这个匹配器检查一组匹配者, 如果它们都成功的话, 就会成功 。
签名内容如下:
public static <T> Matcher<T> allOf(Iterable<Matcher<? extends T>> matchers)
Why does this take an iterable of
Matcher<? extends T>
and not
Matcher<? super t>
如果正确,请解释。
类型将从匹配对象( 测试过) 中推断出来, 因此我期望您可以持有匹配对象或任何超级类的匹配对象。 类似地, 允许替换对象持有仅与子类兼容的匹配对象似乎是错误的 。
(回答自己的问题)
我的坏 - 不小心使用旧版本。 这在2007年< a href="http://code.google.com/ p/hamcrest/source/diff?spec=svn194&r=194&format=side&path=/trunk/hamcrest-core/src/main/java/org/hamcrest/core/Allof.java" rel="nofolpol" > 固定在2007年 < /a> 哈姆克累斯特1.2。 但旧的“ extends” 版本包括在J Unit中, 直到J United 4. 11, 2012年12月发布。
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