/**
  * Test for PMA_StringNative::strtolower
  *
  * @param string $expected Expected lowercased string
  * @param string $string   String to convert to lowercase
  *
  * @return void
  * @test
  * @dataProvider strToLowerData
  */
 public function testStrToLower($expected, $string)
 {
     $this->assertEquals($expected, $this->testObject->strtolower($string));
 }
 /**
  * Tests for strtolower
  *
  * @param string $str Input string
  *
  * @return void
  * @test
  * @dataProvider providerCase
  */
 public function testStrtolower($str)
 {
     $native = $this->_native->strtolower($str);
     $multibytes = $this->_mb->strtolower($str);
     $this->assertTrue($native === $multibytes, 'native strtolower: ' . var_export($native, true) . ' - mb strtolower: ' . var_export($multibytes, true));
 }