目录1. 验证状态变化（最常用）2. 验证行为交互（使用 Mockito）3. 验证异常抛出最佳实践建议：完整测试示例：在 javascriptJava 中对 void 方法进行单元测试断言，主要通过以下三种策略实现（以 JUnit 和 AssertJ 为
I am trying to do file browser in a tree form and have a problem to sort it somehow. I use PHP and MySQL for that. I\'ve created mixed (nested set + adjacency) table \'element\' with the following fie
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