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# frozen_string_literal: true
require_relative "../helper"
module Arel
module Nodes
class TestUnaryOperation < Arel::Test
def test_construct
operation = UnaryOperation.new :-, 1
assert_equal :-, operation.operator
assert_equal 1, operation.expr
end
def test_operation_alias
operation = UnaryOperation.new :-, 1
aliaz = operation.as("zomg")
assert_kind_of As, aliaz
assert_equal operation, aliaz.left
assert_equal "zomg", aliaz.right
end
def test_operation_ordering
operation = UnaryOperation.new :-, 1
ordering = operation.desc
assert_kind_of Descending, ordering
assert_equal operation, ordering.expr
assert ordering.descending?
end
def test_equality_with_same_ivars
array = [UnaryOperation.new(:-, 1), UnaryOperation.new(:-, 1)]
assert_equal 1, array.uniq.size
end
def test_inequality_with_different_ivars
array = [UnaryOperation.new(:-, 1), UnaryOperation.new(:-, 2)]
assert_equal 2, array.uniq.size
end
end
end
end
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