清单4给出gps代码的一个简单测试用例。

Listing 4 shows a simple test case for the GPS code.

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测试包括本文中讨论的测试再加上许多大容量的简单测试用例。

The tests include those discussed in this paper plus a number of high-volume simple test cases.

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采用一个可以一直重现问题的简单测试用例通常都是个好主意，因为这可以显著地加速解决问题的过程。

Having a simple straightforward test case consistently reproducing the problem is always preferable, as it significantly speeds up resolution of the problem.

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