This is accomplished with the common testing pattern known as mock objects.

这通过名为模拟对象的常见测试模式实现。

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Much as that team recognized decades ago how drugs were growing in complexity and would be cheaper to buy if a company aggregated demand, they seem to see the same pattern with genetic testing.

FORBES: Genetic Testing, Electric Cars, and Powerful Intermediaries

In running various versions of a website through product testing, a company may decide to choose the version with the dark pattern that maximizes sales or other gain.

FORBES: Connect

We might have detected a hint of lagginess as compared to our Roku HD-XR here and there, but we were jumping out of channels and video pretty fast while we were testing -- when we slowed down to a more real-world usage pattern, things were quite responsive.

ENGADGET: Roku XDS review