@DisplayName("InfiniteLoopTest")        @Test        void assertTimeoutPreemptively() {            Assertions.assertTimeoutPreemptively(ofMillis(5000), () -> {                Thread.sleep(10);                Examples.factorial(0);            });        } it is impossible to programmatically test for an infinite loop. So why is this unit test appropriate for this case? Is it always appropriate?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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@DisplayName("InfiniteLoopTest")
       @Test
       void assertTimeoutPreemptively() {
           Assertions.assertTimeoutPreemptively(ofMillis(5000), () -> {
               Thread.sleep(10);
               Examples.factorial(0);
           });
       }

it is impossible to programmatically test for an infinite loop. So why is this unit test appropriate for this case? Is it always appropriate?

 

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