extend rev-parse test for --is-inside-work-tree

diff --git a/t/t7201-co.sh b/t/t7201-co.sh
index 867bbd26cbbacbe03ef76cadb6ff34976c324da5..5fa6a45577894e05446351fc5076a27accb1fa9f 100755 (executable)
--- a/t/t7201-co.sh
+++ b/t/t7201-co.sh
@@ -3,7 +3,20 @@
 # Copyright (c) 2006 Junio C Hamano
 #
 
-test_description='git-checkout tests.'
+test_description='git-checkout tests.
+
+Creates master, forks renamer and side branches from it.
+Test switching across them.
+
+  ! [master] Initial A one, A two
+   * [renamer] Renamer R one->uno, M two
+    ! [side] Side M one, D two, A three
+  ---
+    + [side] Side M one, D two, A three
+   *  [renamer] Renamer R one->uno, M two
+  +*+ [master] Initial A one, A two
+
+'
 
 . ./test-lib.sh
 
@@ -129,4 +142,52 @@ test_expect_success 'checkout -m with merge conflict' '
        ! test -s current
 '
 
+test_expect_success 'checkout to detach HEAD' '
+
+       git checkout -f renamer && git clean &&
+       git checkout renamer^ &&
+       H=$(git rev-parse --verify HEAD) &&
+       M=$(git show-ref -s --verify refs/heads/master) &&
+       test "z$H" = "z$M" &&
+       if git symbolic-ref HEAD >/dev/null 2>&1
+       then
+               echo "OOPS, HEAD is still symbolic???"
+               false
+       else
+               : happy
+       fi
+'
+
+test_expect_success 'checkout to detach HEAD with branchname^' '
+
+       git checkout -f master && git clean &&
+       git checkout renamer^ &&
+       H=$(git rev-parse --verify HEAD) &&
+       M=$(git show-ref -s --verify refs/heads/master) &&
+       test "z$H" = "z$M" &&
+       if git symbolic-ref HEAD >/dev/null 2>&1
+       then
+               echo "OOPS, HEAD is still symbolic???"
+               false
+       else
+               : happy
+       fi
+'
+
+test_expect_success 'checkout to detach HEAD with HEAD^0' '
+
+       git checkout -f master && git clean &&
+       git checkout HEAD^0 &&
+       H=$(git rev-parse --verify HEAD) &&
+       M=$(git show-ref -s --verify refs/heads/master) &&
+       test "z$H" = "z$M" &&
+       if git symbolic-ref HEAD >/dev/null 2>&1
+       then
+               echo "OOPS, HEAD is still symbolic???"
+               false
+       else
+               : happy
+       fi
+'
+
 test_done