diff --git a/tests/unit/framework/validators/FakedValidationModel.php b/tests/unit/framework/validators/FakedValidationModel.php
index 15a2a94..f30735e 100644
--- a/tests/unit/framework/validators/FakedValidationModel.php
+++ b/tests/unit/framework/validators/FakedValidationModel.php
@@ -28,4 +28,9 @@ class FakedValidationModel extends Model
 			parent::__set($name, $value);
 		}
 	}
+
+	public function getAttributeLabel($attr)
+	{
+		return $attr;
+	}
 }
\ No newline at end of file
diff --git a/tests/unit/framework/validators/StringValidatorTest.php b/tests/unit/framework/validators/StringValidatorTest.php
new file mode 100644
index 0000000..5336dfc
--- /dev/null
+++ b/tests/unit/framework/validators/StringValidatorTest.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace yiiunit\framework\validators;
+
+
+use yii\validators\StringValidator;
+use yiiunit\TestCase;
+
+class StringValidatorTest extends TestCase
+{
+	public function setUp()
+	{
+		parent::setUp();
+		$this->mockApplication();
+	}
+
+	public function testValidateValue()
+	{
+		$val = new StringValidator();
+		$this->assertFalse($val->validateValue(array('not a string')));
+		$this->assertTrue($val->validateValue('Just some string'));
+	}
+
+	public function testValidateValueLength()
+	{
+		$val = new StringValidator(array('length' => 25));
+		$this->assertTrue($val->validateValue(str_repeat('x', 25)));
+		$this->assertTrue($val->validateValue(str_repeat('€', 25)));
+		$this->assertFalse($val->validateValue(str_repeat('x', 125)));
+		$this->assertFalse($val->validateValue(''));
+		$val = new StringValidator(array('length' => array(25)));
+		$this->assertTrue($val->validateValue(str_repeat('x', 25)));
+		$this->assertTrue($val->validateValue(str_repeat('x', 1250)));
+		$this->assertFalse($val->validateValue(str_repeat('Ä', 24)));
+		$this->assertFalse($val->validateValue(''));
+		$val = new StringValidator(array('length' => array(10, 20)));
+		$this->assertTrue($val->validateValue(str_repeat('x', 15)));
+		$this->assertTrue($val->validateValue(str_repeat('x', 10)));
+		$this->assertTrue($val->validateValue(str_repeat('x', 20)));
+		$this->assertFalse($val->validateValue(str_repeat('x', 5)));
+		$this->assertFalse($val->validateValue(str_repeat('x', 25)));
+		$this->assertFalse($val->validateValue(''));
+		// make sure min/max are overridden
+		$val = new StringValidator(array('length' => array(10, 20), 'min' => 25, 'max' => 35));
+		$this->assertTrue($val->validateValue(str_repeat('x', 15)));
+		$this->assertFalse($val->validateValue(str_repeat('x', 30)));
+	}
+
+	public function testValidateValueMinMax()
+	{
+		$val = new StringValidator(array('min' => 10));
+		$this->assertTrue($val->validateValue(str_repeat('x', 10)));
+		$this->assertFalse($val->validateValue('xxxx'));
+		$val = new StringValidator(array('max' => 10));
+		$this->assertTrue($val->validateValue('xxxx'));
+		$this->assertFalse($val->validateValue(str_repeat('y', 20)));
+		$val = new StringValidator(array('min' => 10, 'max' => 20));
+		$this->assertTrue($val->validateValue(str_repeat('y', 15)));
+		$this->assertFalse($val->validateValue('abc'));
+		$this->assertFalse($val->validateValue(str_repeat('b', 25)));
+	}
+
+	public function testValidateAttribute()
+	{
+		$val = new StringValidator();
+		$model = new FakedValidationModel();
+		$model->attr_string = 'a tet string';
+		$val->validateAttribute($model, 'attr_string');
+		$this->assertFalse($model->hasErrors());
+		$val = new StringValidator(array('length' => 20));
+		$model = new FakedValidationModel();
+		$model->attr_string = str_repeat('x', 20);
+		$val->validateAttribute($model, 'attr_string');
+		$this->assertFalse($model->hasErrors());
+		$model = new FakedValidationModel();
+		$model->attr_string = 'abc';
+		$val->validateAttribute($model, 'attr_string');
+		$this->assertTrue($model->hasErrors('attr_string'));
+		$val = new StringValidator(array('max' => 2));
+		$model = new FakedValidationModel();
+		$model->attr_string = 'a';
+		$val->validateAttribute($model, 'attr_string');
+		$this->assertFalse($model->hasErrors());
+		$model = new FakedValidationModel();
+		$model->attr_string = 'abc';
+		$val->validateAttribute($model, 'attr_string');
+		$this->assertTrue($model->hasErrors('attr_string'));
+	}
+
+	public function testEnsureMessagesOnInit()
+	{
+		$val = new StringValidator(array('min' => 1, 'max' => 2));
+		$this->assertTrue(is_string($val->message));
+		$this->assertTrue(is_string($val->tooLong));
+		$this->assertTrue(is_string($val->tooShort));
+	}
+
+	public function testCustomErrorMessageInValidateAttribute()
+	{
+		$val = new StringValidator(array(
+			'min' => 5,
+			'tooShort' => '{attribute} to short. Min is {min}',
+		));
+		$model = new FakedValidationModel();
+		$model->attr_string = 'abc';
+		$val->validateAttribute($model, 'attr_string');
+		$this->assertTrue($model->hasErrors('attr_string'));
+		$this->assertEquals('attr_string to short. Min is 5', $model->getErrors('attr_string')[0]);
+	}
+}
\ No newline at end of file