我是问上面你说的测试代码
时间: 2024-03-22 18:39:56 浏览: 15
可以编写一个 JUnit 测试类,测试 measurePower() 方法的各种情况。一个可能的测试代码如下:
```
public class PlugSimTest {
@Test
public void testMeasurePower() {
PlugSim plug = new PlugSim("TestPlug");
// Test case 1: plug is off, power reading should be 0
plug.measurePower();
assertEquals(0, plug.getPower(), 0.001);
// Test case 2: plug name contains decimal point, power reading should be decimal point part
plug.switchOn();
PlugSim decimalPlug = new PlugSim("TestPlug.123");
decimalPlug.measurePower();
assertEquals(123, decimalPlug.getPower(), 0.001);
// Test case 3: plug power less than 100, power reading should increase randomly
PlugSim lowPowerPlug = new PlugSim("TestPlug.LowPower");
lowPowerPlug.switchOn();
lowPowerPlug.updatePower(50);
lowPowerPlug.measurePower();
assertTrue(lowPowerPlug.getPower() > 50);
// Test case 4: plug power greater than 300, power reading should decrease randomly
PlugSim highPowerPlug = new PlugSim("TestPlug.HighPower");
highPowerPlug.switchOn();
highPowerPlug.updatePower(350);
highPowerPlug.measurePower();
assertTrue(highPowerPlug.getPower() < 350);
// Test case 5: plug power between 100 and 300, power reading should change randomly
PlugSim midPowerPlug = new PlugSim("TestPlug.MidPower");
midPowerPlug.switchOn();
midPowerPlug.updatePower(200);
midPowerPlug.measurePower();
assertTrue(midPowerPlug.getPower() != 200);
}
}
```
该测试类包含了 5 个测试用例,分别测试了插座未开启、插座名称包含小数点、插座电力小于 100、插座电力大于 300、插座电力在 100 至 300 之间这 5 种情况。每个测试用例都会先模拟相应的场景,然后调用 measurePower() 方法获取电力读数,并使用 assertEquals() 或 assertTrue() 方法来断言电力读数是否符合预期。
相关推荐
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)