1 files changed, 27 insertions, 0 deletions
diff --git a/spec/ruby/core/proc/shared/to_s.rb b/spec/ruby/core/proc/shared/to_s.rb
new file mode 100644
index 0000000000..c3f82a73f3
--- /dev/null
+++ b/spec/ruby/core/proc/shared/to_s.rb
@@ -0,0 +1,27 @@
+describe :proc_to_s, shared: true do
+  describe "for a proc created with Proc.new" do
+    it "returns a description optionally including file and line number" do
+      Proc.new { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:4)?>$/
+    end
+  end
+
+  describe "for a proc created with lambda" do
+    it "returns a description including '(lambda)' and optionally including file and line number" do
+      lambda { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:10)? \(lambda\)>$/
+    end
+  end
+
+  describe "for a proc created with proc" do
+    it "returns a description optionally including file and line number" do
+      proc { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:16)?>$/
+    end
+  end
+
+  describe "for a proc created with UnboundMethod#to_proc" do
+    it "returns a description including '(lambda)' and optionally including file and line number" do
+      def hello; end
+
+      method("hello").to_proc.send(@method).should =~ /^#<Proc:([^ ]*?)(@([^ ]*)\/to_s\.rb:22)? \(lambda\)>$/
+    end
+  end
+end