spec/array_spec.rb in visionmedia-rext-0.0.7 vs spec/array_spec.rb in visionmedia-rext-0.0.8

@@ -18,7 +18,43 @@
       it "should return elements up to position" do
         @items.to(1).should == %w( some foo )
       end
     end
     
+    describe "#chunk" do
+      it "should split an array into several containing the length of n" do
+        (1..9).to_a.chunk(3).should == [[1,2,3], [4,5,6], [7,8,9]]
+      end
+      
+      it "should accept a block, yielding each chunk" do
+        chunks = []
+        (1..9).to_a.in_groups_of(3) do |chunk|
+          chunks << chunk
+        end
+        chunks.should == [[1,2,3], [4,5,6], [7,8,9]]
+      end
+      
+      it "should pad with nil by default" do
+        (1..5).to_a.in_groups_of(4).should == [[1,2,3,4], [5,nil,nil,nil]]
+      end
+      
+      it "should not padd when pad_with is false" do
+        (1..6).to_a.in_groups_of(4, false).should == [[1,2,3,4], [5,6]]
+      end
+    end
+    
+    describe "#pad" do
+      it "should pad with nil by default" do
+        [1,2].pad(4).should == [1, 2, nil, nil]
+      end
+      
+      it "should pad an with an object" do
+        [1,2].pad(3 ,'x').should == [1, 2, 'x']
+      end
+      
+      it "should do nothing when the array is of expected length" do
+        [1,2].pad(2).should == [1,2]
+      end
+    end
+    
   end
 end
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