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
|
# frozen_string_literal: true
# Don't bother checking this on these engines, this is such a specific Ripper
# test.
return if RUBY_ENGINE != "ruby"
require_relative "test_helper"
module Prism
class BOMTest < TestCase
def test_ident
assert_bom("foo")
end
def test_back_reference
assert_bom("$+")
end
def test_instance_variable
assert_bom("@foo")
end
def test_class_variable
assert_bom("@@foo")
end
def test_global_variable
assert_bom("$foo")
end
def test_numbered_reference
assert_bom("$1")
end
def test_percents
assert_bom("%i[]")
assert_bom("%r[]")
assert_bom("%s[]")
assert_bom("%q{}")
assert_bom("%w[]")
assert_bom("%x[]")
assert_bom("%I[]")
assert_bom("%W[]")
assert_bom("%Q{}")
end
def test_string
assert_bom("\"\"")
assert_bom("''")
end
private
def assert_bom(source)
bommed = "\xEF\xBB\xBF#{source}"
assert_equal Prism.lex_ripper(bommed), Prism.lex_compat(bommed).value
end
end
end
|
