我正在尝试使用junit框架构建一个示例测试类。 我已经下载了junit4.9b3。 当我尝试编译我的测试类时,我得到了以下错误: -
I'm trying to build a sample test class using junit framework. I've downloaded junit4.9b3. When I try to complie my test class I get the following error:-
javac -cp ".;C:\Documents and Settings\user\Desktop\junit\junit4.9b3\junit-4.9b3.jar" TestSubscription.java TestSubscription.java:10: cannot find symbol symbol : method assertTrue(boolean) location: class TestSubscription assertTrue(s.pricePerMonth()==100.0); ^ TestSubscription.java:17: cannot find symbol symbol : method assertTrue(boolean) location: class TestSubscription assertTrue(s.pricePerMonth()==66.67); ^ 2 errors看起来assertTrue不可用但junit javadoc提到这个方法。 我使用导入如下
Looks like assertTrue is not available but the junit javadoc mentions this method. I'm using the import as follows
import org.junit.*; import org.junit.Assert.*;任何想法?
推荐答案您已导入类型,但未使用 静态导入,使成员无需资格即可使用。如果你使用:
You've imported the types, but not used a static import to make the members available without qualification. If you use:
import static org.junit.Assert.*;那么应该静态导入 Assert class,所以你可以写 assertTrue 而不是 Assert.assertTrue 。
then that should statically import all the static methods in the Assert class, so you can write assertTrue instead of Assert.assertTrue.
请注意,大概 Assert 本身有嵌套类型,否则我预计你的正常导入会失败。
Note that presumably Assert itself has nested types, otherwise I'd have expected your "normal" import to fail.
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