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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/stringscanner/pre_match_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/library/stringscanner/pre_match_spec.rb')
-rw-r--r--spec/ruby/library/stringscanner/pre_match_spec.rb41
1 files changed, 41 insertions, 0 deletions
diff --git a/spec/ruby/library/stringscanner/pre_match_spec.rb b/spec/ruby/library/stringscanner/pre_match_spec.rb
new file mode 100644
index 0000000000..0d4759dc5c
--- /dev/null
+++ b/spec/ruby/library/stringscanner/pre_match_spec.rb
@@ -0,0 +1,41 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/extract_range_matched', __FILE__)
+require 'strscan'
+
+describe "StringScanner#pre_match" do
+ before :each do
+ @s = StringScanner.new("This is a test")
+ end
+
+ it "returns the pre-match (in the regular expression sense) of the last scan" do
+ @s.pre_match.should == nil
+ @s.scan(/\w+\s/)
+ @s.pre_match.should == ""
+ @s.getch
+ @s.pre_match.should == "This "
+ @s.get_byte
+ @s.pre_match.should == "This i"
+ @s.get_byte
+ @s.pre_match.should == "This is"
+ end
+
+ it "returns nil if there's no match" do
+ @s.scan(/\s+/)
+ @s.pre_match.should == nil
+ end
+
+ it "is more than just the data from the last match" do
+ @s.scan(/\w+/)
+ @s.scan_until(/a te/)
+ @s.pre_match.should == "This is "
+ end
+
+ it "is not changed when the scanner's position changes" do
+ @s.scan_until(/\s+/)
+ @s.pre_match.should == "This"
+ @s.pos -= 1
+ @s.pre_match.should == "This"
+ end
+
+ it_behaves_like :extract_range_matched, :pre_match
+end