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

spec/ruby/library/scanf/string/shared/block_scanf.rb

@@ -0,0 +1,25 @@
+require 'scanf'
+
+describe :scanf_string_block_scanf, shared: true do
+  it "passes each match to the block as an array" do
+    a = []
+    "hello world".send(@method, "%s%s"){|w| a << w}
+    a.should == [["hello", "world"]]
+  end
+
+  it "keeps scanning the input and cycling back to the beginning of the input string" do
+    a = []
+    "hello world".send(@method, "%s"){|w| a << w}
+    a.should == [["hello"], ["world"]]
+
+    string = "123 abc 456 def 789 ghi"
+    s = string.send(@method, "%d%s"){|num,str| [num * 2, str.upcase]}
+    s.should == [[246, "ABC"], [912, "DEF"], [1578, "GHI"]]
+  end
+
+  it "returns an empty array when a wrong specifier is passed" do
+    a = []
+    "hello world".send(@method, "%z"){|w| a << w}
+    a.empty?.should be_true
+  end
+end