7-2. Performance RegressionsYou can extend your test class from PHPUnit2_Extensions_ PerformanceTestCase to test whether the execution of a function or a method call, for instance, exceeds a specified time limit. Example 8 shows how to subclass PHPUnit2_Extensions_ PerformanceTestCase and use its setMaxRunningTime( ) method to set the maximum running time for the test. If the test is not executed within this time limit, it will be counted as a failure. Example 8. Using PHPUnit2_Extensions_PerformanceTestCase<?php require_once 'PHPUnit2/Extensions/PerformanceTestCase.php'; class PerformanceTest extends PHPUnit2_Extensions_ PerformanceTestCase { public function testPerformance( ) { $this->setMaxRunningTime(2); sleep(1); } } ?> Table 2 shows the external protocol implemented by PHPUnit2_Extensions_PerformanceTestCase.
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