Merge pull request #111 from fanerge/master

处理直接使用 String.prototype.length 对码点大于U+010000的字符不正确的问题

__tests__/string.spec.js

@@ -107,4 +107,5 @@ describe('string', () => {
       done();
     });
   });
+
 });

__tests__/unicode.spec.js

@@ -0,0 +1,47 @@
+
+import Schema from '../src/';
+
+describe('unicode', () => {
+  it('works for unicode U+0000 to U+FFFF ', (done) => {
+    new Schema({
+      v: {
+        type: 'string',
+        len: 4
+      },
+    }).validate({
+      v: '吉吉吉吉',
+    }, (errors) => {
+      expect(errors).toBe(null);
+      done();
+    });
+  });
+
+  it('works for unicode gt U+FFFF ', (done) => {
+    new Schema({
+      v: {
+        type: 'string',
+        len: 4 // 原来length属性应该为8，更正之后应该为4
+      },
+    }).validate({
+      v: '𠮷𠮷𠮷𠮷',
+    }, (errors) => {
+      expect(errors).toBe(null);
+      done();
+    });
+  });
+
+  it('Rich Text Format', (done) => {
+    new Schema({
+      v: {
+        type: 'string',
+        len: 2 
+      },
+    }).validate({
+      v: '💩💩',
+    }, (errors) => {
+      expect(errors).toBe(null);
+      done();
+    });
+  });
+
+});