1 files changed, 36 insertions, 0 deletions
diff --git a/t/io.argv b/t/io.argv
new file mode 100644
index 0000000000..8282a3d0a8
--- /dev/null
+++ b/t/io.argv
@@ -0,0 +1,36 @@
+#!./perl
+
+# $Header: io.argv,v 1.0 87/12/18 13:12:44 root Exp $
+
+print "1..5\n";
+
+open(try, '>Io.argv.tmp') || (die "Can't open temp file.");
+print try "a line\n";
+close try;
+
+$x = `./perl -e 'while (<>) {print \$.,\$_;}' Io.argv.tmp Io.argv.tmp`;
+
+if ($x eq "1a line\n2a line\n") {print "ok 1\n";} else {print "not ok 1\n";}
+
+$x = `echo foo|./perl -e 'while (<>) {print $_;}' Io.argv.tmp -`;
+
+if ($x eq "a line\nfoo\n") {print "ok 2\n";} else {print "not ok 2\n";}
+
+$x = `echo foo|./perl -e 'while (<>) {print $_;}'`;
+
+if ($x eq "foo\n") {print "ok 3\n";} else {print "not ok 3\n";}
+
+@ARGV = ('Io.argv.tmp', 'Io.argv.tmp', '/dev/null', 'Io.argv.tmp');
+while (<>) {
+    $y .= $. . $_;
+    if (eof) {
+	if ($. == 3) {print "ok 4\n";} else {print "not ok 4\n";}
+    }
+}
+
+if ($y eq "1a line\n2a line\n3a line\n")
+    {print "ok 5\n";}
+else
+    {print "not ok 5\n";}
+
+`/bin/rm -f Io.argv.tmp`;