diff --git a/core-test/core-units.c b/core-test/core-units.c
index e5b70ec..a2fb24a 100644
--- a/core-test/core-units.c
+++ b/core-test/core-units.c
@@ -169,6 +169,26 @@ void test_stringstream_1(CuTest *tc)
 	CuAssertStrEquals(tc, "hello(32 + 2.3)ABCDEFABCDEFmoremoremore", end);
 }
 
+void test_stringstream_2(CuTest *tc)
+{
+	char buf[1024];
+	b_stringstream s;
+	b_stringstream_begin(&s, buf, sizeof buf);
+
+	b_stringstream_add(&s, "{\n");
+	b_stringstream_push_indent(&s, 1);
+
+	b_stringstream_add(&s, "a = 32,\n");
+	b_stringstream_add(&s, "b = 64\n");
+
+	b_stringstream_pop_indent(&s);
+	b_stringstream_add(&s, "}");
+
+	char *str = b_stringstream_end(&s);
+
+	CuAssertStrEquals(tc, "{\n  a = 32,\n  b = 64\n}", str);
+}
+
 CuSuite *get_all_tests(void)
 {
 	CuSuite *suite = CuSuiteNew();
@@ -178,6 +198,7 @@ CuSuite *get_all_tests(void)
 	SUITE_ADD_TEST(suite, test_queue_insert);
 	SUITE_ADD_TEST(suite, test_queue_iterate);
 	SUITE_ADD_TEST(suite, test_stringstream_1);
+	SUITE_ADD_TEST(suite, test_stringstream_2);
 
 	return suite;
 }