KonvertorTests.java 文件源码

@Suppress
public void testIfScreenRotationHandledCorrectly() throws Exception {

    requestFocus(mTeNumber);
    sendKeys("1 0 0");
    requestFocus(mBtnConvert);
    sendKeys(KeyEvent.KEYCODE_ENTER);
    String expectedTvValue = mTvResult.getText().toString();
    String expectedTeValue = mTeNumber.getText().toString();

    for(int i=0; i<=10; i++) {
        if(i % 2 == 0) {
            mActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

        } else {
            mActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        }
        //FIXME :: Fix this problem.
        /*
         * The problem here is that after screen rotation mActivity and all of our fields still refer to the old activity that we had and so assertEquals
         * methods wrongly return true. So first we must renew our mActivity and all other references. The following solution does not solve our problem
         * But currently I do not have enough time to solve this issue so I @Suppress it for now. For more information refer to:
         * http://stackoverflow.com/questions/10982370/instrumentation-test-for-android-how-to-receive-new-activity-after-orientation
         * For now I use Instrumentation.callActivityOnSaveInstanceState.  
         */
        mActivity.finish();
        setActivity(null);
        setUp();
        getInstrumentation().waitForIdleSync();
        assertEquals("TeNumber value is not valid after rotation", expectedTeValue, mTeNumber.getText().toString());
        assertEquals("TvResult value is not valid after rotation",expectedTvValue, mTvResult.getText().toString());
    }   
}