Merge branch 'dev' into feature/implicit-iterator

Conflicts: Mustache.php
2010-07-05 15:55:00 -04:00
parent 2018449184 b096cb108d
commit 0256d03b5f
20 changed files with 317 additions and 129 deletions
@@ -61,6 +61,8 @@ class Mustache {
 		self::PRAGMA_UNESCAPED
 	);

+	protected $_localPragmas;
+
 	/**
 	 * Mustache class constructor.
 	 *
@@ -79,6 +81,28 @@ class Mustache {
 		if ($view !== null)     $this->_context = array($view);
 	}

+	/**
+	 * Mustache class clone method.
+	 *
+	 * A cloned Mustache instance should have pragmas, delimeters and root context
+	 * reset to default values.
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function __clone() {
+		$this->_otag = '{{';
+		$this->_ctag = '}}';
+		$this->_localPragmas = null;
+
+		if ($keys = array_keys($this->_context)) {
+			$last = array_pop($keys);
+			if ($this->_context[$last] instanceof Mustache) {
+				$this->_context[$last] =& $this;
+			}
+		}
+	}
+
 	/**
 	 * Render the given template and view object.
 	 *
@@ -101,7 +125,7 @@ class Mustache {
 			$this->_context = array($this);
 		}

-		$template = $this->_renderPragmas($template, $context);
+		$template = $this->_renderPragmas($template);
 		return $this->_renderTemplate($template, $this->_context);
 	}

@@ -127,12 +151,11 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $template
-	 * @param array &$context
 	 * @return string Rendered Mustache template.
 	 */
-	protected function _renderTemplate($template, &$context) {
-		$template = $this->_renderSection($template, $context);
-		return $this->_renderTags($template, $context);
+	protected function _renderTemplate($template) {
+		$template = $this->_renderSection($template);
+		return $this->_renderTags($template);
 	}

 	/**
@@ -140,12 +163,11 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $template
-	 * @param array $context
 	 * @return string
 	 */
-	protected function _renderSection($template, &$context) {
-		$otag  = $this->_prepareRegEx($this->_otag);
-		$ctag  = $this->_prepareRegEx($this->_ctag);
+	protected function _renderSection($template) {
+		$otag  = preg_quote($this->_otag, '/');
+		$ctag  = preg_quote($this->_ctag, '/');
 		$regex = '/' . $otag . '(\\^|\\#)\\s*(.+?)\\s*' . $ctag . '\\s*([\\s\\S]+?)' . $otag . '\\/\\s*\\2\\s*' . $ctag . '\\s*/m';

 		$matches = array();
@@ -157,7 +179,7 @@ class Mustache {
 			$content  = $matches[3][0];

 			$replace = '';
-			$val = $this->_getVariable($tag_name, $context);
+			$val = $this->_getVariable($tag_name);
 			switch($type) {
 				// inverted section
 				case '^':
@@ -180,19 +202,21 @@ class Mustache {
 						}

 						foreach ($val as $local_context) {
+
 							if ($iterator) {
-								$c1 = array($iterator => $local_context);
-								$c2 = $this->_getContext($context, $c1);
-								$replace .= $this->_renderTemplate($content, $c2);
+								$iterator_context = array($iterator => $local_context);
+								$this->_pushContext($iterator_context);
 							} else {
-								$c = $this->_getContext($context, $local_context);
-								$replace .= $this->_renderTemplate($content, $c);
+								$this->_pushContext($local_context);
 							}
+							$replace .= $this->_renderTemplate($content);
+							$this->_popContext();
 						}
 					} else if ($val) {
 						if (is_array($val) || is_object($val)) {
-							$c = $this->_getContext($context, $val);
-							$replace .= $this->_renderTemplate($content, $c);
+							$this->_pushContext($val);
+							$replace .= $this->_renderTemplate($content);
+							$this->_popContext();
 						} else {
 							$replace .= $content;
 						}
@@ -211,17 +235,18 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $template
-	 * @param array &$context
 	 * @return string
 	 */
-	protected function _renderPragmas($template, &$context) {
+	protected function _renderPragmas($template) {
+		$this->_localPragmas = $this->_pragmas;
+
 		// no pragmas
 		if (strpos($template, $this->_otag . '%') === false) {
 			return $template;
 		}

