/**
  * test_hiraganaSpaceOnly method
  *
  * @return void
  */
 public function test_hiraganaSpaceOnly()
 {
     $this->assertTrue(ApollonValidation::hiraganaSpaceOnly('あいうえおー'));
     $this->assertTrue(ApollonValidation::hiraganaSpaceOnly('あいうえおー '));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('あいうえおー '));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('aiueo'));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('アイウエオー'));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('アイウエオー '));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('アイウエオー '));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('あいうエオー'));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('1234567890'));
     $this->assertFalse(ApollonValidation::hiraganaSpaceOnly('ー^¥「@:」¥・;'));
 }