[commit: packages/directory] master: Add more canonicalizePath tests (cdcc450)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/directory

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/cdcc45059b02f2ddabae04aee5ee14759d9d83bb/directory

>---------------------------------------------------------------

commit cdcc45059b02f2ddabae04aee5ee14759d9d83bb
Author: Phil Ruffwind <rf at rufflewind.com>
Date:   Thu Mar 2 03:22:36 2017 -0500

    Add more canonicalizePath tests


>---------------------------------------------------------------

cdcc45059b02f2ddabae04aee5ee14759d9d83bb
 tests/CanonicalizePath.hs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tests/CanonicalizePath.hs b/tests/CanonicalizePath.hs
index 07ba771..ab74c7b 100644
--- a/tests/CanonicalizePath.hs
+++ b/tests/CanonicalizePath.hs
@@ -81,10 +81,18 @@ main _t = do
     T(expectEq) () bar =<< canonicalizePath "lfoo/bar"
     T(expectEq) () barQux =<< canonicalizePath "lfoo/bar/qux"
 
+    -- create a haphazard chain of links
+    createDirectoryLink "./../foo/../foo/." "./foo/./somelink3"
+    createDirectoryLink ".././foo/somelink3" "foo/somelink2"
+    createDirectoryLink "./foo/somelink2" "somelink"
+    T(expectEq) () foo =<< canonicalizePath "somelink"
+
     -- regression test for #64
     createFileLink "../foo/non-existent" "foo/qux"
+    removeDirectoryLink "foo/somelink3" -- break the chain made earlier
     qux <- canonicalizePath "foo/qux"
     T(expectEq) () qux =<< canonicalizePath "foo/non-existent"
+    T(expectEq) () (foo </> "somelink3") =<< canonicalizePath "somelink"
 
     -- make sure it can handle loops
     createFileLink "loop1" "loop2"