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-rw-r--r--tests/core/functional/logic_spec.lua5
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/core/functional/logic_spec.lua b/tests/core/functional/logic_spec.lua
index 19ac8bb7..291d8979 100644
--- a/tests/core/functional/logic_spec.lua
+++ b/tests/core/functional/logic_spec.lua
@@ -41,4 +41,9 @@ describe("functional: logic", function()
assert.equals("Hello World!", planetary_object "World!")
assert.equals("to the Moon!", planetary_object "Moon!")
end)
+
+ it("should give complements", function()
+ assert.is_true(_.complement(_.is_nil, "not nil"))
+ assert.is_false(_.complement(_.is_nil, nil))
+ end)
end)