Junit method testing conditions

Question

Suppose i have this java method :

boolean sample(){
  boolean returne = false;
  if( (a>b || b>c) && d>e ){
    returne = true;
  }
 return returne;
}

To be sure i have unit tested well my method, should i include all those scenarios in my unit tests methods :

• Test where a>b or b>c and d>e
• Test where a=b or b=c and d=e
• Test where a
• Test where a>b or b=c and d>e
• .... and going with all the possibilities...

Answer 1

@abubakkar所建议的Pitest.org是此请求的答案，该工具通过更改类的字节码来进行突变测试，从而针对所有可能的失败，错误，未发现的错误进行测试...