Update to ruby/spec@691755d

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60051 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/library/set/sortedset/add_spec.rb

@@ -7,9 +7,15 @@ describe "SortedSet#add" do
 
   it "takes only values which responds <=>" do
     obj = mock('no_comparison_operator')
-    obj.should_receive(:respond_to?).with(:<=>).and_return(false)
+    obj.stub!(:respond_to?).with(:<=>).and_return(false)
     lambda { SortedSet["hello"].add(obj) }.should raise_error(ArgumentError)
   end
+
+  it "raises on incompatible <=> comparison" do
+    # Use #to_a here as elements are sorted only when needed.
+    # Therefore the <=> incompatibility is only noticed on sorting.
+    lambda { SortedSet['1', '2'].add(3).to_a }.should raise_error(ArgumentError)
+  end
 end
 
 describe "SortedSet#add?" do

spec/ruby/library/set/sortedset/initialize_spec.rb

@@ -21,4 +21,10 @@ describe "SortedSet#initialize" do
     s.should include(4)
     s.should include(9)
   end
+
+  it "raises on incompatible <=> comparison" do
+    # Use #to_a here as elements are sorted only when needed.
+    # Therefore the <=> incompatibility is only noticed on sorting.
+    lambda { SortedSet.new(['00', nil]).to_a }.should raise_error(ArgumentError)
+  end
 end

spec/ruby/library/set/sortedset/to_a_spec.rb

@@ -2,7 +2,16 @@ require File.expand_path('../../../../spec_helper', __FILE__)
 require 'set'
 
 describe "SortedSet#to_a" do
-  it "returns an array containing elements of self" do
-    SortedSet[1, 2, 3].to_a.sort.should == [1, 2, 3]
+  it "returns an array containing elements" do
+    set = SortedSet.new [1, 2, 3]
+    set.to_a.should == [1, 2, 3]
+  end
+
+  it "returns a sorted array containing elements" do
+    set = SortedSet[2, 3, 1]
+    set.to_a.should == [1, 2, 3]
+
+    set = SortedSet.new [5, 6, 4, 4]
+    set.to_a.should == [4, 5, 6]
   end
 end