Test注解
有兩個值, expected, timeout
expect后面接異常類, timtout后面接時間, 符合則為ture
如
@Test (expected = NullPointException)
public void testNull() {
String s = null;
s.length();
}
@Test (timeOut = 1000)
public void testTimeOut() {
while(true) {
}
}