1 files changed, 93 insertions, 0 deletions
diff --git a/libslang/src/test/posixio.sl b/libslang/src/test/posixio.sl
new file mode 100644
index 0000000..d3a0dc0
--- /dev/null
+++ b/libslang/src/test/posixio.sl
@@ -0,0 +1,93 @@
+_debug_info = 1; () = evalfile ("inc.sl");
+
+
+print ("Testing POSIX I/O routines...");
+
+static define open_tmp_file (fileptr, flags, mode)
+{
+   variable n;
+   variable file, fd;
+   variable fmt;
+   
+   @fileptr = NULL;
+
+   fmt = "tmp-xxx.%03d";    % I need something that works on an 8+3 filesystem
+
+   n = -1;
+   while (n < 999)
+     {
+	n++;
+	file = sprintf (fmt, n);
+	if (NULL != stat_file (file))
+	  continue;
+	
+	fd = open (file, flags, 0777);
+	if (fd != NULL)
+	  {
+	     @fileptr = file;
+	     return fd;
+	  }
+     }
+   failed ("Unable to open a tmp file");
+}
+
+define run_tests (some_text)
+{
+   variable file, fd, fp;
+   variable new_text, nbytes, len;
+   variable pos;
+
+   fd = open_tmp_file (&file, O_WRONLY|O_BINARY|O_CREAT, 0777);
+
+   if (-1 == write (fd, some_text))
+     failed ("write");
+
+   fp = fdopen (fd, "wb");
+   if (fp == NULL)
+     failed ("fdopen");
+   
+   if (isatty (fileno (fp)))
+     failed ("isatty (fileno)");
+
+   if (-1 == close (fd))
+     failed ("close");
+
+   fd = open (file, O_RDONLY|O_BINARY);
+   if (fd == NULL) failed ("fopen existing");
+
+   len = bstrlen (some_text);
+   nbytes = read (fd, &new_text, len);
+   if (nbytes == -1)
+     failed ("read");
+
+   if ((nbytes != len)
+       or (some_text != new_text)) 
+     failed ("read");
+
+   if (0 != read (fd, &new_text, 1))
+     failed ("read at EOF");
+   if (bstrlen (new_text))
+     failed ("read at EOF");
+
+   if (-1 == close (fd)) failed ("close after tests");
+   variable st = stat_file (file);
+   () = st.st_mode;  %  see if stat_file returned the right struct
+   () = remove (file);
+   if (stat_file (file) != NULL) failed ("remove");
+}
+
+
+run_tests ("ABCDEFG");
+run_tests ("A\000BC\000\n\n\n");
+
+variable fd = open ("/dev/tty", O_RDONLY);
+if (fd != NULL)
+{
+   if (0 == isatty (fd))
+     failed ("isatty");
+}
+fd = 0;
+
+
+print ("Ok\n");
+exit (0);