-		$otag = $this->_prepareRegEx($this->_otag);
-		$ctag = $this->_prepareRegEx($this->_ctag);
+		$otag = preg_quote($this->_otag, '/');
+		$ctag = preg_quote($this->_ctag, '/');
 		$regex = '/' . $otag . '%\\s*([\\w_-]+)((?: [\\w]+=[\\w]+)*)\\s*' . $ctag . '\\n?/';
 		return preg_replace_callback($regex, array($this, '_renderPragma'), $template);
 	}
@@ -252,9 +277,9 @@ class Mustache {
 		}

 		if (empty($options)) {
-			$this->_pragmas[$pragma_name] = true;
+			$this->_localPragmas[$pragma_name] = true;
 		} else {
-			$this->_pragmas[$pragma_name] = $options;
+			$this->_localPragmas[$pragma_name] = $options;
 		}

 		return '';
@@ -268,7 +293,7 @@ class Mustache {
 	 * @return bool
 	 */
 	protected function _hasPragma($pragma_name) {
-		if (array_key_exists($pragma_name, $this->_pragmas) && $this->_pragmas[$pragma_name]) {
+		if (array_key_exists($pragma_name, $this->_localPragmas) && $this->_localPragmas[$pragma_name]) {
 			return true;
 		} else {
 			return false;
@@ -288,7 +313,7 @@ class Mustache {
 			throw new MustacheException('Unknown pragma: ' . $pragma_name, MustacheException::UNKNOWN_PRAGMA);
 		}

-		return (is_array($this->_pragmas[$pragma_name])) ? $this->_pragmas[$pragma_name] : array();
+		return (is_array($this->_localPragmas[$pragma_name])) ? $this->_localPragmas[$pragma_name] : array();
 	}


@@ -310,16 +335,18 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $template
-	 * @param array $context
 	 * @return void
 	 */
-	protected function _renderTags($template, &$context) {
+	protected function _renderTags($template) {
 		if (strpos($template, $this->_otag) === false) {
 			return $template;
 		}

-		$otag = $this->_prepareRegEx($this->_otag);
-		$ctag = $this->_prepareRegEx($this->_ctag);
+		$otag_orig = $this->_otag;
+		$ctag_orig = $this->_ctag;
+
+		$otag = preg_quote($this->_otag, '/');
+		$ctag = preg_quote($this->_ctag, '/');

 		$this->_tagRegEx = '/' . $otag . "([#\^\/=!>\\{&])?(.+?)\\1?" . $ctag . "+/";

@@ -332,10 +359,13 @@ class Mustache {
 			$tag_name = trim($matches[2][0]);

 			$html .= substr($template, 0, $offset);
-			$html .= $this->_renderTag($modifier, $tag_name, $context);
+			$html .= $this->_renderTag($modifier, $tag_name);
 			$template = substr($template, $offset + strlen($tag));
 		}

+		$this->_otag = $otag_orig;
+		$this->_ctag = $ctag_orig;
+
 		return $html . $template;
 	}

@@ -348,11 +378,10 @@ class Mustache {
 	 * @access protected
 	 * @param string $modifier
 	 * @param string $tag_name
-	 * @param array $context
 	 * @throws MustacheException Unmatched section tag encountered.
 	 * @return string
 	 */
-	protected function _renderTag($modifier, $tag_name, &$context) {
+	protected function _renderTag($modifier, $tag_name) {
 		switch ($modifier) {
 			case '#':
 			case '^':
@@ -370,28 +399,28 @@ class Mustache {
 				}
 				break;
 			case '=':
-				return $this->_changeDelimiter($tag_name, $context);
+				return $this->_changeDelimiter($tag_name);
 				break;
 			case '!':
-				return $this->_renderComment($tag_name, $context);
+				return $this->_renderComment($tag_name);
 				break;
 			case '>':
-				return $this->_renderPartial($tag_name, $context);
+				return $this->_renderPartial($tag_name);
 				break;
 			case '{':
 			case '&':
 				if ($this->_hasPragma(self::PRAGMA_UNESCAPED)) {
-					return $this->_renderEscaped($tag_name, $context);
+					return $this->_renderEscaped($tag_name);
 				} else {
-					return $this->_renderUnescaped($tag_name, $context);
+					return $this->_renderUnescaped($tag_name);
 				}
 				break;
 			case '':
 			default:
 				if ($this->_hasPragma(self::PRAGMA_UNESCAPED)) {
-					return $this->_renderUnescaped($tag_name, $context);
+					return $this->_renderUnescaped($tag_name);
 				} else {
-					return $this->_renderEscaped($tag_name, $context);
+					return $this->_renderEscaped($tag_name);
 				}
 				break;
 		}
@@ -402,11 +431,10 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $tag_name
-	 * @param array $context
 	 * @return string
 	 */
-	protected function _renderEscaped($tag_name, &$context) {
-		return htmlentities($this->_getVariable($tag_name, $context), null, $this->_charset);
+	protected function _renderEscaped($tag_name) {
+		return htmlentities($this->_getVariable($tag_name), null, $this->_charset);
 	}

