1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/library/scanf/io/shared/block_scanf.rb b/spec/ruby/library/scanf/io/shared/block_scanf.rb
new file mode 100644
index 0000000000..2031f4c2b7
--- /dev/null
+++ b/spec/ruby/library/scanf/io/shared/block_scanf.rb
@@ -0,0 +1,28 @@
+require 'scanf'
+
+describe :scanf_io_block_scanf, shared: true do
+  before :each do
+    @data = File.open(fixture(__FILE__, 'date.txt'), 'r')
+  end
+
+  after :each do
+    @data.close unless @data.closed?
+  end
+
+  it "passes each match to the block as an array" do
+    res = @data.send(@method, "%s%d") { |name, year| "#{name} was born in #{year}." }
+    res.should == ["Beethoven was born in 1770.", "Bach was born in 1685.", "Handel was born in 1685."]
+  end
+
+  it "keeps scanning the input and cycling back to the beginning of the input string" do
+    a = []
+    @data.send(@method, "%s"){|w| a << w}
+    a.should == [["Beethoven"], ["1770"], ["Bach"], ["1685"], ["Handel"], ["1685"]]
+  end
+
+  it "returns an empty array when a wrong specifier is passed" do
+    a = []
+    @data.send(@method, "%z"){|w| a << w}
+    a.empty?.should be_true
+  end
+end