(assert (char= (char new 0) #\replacement_character))
(assert (char= (char new (1- size)) #\replacement_character))
(assert (string= string new :start1 1 :start2 1 :end1 (1- size) :end2 (1- size)))))))
+
+(with-test (:name (:multibyte :input-replacement :ucs4le))
+ (let ((octets (coerce '(0 1 1 0 1 0 0 1) '(vector (unsigned-byte 8)))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede :element-type '(unsigned-byte 8))
+ (write-sequence octets s))
+ (with-open-file (s *test-path* :external-format '(:ucs4le :replacement #\replacement_character))
+ (let ((string (read-line s)))
+ (assert (char= (char string 0) (code-char #x10100)))
+ (assert (char= (char string 1) #\replacement_character))))))
+
+(with-test (:name (:multibyte :input-replacement :ucs4le))
+ (let ((octets (coerce '(0 1 1 0 1 0 0 1) '(vector (unsigned-byte 8)))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede :element-type '(unsigned-byte 8))
+ (write-sequence octets s))
+ (with-open-file (s *test-path* :external-format '(:ucs4be :replacement #\replacement_character))
+ (let ((string (read-line s)))
+ (assert (char= (char string 0) (code-char #x10100)))
+ (assert (char= (char string 1) #\replacement_character))))))
+\f
+;;; utf tests
+(with-test (:name (:utf-16le :roundtrip))
+ (let ((string (map 'string 'code-char '(#x20 #x200 #x2000 #xfffd #x10fffd))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format :utf-16le)
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-16le)
+ (assert (string= string (read-line s))))))
+(with-test (:name (:utf-16be :roundtrip))
+ (let ((string (map 'string 'code-char '(#x20 #x200 #x2000 #xfffd #x10fffd))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format :utf-16be)
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-16be)
+ (assert (string= string (read-line s))))))
+(with-test (:name (:utf-16le :encoding-error))
+ (let ((string (map 'string 'code-char '(#x20 #xfffe #xdc00 #xd800 #x1fffe #x20))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format '(:utf-16le :replacement #\?))
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-16le)
+ (assert (string= " ???? " (read-line s))))))
+(with-test (:name (:utf-16be :encoding-error))
+ (let ((string (map 'string 'code-char '(#x20 #xfffe #xdc00 #xd800 #x1fffe #x20))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format '(:utf-16be :replacement #\?))
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-16be)
+ (assert (string= " ???? " (read-line s))))))
+
+(with-test (:name (:utf-32le :roundtrip))
+ (let ((string (map 'string 'code-char '(#x20 #x200 #x2000 #xfffd #x10fffd))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format :utf-32le)
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-32le)
+ (assert (string= string (read-line s))))))
+(with-test (:name (:utf-32be :roundtrip))
+ (let ((string (map 'string 'code-char '(#x20 #x200 #x2000 #xfffd #x10fffd))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format :utf-32be)
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-32be)
+ (assert (string= string (read-line s))))))
+(with-test (:name (:utf-32le :encoding-error))
+ (let ((string (map 'string 'code-char '(#x20 #xfffe #xdc00 #xd800 #x1fffe #x20))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format '(:utf-32le :replacement #\?))
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-32le)
+ (assert (string= " ???? " (read-line s))))))
+(with-test (:name (:utf-32be :encoding-error))
+ (let ((string (map 'string 'code-char '(#x20 #xfffe #xdc00 #xd800 #x1fffe #x20))))
+ (with-open-file (s *test-path* :direction :output :if-exists :supersede
+ :external-format '(:utf-32be :replacement #\?))
+ (write-string string s))
+ (with-open-file (s *test-path* :external-format :utf-32be)
+ (assert (string= " ???? " (read-line s))))))
\f
;;;; success