diff --git a/format/text/testdata/base64.fqtest b/format/text/testdata/base64.fqtest
index be933cb5..909786c7 100644
--- a/format/text/testdata/base64.fqtest
+++ b/format/text/testdata/base64.fqtest
@@ -1,4 +1,18 @@
-$ fq -n '"ff7f00" | frombase64 | ., (("", "std", "url", "rawstd", "rawurl") as $e | tobase64({encoding: $e}) | ., frombase64({encoding: $e})
-exitcode: 3
-stderr:
-error: arg:1:131: unexpected EOF
+$ fq -n '"ff7f00ff" | fromhex | ., ("", "std", "url", "rawstd", "rawurl") as $e | tobase64({encoding: $e}) | ., frombase64({encoding: $e})'
+   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
+0x0|ff 7f 00 ff|                                   |....|           |.: raw bits 0x0-0x3.7 (4)
+"/38A/w=="
+   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
+0x0|ff 7f 00 ff|                                   |....|           |.: raw bits 0x0-0x3.7 (4)
+"/38A/w=="
+   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
+0x0|ff 7f 00 ff|                                   |....|           |.: raw bits 0x0-0x3.7 (4)
+"_38A_w=="
+   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
+0x0|ff 7f 00 ff|                                   |....|           |.: raw bits 0x0-0x3.7 (4)
+"/38A/w"
+   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
+0x0|ff 7f 00 ff|                                   |....|           |.: raw bits 0x0-0x3.7 (4)
+"_38A_w"
+   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|
+0x0|ff 7f 00 ff|                                   |....|           |.: raw bits 0x0-0x3.7 (4)