Merge pull request rubinius#1329 from jtdowney/range-fixes

Specs for Range#min and Range#max behavior on 1.8 and patch for 1.9

kernel/common/range.rb

@@ -322,12 +322,5 @@ def to_a
 
     super
   end
-
-  def max &a
-    return super(&a) if block_given?
-    return nil if @end < @begin
-    @end
-  end
-
 end
 

kernel/common/range19.rb

@@ -1,3 +1,15 @@
 class Range
   alias_method :cover?, :===
+
+  def max(&block)
+    return super(&block) if block_given?
+    return nil if @end < @begin
+    @end
+  end
+
+  def min(&block)
+    return super(&block) if block_given?
+    return nil if @end < @begin
+    @begin
+  end
 end

spec/ruby/core/range/max_spec.rb

@@ -13,6 +13,12 @@
       end
     end
 
+    ruby_version_is ""..."1.9" do
+      it "raises TypeError when called on a Float range" do
+        lambda { (303.20..908.1111).max }.should raise_error(TypeError)
+      end
+    end
+
     it "returns nil when the endpoint is less than the start point" do
       (100..10).max.should be_nil
       ('z'..'l').max.should be_nil

spec/ruby/core/range/min_spec.rb

@@ -13,6 +13,12 @@
       end
     end
 
+    ruby_version_is ""..."1.9" do
+      it "raises TypeError when called on a Float range" do
+        lambda { (303.20..908.1111).min }.should raise_error(TypeError)
+      end
+    end
+
     it "returns nil when the start point is greater than the endpoint" do
       (100..10).min.should be_nil
       ('z'..'l').min.should be_nil