diff --git a/src/Fenom.php b/src/Fenom.php
index fef4523..0b4cbac 100644
--- a/src/Fenom.php
+++ b/src/Fenom.php
@@ -405,9 +405,6 @@ class Fenom
         $this->_provider = $provider;
     }
 
-    public function setCachePerms() {
-    }
-
     /**
      * Set compile directory
      *
diff --git a/src/Fenom/Compiler.php b/src/Fenom/Compiler.php
index 32a07c3..08b2c08 100644
--- a/src/Fenom/Compiler.php
+++ b/src/Fenom/Compiler.php
@@ -9,11 +9,9 @@
  */
 namespace Fenom;
 
+use Doctrine\Instantiator\Exception\InvalidArgumentException;
 use Fenom\Error\InvalidUsageException;
 use Fenom\Error\UnexpectedTokenException;
-use Fenom\Tokenizer;
-use Fenom\Template;
-use Fenom\Scope;
 
 /**
  * Compilers collection
@@ -116,7 +114,7 @@ class Compiler
      * @param Tag $scope
      * @return string
      */
-    public static function tagElse(Tokenizer $tokens, Tag $scope)
+    public static function tagElse($tokens, Tag $scope)
     {
         $scope["else"] = true;
         return '} else {';
@@ -247,8 +245,8 @@ class Compiler
             "last"  => false,
             "step"  => 1,
             "to"    => false,
-            "max"   => false,
-            "min"   => false
+//            "max"   => false,
+//            "min"   => false
         );
         $scope["after"] = $before = $body = array();
         $i              = array('', '');
@@ -312,7 +310,7 @@ class Compiler
      * @param Tag $scope
      * @return string
      */
-    public static function forElse(Tokenizer $tokens, Tag $scope)
+    public static function forElse($tokens, Tag $scope)
     {
         $scope["no-break"] = $scope["no-continue"] = true;
         $scope["else"]     = true;
@@ -436,7 +434,7 @@ class Compiler
      * @param Tag $scope
      * @return string
      */
-    public static function switchClose(Tokenizer $tokens, Tag $scope)
+    public static function switchClose($tokens, Tag $scope)
     {
         self::_caseResort($scope);
         $expr    = $scope["var"];
@@ -776,7 +774,7 @@ class Compiler
      * @param Tag $scope
      * @return string
      */
-    public static function setClose(Tokenizer $tokens, Tag $scope)
+    public static function setClose($tokens, Tag $scope)
     {
         return $scope["name"] . '=' . $scope["value"] . ';';
     }
@@ -787,7 +785,7 @@ class Compiler
      * @param Tag $scope
      * @return string
      */
-    public static function filterOpen(Tokenizer $tokens, Tag $scope)
+    public static function filterOpen($tokens, Tag $scope)
     {
         $scope["filter"] = $scope->tpl->parseModifier($tokens, "ob_get_clean()");
         return "ob_start();";
@@ -962,7 +960,7 @@ class Compiler
      * @param Tokenizer $tokens
      * @param Tag $scope
      */
-    public static function macroClose(Tokenizer $tokens, Tag $scope)
+    public static function macroClose($tokens, Tag $scope)
     {
         if ($scope["recursive"]) {
             $scope["macro"]["recursive"] = true;
@@ -1017,7 +1015,7 @@ class Compiler
      * @param Tokenizer $tokens
      * @param Tag $tag
      */
-    public static function ignoreOpen(Tokenizer $tokens, Tag $tag)
+    public static function ignoreOpen($tokens, Tag $tag)
     {
         $tag->tpl->ignore('ignore');
     }
diff --git a/src/Fenom/Template.php b/src/Fenom/Template.php
index 2b9de83..3d6df8f 100644
--- a/src/Fenom/Template.php
+++ b/src/Fenom/Template.php
@@ -1467,13 +1467,13 @@ class Template extends Render
             if ($tokens->is(Tokenizer::MACRO_STRING)) {
                 $key = $tokens->getAndNext();
                 if ($defaults && !isset($defaults[$key])) {
-                    throw new \Exception("Unknown parameter '$key'");
+                    throw new InvalidUsageException("Unknown parameter '$key'");
                 }
                 if ($tokens->is("=")) {
                     $tokens->next();
                     $params[$key] = $this->parseExpr($tokens);
                 } else {
-                    $params[$key] = 'true';
+                    throw new InvalidUsageException("Invalid value for parameter '$key'");
                 }
             } elseif ($tokens->is(Tokenizer::MACRO_SCALAR, '"', T_VARIABLE, "[", '(')) {
                 $params[] = $this->parseExpr($tokens);
diff --git a/tests/cases/Fenom/SandboxTest.php b/tests/cases/Fenom/SandboxTest.php
index 30492c7..811efca 100644
--- a/tests/cases/Fenom/SandboxTest.php
+++ b/tests/cases/Fenom/SandboxTest.php
@@ -8,14 +8,13 @@ class SandboxTest extends TestCase {
     public function test()
     {
 
-
 //        $this->assertEquals([1, 2, 4, "as" => 767, "df" => ["qert"]], [1, 2, 4, "as" => 767, "df" => ["qet"]]);
 //        $this->fenom->addBlockCompiler('php', 'Fenom\Compiler::nope', function ($tokens, Tag $tag) {
 //            return '<?php ' . $tag->cutContent();
 //        });
 //        $this->tpl('welcome.tpl', '{$a}');
 //        try {
-//            var_dump($this->fenom->compileCode('{$.fetch("welcome.tpl", ["a" => 1])}')->getBody());
+//            var_dump($this->fenom->compileCode('{for $i=0 to 3} {/for}')->getBody());
 //        } catch (\Exception $e) {
 //            print_r($e->getMessage() . "\n" . $e->getTraceAsString());
 //            while ($e->getPrevious()) {
diff --git a/tests/cases/Fenom/TagsTest.php b/tests/cases/Fenom/TagsTest.php
index 8431770..780b429 100644
--- a/tests/cases/Fenom/TagsTest.php
+++ b/tests/cases/Fenom/TagsTest.php
@@ -5,15 +5,12 @@ namespace Fenom;
 
 class TagsTest extends TestCase
 {
-
-    public function _testSandbox()
+    /**
+     * @group test-for
+     */
+    public function testFor()
     {
-        try {
-            var_dump($this->fenom->compileCode("{var \$a=12313}\nVar: {\$a}")->getBody());
-        } catch (\Exception $e) {
-            echo "$e";
-        }
-        exit;
+        $this->assertRender('{for $i=0 to=3}{$i},{/for}', "0,1,2,3,");
     }
 
     /**