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PhabricatorCachesTestCase.php
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			<?php

			final class PhabricatorCachesTestCase
			extends PhabricatorTestCase {

			public function testRequestCache() {
			$cache = PhabricatorCaches::getRequestCache();

			$test_key = 'unit.'.Filesystem::readRandomCharacters(8);

			$default_value = pht('Default');
			$new_value = pht('New Value');

			$this->assertEqual(
			$default_value,
			$cache->getKey($test_key, $default_value));

			// Set a key, verify it persists.
			$cache = PhabricatorCaches::getRequestCache();
			$cache->setKey($test_key, $new_value);
			$this->assertEqual(
			$new_value,
			$cache->getKey($test_key, $default_value));

			// Refetch the cache, verify it's really a cache.
			$cache = PhabricatorCaches::getRequestCache();
			$this->assertEqual(
			$new_value,
			$cache->getKey($test_key, $default_value));

			// Destroy the cache.
			PhabricatorCaches::destroyRequestCache();

			// Now, the value should be missing again.
			$cache = PhabricatorCaches::getRequestCache();
			$this->assertEqual(
			$default_value,
			$cache->getKey($test_key, $default_value));
			}

			}