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-rw-r--r--spec/ruby/library/stringscanner/matched_size_spec.rb24
1 files changed, 24 insertions, 0 deletions
diff --git a/spec/ruby/library/stringscanner/matched_size_spec.rb b/spec/ruby/library/stringscanner/matched_size_spec.rb
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index 0000000000..d9c338a07e
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+++ b/spec/ruby/library/stringscanner/matched_size_spec.rb
@@ -0,0 +1,24 @@
+require_relative '../../spec_helper'
+require 'strscan'
+
+describe "StringScanner#matched_size" do
+ before :each do
+ @s = StringScanner.new("This is a test")
+ end
+
+ it "returns the size of the most recent match" do
+ @s.check(/This/)
+ @s.matched_size.should == 4
+ @s.matched_size.should == 4
+ @s.scan(//)
+ @s.matched_size.should == 0
+ end
+
+ it "returns nil if there was no recent match" do
+ @s.matched_size.should == nil
+ @s.check(/\d+/)
+ @s.matched_size.should == nil
+ @s.terminate
+ @s.matched_size.should == nil
+ end
+end