+(define (read-file file)
+ (call-with-input-file file
+ (lambda (p)
+ (let loop ((next (read-char p))
+ (result ""))
+ (if (eof-object? next)
+ result
+ (loop (read-char p) (string-append result (string next))))))))
+
+(define (test-prog prog exit-code)
+ (display prog)
+ (newline)
+ (compile-to-binary prog "/tmp/test-prog" 'darwin)
+ (test (system "/tmp/test-prog") exit-code))
+
+(define (test-prog-stdout prog output)
+ (display prog)
+ (newline)
+ (compile-to-binary prog "/tmp/test-prog" 'darwin)
+ (system "/tmp/test-prog > /tmp/test-output.txt")
+ (let ((str (read-file "/tmp/test-output.txt")))
+ (test str output)))
+