1 files changed, 41 insertions, 0 deletions
diff --git a/spec/ruby/core/symbol/to_proc_spec.rb b/spec/ruby/core/symbol/to_proc_spec.rb
new file mode 100644
index 0000000000..be625994d9
--- /dev/null
+++ b/spec/ruby/core/symbol/to_proc_spec.rb
@@ -0,0 +1,41 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Symbol#to_proc" do
+  it "returns a new Proc" do
+    proc = :to_s.to_proc
+    proc.should be_kind_of(Proc)
+  end
+
+  it "sends self to arguments passed when calling #call on the Proc" do
+    obj = mock("Receiving #to_s")
+    obj.should_receive(:to_s).and_return("Received #to_s")
+    :to_s.to_proc.call(obj).should == "Received #to_s"
+  end
+
+  it "raises an ArgumentError when calling #call on the Proc without receiver" do
+    lambda { :object_id.to_proc.call }.should raise_error(ArgumentError)
+  end
+
+  it "produces a proc that always returns [[:rest]] for #parameters" do
+    pr = :to_s.to_proc
+    pr.parameters.should == [[:rest]]
+  end
+end
+
+describe "Symbol#to_proc" do
+  before :all do
+    @klass = Class.new do
+      def m
+        yield
+      end
+
+      def to_proc
+        :m.to_proc.call(self) { :value }
+      end
+    end
+  end
+
+  it "passes along the block passed to Proc#call" do
+    @klass.new.to_proc.should == :value
+  end
+end