1 files changed, 67 insertions, 0 deletions
diff --git a/tests/readlink.test b/tests/readlink.test
new file mode 100755
index 00000000..6c7b147f
--- /dev/null
+++ b/tests/readlink.test
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+[ -f testing.sh ] && . testing.sh
+
+#testing "name" "command" "result" "infile" "stdin"
+
+APWD="$(pwd -P)"
+
+testing "readlink missing" "readlink notfound || echo yes" "yes\n" "" ""
+
+# simple tests on a file
+
+touch file
+testing "readlink file" "readlink file || echo yes" "yes\n" "" ""
+testing "readlink -f dir" "readlink -f ." "$APWD\n" "" ""
+testing "readlink -f missing" "readlink -f notfound" "$APWD/notfound\n" "" ""
+
+ln -sf notfound link
+testing "readlink link" "readlink link" "notfound\n" "" ""
+testing "readlink link->missing" "readlink -f link" "$APWD/notfound\n" "" ""
+ln -sf ../../ link
+testing "readlink stays relative" "readlink link" "../../\n" "" ""
+rm link
+ln -sf file link
+testing "readlink -f link->file" "readlink -f link" "$APWD/file\n" "" ""
+ln -sf . link
+testing "readlink -f link->dir" "readlink -f link" "$APWD\n" "" ""
+ln -snf link link
+testing "readlink link->link (recursive)" "readlink link" "link\n" "" ""
+testing "readlink -f link->link (recursive)" \
+  "readlink -f link 2>/dev/null || echo yes" "yes\n" "" ""
+
+testing "readlink -q notlink" "readlink -q file || echo yes" "yes\n" "" ""
+testing "readlink -q link" "readlink -q link && echo yes" "yes\n" "" ""
+testing "readlink -q notfound" "readlink -q notfound || echo yes" "yes\n" "" ""
+testing "readlink -e found" "readlink -e file" "$APWD/file\n" "" ""
+testing "readlink -e notfound" \
+  "readlink -e notfound 2>/dev/null || echo yes" "yes\n" "" ""
+testing "readlink -nf ." "readlink -nf ." "$APWD" "" ""
+
+mkdir sub &&
+ln -s . here &&
+ln -s ./sub dir &&
+touch sub/bang || exit 1
+testing "readlink -f multi" "readlink -f dir/../here/dir/bang" \
+  "$APWD/sub/bang\n" "" ""
+testing "readlink -f link/missing" "readlink -f dir/boing" \
+  "$APWD/sub/boing\n" "" ""
+testing "readlink -f /dev/null/file" \
+  "readlink -f /dev/null/file 2>/dev/null || echo yes" "yes\n" "" ""
+ln -sf / link || exit 1
+testing "readlink -f link->/" "readlink -e link/dev" "/dev\n" "" ""
+testing "readlink -f /dev/null/.." \
+  "readlink -f link/null/.. 2>/dev/null || echo yes" "yes\n" "" ""
+rm -f link && ln -sf link link || exit 1
+testing "readlink recurse" "readlink link" "link\n" "" ""
+
+rm file link sub/bang dir here
+rmdir sub
+
+# Make sure circular links don't run away.
+
+ln -s link1 link2
+ln -s link2 link1
+testing "readlink follow recursive2" "readlink -f link1 || echo yes" \
+	"yes\n" "" ""
+rm link1 link2