test/test-array.rb in red-arrow-0.12.0 vs test/test-array.rb in red-arrow-0.13.0

@@ -22,17 +22,46 @@
       assert_equal([true, false, true],
                    array.to_a)
     end
   end
 
-  test("#each") do
-    array = Arrow::BooleanArray.new([true, false, nil, true])
-    assert_equal([true, false, nil, true],
-                 array.to_a)
-  end
+  sub_test_case("instance methods") do
+    def setup
+      @values = [true, false, nil, true]
+      @array = Arrow::BooleanArray.new(@values)
+    end
 
-  test("#[]") do
-    array = Arrow::BooleanArray.new([true, false, nil, true])
-    assert_equal([true, false, nil, true],
-                 [array[0], array[1], array[2], array[3]])
+    test("#each") do
+      assert_equal(@values, @array.to_a)
+    end
+
+    sub_test_case("#[]") do
+      test("valid range") do
+        assert_equal(@values,
+                     @array.length.times.collect {|i| @array[i]})
+      end
+
+      test("out of range") do
+        assert_nil(@array[@array.length])
+      end
+
+      test("negative index") do
+        assert_equal(@values.last,
+                     @array[-1])
+      end
+    end
+
+    sub_test_case("#==") do
+      test("Arrow::Array") do
+        assert do
+          @array == @array
+        end
+      end
+
+      test("not Arrow::Array") do
+        assert do
+          not (@array == 29)
+        end
+      end
+    end
   end
 end