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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/scan_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/scan_spec.rb')
-rw-r--r--spec/ruby/library/stringscanner/scan_spec.rb43
1 files changed, 43 insertions, 0 deletions
diff --git a/spec/ruby/library/stringscanner/scan_spec.rb b/spec/ruby/library/stringscanner/scan_spec.rb
new file mode 100644
index 0000000000..84a0f27f08
--- /dev/null
+++ b/spec/ruby/library/stringscanner/scan_spec.rb
@@ -0,0 +1,43 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'strscan'
+
+describe "StringScanner#scan" do
+ before :each do
+ @s = StringScanner.new("This is a test")
+ end
+
+ it "returns the matched string" do
+ @s.scan(/\w+/).should == "This"
+ @s.scan(/.../).should == " is"
+ @s.scan(//).should == ""
+ @s.scan(/\s+/).should == " "
+ end
+
+ it "treats ^ as matching from the beginning of the current position" do
+ @s.scan(/\w+/).should == "This"
+ @s.scan(/^\d/).should be_nil
+ @s.scan(/^\s/).should == " "
+ end
+
+ it "returns nil if there's no match" do
+ @s.scan(/\d/).should == nil
+ end
+
+ it "returns nil when there is no more to scan" do
+ @s.scan(/[\w\s]+/).should == "This is a test"
+ @s.scan(/\w+/).should be_nil
+ end
+
+ it "returns an empty string when the pattern matches empty" do
+ @s.scan(/.*/).should == "This is a test"
+ @s.scan(/.*/).should == ""
+ @s.scan(/./).should be_nil
+ end
+
+ it "raises a TypeError if pattern isn't a Regexp" do
+ lambda { @s.scan("aoeu") }.should raise_error(TypeError)
+ lambda { @s.scan(5) }.should raise_error(TypeError)
+ lambda { @s.scan(:test) }.should raise_error(TypeError)
+ lambda { @s.scan(mock('x')) }.should raise_error(TypeError)
+ end
+end