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require 'test/unit'
class TestKeywordArguments < Test::Unit::TestCase
def f1(str: "foo", num: 424242)
[str, num]
end
def test_f1
assert_equal(["foo", 424242], f1)
assert_equal(["bar", 424242], f1(str: "bar"))
assert_equal(["foo", 111111], f1(num: 111111))
assert_equal(["bar", 111111], f1(str: "bar", num: 111111))
assert_raise(ArgumentError) { f1(str: "bar", check: true) }
assert_raise(ArgumentError) { f1("string") }
end
def f2(x, str: "foo", num: 424242)
[x, str, num]
end
def test_f2
assert_equal([:xyz, "foo", 424242], f2(:xyz))
end
def f3(str: "foo", num: 424242, **h)
[str, num, h]
end
def test_f3
assert_equal(["foo", 424242, {}], f3)
assert_equal(["bar", 424242, {}], f3(str: "bar"))
assert_equal(["foo", 111111, {}], f3(num: 111111))
assert_equal(["bar", 111111, {}], f3(str: "bar", num: 111111))
assert_equal(["bar", 424242, {:check=>true}], f3(str: "bar", check: true))
assert_raise(ArgumentError) { f3("string") }
end
define_method(:f4) {|str: "foo", num: 424242| [str, num] }
def test_f4
assert_equal(["foo", 424242], f4)
assert_equal(["bar", 424242], f4(str: "bar"))
assert_equal(["foo", 111111], f4(num: 111111))
assert_equal(["bar", 111111], f4(str: "bar", num: 111111))
assert_raise(ArgumentError) { f4(str: "bar", check: true) }
assert_raise(ArgumentError) { f4("string") }
end
define_method(:f5) {|str: "foo", num: 424242, **h| [str, num, h] }
def test_f5
assert_equal(["foo", 424242, {}], f5)
assert_equal(["bar", 424242, {}], f5(str: "bar"))
assert_equal(["foo", 111111, {}], f5(num: 111111))
assert_equal(["bar", 111111, {}], f5(str: "bar", num: 111111))
assert_equal(["bar", 424242, {:check=>true}], f5(str: "bar", check: true))
assert_raise(ArgumentError) { f5("string") }
end
def f6(str: "foo", num: 424242, **h, &blk)
[str, num, h, blk]
end
def test_f6 # [ruby-core:40518]
assert_equal(["foo", 424242, {}, nil], f6)
assert_equal(["bar", 424242, {}, nil], f6(str: "bar"))
assert_equal(["foo", 111111, {}, nil], f6(num: 111111))
assert_equal(["bar", 111111, {}, nil], f6(str: "bar", num: 111111))
assert_equal(["bar", 424242, {:check=>true}, nil], f6(str: "bar", check: true))
a = f6 {|x| x + 42 }
assert_equal(["foo", 424242, {}], a[0, 3])
assert_equal(43, a.last.call(1))
end
def f7(*r, str: "foo", num: 424242, **h)
[r, str, num, h]
end
def test_f7 # [ruby-core:41772]
assert_equal([[], "foo", 424242, {}], f7)
assert_equal([[], "bar", 424242, {}], f7(str: "bar"))
assert_equal([[], "foo", 111111, {}], f7(num: 111111))
assert_equal([[], "bar", 111111, {}], f7(str: "bar", num: 111111))
assert_equal([[1], "foo", 424242, {}], f7(1))
assert_equal([[1, 2], "foo", 424242, {}], f7(1, 2))
assert_equal([[1, 2, 3], "foo", 424242, {}], f7(1, 2, 3))
assert_equal([[1], "bar", 424242, {}], f7(1, str: "bar"))
assert_equal([[1, 2], "bar", 424242, {}], f7(1, 2, str: "bar"))
assert_equal([[1, 2, 3], "bar", 424242, {}], f7(1, 2, 3, str: "bar"))
end
def test_lambda
f = ->(str: "foo", num: 424242) { [str, num] }
assert_equal(["foo", 424242], f[])
assert_equal(["bar", 424242], f[str: "bar"])
assert_equal(["foo", 111111], f[num: 111111])
assert_equal(["bar", 111111], f[str: "bar", num: 111111])
end
end
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