1 files changed, 29 insertions, 0 deletions
diff --git a/tests/018/format.tl b/tests/018/format.tl
new file mode 100644
index 00000000..3e9e4f5b
--- /dev/null
+++ b/tests/018/format.tl
@@ -0,0 +1,29 @@
+(load "../common")
+
+(mtest
+  (fmt "~x" #b'') ""
+  (fmt "~4x" #b'') "    "
+  (fmt "~4,02x" #b'') "  00"
+  (fmt "~x" #b'AF') "af"
+  (fmt "~4x" #b'AF') "  af"
+  (fmt "~-4x" #b'AF') "af  "
+  (fmt "~4,03x" #b'AF') " 0af"
+  (fmt "~-4,03X" #b'AF') "0AF ")
+
+(mtest
+  (fmt "~x" #\xaf) "af"
+  (fmt "~4x" #\xaf) "  af"
+  (fmt "~-4x" #\xaf) "af  "
+  (fmt "~4,03x" #\xaf) " 0af"
+  (fmt "~-4,03X" #\xaf) "0AF ")
+
+(mtest
+  (fmt "~x" #xaf) "af"
+  (fmt "~4x" #xaf) "  af"
+  (fmt "~-4x" #xaf) "af  "
+  (fmt "~4,03x" #xaf) " 0af"
+  (fmt "~-4,03X" #xaf) "0AF ")
+
+(test
+  (fmt "~x" (sha256 "abc"))
+  "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")