 	/**
@@ -414,10 +442,9 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $tag_name
-	 * @param array $context
 	 * @return string
 	 */
-	protected function _renderComment($tag_name, &$context) {
+	protected function _renderComment($tag_name) {
 		return '';
 	}

@@ -426,11 +453,10 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $tag_name
-	 * @param array $context
 	 * @return string
 	 */
-	protected function _renderUnescaped($tag_name, &$context) {
-		return $this->_getVariable($tag_name, $context);
+	protected function _renderUnescaped($tag_name) {
+		return $this->_getVariable($tag_name);
 	}

 	/**
@@ -438,14 +464,11 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $tag_name
-	 * @param array $context
 	 * @return string
 	 */
-	protected function _renderPartial($tag_name, &$context) {
-		$view = new self($this->_getPartial($tag_name), $this->_flattenContext($context), $this->_partials);
-		$view->_otag = $this->_otag;
-		$view->_ctag = $this->_ctag;
-		return $view->render();
+	protected function _renderPartial($tag_name) {
+		$view = clone($this);
+		return $view->render($this->_getPartial($tag_name));
 	}

 	/**
@@ -454,77 +477,51 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $tag_name
-	 * @param array $context
 	 * @return string
 	 */
-	protected function _changeDelimiter($tag_name, &$context) {
+	protected function _changeDelimiter($tag_name) {
 		$tags = explode(' ', $tag_name);
 		$this->_otag = $tags[0];
 		$this->_ctag = $tags[1];

-		$otag  = $this->_prepareRegEx($this->_otag);
-		$ctag  = $this->_prepareRegEx($this->_ctag);
+		$otag  = preg_quote($this->_otag, '/');
+		$ctag  = preg_quote($this->_ctag, '/');
 		$this->_tagRegEx = '/' . $otag . "([#\^\/=!>\\{&])?(.+?)\\1?" . $ctag . "+/";
 		return '';
 	}

-
 	/**
-	 * Prepare a new context reference array.
-	 *
-	 * This is used to create context arrays for iterable blocks.
+	 * Push a local context onto the stack.
 	 *
 	 * @access protected
-	 * @param array $context
-	 * @param array $local_context
-	 * @return array
+	 * @param array &$local_context
+	 * @return void
 	 */
-	protected function _getContext(&$context, &$local_context) {
-		$ret = array();
-		$ret[] =& $local_context;
-		foreach ($context as $view) {
-			$ret[] =& $view;
+	protected function _pushContext(&$local_context) {
+		$new = array();
+		$new[] =& $local_context;
+		foreach (array_keys($this->_context) as $key) {
+			$new[] =& $this->_context[$key];
 		}
-		return $ret;
+		$this->_context = $new;
 	}


 	/**
-	 * Prepare a new (flattened) context.
-	 *
-	 * This is used to create a view object or array for rendering partials.
+	 * Remove the latest context from the stack.
 	 *
 	 * @access protected
-	 * @param array &$context
-	 * @return array
-	 * @throws MustacheException
+	 * @return void
 	 */
-	protected function _flattenContext(&$context) {
-		$keys = array_keys($context);
-		$first = $context[$keys[0]];
+	protected function _popContext() {
+		$new = array();

-		if ($first instanceof Mustache) {
-			$ret = clone $first;
-			unset($keys[0]);
-
-			foreach ($keys as $name) {
-				foreach ($context[$name] as $key => $val) {
-					$ret->$key =& $val;
-				}
-			}
-		} else if (is_array($first)) {
-			$ret = array();
-
-			foreach ($keys as $name) {
-				foreach ($context[$name] as $key => $val) {
-					$ret[$key] =& $val;
-				}
-			}
-		} else {
-			throw new MustacheException('Unknown root context type.');
+		$keys = array_keys($this->_context);
+		array_shift($keys);
+		foreach ($keys as $key) {
+			$new[] =& $this->_context[$key];
 		}
-
-		return $ret;
+		$this->_context = $new;
 	}

