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-rw-r--r--spec/ruby/library/stringscanner/scan_spec.rb16
1 files changed, 16 insertions, 0 deletions
diff --git a/spec/ruby/library/stringscanner/scan_spec.rb b/spec/ruby/library/stringscanner/scan_spec.rb
index 23de7f07cb..8e26b80591 100644
--- a/spec/ruby/library/stringscanner/scan_spec.rb
+++ b/spec/ruby/library/stringscanner/scan_spec.rb
@@ -19,6 +19,22 @@ describe "StringScanner#scan" do
@s.scan(/^\s/).should == " "
end
+ it "treats ^ as matching from the beginning of the current position when it's not the first character in the regexp" do
+ @s.scan(/\w+/).should == "This"
+ @s.scan(/( is not|^ is a)/).should == " is a"
+ end
+
+ it "treats \\A as matching from the beginning of the current position" do
+ @s.scan(/\w+/).should == "This"
+ @s.scan(/\A\d/).should be_nil
+ @s.scan(/\A\s/).should == " "
+ end
+
+ it "treats \\A as matching from the beginning of the current position when it's not the first character in the regexp" do
+ @s.scan(/\w+/).should == "This"
+ @s.scan(/( is not|\A is a)/).should == " is a"
+ end
+
it "returns nil if there's no match" do
@s.scan(/\d/).should == nil
end