spec/sugar-high/array_spec.rb in sugar-high-0.6.3 vs spec/sugar-high/array_spec.rb in sugar-high-0.7.0

@@ -2,102 +2,108 @@
 require 'sugar-high/array'
 
 describe "SugarHigh" do
   describe "Array ext" do
 
-    describe '#to_symbols' do    
+    describe '#to_symbols' do
       it "should translate invalid array into empty array" do
         [1, nil].to_symbols.should == []
       end
 
       it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
         [1, 'blip', [3, "hello"]].to_symbols.should == [:blip, :hello]
       end
 
       it "should translate nested array of numbers and strings into symbols only array, including numbers" do
-        [[1, 'blip', [3, "hello"]]].to_symbols_num.should == [:_1, :blip, :_3, :hello]        
+        [[1, 'blip', [3, "hello"]]].to_symbols_num.should == [:_1, :blip, :_3, :hello]
       end
 
       it "should translate nested array of numbers and strings into symbols only array, including numbers" do
-        [[1, 'blip', [1, "hello"]]].to_symbols_uniq.should include :blip, :hello        
+        [[1, 'blip', [1, "hello"]]].to_symbols_uniq.should include :blip, :hello
       end
-    end        
+    end
 
-    describe '#to_symbols!' do    
+    describe '#to_symbols!' do
       it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
         x = [1, 'hello', 'blip', [3, "hello"]].to_symbols!
         x.should include :hello, :blip
       end
-      
+
       it "should translate invalid array into empty array" do
         x = [1, nil].to_symbols!
         x.should == []
-      end      
+      end
     end
-    
-    describe '#to_strings' do    
+
+    describe '#to_strings' do
       it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
         [1, 'blip', [3, "hello"]].to_strings.should == ['blip', 'hello']
-      end      
-    end    
+      end
+    end
 
-    describe '#to_strings' do    
+    describe '#to_strings' do
       it "should translate invalid array into empty array" do
         x = [1, nil].to_strings!
         x.should == []
-      end      
+      end
 
       it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
         x = [1, 'blip', [3, "hello"]].to_strings!
         x.should == ['blip', 'hello']
-      end      
-    end    
+      end
+    end
 
-    describe '#flat_uniq' do    
+    describe '#flat_uniq' do
       it "should flatten array, remove nils and make unique" do
         [1, 'blip', ['blip', nil, 'c'], nil].flat_uniq.should == [1, 'blip', 'c']
-      end      
+      end
 
       it "should return empty list if called on nil" do
         nil.flat_uniq.should == []
-      end      
-    end    
+      end
+    end
 
-    describe '#flat_uniq!' do    
+    describe '#flat_uniq!' do
       it "should translate invalid array into empty array" do
         x = [1, nil].to_strings!
         x.should == []
-      end      
+      end
 
       it "should flatten array, remove nils and make unique" do
         x = [1, 'blip', ['blip', nil, 'c'], nil]
         x.flat_uniq!
         x.should == [1, 'blip', 'c']
       end
-    end    
+    end
 
-    describe '#sum' do    
+    describe '#sum' do
       it "should add elements in array" do
         [1, 2, 3].extend(MathArray).sum.should == 6
-      end      
+      end
     end
 
-    describe '#mean' do    
+    describe '#mean' do
       it "should find mean of elements in array" do
         [1, 2, 3].extend(MathArray).mean.should == 2
-      end      
+      end
     end
 
-    describe '#extract' do    
+    describe '#extract' do
       it "should call method on each element in array" do
         ["a", "ab", "abc"].extract(:size).extend(MathArray).mean.should == 2
-      end      
-    end    
+      end
+    end
 
-    describe '#none?' do    
+    describe '#none?' do
       it "should be none if no real values in array" do
         [nil, nil].none?.should be_true
-        nil.none?.should be_true        
-      end      
-    end    
+        nil.none?.should be_true
+      end
+    end
+
+    describe '#select!' do
+      arr = [1, 2, 3, 4]
+      arr.select!{|el| el % 2 == 0}
+      arr.should == [2, 4]
+    end
   end
 end