diff --git a/tests/unit/framework/validators/DateValidatorTest.php b/tests/unit/framework/validators/DateValidatorTest.php
index 30a515e..a551889 100644
--- a/tests/unit/framework/validators/DateValidatorTest.php
+++ b/tests/unit/framework/validators/DateValidatorTest.php
@@ -55,7 +55,10 @@ class DateValidatorTest extends TestCase
 			DateTime::createFromFormat($val->format, '2013-09-13')->getTimestamp(),
 			$model->attr_timestamp
 		);
-
+		$val = new DateValidator();
+		$model = FakedValidationModel::createWithAttributes(array('attr_date' => array()));
+		$val->validateAttribute($model, 'attr_date');
+		$this->assertTrue($model->hasErrors('attr_date'));
 
 	}
 }
\ No newline at end of file
diff --git a/tests/unit/framework/validators/ExistValidatorTest.php b/tests/unit/framework/validators/ExistValidatorTest.php
index 6a1e5fe..930712c 100644
--- a/tests/unit/framework/validators/ExistValidatorTest.php
+++ b/tests/unit/framework/validators/ExistValidatorTest.php
@@ -90,5 +90,11 @@ class ExistValidatorTest extends DatabaseTestCase
 		$m->a_field = 'some new value';
 		$val->validateAttribute($m, 'a_field');
 		$this->assertTrue($m->hasErrors('a_field'));
+		// check array
+		$val = new ExistValidator(array('attributeName' => 'ref'));
+		$m = ExistValidatorRefModel::find(array('id' => 2));
+		$m->test_val = array(1,2,3);
+		$val->validateAttribute($m, 'test_val');
+		$this->assertTrue($m->hasErrors('test_val'));
 	}
 }
\ No newline at end of file
diff --git a/tests/unit/framework/validators/NumberValidatorTest.php b/tests/unit/framework/validators/NumberValidatorTest.php
index 4868503..fa158d3 100644
--- a/tests/unit/framework/validators/NumberValidatorTest.php
+++ b/tests/unit/framework/validators/NumberValidatorTest.php
@@ -137,6 +137,10 @@ class NumberValidatorTest extends TestCase
 		$model->attr_number = 3.43;
 		$val->validateAttribute($model, 'attr_number');
 		$this->assertTrue($model->hasErrors('attr_number'));
+		$val = new NumberValidator(array('min' => 1));
+		$model = FakedValidationModel::createWithAttributes(array('attr_num' => array(1,2,3)));
+		$val->validateAttribute($model, 'attr_num');
+		$this->assertTrue($model->hasErrors('attr_num'));
 	}
 
 	public function testEnsureCustomMessageIsSetOnValidateAttribute()
diff --git a/tests/unit/framework/validators/StringValidatorTest.php b/tests/unit/framework/validators/StringValidatorTest.php
index c7d2889..8beaf16 100644
--- a/tests/unit/framework/validators/StringValidatorTest.php
+++ b/tests/unit/framework/validators/StringValidatorTest.php
@@ -86,6 +86,10 @@ class StringValidatorTest extends TestCase
 		$model->attr_string = 'abc';
 		$val->validateAttribute($model, 'attr_string');
 		$this->assertTrue($model->hasErrors('attr_string'));
+		$val = new StringValidator(array('max' => 1));
+		$model = FakedValidationModel::createWithAttributes(array('attr_str' => array('abc')));
+		$val->validateAttribute($model, 'attr_str');
+		$this->assertTrue($model->hasErrors('attr_str'));
 	}
 
 	public function testEnsureMessagesOnInit()
diff --git a/tests/unit/framework/validators/UrlValidatorTest.php b/tests/unit/framework/validators/UrlValidatorTest.php
index 7b618c1..239c92b 100644
--- a/tests/unit/framework/validators/UrlValidatorTest.php
+++ b/tests/unit/framework/validators/UrlValidatorTest.php
@@ -29,6 +29,12 @@ class UrlValidatorTest extends TestCase
 		$this->assertTrue($val->validateValue('yiiframework.com'));
 		$this->assertTrue($val->validateValue('http://yiiframework.com'));
 	}
+
+	public function testValidateValueWithoutScheme()
+	{
+		$val = new UrlValidator(array('pattern' => '/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)/i'));
+		$this->assertTrue($val->validateValue('yiiframework.com'));
+	}
 	
 	public function testValidateWithCustomScheme()
 	{