Add some __autoload() tests.

tests/classes/autoload_001.phpt

@@ -0,0 +1,24 @@
+--TEST--
+ZE2 Autoload and class_exists
+--SKIPIF--
+<?php 
+	if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); 
+	if (class_exists('autoload_root')) die('skip Autoload test classes exist already');
+?>
+--FILE--
+<?php
+
+function __autoload($class_name)
+{
+	require_once(dirname(__FILE__) . '/' . $class_name . '.p5c');
+	echo __FUNCTION__ . '(' . $class_name . ")\n";
+}
+
+var_dump(class_exists('autoload_root'));
+
+?>
+===DONE===
+--EXPECT--
+__autoload(autoload_root)
+bool(true)
+===DONE===

tests/classes/autoload_002.phpt

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+--TEST--
+ZE2 Autoload and get_class_methods
+--SKIPIF--
+<?php 
+	if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); 
+	if (class_exists('autoload_root')) die('skip Autoload test classes exist already');
+?>
+--FILE--
+<?php
+
+function __autoload($class_name)
+{
+	require_once(dirname(__FILE__) . '/' . $class_name . '.p5c');
+	echo __FUNCTION__ . '(' . $class_name . ")\n";
+}
+
+var_dump(get_class_methods('autoload_root'));
+
+?>
+===DONE===
+--EXPECT--
+__autoload(autoload_root)
+array(1) {
+  [0]=>
+  string(12) "testFunction"
+}
+===DONE===

tests/classes/autoload_003.phpt

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+--TEST--
+ZE2 Autoload and derived classes
+--SKIPIF--
+<?php 
+	if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); 
+	if (class_exists('autoload_root')) die('skip Autoload test classes exist already');
+?>
+--FILE--
+<?php
+
+function __autoload($class_name)
+{
+	require_once(dirname(__FILE__) . '/' . $class_name . '.p5c');
+	echo __FUNCTION__ . '(' . $class_name . ")\n";
+}
+
+var_dump(class_exists('autoload_derived'));
+
+?>
+===DONE===
+--EXPECT--
+__autoload(autoload_root)
+__autoload(autoload_derived)
+bool(true)
+===DONE===

tests/classes/autoload_004.phpt

@@ -0,0 +1,28 @@
+--TEST--
+ZE2 Autoload and recursion
+--SKIPIF--
+<?php 
+	if (version_compare(zend_version(), '2.0.0-dev', '<')) die('skip ZendEngine 2 needed'); 
+	if (class_exists('autoload_root')) die('skip Autoload test classes exist already');
+?>
+--FILE--
+<?php
+
+function __autoload($class_name)
+{
+	var_dump(class_exists($class_name));
+	require_once(dirname(__FILE__) . '/' . $class_name . '.p5c');
+	echo __FUNCTION__ . '(' . $class_name . ")\n";
+}
+
+var_dump(class_exists('autoload_derived'));
+
+?>
+===DONE===
+--EXPECT--
+bool(false)
+bool(false)
+__autoload(autoload_root)
+__autoload(autoload_derived)
+bool(true)
+===DONE===

tests/classes/autoload_derived.p5c

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+<?php
+
+class autoload_derived extends autoload_root {
+}
+
+?>

tests/classes/autoload_root.p5c

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+<?php
+
+class autoload_root {
+	function testFunction()
+	{
+		return true;
+	}
+}
+
+?>