3 files changed, 25 insertions, 1 deletions
diff --git a/src/nvim/testdir/Makefile b/src/nvim/testdir/Makefile
index 63ca4cf6c4..9f54a5918c 100644
--- a/src/nvim/testdir/Makefile
+++ b/src/nvim/testdir/Makefile
@@ -39,7 +39,8 @@ SCRIPTS := \
            test_marks.out         \
            test_match_conceal.out \
 
-NEW_TESTS =
+NEW_TESTS := \
+             test_alot.res \
 
 SCRIPTS_GUI := test16.out
 
diff --git a/src/nvim/testdir/test_alot.vim b/src/nvim/testdir/test_alot.vim
new file mode 100644
index 0000000000..ea2a19a08f
--- /dev/null
+++ b/src/nvim/testdir/test_alot.vim
@@ -0,0 +1,4 @@
+" A series of tests that can run in one Vim invocation.
+" This makes testing go faster, since Vim doesn't need to restart.
+
+source test_sort.vim
diff --git a/src/nvim/testdir/test_sort.vim b/src/nvim/testdir/test_sort.vim
new file mode 100644
index 0000000000..30dd167cd6
--- /dev/null
+++ b/src/nvim/testdir/test_sort.vim
@@ -0,0 +1,19 @@
+" Test sort()
+
+func Test_sort_strings()
+  " numbers compared as strings
+  call assert_equal([1, 2, 3], sort([3, 2, 1]))
+  call assert_equal([13, 28, 3], sort([3, 28, 13]))
+endfunc
+
+func Test_sort_numeric()
+  call assert_equal([1, 2, 3], sort([3, 2, 1], 'n'))
+  call assert_equal([3, 13, 28], sort([13, 28, 3], 'n'))
+  " strings are not sorted
+  call assert_equal(['13', '28', '3'], sort(['13', '28', '3'], 'n'))
+endfunc
+
+func Test_sort_numbers()
+  call assert_equal([3, 13, 28], sort([13, 28, 3], 'N'))
+  call assert_equal(['3', '13', '28'], sort(['13', '28', '3'], 'N'))
+endfunc