fix autoUpdateProgress percent and add test case

components/upload/Upload.tsx

@@ -79,7 +79,7 @@ export default class Upload extends React.Component<UploadProps, UploadState> {
     this.progressTimer = setInterval(() => {
       curPercent = getPercent(curPercent);
       this.onProgress({
-        percent: curPercent,
+        percent: curPercent * 100,
       }, file);
     }, 200);
   }

components/upload/__tests__/upload.test.js

@@ -86,6 +86,43 @@ describe('Upload', () => {
     });
   });
 
+  it('should increase percent automaticly when call autoUpdateProgress in IE', (done) => {
+    let uploadInstance;
+    let lastPercent = -1;
+    const props = {
+      action: 'http://jsonplaceholder.typicode.com/posts/',
+      onChange: ({ file }) => {
+        if (file.percent === 0 && file.status === 'uploading') {
+          // manually call it
+          uploadInstance.autoUpdateProgress(0, file);
+        }
+        if (file.status === 'uploading') {
+          expect(file.percent).toBeGreaterThan(lastPercent);
+          lastPercent = file.percent;
+        }
+        if (file.status === 'done' || file.status === 'error') {
+          done();
+        }
+      },
+    };
+
+    const wrapper = mount(
+      <Upload {...props}>
+        <button>upload</button>
+      </Upload>
+    );
+
+    wrapper.find('input').simulate('change', {
+      target: {
+        files: [
+          { file: 'foo.png' },
+        ],
+      },
+    });
+
+    uploadInstance = wrapper.instance();
+  });
+
   it('should not stop upload when return value of beforeUpload is not false', (done) => {
     const data = jest.fn();
     const props = {

components/upload/utils.tsx

@@ -39,7 +39,7 @@ export function genPercentAdd() {
     if (k < 0.001) {
       k = 0.001;
     }
-    return start * 100;
+    return start;
   };
 }