fix(Checkbox): add label cursor

Author: guanpu

src/checkbox/main.scss

@@ -123,6 +123,9 @@
             border-color: $checkbox-hovered-border-color;
             background-color: $checkbox-hovered-bg-color;
         }
+        #{$checkbox-prefix}-label {
+            cursor: pointer;
+        }
     }
 
     &.indeterminate:not(.disabled):hover,

src/radio/main.scss

@@ -22,6 +22,7 @@
             width: $radio-width;
             height: $radio-width;
             margin: 0;
+            cursor: pointer;
         }
     }
 
@@ -108,6 +109,9 @@
             border-color: $radio-hovered-border-color;
             background-color: $radio-hovered-bg-color;
         }
+        #{$radio-prefix}-label {
+            cursor: pointer;
+        }
     }
 
     &.checked:not(.disabled):hover,
@@ -274,7 +278,6 @@
             top: 0;
             left: 0;
             margin: 0;
-            cursor: pointer;
         }
     }
     &-group {

test/radio/a11y-spec.js

@@ -1,6 +1,7 @@
 import React from 'react';
-import Enzyme from 'enzyme';
+import Enzyme, { mount } from 'enzyme';
 import Adapter from 'enzyme-adapter-react-16';
+import assert from 'power-assert';
 import Radio from '../../src/radio/index';
 import '../../src/radio/style';
 import { unmount, testReact } from '../util/a11y/validate';
@@ -98,4 +99,37 @@ describe('Radio A11y', () => {
         );
         return wrapper;
     });
+
+    it('should add tabIndex for first Radio Item', async () => {
+        const wrapper = mount(
+            <Radio.Group >
+                <Radio id="pear" value="pear" checked>={true}
+                    梨子
+                </Radio>
+                <Radio id="apple" value="apple" className="apple">
+                    苹果
+                </Radio>
+            </Radio.Group>
+        );
+        wrapper.update();
+        assert(wrapper.find("input#pear").at(0).getDOMNode().tabIndex === 0);
+    });
+
+    it('should not add tabIndex for non Radio Item', async () => {
+        const wrapper = mount(
+            <Radio.Group defaultValue={'pear'} >
+                <div id="mywrapper" >
+                    <Radio id="pear" value="pear">
+                        梨子
+                    </Radio>
+                </div>
+                <div id='another' tabIndex="-100">
+                    <Radio id="apple" value="apple" className="apple">
+                        苹果
+                    </Radio>
+                </div>
+            </Radio.Group>
+        );
+        assert(wrapper.find("div#mywrapper").at(0).getDOMNode().tabIndex === -1);
+    });
 });