C# 属性不应继承

发布于 2024-10-10 06:01:53 字数 409 浏览 0 评论 0原文

由于属性在 C# 中不会继承（至少我不认为它们会继承） - 当 MyTestMethod 测试运行时，以下代码如何仍然显示 Hello 弹出窗口：

[TestClass]
public class BaseTestClass {
    [TestInitialize]
    public void Foo() {
        System.Windows.Forms.MessageBox.Show("Hello");
    }
}

[TestClass]
public class TestClass : BaseTestClass {
    [TestMethod]
    public void MyTestMethod() {
        Assert.IsTrue(true);
    }
}

原文

Since attributes don't inherit in C# (at least I didn't think they did) - how does the following code still display the Hello popup when the MyTestMethod test is run:

[TestClass]
public class BaseTestClass {
    [TestInitialize]
    public void Foo() {
        System.Windows.Forms.MessageBox.Show("Hello");
    }
}

[TestClass]
public class TestClass : BaseTestClass {
    [TestMethod]
    public void MyTestMethod() {
        Assert.IsTrue(true);
    }
}

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诗笺 2024-10-17 06:01:53

默认情况下会继承属性，但可以禁用此功能 - 请参阅 AttributeUsage.Inherited

如果您使用 AttributeUsage 属性来修饰属性定义，则可以设置此属性：

[AttributeUsage(AttributeTargets.Class, Inherited = false)]
public class MyAttribute : Attribute
{
}

Attributes are inherited by default but this can be disabled - see AttributeUsage.Inherited

If you decorate the attribute definition with an AttributeUsage attribute, you can set this property:

[AttributeUsage(AttributeTargets.Class, Inherited = false)]
public class MyAttribute : Attribute
{
}

回复收藏 0 原文

好倦 2024-10-17 06:01:53

如果不按原样工作，请将方法 Foo 虚拟并重写它，然后将 TestInitialize 放在 TestClass 重写方法中

 [TestClass]
  public class BaseTestClass
  {

    public virtual void Foo()
    {
      System.Windows.Forms.MessageBox.Show("Hello");
    }
  }

  [TestClass]
  public class TestClass : BaseTestClass
  {
     [TestInitialize]
    public override void Foo()
    {
      base.Foo();
    }

    [TestMethod]
    public void MyTestMethod()
    {
      Assert.IsTrue(true);
    }
  }

If not working as is make method Foo virtual and just override it, and put the TestInitialize at your TestClass override method

 [TestClass]
  public class BaseTestClass
  {

    public virtual void Foo()
    {
      System.Windows.Forms.MessageBox.Show("Hello");
    }
  }

  [TestClass]
  public class TestClass : BaseTestClass
  {
     [TestInitialize]
    public override void Foo()
    {
      base.Foo();
    }

    [TestMethod]
    public void MyTestMethod()
    {
      Assert.IsTrue(true);
    }
  }

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~没有更多了~