X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=t%2Futils%2Fstrbuf_test.c;h=0acb1de0521849d6533a347fd8a8858a106ce72b;hb=6413d25dbe573432ece20d45d940e00176723de6;hp=c68a23efcf22df1157d2ac4adb02ceaf5f3b7f38;hpb=f835433a5aed1c1d01eeaa853e0dcff3ce8e5db8;p=sysdb.git

diff --git a/t/utils/strbuf_test.c b/t/utils/strbuf_test.c
index c68a23e..0acb1de 100644
--- a/t/utils/strbuf_test.c
+++ b/t/utils/strbuf_test.c
@@ -55,7 +55,7 @@ teardown(void)
  * tests
  */
 
-START_TEST(test_empty)
+START_TEST(test_null)
 {
 	sdb_strbuf_t *b = NULL;
 	va_list ap;
@@ -65,6 +65,7 @@ START_TEST(test_empty)
 	sdb_strbuf_skip(b, 0, 0);
 	sdb_strbuf_skip(b, 0, 10);
 	sdb_strbuf_skip(b, 10, 10);
+	sdb_strbuf_clear(b);
 
 	/* check that methods return an error */
 	fail_unless(sdb_strbuf_vappend(b, "test", ap) < 0,
@@ -86,6 +87,28 @@ START_TEST(test_empty)
 }
 END_TEST
 
+START_TEST(test_empty)
+{
+	sdb_strbuf_t *b = sdb_strbuf_create(0);
+	const char *data;
+	size_t len;
+
+	/* check that methods don't crash */
+	sdb_strbuf_skip(b, 1, 1);
+	sdb_strbuf_clear(b);
+	sdb_strbuf_chomp(b);
+
+	data = sdb_strbuf_string(b);
+	fail_unless(data && (*data == '\0'),
+			"sdb_strbuf_string(<empty>) = '%s'; expected: ''", data);
+	len = sdb_strbuf_len(b);
+	fail_unless(len == 0,
+			"sdb_strbuf_len(<empty>) = %zu; expected: 0", len);
+
+	sdb_strbuf_destroy(b);
+}
+END_TEST
+
 START_TEST(test_sdb_strbuf_create)
 {
 	sdb_strbuf_t *s;
@@ -424,6 +447,27 @@ START_TEST(test_sdb_strbuf_skip)
 }
 END_TEST
 
+START_TEST(test_sdb_strbuf_clear)
+{
+	const char *data;
+	size_t len;
+
+	sdb_strbuf_append(buf, "abc");
+	len = sdb_strbuf_len(buf);
+	fail_unless(len != 0,
+			"sdb_strbuf_len() = %zu; expected: != 0", len);
+
+	sdb_strbuf_clear(buf);
+	len = sdb_strbuf_len(buf);
+	fail_unless(len == 0,
+			"sdb_strbuf_len() = %zu (after clear); expected: 0", len);
+
+	data = sdb_strbuf_string(buf);
+	fail_unless(*data == '\0',
+			"sdb_strbuf_string() = '%s' (after clear); expected: ''", data);
+}
+END_TEST
+
 static struct {
 	const char *input;
 	const char *expected;
@@ -483,6 +527,7 @@ util_strbuf_suite(void)
 	TCase *tc;
 
 	tc = tcase_create("empty");
+	tcase_add_test(tc, test_null);
 	tcase_add_test(tc, test_empty);
 	suite_add_tcase(s, tc);
 
@@ -496,6 +541,7 @@ util_strbuf_suite(void)
 	tcase_add_test(tc, test_sdb_strbuf_memappend);
 	tcase_add_test(tc, test_sdb_strbuf_chomp);
 	tcase_add_test(tc, test_sdb_strbuf_skip);
+	tcase_add_test(tc, test_sdb_strbuf_clear);
 	tcase_add_test(tc, test_sdb_strbuf_string);
 	tcase_add_test(tc, test_sdb_strbuf_len);
 	suite_add_tcase(s, tc);