To refine your unit test further, you can assert that the validation failed for a specific constraint on a specific field, as shown in Listing 8.
要进一步细化单元测试，您可以断言验证会因为特定字段上的特定约束而失败，如清单8所示。
We created a script in Robot to test whether the part number field validation was functioning properly.
我们在Robot 中创建了一个测试脚本来测试数字域的验证是否示适当的。
At present, this system gets the perfect operation efficiency and high accurate vegetation remote sensing information extraction and classification results by test operation and field validation.
目前，该系统经过试验运行和实况验证，取得了良好的运行效率和精度较高的植被遥感信息提取、分类结果。
Validation controls enable you to check for a required field, to test against a specific value or pattern of characters, to verify that a value lies within a range, and so on.
验证控件可用于对必填字段进行检查，对照字符的特定值或模式进行测试，验证某个值是否在限定范围之内，等等。
Validation controls enable you to check for a required field, to test against a specific value or pattern of characters, to verify that a value lies within a range, and so on.
验证控件可用于对必填字段进行检查，对照字符的特定值或模式进行测试，验证某个值是否在限定范围之内，等等。
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