[英]java.util.concurrent: Transition from Runnable to Executor interface
I am writing a JUnit test case for a DSL, and I need to ensure that the method under test does never end (as in this question ). 我正在为DSL编写JUnit测试用例,并且需要确保被测方法永远不会结束(如本问题所述 )。
The provided solution is fine, but I would like to use the "new" Executor interface (Java 5.0 onwards): 提供的解决方案很好,但是我想使用“新的” Executor接口 (从Java 5.0开始):
@Test
public void methodDoesNotReturnFor5Seconds() throws Exception {
Thread t = new Thread(new Runnable() {
public void run() {
methodUnderTest();
}
});
t.start();
t.join(5000);
assertTrue(t.isAlive());
// possibly do something to shut down methodUnderTest
}
How can I translate the above code from the "old" Thread
/ Runnable
interface to the "new" ExecutorService
/ Executor
interface? 如何从“旧”上面的代码翻译Thread
/ Runnable
接口的“新” ExecutorService
/ Executor
接口?
Future<?> future = Executors.newSingleThreadExecutor().submit(new Runnable() {
public void run() {
methodUnderTest();
}
});
try {
future.get(5, TimeUnit.SECONDS);
fail("The task has completed before 5 seconds");
}
catch (TimeoutException e) {
// expected
}
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