1 files changed, 30 insertions, 0 deletions
diff --git a/test/functional/legacy/writefile_spec.lua b/test/functional/legacy/writefile_spec.lua
new file mode 100644
index 0000000000..e7a260bcd9
--- /dev/null
+++ b/test/functional/legacy/writefile_spec.lua
@@ -0,0 +1,30 @@
+-- Tests for writefile()
+
+local helpers = require('test.functional.helpers')
+local feed, insert, source = helpers.feed, helpers.insert, helpers.source
+local clear, execute, expect = helpers.clear, helpers.execute, helpers.expect
+
+describe('writefile', function()
+  setup(clear)
+
+  it('is working', function()
+    execute('%delete _')
+    execute('let f = tempname()')
+    execute('call writefile(["over","written"], f, "b")')
+    execute('call writefile(["hello","world"], f, "b")')
+    execute('call writefile(["!", "good"], f, "a")')
+    execute('call writefile(["morning"], f, "ab")')
+    execute('call writefile(["", "vimmers"], f, "ab")')
+    execute('bwipeout!')
+    execute('$put =readfile(f)')
+    execute('1 delete _')
+
+    -- Assert buffer contents.
+    expect([[
+      hello
+      world!
+      good
+      morning
+      vimmers]])
+  end)
+end)