1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/lineno_spec.rb b/spec/ruby/library/stringio/lineno_spec.rb
new file mode 100644
index 0000000000..a96dc05927
--- /dev/null
+++ b/spec/ruby/library/stringio/lineno_spec.rb
@@ -0,0 +1,30 @@
+require_relative '../../spec_helper'
+require "stringio"
+
+describe "StringIO#lineno" do
+  before :each do
+    @io = StringIO.new("this\nis\nan\nexample")
+  end
+
+  it "returns the number of lines read" do
+    @io.gets
+    @io.gets
+    @io.gets
+    @io.lineno.should.eql?(3)
+  end
+end
+
+describe "StringIO#lineno=" do
+  before :each do
+    @io = StringIO.new("this\nis\nan\nexample")
+  end
+
+  it "sets the current line number, but has no impact on the position" do
+    @io.lineno = 3
+    @io.pos.should.eql?(0)
+
+    @io.gets.should == "this\n"
+    @io.lineno.should.eql?(4)
+    @io.pos.should.eql?(5)
+  end
+end