question: test method for com.github.pffy.chinese.hanyupinyin #tostring . concode_field_sep PlaceHolder placeHolder concode_field_sep void testSetInput concode_elem_sep void testHanyuPinyin concode_elem_sep void testSetModeTone concode_elem_sep void testHanyuPinyinStringInt concode_elem_sep void testHanyuPinyinString concode_elem_sep void testHanyuPinyinStringTone concode_elem_sep void testGetInput concode_elem_sep void testGetMode concode_elem_sep void testSetModeInt concode_elem_sep void testSetInputHelloWorld
target: void function ( ) { HanyuPinyin loc0 = new HanyuPinyin ( ) ; Assert . assertSame ( loc0 . toString ( ) . getClass ( ) , String . class ) ; }