t)1500*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "1.9 M", (int64_t)1949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "2.0 M", (int64_t)1950*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "9.9 M", (int64_t)9949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 4, "10 M", (int64_t)9950*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "500 M", (int64_t)500*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "994 M", (int64_t)994*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "995 M", (int64_t)995*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "999 M", (int64_t)999*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + + { 5, "500 K", (int64_t)500*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "994 K", (int64_t)994*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "995 K", (int64_t)995*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "999 K", (int64_t)999*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "1.0 M", (int64_t)1000*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "1.0 M", (int64_t)1018*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "1.0 M", (int64_t)1019*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "1.5 M", (int64_t)1536*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "1.9 M", (int64_t)1996*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "2.0 M", (int64_t)1997*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "2.0 M", (int64_t)2047*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "2.0 M", (int64_t)2048*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "2.0 M", (int64_t)2099*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "2.1 M", (int64_t)2100*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "9.9 M", (int64_t)10188*1024L, HN_DECIMAL, HN_AUTOSCALE }, + /* XXX - shouldn't the following two be "10. M"? */ + { 4, "10 M", (int64_t)10189*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 4, "10 M", (int64_t)10240*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "500 M", (int64_t)500*1024*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "994 M", (int64_t)994*1024*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "995 M", (int64_t)995*1024*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "999 M", (int64_t)999*1024*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "1.0 G", (int64_t)1000*1024*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "1.0 G", (int64_t)1023*1024*1024L, HN_DECIMAL, HN_AUTOSCALE }, + + /* Negative, Autoscale - should pass */ + { 6, "-1.5 ", -(int64_t)1500*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 6, "-1.9 ", -(int64_t)1949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 6, "-9.9 ", -(int64_t)9949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + + { 6, "-1.5 ", -(int64_t)1536*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 6, "-1.9 ", -(int64_t)1949*1024L, HN_DECIMAL, HN_AUTOSCALE }, + { 6, "-9.7 ", -(int64_t)9949*1024L, HN_DECIMAL, HN_AUTOSCALE }, + + /* Positive/negative, at maximum scale */ + { 5, "500 P", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "1.9 E", (int64_t)1949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "8.9 E", (int64_t)8949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE }, + { 5, "9.2 E", INT64_MAX, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + /* Negatives work with latest rev only: */ + { 6, "-9.2 ", -INT64_MAX, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + { 6, "-8.9 ", -(int64_t)8949*1000*1000*1000*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE }, + + { 5, "8.0 E", INT64_MAX, HN_DECIMAL, HN_AUTOSCALE }, + { 5, "7.9 E", INT64_MAX-(int64_t)100*1024*1024*1024*1024*1024LL, HN_DECIMAL, HN_AUTOSCALE }, + { 6, "-8.0 ", -INT64_MAX, HN_DECIMAL, HN_AUTOSCALE }, + { 6, "-7.9 ", -INT64_MAX+(int64_t)100*1024*1024*1024*1024*1024LL, HN_DECIMAL, HN_AUTOSCALE }, + + /* Positive, Fixed scales */ + { 5, "500 k", (int64_t)500*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1 }, + { 5, "0.5 M", (int64_t)500*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "949 k", (int64_t)949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1 }, + { 5, "0.9 M", (int64_t)949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "950 k", (int64_t)950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1 }, + { 5, "1.0 M", (int64_t)950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "999 k", (int64_t)999*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1 }, + { 5, "1.0 M", (int64_t)999*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "1.5 M", (int64_t)1500*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "1.9 M", (int64_t)1949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "2.0 M", (int64_t)1950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "9.9 M", (int64_t)9949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 4, "10 M", (int64_t)9950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "500 M", (int64_t)500*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "0.5 G", (int64_t)500*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 3 }, + { 5, "999 M", (int64_t)999*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2 }, + { 5, "1.0 G", (int64_t)999*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 3 }, + /* Positive/negative, at maximum scale */ + { 5, "500 P", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 5 }, + { 5, "1.0 E", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6 }, + { 5, "1.9 E", (int64_t)1949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6 }, + { 5, "8.9 E", (int64_t)8949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6 }, + { 5, "9.2 E", INT64_MAX, HN_DECIMAL|HN_DIVISOR_1000, 6 }, + + /* HN_DECIMAL + binary + fixed scale cases not completed */ + { 5, "512 K", (int64_t)512*1024L, HN_DECIMAL, 1 }, + { 5, "0.5 M", (int64_t)512*1024L, HN_DECIMAL, 2 }, + + /* Negative, Fixed scales */ + /* Not yet added, but should work with latest rev */ + +}; + + +/* Command line options usage */ +static void +usage(char * progname) { + printf("%s: tests libutil humanize_number function\n", progname); + printf("Usage: %s [-nE] [-l num] [-v]\n\n", progname); + printf("Options:\n"); + printf("\t-l num\tSet max length for result; buflen = num + 1\n"); + printf("\t\t (NOTE: does not change expected result strings.)