mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
401b64c4e8
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
28 lines
621 B
Ruby
28 lines
621 B
Ruby
require_relative '../../spec_helper'
|
|
require 'strscan'
|
|
|
|
describe "StringScanner#match?" do
|
|
before :each do
|
|
@s = StringScanner.new("This is a test")
|
|
end
|
|
|
|
it "returns the length of the match and the scan pointer is not advanced" do
|
|
@s.match?(/\w+/).should == 4
|
|
@s.match?(/\w+/).should == 4
|
|
@s.pos.should == 0
|
|
end
|
|
|
|
it "returns nil if there's no match" do
|
|
@s.match?(/\d+/).should == nil
|
|
@s.match?(/\s+/).should == nil
|
|
end
|
|
|
|
it "effects pre_match" do
|
|
@s.scan(/\w+/)
|
|
@s.scan(/\s/)
|
|
|
|
@s.pre_match.should == "This"
|
|
@s.match?(/\w+/)
|
|
@s.pre_match.should == "This "
|
|
end
|
|
end
|