Merge #4303 'vim-patch:7.4.{951,1143,1144}'.

1 files changed, 29 insertions, 0 deletions

diff --git a/test/functional/legacy/function_sort_spec.lua b/test/functional/legacy/function_sort_spec.lua
new file mode 100644
index 0000000000..9083911021
--- /dev/null
+++ b/test/functional/legacy/function_sort_spec.lua
@@ -0,0 +1,29 @@
+local helpers = require('test.functional.helpers')
+local clear = helpers.clear
+local eq = helpers.eq
+local eval = helpers.eval
+
+describe('sort', function()
+  before_each(clear)
+
+  it('numbers compared as strings', function()
+    eq({1, 2, 3}, eval('sort([3, 2, 1])'))
+    eq({13, 28, 3}, eval('sort([3, 28, 13])'))
+  end)
+
+  it('numbers compared as numeric', function()
+    eq({1, 2, 3}, eval("sort([3, 2, 1], 'n')"))
+    eq({3, 13, 28}, eval("sort([3, 28, 13], 'n')"))
+    -- Strings are not sorted.
+    eq({'13', '28', '3'}, eval("sort(['13', '28', '3'], 'n')"))
+  end)
+
+  it('numbers compared as numbers', function()
+    eq({3, 13, 28}, eval("sort([13, 28, 3], 'N')"))
+    eq({'3', '13', '28'}, eval("sort(['13', '28', '3'], 'N')"))
+  end)
+
+  it('numbers compared as float', function()
+    eq({0.28, 3, 13.5}, eval("sort([13.5, 0.28, 3], 'f')"))
+  end)
+end)