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<instrumentation android:name="android.test.InstrumentationTestRunner"
android:targetPackage="com.example.junittest" android:label="@string/app_name"
></instrumentation>
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.junittest"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<instrumentation android:name="android.test.InstrumentationTestRunner"
android:targetPackage="com.example.junittest" android:label="@string/app_name"
></instrumentation>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<uses-library android:name="android.test.runner"/>
<activity
android:name="com.example.junittest.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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package com.example.junittest;
public class Calculator {
public int add(int x,int y){
return x+y;
}
public int sub(int x,int y){
return x-y;
}
public int divide(int x,int y){
return x/y;
}
public int multiply(int x,int y){
return x*y;
}
}
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package com.example.test;
import junit.framework.Assert;
import com.example.junittest.Calculator;
import android.test.AndroidTestCase;
import android.util.Log;
public class CalculatorTester extends AndroidTestCase {
private static final String TAG = CalculatorTester.class.getSimpleName();
private Calculator calculator;
/**
* This method is invoked before any of the test methods in the class.
* Use it to set up the environment for the test (the test fixture. You can use setUp() to instantiate a new Intent with the action ACTION_MAIN. You can then use this intent to start the Activity under test.
*/
@Override
protected void setUp() throws Exception {
Log.e(TAG, "setUp");
calculator = new Calculator();
super.setUp();
}
/**
* 测试Calculator的add(int x, int y)方法
* 把异常抛给测试框架
* @throws Exception
*/
public void testAdd() throws Exception{
int result = calculator.add(3, 5);
Assert.assertEquals(8, result);
}
/**
* 测试Calculator的divide(int x, int y)方法
* 把异常抛给测试框架
* @throws Exception
*/
public void testDivide() throws Exception{
int result = calculator.divide(10, 0);
Assert.assertEquals(10, result);
}
/**
* This method is invoked after all the test methods in the class.
* Use it to do garbage collection and to reset the test fixture.
*/
@Override
protected void tearDown() throws Exception {
Log.e(TAG, "tearDown");
calculator = null;
super.tearDown();
}
}
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原文：http://www.cnblogs.com/evertriely/p/4918669.html