1 files changed, 23 insertions, 1 deletions
diff --git a/spec/ruby/core/proc/shared/call_arguments.rb b/spec/ruby/core/proc/shared/call_arguments.rb
index 2e510b194e..91ada3439e 100644
--- a/spec/ruby/core/proc/shared/call_arguments.rb
+++ b/spec/ruby/core/proc/shared/call_arguments.rb
@@ -1,7 +1,29 @@
 describe :proc_call_block_args, shared: true do
   it "can receive block arguments" do
     Proc.new {|&b| b.send(@method)}.send(@method) {1 + 1}.should == 2
-    lambda {|&b| b.send(@method)}.send(@method) {1 + 1}.should == 2
+    -> &b { b.send(@method)}.send(@method) {1 + 1}.should == 2
     proc {|&b| b.send(@method)}.send(@method) {1 + 1}.should == 2
   end
+
+  it "yields to the block given at declaration and not to the block argument" do
+    proc_creator = Object.new
+    def proc_creator.create
+      Proc.new do |&b|
+        yield
+      end
+    end
+    a_proc = proc_creator.create { 7 }
+    a_proc.send(@method) { 3 }.should == 7
+  end
+
+  it "can call its block argument declared with a block argument" do
+    proc_creator = Object.new
+    def proc_creator.create(method_name)
+      Proc.new do |&b|
+        yield + b.send(method_name)
+      end
+    end
+    a_proc = proc_creator.create(@method) { 7 }
+    a_proc.call { 3 }.should == 10
+  end
 end