If a test fails, an error message is reported, indicating the point of failure, and program execution halts.

如果测试失败，就报告错误消息，指出故障点，同时程序执行中断。

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A test oracle in software testing is a mechanism for checking whether the program under test behaves correctly for any execution.

在软件测试中，测试预言是一种用于检查程序在测试中是否正常运行的机制。

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