1 files changed, 39 insertions, 0 deletions
diff --git a/test/functional/eval/fnamemodify_spec.lua b/test/functional/eval/fnamemodify_spec.lua
new file mode 100644
index 0000000000..fe6b50a544
--- /dev/null
+++ b/test/functional/eval/fnamemodify_spec.lua
@@ -0,0 +1,39 @@
+local helpers = require('test.functional.helpers')(after_each)
+local clear = helpers.clear
+local eq = helpers.eq
+local iswin = helpers.iswin
+local fnamemodify = helpers.funcs.fnamemodify
+local command = helpers.command
+local write_file = helpers.write_file
+
+describe('fnamemodify()', function()
+  setup(function()
+    write_file('Xtest-fnamemodify.txt', [[foobar]])
+  end)
+
+  before_each(clear)
+
+  teardown(function()
+    os.remove('Xtest-fnamemodify.txt')
+  end)
+
+  it('works', function()
+    local root = helpers.pathroot()
+    eq(root, fnamemodify([[/]], ':p:h'))
+    eq(root, fnamemodify([[/]], ':p'))
+    if iswin() then
+      eq(root, fnamemodify([[\]], ':p:h'))
+      eq(root, fnamemodify([[\]], ':p'))
+      command('set shellslash')
+      root = string.sub(root, 1, -2)..'/'
+      eq(root, fnamemodify([[\]], ':p:h'))
+      eq(root, fnamemodify([[\]], ':p'))
+      eq(root, fnamemodify([[/]], ':p:h'))
+      eq(root, fnamemodify([[/]], ':p'))
+    end
+  end)
+
+  it(':8 works', function()
+    eq('Xtest-fnamemodify.txt', fnamemodify([[Xtest-fnamemodify.txt]], ':8'))
+  end)
+end)