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Diffstat (limited to 'test-suite/tests/ports.test')
| -rw-r--r-- | test-suite/tests/ports.test | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test-suite/tests/ports.test b/test-suite/tests/ports.test index ce796d11e..338741f49 100644 --- a/test-suite/tests/ports.test +++ b/test-suite/tests/ports.test @@ -150,6 +150,23 @@ (string=? line test-string))) (delete-file filename))) +;;; ungetting characters and strings. +(catch-test-errors + (with-input-from-string "walk on the moon\nmoon" + (lambda () + (read-char) + (unread-char #\a (current-input-port)) + (pass-if "unread-char" + (char=? (read-char) #\a)) + (read-line) + (let ((replacenoid "chicken enchilada")) + (unread-char #\newline (current-input-port)) + (unread-string replacenoid (current-input-port)) + (pass-if "unread-string" + (string=? (read-line) replacenoid))) + (pass-if "unread residue" + (string=? (read-line) "moon"))))) + ;;;; Pipe ports. |