From 994c3c82ef1e9a2291e3c1d765ee6aa4cfeeb64f Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 27 Jun 1998 20:20:25 +0000
Subject: [PATCH] .

---
 tests/cp/same-file | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100755 tests/cp/same-file

diff --git a/tests/cp/same-file b/tests/cp/same-file
new file mode 100755
index 0000000..32f1260
--- /dev/null
+++ b/tests/cp/same-file
@@ -0,0 +1,76 @@
+#!/bin/sh
+
+LANGUAGE=C; export LANGUAGE
+LANG=C; export LANG
+
+VERSION_CONTROL=numbered; export VERSION_CONTROL
+
+pwd=`pwd`
+PATH=$pwd/../../src:$PATH
+
+actual=actual-$$
+expected=expected-$$
+trap "cd $pwd; rm -rf $actual $expected dir" 0 1 2 3 15
+
+exec 1> $actual
+
+contents=XYZ
+for args in 'foo symlink' 'symlink foo' 'foo foo' 'sl1 sl2'; do
+  for options in '' -b -d -bd -bdf; do
+    rm -rf dir
+    mkdir dir
+    cd dir
+    echo $contents > foo
+    case "$args" in *symlink*) ln -s foo symlink ;; esac
+    case "$args" in *sl1*) ln -s foo sl1;; esac
+    case "$args" in *sl2*) ln -s foo sl2;; esac
+    (
+      (
+	cp $options $args 2>.err
+	echo $?
+	test -s .err && echo "[`cat .err`]"
+	# Strip off all but the file names.
+	ls -lG * | sed 's/^..............................................//'
+	for f in $args; do
+	  if test -f $f; then
+	    # make sure the file was copied.
+	    case "`cat $f`" in
+	      "$contents") ;;
+	      *) echo cp FAILED;;
+	    esac
+	  else
+	    echo symlink-loop
+	  fi
+	done
+      ) | tr '\012' ' '
+      echo
+    ) | sed 's/  *$//'
+    cd ..
+  done
+  echo
+done
+
+cat <<\EOF > $expected
+1 [cp: `foo' and `symlink' are the same file] foo symlink -> foo
+0 foo symlink symlink.~1~ -> foo
+0 foo symlink symlink.~1~ -> foo
+0 foo symlink symlink.~1~ -> foo
+
+1 [cp: `symlink' and `foo' are the same file] foo symlink -> foo
+1 [cp: `symlink' and `foo' are the same file] foo symlink -> foo
+0 foo -> foo foo.~1~ symlink -> foo symlink-loop symlink-loop
+0 foo -> foo foo.~1~ symlink -> foo symlink-loop symlink-loop
+
+1 [cp: `foo' and `foo' are the same file] foo
+1 [cp: `foo' and `foo' are the same file] foo
+1 [cp: `foo' and `foo' are the same file] foo
+0 foo foo.~1~
+
+1 [cp: `sl1' and `sl2' are the same file] foo sl1 -> foo sl2 -> foo
+0 foo sl1 -> foo sl2 sl2.~1~ -> foo
+0 foo sl1 -> foo sl2 -> foo sl2.~1~ -> foo
+0 foo sl1 -> foo sl2 -> foo sl2.~1~ -> foo
+
+EOF
+
+cmp $expected $actual || cat $actual 1>&2
-- 
2.7.4