Signed-off-by: Tay Ray Chuan <rctay89@xxxxxxxxx>
---
t/t2018-checkout-branch.sh | 66 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 66 insertions(+), 0 deletions(-)
create mode 100755 t/t2018-checkout-branch.sh
diff --git a/t/t2018-checkout-branch.sh b/t/t2018-checkout-branch.sh
new file mode 100755
index 0000000..678a34f
--- /dev/null
+++ b/t/t2018-checkout-branch.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+test_description='checkout '
+
+. ./test-lib.sh
+
+# Arguments: <branch> <sha> [<checkout options>]
+do_checkout() {
+ exp_branch=$1 &&
+ exp_ref="refs/heads/$exp_branch" &&
+
+ # if <sha> is not specified, use HEAD.
+ exp_sha=${2:-$(git rev-parse --verify HEAD)} &&
+
+ git checkout ${3+"$3"} -b $exp_branch $exp_sha &&
+
+ test $exp_ref = $(git rev-parse --symbolic-full-name HEAD) &&
+ test $exp_sha = $(git rev-parse --verify HEAD)
+}
+
+test_dirty() {
+ ! git diff --exit-code >/dev/null
+}
+
+setup_dirty() {
+ echo >>file1 change2
+}
+
+test_expect_success 'setup' '
+ test_commit initial file1 &&
+ HEAD1=$(git rev-parse --verify HEAD) &&
+
+ test_commit change1 file1 &&
+ HEAD2=$(git rev-parse --verify HEAD) &&
+
+ git branch -m branch1
+'
+
+test_expect_success 'checkout -b to a new branch' '
+ do_checkout branch2
+'
+
+test_expect_success 'checkout -b to a new branch (explicit ref)' '
+ git checkout branch1 &&
+ git branch -D branch2 &&
+
+ do_checkout branch2 $HEAD1
+'
+
+test_expect_success 'checkout -b to a new branch (dirty)' '
+ git checkout branch1 &&
+ git branch -D branch2 &&
+
+ setup_dirty &&
+ test_must_fail do_checkout branch2 $HEAD1 &&
+ test_dirty
+'
+
+test_expect_success 'checkout -b to an existing branch fails' '
+ git reset --hard HEAD &&
+ git branch branch2 &&
+
+ test_must_fail do_checkout branch2 $HEAD2
+'
+
+test_done
--
1.7.1.513.g4f18
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