…《代码大全》（第2版）第27章讨论过这个问题。http://news.ycombinator.com/item?id=3037293 以及 HN 上的其他几个帖子也聊过。另外，如果有人手头能看到卡珀斯·琼斯（Capers Jones）1986年《编程生产力》（Programming Productivity）里的《程序规模的影响》（The Impact of Program Size）而且愿意行个方便，麻烦引用一下相关结论。我在网上找不到。
…27 of Code Complete (2nd ed.) discusses this. So does http://news.ycombinator.com/item?id=3037293 among other HN threads. Also, if anyone has access to Capers Jones' "The Impact of Program Size" from Programming Productivity (1986) and is feeling generous, please cite the relevant findings. I can't find it online.
…test 15% 25% 30% System test 25% 40% 55% Low-volume beta test (<10 sites) 25% 35% 40% High-volume beta test (>1,000 sites) 60% 75% 85% Source: Adapted from Programming Productivity (Jones 1986a), "Software Defect-Removal Efficiency" (Jones 1996), and "What We Have Learned About Fighting Defects" (Shull et al. 2002). Really, I'm not saying that TDD is bad, not at all.…
…《代码大全》（第2版）第27章讨论过这个问题。http://news.ycombinator.com/item?id=3037293 以及 HN 上的其他几个帖子也聊过。另外，如果有人手头能看到卡珀斯·琼斯（Capers Jones）1986年《编程生产力》（Programming Productivity）里的《程序规模的影响》（The Impact of Program Size）而且愿意行个方便，麻烦引用一下相关结论。我在网上找不到。
…27 of Code Complete (2nd ed.) discusses this. So does http://news.ycombinator.com/item?id=3037293 among other HN threads. Also, if anyone has access to Capers Jones' "The Impact of Program Size" from Programming Productivity (1986) and is feeling generous, please cite the relevant findings. I can't find it online.
…测试 15% 25% 30% 系统测试 25% 40% 55% 小规模 Beta 测试（<10 个站点）25% 35% 40% 大规模 Beta 测试（>1,000 个站点）60% 75% 85% 数据来源：改编自《编程生产力》（Jones 1986a）、《软件缺陷清除效率》（Jones 1996）以及《关于对抗缺陷我们学到了什么》（Shull 等，2002）。说真的，我绝不是说 TDD 不好，完全没有那个意思。…
…test 15% 25% 30% System test 25% 40% 55% Low-volume beta test (<10 sites) 25% 35% 40% High-volume beta test (>1,000 sites) 60% 75% 85% Source: Adapted from Programming Productivity (Jones 1986a), "Software Defect-Removal Efficiency" (Jones 1996), and "What We Have Learned About Fighting Defects" (Shull et al. 2002). Really, I'm not saying that TDD is bad, not at all.…