1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
require 'test/unit'
class TestMethod < Test::Unit::TestCase
def setup
@m1 = 12.method("+")
end
def test_AREF # '[]'
assert_equal(15, @m1[3])
assert_equal(9, @m1[-3])
end
def dummy1(a, b=0, c=1)
end
def test_arity
assert_equal(1, @m1.arity)
assert_equal(0, self.method("test_arity").arity)
assert_equal(-2, self.method("dummy1").arity)
assert_equal(-1, @m1.method("call").arity)
assert_equal(-1, @m1.method("respond_to?").arity)
end
def test_call
assert_equal(15, @m1.call(3))
assert_equal(9, @m1.call(-3))
end
def test_to_proc
p = @m1.to_proc
assert_instance_of(Proc, p)
assert_equal(15, p.call(3))
end
def optarg_assigns_variable(a, b=(c=1; 0))
[a, b, c]
end
def test_optarg_that_assigns_variable
assert_equal([2, 0, 1], optarg_assigns_variable(2))
assert_equal([2, 1, nil], optarg_assigns_variable(2, 1))
end
end
|
