1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/inspect_spec.rb b/spec/ruby/library/stringio/inspect_spec.rb
new file mode 100644
index 0000000000..7c02f8d360
--- /dev/null
+++ b/spec/ruby/library/stringio/inspect_spec.rb
@@ -0,0 +1,19 @@
+require_relative '../../spec_helper'
+require "stringio"
+
+describe "StringIO#inspect" do
+  it "returns the same as #to_s" do
+    io = StringIO.new("example")
+    io.inspect.should == io.to_s
+  end
+
+  it "does not include the contents" do
+    io = StringIO.new("contents")
+    io.inspect.should_not include("contents")
+  end
+
+  it "uses the regular Object#inspect without any instance variable" do
+    io = StringIO.new("example")
+    io.inspect.should =~ /\A#<StringIO:0x\h+>\z/
+  end
+end