From: Mark Andrews <marka@isc.org>
Date: Wed, 16 May 2018 04:21:38 +0000 (+1000)
Subject: add some %f format tests
X-Git-Tag: v9.10.8rc1~23^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13494a5a204f2a9218ebf39ebe10cadaf90ecfd7;p=thirdparty%2Fbind9.git

add some %f format tests

(cherry picked from commit f5233ba5dedcfa49f7eebefb94940c0e35139b28)
---

diff --git a/lib/isc/tests/print_test.c b/lib/isc/tests/print_test.c
index 47661773351..b6193be3d5f 100644
--- a/lib/isc/tests/print_test.c
+++ b/lib/isc/tests/print_test.c
@@ -55,6 +55,7 @@ ATF_TC_BODY(snprintf, tc) {
 	isc_uint64_t ll = 8589934592ULL;
 	isc_uint64_t nn = 20000000000000ULL;
 	isc_uint64_t zz = 10000000000000000000ULL;
+	float pi = 3.141;
 	int n;
 	size_t size;
 
@@ -123,6 +124,25 @@ ATF_TC_BODY(snprintf, tc) {
 	n = isc_print_snprintf(buf, sizeof(buf), "0x%"ISC_PRINT_QUADFORMAT"x", zz);
 	ATF_CHECK_EQ(n, 18);
 	ATF_CHECK_STREQ(buf, "0xf5f5f5f5f5f5f5f5");
+
+	n = isc_print_snprintf(buf, sizeof(buf), "%.2f", pi);
+	ATF_CHECK_EQ(n, 4);
+	ATF_CHECK_STREQ(buf, "3.14");
+
+	/* Similar to the above, but additional characters follows */
+	n = isc_print_snprintf(buf, sizeof(buf), "%.2f1592", pi);
+	ATF_CHECK_EQ(n, 8);
+	ATF_CHECK_STREQ(buf, "3.141592");
+
+	/* Similar to the above, but with leading spaces */
+	n = isc_print_snprintf(buf, sizeof(buf), "% 8.2f1592", pi);
+	ATF_CHECK_EQ(n, 12);
+	ATF_CHECK_STREQ(buf, "    3.141592");
+
+	/* Similar to the above, but with trail spaces after the 4 */
+	n = isc_print_snprintf(buf, sizeof(buf), "%-8.2f1592", pi);
+	ATF_CHECK_EQ(n, 12);
+	ATF_CHECK_STREQ(buf, "3.14    1592");
 }
 
 ATF_TC(fprintf);