 	/**
@@ -538,16 +535,15 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $tag_name
-	 * @param array $context
 	 * @throws MustacheException Unknown variable name.
 	 * @return string
 	 */
-	protected function _getVariable($tag_name, &$context) {
+	protected function _getVariable($tag_name) {
 		if ($this->_hasPragma(self::PRAGMA_DOT_NOTATION) && $tag_name != '.') {
 			$chunks = explode('.', $tag_name);
 			$first = array_shift($chunks);

-			$ret = $this->_findVariableInContext($first, $context);
+			$ret = $this->_findVariableInContext($first, $this->_context);
 			while ($next = array_shift($chunks)) {
 				// Slice off a chunk of context for dot notation traversal.
 				$c = array($ret);
@@ -555,7 +551,7 @@ class Mustache {
 			}
 			return $ret;
 		} else {
-			return $this->_findVariableInContext($tag_name, $context);
+			return $this->_findVariableInContext($tag_name, $this->_context);
 		}
 	}

@@ -565,11 +561,11 @@ class Mustache {
 	 *
 	 * @access protected
 	 * @param string $tag_name
-	 * @param array &$context
+	 * @param array $context
 	 * @throws MustacheException Unknown variable name.
 	 * @return string
 	 */
-	protected function _findVariableInContext($tag_name, &$context) {
+	protected function _findVariableInContext($tag_name, $context) {
 		foreach ($context as $view) {
 			if (is_object($view)) {
 				if (isset($view->$tag_name)) {
@@ -621,22 +617,6 @@ class Mustache {
 	protected function _varIsIterable($var) {
 		return is_object($var) || (is_array($var) && !array_diff_key($var, array_keys(array_keys($var))));
 	}
-
-	/**
-	 * Prepare a string to be used in a regular expression.
-	 *
-	 * @access protected
-	 * @param string $str
-	 * @return string
-	 */
-	protected function _prepareRegEx($str) {
-		$replace = array(
-			'\\' => '\\\\', '^' => '\^', '.' => '\.', '$' => '\$', '|' => '\|', '(' => '\(',
-			')' => '\)', '[' => '\[', ']' => '\]', '*' => '\*', '+' => '\+', '?' => '\?',
-			'{' => '\{', '}' => '\}', ',' => '\,'
-		);
-		return strtr($str, $replace);
-	}
 }


@@ -81,8 +81,6 @@ And render it:
 Known Issues
 ------------

- * Pragmas don't un-apply... Instead of applying only to a specific template, pragmas are applied
-   to all subsequent templates and partials rendered by this Mustache instance.
 * Sections don't respect delimiter changes -- `delimiters` example currently fails with an
   "unclosed section" exception.
 * Dot notation and implicit iterators don't really play nice. A non-traversible local context is
@@ -0,0 +1,24 @@
+<?php
+
+class GrandParentContext extends Mustache {
+	public $grand_parent_id = 'grand_parent1';
+	public $parent_contexts = array();
+	
+	public function __construct() {
+		parent::__construct();
+		
+		$this->parent_contexts[] = array('parent_id' => 'parent1', 'child_contexts' => array(
+			array('child_id' => 'parent1-child1'),
+			array('child_id' => 'parent1-child2')
+		));
+		
+		$parent2 = new stdClass();
+		$parent2->parent_id = 'parent2';
+		$parent2->child_contexts = array(
+			array('child_id' => 'parent2-child1'),
+			array('child_id' => 'parent2-child2')
+		);
+		
+		$this->parent_contexts[] = $parent2;
+	}
+}
@@ -0,0 +1,10 @@
+{{grand_parent_id}}
+{{#parent_contexts}}
+{{grand_parent_id}}
+{{parent_id}}
+{{#child_contexts}}
+{{grand_parent_id}}
+{{parent_id}}
+{{child_id}}
+{{/child_contexts}}
+{{/parent_contexts}}
@@ -0,0 +1,17 @@
+grand_parent1
+grand_parent1
+parent1
+grand_parent1
+parent1
+parent1-child1
+grand_parent1
+parent1
+parent1-child2
+grand_parent1
+parent2
+grand_parent1
+parent2
+parent2-child1
+grand_parent1
+parent2
+parent2-child2
@@ -0,0 +1,19 @@
+<?php
+
+class PartialsWithViewClass extends Mustache {
+	public function __construct($template = null, $view = null, $partials = null) {
+		// Use an object of an arbitrary class as a View for this Mustache instance:
+		$view = new StdClass();
+		$view->name = 'ilmich';
+		$view->data = array(
+			array('name' => 'federica', 'age' => 27, 'gender' => 'female'),
+			array('name' => 'marco', 'age' => 32, 'gender' => 'male'),
+		);
+
+		$partials = array(
+			'children' => "{{#data}}{{name}} - {{age}} - {{gender}}\n{{/data}}",
+		);
+
+		parent::__construct($template, $view, $partials);
+	}
+}
@@ -0,0 +1,2 @@
+Children of {{name}}:
+{{>children}}
@@ -0,0 +1,3 @@
+Children of ilmich:
+federica - 27 - female
+marco - 32 - male
@@ -1,5 +1,5 @@
 <?php

