5 files changed, 75 insertions, 0 deletions
diff --git a/spec/ruby/library/scanf/io/block_scanf_spec.rb b/spec/ruby/library/scanf/io/block_scanf_spec.rb
new file mode 100644
index 0000000000..0f6188f91c
--- /dev/null
+++ b/spec/ruby/library/scanf/io/block_scanf_spec.rb
@@ -0,0 +1,7 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../shared/block_scanf.rb', __FILE__)
+require 'scanf'
+
+describe "IO#block_scanf" do
+  it_behaves_like(:scanf_io_block_scanf, :block_scanf)
+end
diff --git a/spec/ruby/library/scanf/io/fixtures/date.txt b/spec/ruby/library/scanf/io/fixtures/date.txt
new file mode 100644
index 0000000000..a1bd635c0c
--- /dev/null
+++ b/spec/ruby/library/scanf/io/fixtures/date.txt
@@ -0,0 +1,4 @@
+Beethoven  1770
+Bach       1685
+Handel     1685
+
diff --git a/spec/ruby/library/scanf/io/fixtures/helloworld.txt b/spec/ruby/library/scanf/io/fixtures/helloworld.txt
new file mode 100644
index 0000000000..3b18e512db
--- /dev/null
+++ b/spec/ruby/library/scanf/io/fixtures/helloworld.txt
@@ -0,0 +1 @@
+hello world
diff --git a/spec/ruby/library/scanf/io/scanf_spec.rb b/spec/ruby/library/scanf/io/scanf_spec.rb
new file mode 100644
index 0000000000..27c3142678
--- /dev/null
+++ b/spec/ruby/library/scanf/io/scanf_spec.rb
@@ -0,0 +1,35 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../shared/block_scanf.rb', __FILE__)
+require 'scanf'
+
+describe "IO#scanf" do
+  before :each do
+    @hw = File.open(File.dirname(__FILE__) + '/fixtures/helloworld.txt', 'r')
+    @data = File.open(File.dirname(__FILE__) + '/fixtures/date.txt', 'r')
+  end
+
+  after :each do
+    @hw.close unless @hw.closed?
+    @data.close unless @data.closed?
+  end
+
+  it "returns an array containing the input converted in the specified type" do
+    @hw.scanf("%s%s").should == ["hello", "world"]
+    @data.scanf("%s%d").should == ["Beethoven", 1770]
+  end
+
+  it "returns an array containing the input converted in the specified type with given maximum field width" do
+    @hw.scanf("%2s").should == ["he"]
+    @data.scanf("%2c").should == ["Be"]
+  end
+
+  it "returns an empty array when a wrong specifier is passed" do
+    @hw.scanf("%a").should == []
+    @hw.scanf("%1").should == []
+    @data.scanf("abc").should == []
+  end
+end
+
+describe "IO#scanf with block" do
+  it_behaves_like(:scanf_io_block_scanf, :scanf)
+end
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..8c5bffb93b
--- /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(File.dirname(__FILE__) + '/../fixtures/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