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
|
# frozen_string_literal: true
require 'spec_helper'
describe 'EcmaReValidator::Lookbehind' do
it 'should fail if regexp has a positive lookbehind' do
re = '(?<=a)b'
expect(EcmaReValidator.valid?(re)).to eql(false)
end
it 'should pass if regexp has an escaped positive lookbehind' do
re = '\\(?<=a\\)b'
expect(EcmaReValidator.valid?(re)).to eql(true)
end
it 'should fail if regexp has a negative lookbehind' do
re = '(?<!a)b'
expect(EcmaReValidator.valid?(re)).to eql(false)
end
it 'should pass if regexp has an escaped negative lookbehind' do
re = '\\(?<!a\\)b'
expect(EcmaReValidator.valid?(re)).to eql(true)
end
end
|
