add mock for getCutoutInfo

Signed-off-by: xpeng <pengxin33@huawei.com>
Change-Id: I2ff8847d1cb9a04acbfdd3d5779cd6a507f0d0df

runtime/main/extend/systemplugin/napi/ohos_display.js

@@ -30,6 +30,29 @@ const DisplayType = {
   change: 'change'
 }
 
+export const Rect = {
+  left: '[PC preview] unknow left',
+  top: '[PC preview] unknow top',
+  width: '[PC preview] unknow width',
+  height: '[PC preview] unknow height',
+}
+
+export const WaterfallDisplayAreaRects = {
+  left: Rect,
+  top: Rect,
+  width: Rect,
+  height: Rect
+}
+
+export const allBoudingRectsMock = [
+  Rect
+]
+
+export const CutoutInfo = {
+  boundingRects: allBoudingRectsMock,
+  waterfallDisplayAreaRects: WaterfallDisplayAreaRects
+}
+
 export const Display = {
   id: '[PC preview] unknow id',
   name: '[PC preview] unknow name',
@@ -43,7 +66,19 @@ export const Display = {
   densityPixels: '[PC preview] unknow densityPixels',
   scaledDensity: '[PC preview] unknow scaledDensity',
   xDPI: '[PC preview] unknow xDPI',
-  yDPI: '[PC preview] unknow yDPI'
+  yDPI: '[PC preview] unknow yDPI',
+  getCutoutInfo: function(...args) {
+    console.warn('Display.getCutoutInfo interface mocked in the Previewer. How this interface works on the' +
+      ' Previewer may be different from that on a real device.');
+    const len = args.length;
+    if (typeof args[len - 1] === 'function') {
+      args[len - 1].call(this, paramMock.businessErrorMock, CutoutInfo);
+    } else {
+      return new Promise((resolve) => {
+        resolve(CutoutInfo);
+      });
+    }
+  }
 }
 
 export function mockDisplay() {