X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=t%2Ft7201-co.sh;h=ed2e9ee3c6fea4767f0aa288dca02825569abedf;hb=55246aac6717e86c14f31391ac903ed810d1a9a0;hp=867bbd26cbbacbe03ef76cadb6ff34976c324da5;hpb=ea44949605781d1947ba1422ee541867e7ce9b81;p=git.git

diff --git a/t/t7201-co.sh b/t/t7201-co.sh
index 867bbd26c..ed2e9ee3c 100755
--- 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 +142,92 @@ 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_expect_success 'checkout with ambiguous tag/branch names' '
+
+	git tag both side &&
+	git branch both master &&
+	git reset --hard &&
+	git checkout master &&
+
+	git checkout both &&
+	H=$(git rev-parse --verify HEAD) &&
+	M=$(git show-ref -s --verify refs/heads/master) &&
+	test "z$H" = "z$M" &&
+	name=$(git symbolic-ref HEAD 2>/dev/null) &&
+	test "z$name" = zrefs/heads/both
+
+'
+
+test_expect_success 'checkout with ambiguous tag/branch names' '
+
+	git reset --hard &&
+	git checkout master &&
+
+	git tag frotz side &&
+	git branch frotz master &&
+	git reset --hard &&
+	git checkout master &&
+
+	git checkout tags/frotz &&
+	H=$(git rev-parse --verify HEAD) &&
+	S=$(git show-ref -s --verify refs/heads/side) &&
+	test "z$H" = "z$S" &&
+	if name=$(git symbolic-ref HEAD 2>/dev/null)
+	then
+		echo "Bad -- should have detached"
+		false
+	else
+		: happy
+	fi
+
+'
+
 test_done