1 files changed, 58 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/readline_spec.rb b/spec/ruby/library/stringio/readline_spec.rb
new file mode 100644
index 0000000000..3f026080e2
--- /dev/null
+++ b/spec/ruby/library/stringio/readline_spec.rb
@@ -0,0 +1,58 @@
+require_relative '../../spec_helper'
+require "stringio"
+require_relative 'fixtures/classes'
+require_relative "shared/gets"
+
+describe "StringIO#readline" do
+  describe "when passed [separator]" do
+    it_behaves_like :stringio_gets_separator, :readline
+
+    it "raises an IOError if self is at the end" do
+      @io = StringIO.new("this>is>an>example")
+
+      @io.pos = 36
+      -> { @io.readline(">") }.should.raise(IOError)
+    end
+  end
+
+  describe "when passed [limit]" do
+    it_behaves_like :stringio_gets_limit, :readline
+
+    it "raises an IOError if self is at the end" do
+      @io = StringIO.new("this>is>an>example")
+
+      @io.pos = 36
+      -> { @io.readline(3) }.should.raise(IOError)
+    end
+  end
+
+  describe "when passed [separator] and [limit]" do
+    it_behaves_like :stringio_gets_separator_and_limit, :readline
+
+    it "raises an IOError if self is at the end" do
+      @io = StringIO.new("this>is>an>example")
+
+      @io.pos = 36
+      -> { @io.readline(">", 3) }.should.raise(IOError)
+    end
+  end
+
+  describe "when passed no argument" do
+    it_behaves_like :stringio_gets_no_argument, :readline
+
+    it "raises an IOError if self is at the end" do
+      @io = StringIO.new("this>is>an>example")
+
+      @io.pos = 36
+      -> { @io.readline }.should.raise(IOError)
+    end
+  end
+
+  describe "when passed [chomp]" do
+    it_behaves_like :stringio_gets_chomp, :readline
+  end
+
+  describe "when in write-only mode" do
+    it_behaves_like :stringio_gets_write_only, :readline
+  end
+end