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-rwxr-xr-xt/t2012-checkout-last.sh94
1 files changed, 94 insertions, 0 deletions
diff --git a/t/t2012-checkout-last.sh b/t/t2012-checkout-last.sh
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+++ b/t/t2012-checkout-last.sh
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+#!/bin/sh
+
+test_description='checkout can switch to last branch'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ echo hello >world &&
+ git add world &&
+ git commit -m initial &&
+ git branch other &&
+ echo "hello again" >>world &&
+ git add world &&
+ git commit -m second
+'
+
+test_expect_success '"checkout -" does not work initially' '
+ test_must_fail git checkout -
+'
+
+test_expect_success 'first branch switch' '
+ git checkout other
+'
+
+test_expect_success '"checkout -" switches back' '
+ git checkout - &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
+'
+
+test_expect_success '"checkout -" switches forth' '
+ git checkout - &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
+'
+
+test_expect_success 'detach HEAD' '
+ git checkout $(git rev-parse HEAD)
+'
+
+test_expect_success '"checkout -" attaches again' '
+ git checkout - &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
+'
+
+test_expect_success '"checkout -" detaches again' '
+ git checkout - &&
+ test "z$(git rev-parse HEAD)" = "z$(git rev-parse other)" &&
+ test_must_fail git symbolic-ref HEAD
+'
+
+test_expect_success 'more switches' '
+ for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
+ do
+ git checkout -b branch$i
+ done
+'
+
+more_switches () {
+ for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
+ do
+ git checkout branch$i
+ done
+}
+
+test_expect_success 'switch to the last' '
+ more_switches &&
+ git checkout @{-1} &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch2"
+'
+
+test_expect_success 'switch to second from the last' '
+ more_switches &&
+ git checkout @{-2} &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch3"
+'
+
+test_expect_success 'switch to third from the last' '
+ more_switches &&
+ git checkout @{-3} &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch4"
+'
+
+test_expect_success 'switch to fourth from the last' '
+ more_switches &&
+ git checkout @{-4} &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch5"
+'
+
+test_expect_success 'switch to twelfth from the last' '
+ more_switches &&
+ git checkout @{-12} &&
+ test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch13"
+'
+
+test_done