\n"); + printf("\t-n\tInclude negative scale tests, which cause older libutil\n"); + printf("\t\t version of function to coredump with assertion failure\n"); + printf("\t-E\tInclude numbers > 1/2 Exa[byte] which currently fail\n"); + printf("\t-v\tVerbose - always print summary results\n"); + printf("\t-h, -?\tShow options\n"); +} + +/* Parse command line options */ +static void +read_options(int argc, char * const argv[], size_t *bufLength, + int *includeNegativeScale, int *includeExabytes, int *verbose) { + int ch; + size_t temp; + + while ((ch = getopt(argc, argv, "nEh?vl:")) != -1) { + switch (ch) { + default: + usage(argv[0]); + exit(1); + break; /* UNREACHABLE */ + case 'h' : + case '?' : + usage(argv[0]); + exit(0); + break; /* UNREACHABLE */ + case 'l' : + sscanf(optarg, "%zu", &temp); + *bufLength = temp + 1; + break; + case 'n' : + *includeNegativeScale = 1; + break; + case 'E' : + *includeExabytes = 1; + break; + case 'v' : + *verbose = 1; + break; + } + } +} + +static struct { + int value; + const char *name; + } flags[] = { + { HN_AUTOSCALE, "HN_AUTOSCALE" }, + { HN_GETSCALE, "HN_GETSCALE" }, + { HN_DIVISOR_1000, "HN_DIVISOR_1000"}, + { HN_B, "HN_B"}, + { HN_DECIMAL, "HN_DECIMAL"}, +}; + +static const char *separator = "|"; + +/* Format flags parameter for meaningful display */ +static char * +str_flags(int hn_flags, char *noFlags) { + size_t i; + char * result; + + result = malloc(MAX_STR_FLAGS_RESULT); + result[0] = '\0'; + + for (i = 0; i < sizeof flags / sizeof *flags; i++) { + if (hn_flags & flags[i].value) { + if (*result != 0) + strlcat(result, separator, + MAX_STR_FLAGS_RESULT); + strlcat(result, flags[i].name, MAX_STR_FLAGS_RESULT); + } + } + + if (strlen(result) == 0) + strlcat(result, noFlags, MAX_STR_FLAGS_RESULT); + return result; +} + + +/* Format scale parameter for meaningful display */ +static char * +str_scale(int scale) { + char *result; + + if (scale == HN_AUTOSCALE || scale == HN_GETSCALE) + return str_flags(scale, ""); + + result = malloc(MAX_INT_STR_DIGITS); + result[0] = '\0'; + snprintf(result, MAX_INT_STR_DIGITS, "%d", scale); + return result; +} + +static void +testskipped(size_t i) +{ + + printf("ok %zu # skip - not turned on\n", i); +} + +int +main(int argc, char * const argv[]) +{ + char *buf; + char *flag_str, *scale_str; + size_t buflen, errcnt, i, skipped, tested; + int r; + int includeNegScale; + int includeExabyteTests; + int verbose; + + buflen = 4; + includeNegScale = 0; + includeExabyteTests = 0; + verbose = 0; + + read_options(argc, argv, &buflen, &includeNegScale, + &includeExabyteTests, &verbose); + + buf = malloc(buflen); + errcnt = 0; + tested = 0; + skipped = 0; + + if (buflen != 4) + printf("Warning: buffer size %zu != 4, expect some results to differ.\n", buflen); + + printf("1..%zu\n", nitems(test_args)); + for (i = 0; i < nitems(test_args); i++) { + /* KLUDGE */ + if (test_args[i].num == INT64_MAX && buflen == 4) { + /* Start final tests which require buffer of 6 */ + free(buf); + buflen = 6; + buf = malloc(buflen); + if (verbose) + printf("Buffer length increased to %zu\n", + buflen); + } + + if (test_args[i].scale < 0 && ! includeNegScale) { + skipped++; + testskipped(i + 1); + continue; + } + if (test_args[i].num >= halfExabyte && ! includeExabyteTests) { + skipped++; + testskipped(i + 1); + continue; + } + + r = humanize_number(buf, buflen, test_args[i].num, "", + test_args[i].scale, test_args[i].flags); + flag_str = str_flags(test_args[i].flags, "[no flags]"); + scale_str = str_scale(test_args[i].scale); + + if (r != test_args[i].retval) { + if (verbose) + printf("wrong return value on index %zu, " + "buflen: %zu, got: %d + \"%s\", " + "expected %d + \"%s\"; num = %jd, " + "scale = %s, flags= %s.\n", + i, buflen, r, buf, test_args[i].retval, + test_args[i].res, + (intmax_t)test_args[i].num, + scale_str, flag_str); + else + printf("not ok %zu # return %d != %d\n", + i + 1, r, test_args[i].retval); + errcnt++; + } else if (strcmp(buf, test_args[i].res) != 0) { + if (verbose) + printf("result mismatch on index %zu, got: " + "\"%s\", expected \"%s\"; num = %jd, " + "scale = %s, flags= %s.\n", + i, buf, test_args[i].res, + (intmax_t)test_args[i].num, + scale_str, flag_str); + else + printf("not ok %zu # buf \"%s\" != \"%s\"\n", + i + 1, buf, test_args[i].res); + errcnt++; + } else { + if (verbose) + printf("successful result on index %zu, " + "returned %d, got: \"%s\"; num = %jd, " + "scale = %s, flags= %s.\n", + i, r, buf, + (intmax_t)test_args[i].num, + scale_str, flag_str); + else + printf("ok %zu\n", i + 1); + } + tested++; + } + + if (verbose) + printf("total errors: %zu/%zu tests, %zu skipped\n", errcnt, + tested, skipped); + + if (errcnt) + return 1; + + return 0; +} |
