Merge pull request #1567 from bfredl/systemlist

systemlist: add `keepempty` option to preserve final newline

1 files changed, 22 insertions, 0 deletions

diff --git a/test/functional/shell/viml_system_spec.lua b/test/functional/shell/viml_system_spec.lua
index 8d212c1375..48dc518d7b 100644
--- a/test/functional/shell/viml_system_spec.lua
+++ b/test/functional/shell/viml_system_spec.lua
@@ -188,6 +188,28 @@ describe('systemlist()', function()
     end)
   end)
 
+  describe('handles empty lines', function()
+    it('in the middle', function()
+      eq({'line one','','line two'}, eval("systemlist('cat',['line one','','line two'])"))
+    end)
+
+    it('in the beginning', function()
+      eq({'','line one','line two'}, eval("systemlist('cat',['','line one','line two'])"))
+    end)
+  end)
+
+  describe('when keepempty option is', function()
+    it('0, ignores trailing newline', function()
+      eq({'aa','bb'}, eval("systemlist('cat',['aa','bb'],0)"))
+      eq({'aa','bb'}, eval("systemlist('cat',['aa','bb',''],0)"))
+    end)
+
+    it('1, preserves trailing newline', function()
+      eq({'aa','bb'}, eval("systemlist('cat',['aa','bb'],1)"))
+      eq({'aa','bb',''}, eval("systemlist('cat',['aa','bb',''],2)"))
+    end)
+  end)
+
   if xclip then
     describe("with a program that doesn't close stdout", function()
       it('will exit properly after passing input', function()