PhutilErrorHandlerTestCase.php
32f1dad1f4e5production

PhutilErrorHandlerTestCase.php
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			<?php

			final class PhutilErrorHandlerTestCase extends PhutilTestCase {

			public function testProxyException() {
			$a = new Exception('a');
			$b = new PhutilProxyException('b', $a);
			$c = new PhutilProxyException('c', $b);

			$this->assertEqual($a, $b->getPrevious());
			$this->assertEqual($a, PhutilErrorHandler::getRootException($b));
			$this->assertEqual($a, PhutilErrorHandler::getPreviousException($b));

			$this->assertEqual($a, PhutilErrorHandler::getRootException($c));
			$this->assertEqual($b, PhutilErrorHandler::getPreviousException($c));
			}

			public function testSilenceHandler() {
			// Errors should normally be logged.
			$this->assertTrue(strlen($this->emitError()) > 0);

			// The "@" operator should silence errors.
			$this->assertTrue(@strlen($this->emitError()) === 0);
			}

			private function emitError() {
			$temporary_log = new TempFile();

			$old_log = ini_get('error_log');
			ini_set('error_log', (string)$temporary_log);

			trigger_error('(A synthetic error emitted during a unit test.)');

			ini_set('error_log', $old_log);
			return Filesystem::readFile($temporary_log);
			}


			}