diff options
Diffstat (limited to 'test/bioprinttest.c')
| -rw-r--r-- | test/bioprinttest.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/bioprinttest.c b/test/bioprinttest.c index 14f0bfe52d..3dd5b3efa2 100644 --- a/test/bioprinttest.c +++ b/test/bioprinttest.c @@ -241,14 +241,48 @@ static int test_fp(int i) return r; } +extern double zero_value; +double zero_value = 0.0; + static int test_big(void) { char buf[80]; + double d, z, inf, nan; /* Test excessively big number. Should fail */ if (!TEST_int_eq(BIO_snprintf(buf, sizeof(buf), "%f\n", 2 * (double)ULONG_MAX), -1)) return 0; + + d = 1.0; + z = zero_value; + inf = d / z; + nan = z / z; + + /* + * Test +/-inf, nan. Should fail. + * Test +/-1.0, +/-0.0. Should work. + */ + if (!TEST_int_eq(BIO_snprintf(buf, sizeof(buf), + "%f", inf), -1) + || !TEST_int_eq(BIO_snprintf(buf, sizeof(buf), + "%f", -inf), -1) + || !TEST_int_eq(BIO_snprintf(buf, sizeof(buf), + "%f", nan), -1) + || !TEST_int_eq(BIO_snprintf(buf, sizeof(buf), + "%f", d), 8) + || !TEST_str_eq(buf, "1.000000") + || !TEST_int_eq(BIO_snprintf(buf, sizeof(buf), + "%f", z), 8) + || !TEST_str_eq(buf, "0.000000") + || !TEST_int_eq(BIO_snprintf(buf, sizeof(buf), + "%f", -d), 9) + || !TEST_str_eq(buf, "-1.000000") + || !TEST_int_eq(BIO_snprintf(buf, sizeof(buf), + "%f", -z), 8) + || !TEST_str_eq(buf, "0.000000")) + return 0; + return 1; } |