diff options
Diffstat (limited to 'stdio-common/tst-fphex.c')
| -rw-r--r-- | stdio-common/tst-fphex.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/stdio-common/tst-fphex.c b/stdio-common/tst-fphex.c new file mode 100644 index 0000000000..aca2c0500d --- /dev/null +++ b/stdio-common/tst-fphex.c @@ -0,0 +1,51 @@ +/* Test program for %a printf formats. */ + +#include <stdio.h> +#include <string.h> + +struct testcase +{ + double value; + const char *fmt; + const char *expect; +}; + +static const struct testcase testcases[] = + { + { 0x0.0030p+0, "%a", "0x1.8p-11" }, + { 0x0.0040p+0, "%a", "0x1p-10" }, + { 0x0.0030p+0, "%040a", "0x00000000000000000000000000000001.8p-11" }, + { 0x0.0040p+0, "%040a", "0x0000000000000000000000000000000001p-10" }, + { 0x0.0040p+0, "%40a", " 0x1p-10" }, + { 0x0.0040p+0, "%#40a", " 0x1.p-10" }, + { 0x0.0040p+0, "%-40a", "0x1p-10 " }, + { 0x0.0040p+0, "%#-40a", "0x1.p-10 " }, + { 0x0.0030p+0, "%040e", "00000000000000000000000000007.324219e-04" }, + { 0x0.0040p+0, "%040e", "00000000000000000000000000009.765625e-04" }, + }; + + +static int +do_test (int argc, char **argv) +{ + const struct testcase *t; + int result = 0; + + for (t = testcases; + t < &testcases[sizeof testcases / sizeof testcases[0]]; + ++t) + { + char buf[1024]; + int n = snprintf (buf, sizeof buf, t->fmt, t->value); + if (n != strlen (t->expect) || strcmp (buf, t->expect) != 0) + { + printf ("%s\tExpected \"%s\" (%u)\n\tGot \"%s\" (%d, %u)\n", + t->fmt, t->expect, strlen (t->expect), buf, n, strlen (buf)); + result = 1; + } + } + + return result; +} + +#include "../test-skeleton.c" |