A person who does nothing but to compare a program against some reference is a checker, not a tester.
而仅仅根据参考文档来比较当前程序的人也是检查人员，不是测试人员。
2
Click here to download the sample Triangle Testerprogram.
单击此处，下载示例程序Triangle Tester。
3
One day, a tester working on the program noted that a requirement specifying the possible values of this Cheese attribute had recently changed. No longer was it two bytes.