LocalInstrumentedUnitTest.java

package com.example.testing.testingexample;

import android.support.test.runner.AndroidJUnit4;
import android.test.suitebuilder.annotation.SmallTest;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
 * author: baiiu
 * date: on 16/4/28 11:39
 * description:
 * CommonUtil中一部分依赖framework,在此处测.
 * <br />
 * Small: this test doesn't interact with any file system or network.
 * Medium: Accesses file systems on box which is running tests.
 * Large: Accesses external file systems, networks, etc.
 * <br />
 * see more:
 * http://stackoverflow.com/questions/4671923/what-is-the-purpose-of-smalltest-mediumtest-and-largetest-annotations-in-an
 */
@RunWith(AndroidJUnit4.class) @SmallTest public class LocalInstrumentedUnitTest {

  @Before public void setUp() throws Exception {
  }

  @Test public void testIsStringEmpty() throws Exception {
    assertTrue(CommonUtil.isEmpty(""));
    assertTrue(CommonUtil.isEmpty("     "));
  }

  @Test public void testIsAllStringEmpty() throws Exception {
    assertTrue(CommonUtil.isAllEmpty("", "   ", ""));
    assertFalse(CommonUtil.isAllEmpty("哈哈哈", "  "));
  }

  @Test public void testIsOneStringEmpty() throws Exception {
    assertTrue(CommonUtil.isOneEmpty("", "   ", ""));
    assertTrue(CommonUtil.isOneEmpty("", "哈哈", "   "));
    assertFalse(CommonUtil.isOneEmpty("哈哈", "哈哈"));
  }
}