 class PragmaUnescaped extends Mustache {
-	protected $vs = 'Bear > Shark';
+	public $vs = 'Bear > Shark';
 }
@@ -0,0 +1,8 @@
+<?php
+
+class PragmasInPartials extends Mustache {
+	public $say = '< RAWR!! >';
+	protected $_partials = array(
+		'dinosaur' => '{{say}}'
+	);
+}
@@ -0,0 +1,3 @@
+{{%UNESCAPED}}
+{{say}}
+{{>dinosaur}}
@@ -0,0 +1,2 @@
+< RAWR!! >
+&lt; RAWR!! &gt;
@@ -0,0 +1,16 @@
+<?php
+
+class RecursivePartials extends Mustache {
+	protected $_partials = array(
+		'child' => " > {{ name }}{{#child}}{{>child}}{{/child}}",
+	);
+
+	public $name  = 'George';
+	public $child = array(
+		'name'  => 'Dan',
+		'child' => array(
+			'name'  => 'Justin',
+			'child' => false,
+		)
+	);
+}
@@ -0,0 +1 @@
+{{name}}{{#child}}{{>child}}{{/child}}
@@ -0,0 +1 @@
+George > Dan > Justin
@@ -1,7 +1,6 @@
 <?php

 require_once '../Mustache.php';
-require_once 'PHPUnit/Framework.php';

 class MustachePragmaDotNotationTest extends PHPUnit_Framework_TestCase {

@@ -31,4 +30,31 @@ class MustachePragmaDotNotationTest extends PHPUnit_Framework_TestCase {
 		$this->assertEquals($m->render('{{%DOT-NOTATION}}{{one.one}}|{{one.two}}|{{one.three}}'), 'one-one|one-two|one-three');
 	}

+	public function testDotNotationContext() {
+		$data = array('parent' => array('items' => array(
+			array('item' => array('index' => 1)),
+			array('item' => array('index' => 2)),
+			array('item' => array('index' => 3)),
+			array('item' => array('index' => 4)),
+			array('item' => array('index' => 5)),
+		)));
+
+		$m = new Mustache('', $data);
+		$this->assertEquals('12345', $m->render('{{%DOT-NOTATION}}{{#parent}}{{#items}}{{item.index}}{{/items}}{{/parent}}'));
+	}
+
+	public function testDotNotationSectionNames() {
+		$data = array('parent' => array('items' => array(
+			array('item' => array('index' => 1)),
+			array('item' => array('index' => 2)),
+			array('item' => array('index' => 3)),
+			array('item' => array('index' => 4)),
+			array('item' => array('index' => 5)),
+		)));
+
+		$m = new Mustache('', $data);
+		$this->assertEquals('.....', $m->render('{{%DOT-NOTATION}}{{#parent.items}}.{{/parent.items}}'));
+		$this->assertEquals('12345', $m->render('{{%DOT-NOTATION}}{{#parent.items}}{{item.index}}{{/parent.items}}'));
+		$this->assertEquals('12345', $m->render('{{%DOT-NOTATION}}{{#parent.items}}{{#item}}{{index}}{{/item}}{{/parent.items}}'));
+	}
 }
@@ -1,7 +1,6 @@
 <?php

 require_once '../Mustache.php';
-require_once 'PHPUnit/Framework.php';

 class MustachePragmaTest extends PHPUnit_Framework_TestCase {

@@ -39,4 +38,10 @@ class MustachePragmaTest extends PHPUnit_Framework_TestCase {
 		$this->assertEquals("1\n23", $m->render("1\n2{{%DOT-NOTATION}}\n3"), 'Wrong newline removed with pragma tag');
 	}

