t/helper: add test-oidmap.c

diff --git a/t/t2012-checkout-last.sh b/t/t2012-checkout-last.sh
index 87b30a268c66848726baec5676e73b8db686806d..e7ba8c505f579ab5cd53ee713eaf6ca894e471a1 100755 (executable)
--- a/t/t2012-checkout-last.sh
+++ b/t/t2012-checkout-last.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-test_description='checkout can switch to last branch'
+test_description='checkout can switch to last branch and merge base'
 
 . ./test-lib.sh
 
@@ -91,4 +91,63 @@ test_expect_success 'switch to twelfth from the last' '
        test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch13"
 '
 
+test_expect_success 'merge base test setup' '
+       git checkout -b another other &&
+       echo "hello again" >>world &&
+       git add world &&
+       git commit -m third
+'
+
+test_expect_success 'another...master' '
+       git checkout another &&
+       git checkout another...master &&
+       test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
+'
+
+test_expect_success '...master' '
+       git checkout another &&
+       git checkout ...master &&
+       test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
+'
+
+test_expect_success 'master...' '
+       git checkout another &&
+       git checkout master... &&
+       test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
+'
+
+test_expect_success '"checkout -" works after a rebase A' '
+       git checkout master &&
+       git checkout other &&
+       git rebase master &&
+       git checkout - &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
+'
+
+test_expect_success '"checkout -" works after a rebase A B' '
+       git branch moodle master~1 &&
+       git checkout master &&
+       git checkout other &&
+       git rebase master moodle &&
+       git checkout - &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
+'
+
+test_expect_success '"checkout -" works after a rebase -i A' '
+       git checkout master &&
+       git checkout other &&
+       git rebase -i master &&
+       git checkout - &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
+'
+
+test_expect_success '"checkout -" works after a rebase -i A B' '
+       git branch foodle master~1 &&
+       git checkout master &&
+       git checkout other &&
+       git rebase master foodle &&
+       git checkout - &&
+       test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
+'
+
 test_done