AT_SETUP([dpkg-realpath options])
AT_KEYWORDS([dpkg-realpath command-line])

AT_CHECK([dpkg-realpath --version], [], [ignore])
AT_CHECK([dpkg-realpath --help], [], [ignore])

AT_CLEANUP

AT_SETUP([dpkg-realpath path resolving])
AT_KEYWORDS([dpkg-realpath canonicalize])

mkdir -p aa/bb/cc
mkdir -p zz/yy/xx
mkdir -p usr/bin
AT_DATA([aa/bb/cc/file], [])
ln -sfT aa/bb/cc/file zz/yy/xx/symlink-rel
ln -sfT /aa/bb/cc/file zz/yy/xx/symlink-abs
AT_DATA([usr/bin/a-shell], [])
ln -sfT /usr/bin/a-shell usr/bin/sh

tmpdir="$(pwd)"
export DPKG_ROOT=

# Relative paths
AT_CHECK_UNQUOTED([dpkg-realpath aa/bb/cc], [],
[$tmpdir/aa/bb/cc
])
AT_CHECK_UNQUOTED([dpkg-realpath zz/yy/xx], [], [$tmpdir/zz/yy/xx
])
AT_CHECK_UNQUOTED([dpkg-realpath usr/bin], [], [$tmpdir/usr/bin
])
AT_CHECK_UNQUOTED([dpkg-realpath aa/bb/cc/file], [], [$tmpdir/aa/bb/cc/file
])
AT_CHECK_UNQUOTED([dpkg-realpath zz/yy/xx/symlink-rel], [],
[$tmpdir/zz/yy/xx/aa/bb/cc/file
])
AT_CHECK([dpkg-realpath zz/yy/xx/symlink-abs], [], [/aa/bb/cc/file
])
AT_CHECK_UNQUOTED([dpkg-realpath usr/bin/a-shell], [],
[$tmpdir/usr/bin/a-shell
])
AT_CHECK([dpkg-realpath usr/bin/sh], [], [/usr/bin/a-shell
])

# Absolute paths
cd /
AT_CHECK_UNQUOTED([dpkg-realpath "$tmpdir/aa/bb/cc"], [], [$tmpdir/aa/bb/cc
])
AT_CHECK_UNQUOTED([dpkg-realpath "$tmpdir/zz/yy/xx"], [], [$tmpdir/zz/yy/xx
])
AT_CHECK_UNQUOTED([dpkg-realpath "$tmpdir/usr/bin"], [], [$tmpdir/usr/bin
])
AT_CHECK_UNQUOTED([dpkg-realpath "$tmpdir/aa/bb/cc/file"], [],
[$tmpdir/aa/bb/cc/file
])
AT_CHECK_UNQUOTED([dpkg-realpath "$tmpdir/zz/yy/xx/symlink-rel"], [],
[$tmpdir/zz/yy/xx/aa/bb/cc/file
])
AT_CHECK([dpkg-realpath "$tmpdir/zz/yy/xx/symlink-abs"], [], [/aa/bb/cc/file
])
AT_CHECK_UNQUOTED([dpkg-realpath "$tmpdir/usr/bin/a-shell"], [],
[$tmpdir/usr/bin/a-shell
])
AT_CHECK([dpkg-realpath "$tmpdir/usr/bin/sh"], [], [/usr/bin/a-shell
])

# Chrooted paths
DPKG_ROOT="$tmpdir"
AT_CHECK([dpkg-realpath /aa/bb/cc], [], [/aa/bb/cc
])
AT_CHECK([dpkg-realpath /zz/yy/xx], [], [/zz/yy/xx
])
AT_CHECK([dpkg-realpath /usr/bin], [], [/usr/bin
])
AT_CHECK([dpkg-realpath /aa/bb/cc/file], [], [/aa/bb/cc/file
])
AT_CHECK([dpkg-realpath /zz/yy/xx/symlink-rel], [], [/zz/yy/xx/aa/bb/cc/file
])
AT_CHECK([dpkg-realpath /zz/yy/xx/symlink-abs], [], [/aa/bb/cc/file
])
AT_CHECK([dpkg-realpath /usr/bin/a-shell], [], [/usr/bin/a-shell
])
AT_CHECK([dpkg-realpath /usr/bin/sh], [], [/usr/bin/a-shell
])

AT_CLEANUP