spec/re2/match_data_spec.rb in re2-0.6.1 vs spec/re2/match_data_spec.rb in re2-0.7.0

@@ -1,5 +1,7 @@
+# encoding: utf-8
+
 require "spec_helper"
 
 describe RE2::MatchData do
 
   describe "#to_a" do
@@ -67,10 +69,15 @@
       md = RE2::Regexp.new('(\d+)').match("bob 123")
       md["missing"].must_be_nil
       md[:missing].must_be_nil
     end
 
+    it "raises an error if given an inappropriate index" do
+      md = RE2::Regexp.new('(\d+)').match("bob 123")
+      lambda { md[nil] }.must_raise(TypeError)
+    end
+
     if String.method_defined?(:encoding)
       it "returns UTF-8 encoded strings by default" do
         md = RE2::Regexp.new('(?P<name>\S+)').match("bob")
         md[0].encoding.name.must_equal("UTF-8")
         md["name"].encoding.name.must_equal("UTF-8")
@@ -150,8 +157,52 @@
       md = RE2::Regexp.new('(\d+) (\d+)').match("1234 56")
       m1, m2, m3 = *md
       m1.must_equal("1234 56")
       m2.must_equal("1234")
       m3.must_equal("56")
+    end
+  end
+
+  describe "#begin" do
+    it "returns the offset of the start of a match by index" do
+      md = RE2::Regexp.new('(wo{2})').match('a woohoo')
+      md.string[md.begin(0)..-1].must_equal('woohoo')
+    end
+
+    it "returns the offset of the start of a match by string name" do
+      md = RE2::Regexp.new('(?P<foo>fo{2})').match('a foobar')
+      md.string[md.begin('foo')..-1].must_equal('foobar')
+    end
+
+    it "returns the offset of the start of a match by symbol name" do
+      md = RE2::Regexp.new('(?P<foo>fo{2})').match('a foobar')
+      md.string[md.begin(:foo)..-1].must_equal('foobar')
+    end
+
+    it "returns the offset despite multibyte characters" do
+      md = RE2::Regexp.new('(Ruby)').match('I ♥ Ruby')
+      md.string[md.begin(0)..-1].must_equal('Ruby')
+    end
+  end
+
+  describe "#end" do
+    it "returns the offset of the character following the end of a match" do
+      md = RE2::Regexp.new('(wo{2})').match('a woohoo')
+      md.string[0...md.end(0)].must_equal('a woo')
+    end
+
+    it "returns the offset of a match by string name" do
+      md = RE2::Regexp.new('(?P<foo>fo{2})').match('a foobar')
+      md.string[0...md.end('foo')].must_equal('a foo')
+    end
+
+    it "returns the offset of a match by symbol name" do
+      md = RE2::Regexp.new('(?P<foo>fo{2})').match('a foobar')
+      md.string[0...md.end(:foo)].must_equal('a foo')
+    end
+
+    it "returns the offset despite multibyte characters" do
+      md = RE2::Regexp.new('(Ruby)').match('I ♥ Ruby')
+      md.string[0...md.end(0)].must_equal('I ♥ Ruby')
     end
   end
 end