view scripts/test/readlink.test @ 399:7a5b70965e0e

Bugfix (spotted by Nathan McSween): xread can't detect <0 if the return type is stored in an unsigned variable.
author Rob Landley <>
date Wed, 28 Dec 2011 13:01:12 -0600
parents 98d1fc53b1c4
children 0027cfa330da
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[ -f ] && .

#testing "name" "command" "result" "infile" "stdin"

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 ." "$(pwd)\n" "" ""
testing "readlink -f missing" "readlink -f notfound" "$(pwd)/notfound\n" "" ""

# Test a link that points to nonexistent file
ln -s notfound link
testing "readlink link" "readlink link" "notfound\n" "" ""
testing "readlink link->missing" "readlink -f link" "$(pwd)/notfound\n" "" ""
ln -sf file link
testing "readlink -f link->file" "readlink -f link" "$(pwd)/file\n" "" ""
ln -sf . link
testing "readlink -f link->dir" "readlink -f link" "$(pwd)\n" "" ""
ln -snf link link
testing "readlink link->link (recursive)" "readlink link" "link\n" "" ""
testing "readlink -f link->link (recursive)" "readlink -f link || echo yes" \
	"yes\n" "" ""
rm file link

# 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

# Fun with relative paths

ln -s /usr/include/sys/../sys newsys
ln -s newsys newsys2
testing "readlink maintains relative paths" "readlink newsys" \
	"/usr/include/sys/../sys\n" "" ""
testing "readlink -f resolves relative path" "readlink -f newsys2/../stdio.h" \
	"/usr/include/stdio.h\n" "" ""
rm newsys newsys2