1 files changed, 24 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/shared/eof.rb b/spec/ruby/library/stringio/shared/eof.rb
new file mode 100644
index 0000000000..a9489581fc
--- /dev/null
+++ b/spec/ruby/library/stringio/shared/eof.rb
@@ -0,0 +1,24 @@
+describe :stringio_eof, shared: true do
+  before :each do
+    @io = StringIO.new("eof")
+  end
+
+  it "returns true when self's position is greater than or equal to self's size" do
+    @io.pos = 3
+    @io.send(@method).should == true
+
+    @io.pos = 6
+    @io.send(@method).should == true
+  end
+
+  it "returns false when self's position is less than self's size" do
+    @io.pos = 0
+    @io.send(@method).should == false
+
+    @io.pos = 1
+    @io.send(@method).should == false
+
+    @io.pos = 2
+    @io.send(@method).should == false
+  end
+end