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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
# frozen_string_literal: false
require 'test/unit'
class TestArity < Test::Unit::TestCase
def err_mess(method_proc = nil, argc = 0)
args = (1..argc).to_a
assert_raise_with_message(ArgumentError, /wrong number of arguments \(.*\b(\d+)\b.* (\d\S*?)\)/) do
case method_proc
when nil
yield
when Symbol
method(method_proc).call(*args)
else
method_proc.call(*args)
end
end
[$1, $2]
end
def a
end
def b(a, b, c, d=1, e=2, f, g, h, i, &block)
end
def c(a, b, c, d=1, e=2, *rest)
end
def d(a, b: 42)
end
def e(a, b:42, **c)
end
def f(a, b, c=1, *rest, d: 3)
end
def test_method_err_mess
assert_equal %w[1 0], err_mess(:a, 1)
assert_equal %w[10 7..9], err_mess(:b, 10)
assert_equal %w[2 3+], err_mess(:c, 2)
assert_equal %w[2 1], err_mess(:d, 2)
assert_equal %w[0 1], err_mess(:d, 0)
assert_equal %w[2 1], err_mess(:e, 2)
assert_equal %w[0 1], err_mess(:e, 0)
assert_equal %w[1 2+], err_mess(:f, 1)
end
def test_proc_err_mess
assert_equal %w[0 1..2], err_mess(->(b, c=42){}, 0)
assert_equal %w[1 2+], err_mess(->(a, b, c=42, *d){}, 1)
assert_equal %w[3 4+], err_mess(->(a, b, *c, d, e){}, 3)
assert_equal %w[3 1..2], err_mess(->(b, c=42){}, 3)
assert_equal %w[1 0], err_mess(->(&block){}, 1)
# Double checking:
p = Proc.new{|b, c=42| :ok}
assert_equal :ok, p.call(1, 2, 3)
assert_equal :ok, p.call
end
def test_message_change_issue_6085
assert_equal %w[3 1..2], err_mess{ SignalException.new(1, "", nil) }
assert_equal %w[1 0], err_mess{ Hash.new(1){} }
assert_equal %w[3 1..2], err_mess{ Module.send :define_method, 1, 2, 3 }
assert_equal %w[1 2], err_mess{ "".sub!(//) }
assert_equal %w[0 1..2], err_mess{ "".sub!{} }
assert_equal %w[0 1+], err_mess{ exec }
assert_equal %w[0 1+], err_mess{ Struct.new }
end
end
|
