test: rewrite Test_missing_attr() in Lua

1 files changed, 60 insertions, 0 deletions

diff --git a/test/functional/legacy/syn_attr_spec.lua b/test/functional/legacy/syn_attr_spec.lua
new file mode 100644
index 0000000000..06e8427e27
--- /dev/null
+++ b/test/functional/legacy/syn_attr_spec.lua
@@ -0,0 +1,60 @@
+local helpers = require('test.functional.helpers')(after_each)
+local clear = helpers.clear
+local command = helpers.command
+local eq = helpers.eq
+local eval = helpers.eval
+
+before_each(clear)
+
+-- oldtest: Test_missing_attr()
+it('synIDattr() works', function()
+  local bool_attrs = {
+    'bold',
+    'italic',
+    'reverse',
+    'standout',
+    'underline',
+    'undercurl',
+    'underdouble',
+    'underdotted',
+    'underdashed',
+    'strikethrough',
+    'nocombine',
+  }
+
+  command('hi Mine cterm=NONE gui=NONE')
+  eq('Mine', eval([[synIDattr(hlID("Mine"), "name")]]))
+  for _, mode in ipairs({'cterm', 'gui'}) do
+    eq('', eval(([[synIDattr("Mine"->hlID(), "bg", '%s')]]):format(mode)))
+    eq('', eval(([[synIDattr("Mine"->hlID(), "fg", '%s')]]):format(mode)))
+    eq('', eval(([[synIDattr("Mine"->hlID(), "sp", '%s')]]):format(mode)))
+    for _, attr in ipairs(bool_attrs) do
+      eq('', eval(([[synIDattr(hlID("Mine"), "%s", '%s')]]):format(attr, mode)))
+      eq('', eval(([[synIDattr(hlID("Mine"), "%s", '%s')]]):format(attr, mode)))
+      eq('', eval(([[synIDattr(hlID("Mine"), "%s", '%s')]]):format(attr, mode)))
+    end
+    eq('', eval(([[synIDattr(hlID("Mine"), "inverse", '%s')]]):format(mode)))
+  end
+
+  for i, attr1 in ipairs(bool_attrs) do
+    local attr2 = bool_attrs[i - 1] or bool_attrs[#bool_attrs]
+
+    command(('hi Mine cterm=%s gui=%s'):format(attr1, attr2))
+    eq('1', eval(([[synIDattr(hlID("Mine"), "%s", 'cterm')]]):format(attr1)))
+    eq('', eval(([[synIDattr(hlID("Mine"), "%s", 'cterm')]]):format(attr2)))
+    eq('', eval(([[synIDattr("Mine"->hlID(), "%s", 'gui')]]):format(attr1)))
+    eq('1', eval(([[synIDattr("Mine"->hlID(), "%s", 'gui')]]):format(attr2)))
+
+    command(('hi Mine cterm=%s gui=%s'):format(attr2, attr1))
+    eq('', eval(([[synIDattr("Mine"->hlID(), "%s", 'cterm')]]):format(attr1)))
+    eq('1', eval(([[synIDattr("Mine"->hlID(), "%s", 'cterm')]]):format(attr2)))
+    eq('1', eval(([[synIDattr(hlID("Mine"), "%s", 'gui')]]):format(attr1)))
+    eq('', eval(([[synIDattr(hlID("Mine"), "%s", 'gui')]]):format(attr2)))
+  end
+
+  command('hi Mine cterm=reverse gui=inverse')
+  eq('1', eval([[synIDattr(hlID("Mine"), "reverse", 'cterm')]]))
+  eq('1', eval([[synIDattr(hlID("Mine"), "inverse", 'cterm')]]))
+  eq('1', eval([[synIDattr(hlID("Mine"), "reverse", 'gui')]]))
+  eq('1', eval([[synIDattr(hlID("Mine"), "inverse", 'gui')]]))
+end)