将会有两个测试单元来测试这种情况，并会立刻失败。
There's a couple of unit tests that test this condition and will fail as of right now.
主应用程序可以决定是要让配置要求立刻失败，还是等候到可以满足此要求为止(视失败的严重性而定)。
Depending upon the severity of a failure, a host can decide whether to fail the allocation request immediately or to wait until it can be satisfied.
这种方法不好的一面是会立刻得到成百上千个失败的测试。
The downside to this approach is that you'll immediately have hundreds to thousands of failing tests.
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