+	public function testPragmaReset() {
+		$m = new Mustache('', array('symbol' => '>>>'));
+		$this->assertEquals('>>>', $m->render('{{{symbol}}}'));
+		$this->assertEquals('>>>', $m->render('{{%UNESCAPED}}{{symbol}}'));
+		$this->assertEquals('>>>', $m->render('{{{symbol}}}'));
+	}
 }
@@ -1,7 +1,6 @@
 <?php

 require_once '../Mustache.php';
-require_once 'PHPUnit/Framework.php';

 class MustachePragmaUnescapedTest extends PHPUnit_Framework_TestCase {

@@ -9,7 +8,9 @@ class MustachePragmaUnescapedTest extends PHPUnit_Framework_TestCase {
 		$m = new Mustache(null, array('title' => 'Bear > Shark'));
 		
 		$this->assertEquals('Bear > Shark', $m->render('{{%UNESCAPED}}{{title}}'));
+		$this->assertEquals('Bear &gt; Shark', $m->render('{{title}}'));
 		$this->assertEquals('Bear &gt; Shark', $m->render('{{%UNESCAPED}}{{{title}}}'));
+		$this->assertEquals('Bear > Shark', $m->render('{{{title}}}'));
 	}

 }
@@ -1,7 +1,6 @@
 <?php

 require_once '../Mustache.php';
-require_once 'PHPUnit/Framework.php';

 /**
 * A PHPUnit test case for Mustache.php.
@@ -167,6 +166,51 @@ class MustacheTest extends PHPUnit_Framework_TestCase {
 		$this->assertEquals($first, $second);
 	}

+
+	/**
+	 * Mustache should not use templates passed to the render() method for subsequent invocations.
+	 * 
+	 * @access public
+	 * @return void
+	 */
+	public function testResetTemplateForMultipleInvocations() {
+		$m = new Mustache('Sirve.');
+		$this->assertEquals('No sirve.', $m->render('No sirve.'));
+		$this->assertEquals('Sirve.', $m->render());
+		
+		$m2 = new Mustache();
+		$this->assertEquals('No sirve.', $m2->render('No sirve.'));
+		$this->assertEquals('', $m2->render());
+	}
+
+	/**
+	 * testClone function.
+	 *
+	 * @dataProvider getExamples
+	 * @access public
+	 * @return void
+	 */
+	public function test__clone($class, $template, $output) {
+		if ($class == 'Delimiters') {
+			$this->markTestSkipped("Known issue: sections don't respect delimiter changes");
+			return;
+		}
+
+		$m = new $class;
+		$n = clone $m;
+
+		$n_output = $n->render($template);
+
+		$o = clone $n;
+
+		$this->assertEquals($m->render($template), $n_output);
+		$this->assertEquals($n_output, $o->render($template));
+
+		$this->assertNotSame($m, $n);
+		$this->assertNotSame($n, $o);
+		$this->assertNotSame($m, $o);
+	}
+
 	/**
 	 * Test everything in the `examples` directory.
 	 *
@@ -178,6 +222,11 @@ class MustacheTest extends PHPUnit_Framework_TestCase {
 	 * @return void
 	 */
 	public function testExamples($class, $template, $output) {
+		if ($class == 'Delimiters') {
+			$this->markTestSkipped("Known issue: sections don't respect delimiter changes");
+			return;
+		}
+
 		$m = new $class;
 		$this->assertEquals($output, $m->render($template));
 	}
@@ -239,4 +288,21 @@ class MustacheTest extends PHPUnit_Framework_TestCase {
 		}
 		return $ret;
 	}
+
+	public function testCrazyDelimiters() {
+		$m = new Mustache(null, array('result' => 'success'));
+		$this->assertEquals('success', $m->render('{{=[[ ]]=}}[[ result ]]'));
+		$this->assertEquals('success', $m->render('{{=(( ))=}}(( result ))'));
+		$this->assertEquals('success', $m->render('{{={$ $}=}}{$ result $}'));
+		$this->assertEquals('success', $m->render('{{=<.. ..>=}}<.. result ..>'));
+		$this->assertEquals('success', $m->render('{{=^^ ^^}}^^ result ^^'));
+		$this->assertEquals('success', $m->render('{{=// \\\\}}// result \\\\'));
+	}
+
+	public function testResetDelimiters() {
+		$m = new Mustache(null, array('result' => 'success'));
+		$this->assertEquals('success', $m->render('{{=[[ ]]=}}[[ result ]]'));
+		$this->assertEquals('success', $m->render('{{=<< >>=}}<< result >>'));
+		$this->assertEquals('success', $m->render('{{=<% %>=}}<% result %>'));
+	}
 }
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit colors="true">
+	<testsuite name="Mustache">
+		<directory>./</directory>
+	</testsuite>
+</phpunit>