Add test for byte_at for 8-bit bytes.

1 files changed, 12 insertions, 0 deletions

diff --git a/unittests.c b/unittests.c
index fcd740b..e651ea9 100644
--- a/unittests.c
+++ b/unittests.c
@@ -540,6 +540,17 @@ static int test_byteat_reports_error_for_too_large_offset(void)
 }
 
 
+static int test_byteat_reports_0xff_correctly(void)
+{
+    Dynstr *dynstr;
+    
+    dynstr = dynstr_new_from_cstring("\xff");
+    FAIL_UNLESS_EQUAL(dynstr_byte_at(dynstr, 0), 255);
+    dynstr_free(dynstr);
+    return true;
+}
+
+
 static void setup(void)
 {
     dynstr_init();
@@ -594,6 +605,7 @@ static const struct test tests[] = {
     TEST(test_cat_returns_NULL_for_second_malloc_failure),
     TEST(test_byteat_reports_correct_character),
     TEST(test_byteat_reports_error_for_too_large_offset),
+    TEST(test_byteat_reports_0xff_correctly),
 };
 static const int num_tests = sizeof(tests) / sizeof(tests[0]);