norm_path /d1/.../d2 /d1/.../d2 POSIX
norm_path /d1/..././../d2 /d1/d2 POSIX
-ancestor / "" -1
ancestor / / -1
-ancestor /foo "" -1
-ancestor /foo : -1
-ancestor /foo ::. -1
-ancestor /foo ::..:: -1
ancestor /foo / 0
ancestor /foo /fo -1
ancestor /foo /foo -1
-ancestor /foo /foo/ -1
ancestor /foo /bar -1
-ancestor /foo /bar/ -1
ancestor /foo /foo/bar -1
-ancestor /foo /foo:/bar/ -1
-ancestor /foo /foo/:/bar/ -1
-ancestor /foo /foo::/bar/ -1
-ancestor /foo /:/foo:/bar/ 0
-ancestor /foo /foo:/:/bar/ 0
-ancestor /foo /:/bar/:/foo 0
-ancestor /foo/bar "" -1
+ancestor /foo /foo:/bar -1
+ancestor /foo /:/foo:/bar 0
+ancestor /foo /foo:/:/bar 0
+ancestor /foo /:/bar:/foo 0
ancestor /foo/bar / 0
ancestor /foo/bar /fo -1
-ancestor /foo/bar foo -1
ancestor /foo/bar /foo 4
-ancestor /foo/bar /foo/ 4
ancestor /foo/bar /foo/ba -1
ancestor /foo/bar /:/fo 0
ancestor /foo/bar /foo:/foo/ba 4
ancestor /foo/bar /bar -1
-ancestor /foo/bar /bar/ -1
-ancestor /foo/bar /fo: -1
-ancestor /foo/bar :/fo -1
-ancestor /foo/bar /foo:/bar/ 4
-ancestor /foo/bar /:/foo:/bar/ 4
-ancestor /foo/bar /foo:/:/bar/ 4
-ancestor /foo/bar /:/bar/:/fo 0
-ancestor /foo/bar /:/bar/ 0
-ancestor /foo/bar .:/foo/. 4
-ancestor /foo/bar .:/foo/.:.: 4
-ancestor /foo/bar /foo/./:.:/bar 4
-ancestor /foo/bar .:/bar -1
+ancestor /foo/bar /fo -1
+ancestor /foo/bar /foo:/bar 4
+ancestor /foo/bar /:/foo:/bar 4
+ancestor /foo/bar /foo:/:/bar 4
+ancestor /foo/bar /:/bar:/fo 0
+ancestor /foo/bar /:/bar 0
+ancestor /foo/bar /foo 4
+ancestor /foo/bar /foo:/bar 4
+ancestor /foo/bar /bar -1
test_expect_success 'strip_path_suffix' '
test c:/msysgit = $(test-path-utils strip_path_suffix \
c:/msysgit/libexec//git-core libexec/git-core)
'
+
+test_expect_success 'absolute path rejects the empty string' '
+ test_must_fail test-path-utils absolute_path ""
+'
+
+test_expect_success 'real path rejects the empty string' '
+ test_must_fail test-path-utils real_path ""
+'
+
+test_expect_success POSIX 'real path works on absolute paths 1' '
+ nopath="hopefully-absent-path" &&
+ test "/" = "$(test-path-utils real_path "/")" &&
+ test "/$nopath" = "$(test-path-utils real_path "/$nopath")"
+'
+
+test_expect_success 'real path works on absolute paths 2' '
+ nopath="hopefully-absent-path" &&
+ # Find an existing top-level directory for the remaining tests:
+ d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
+ test "$d" = "$(test-path-utils real_path "$d")" &&
+ test "$d/$nopath" = "$(test-path-utils real_path "$d/$nopath")"
+'
+
+test_expect_success POSIX 'real path removes extra leading slashes' '
+ nopath="hopefully-absent-path" &&
+ test "/" = "$(test-path-utils real_path "///")" &&
+ test "/$nopath" = "$(test-path-utils real_path "///$nopath")" &&
+ # Find an existing top-level directory for the remaining tests:
+ d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
+ test "$d" = "$(test-path-utils real_path "//$d")" &&
+ test "$d/$nopath" = "$(test-path-utils real_path "//$d/$nopath")"
+'
+
+test_expect_success 'real path removes other extra slashes' '
+ nopath="hopefully-absent-path" &&
+ # Find an existing top-level directory for the remaining tests:
+ d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
+ test "$d" = "$(test-path-utils real_path "$d///")" &&
+ test "$d/$nopath" = "$(test-path-utils real_path "$d///$nopath")"
+'
+
+test_expect_success SYMLINKS 'real path works on symlinks' '
+ mkdir first &&
+ ln -s ../.git first/.git &&
+ mkdir second &&
+ ln -s ../first second/other &&
+ mkdir third &&
+ dir="$(cd .git; pwd -P)" &&
+ dir2=third/../second/other/.git &&
+ test "$dir" = "$(test-path-utils real_path $dir2)" &&
+ file="$dir"/index &&
+ test "$file" = "$(test-path-utils real_path $dir2/index)" &&
+ basename=blub &&
+ test "$dir/$basename" = "$(cd .git && test-path-utils real_path "$basename")" &&
+ ln -s ../first/file .git/syml &&
+ sym="$(cd first; pwd -P)"/file &&
+ test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
+'
+
test_done