blob: beafadc07b0814c95387d825d060c9a03f986fb9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
require_relative '../../spec_helper'
require 'strscan'
describe "StringScanner#exist?" do
before :each do
@s = StringScanner.new("This is a test")
end
it "returns the index of the first occurrence of the given pattern" do
@s.exist?(/s/).should == 4
@s.scan(/This is/)
@s.exist?(/s/).should == 6
end
it "returns 0 if the pattern is empty" do
@s.exist?(//).should == 0
end
it "returns nil if the pattern isn't found in the string" do
@s.exist?(/S/).should == nil
@s.scan(/This is/)
@s.exist?(/i/).should == nil
end
end
|
