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PhutilXHPASTSyntaxHighlighterTestCase.php
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			<?php

			final class PhutilXHPASTSyntaxHighlighterTestCase extends PhutilTestCase {

			private function highlight($source) {
			$highlighter = new PhutilXHPASTSyntaxHighlighter();
			$future = $highlighter->getHighlightFuture($source);
			return $future->resolve();
			}

			private function read($file) {
			$path = dirname(__FILE__).'/xhpast/'.$file;
			return Filesystem::readFile($path);
			}

			public function testBuiltinClassnames() {
			$this->assertEqual(
			$this->read('builtin-classname.expect'),
			(string)$this->highlight($this->read('builtin-classname.source')),
			pht('Builtin classnames should not be marked as linkable symbols.'));
			$this->assertEqual(
			rtrim($this->read('trailing-comment.expect')),
			(string)$this->highlight($this->read('trailing-comment.source')),
			pht('Trailing comments should not be dropped.'));
			$this->assertEqual(
			$this->read('multiline-token.expect'),
			(string)$this->highlight($this->read('multiline-token.source')),
			pht('Multi-line tokens should be split across lines.'));
			$this->assertEqual(
			$this->read('leading-whitespace.expect'),
			(string)$this->highlight($this->read('leading-whitespace.source')),
			pht('Snippets with leading whitespace should be preserved.'));
			$this->assertEqual(
			$this->read('no-leading-whitespace.expect'),
			(string)$this->highlight($this->read('no-leading-whitespace.source')),
			pht('Snippets with no leading whitespace should be preserved.'));
			}

			}