wangjun
3 years ago
16 changed files with 682 additions and 253 deletions
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using System.Collections.Specialized; |
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using System.Reflection; |
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namespace System; |
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/// <summary>
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/// long<see cref="long"/>的扩展辅助操作方法
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/// </summary>
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public static class LongExtensions |
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{ |
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/// <summary>
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/// 时间戳转本地时间-时间戳精确到秒
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/// </summary>
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public static DateTime ToLocalTimeDateBySeconds(this long unix) |
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{ |
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var dto = DateTimeOffset.FromUnixTimeSeconds(unix); |
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return dto.ToLocalTime().DateTime; |
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} |
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/// <summary>
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/// 时间戳转本地时间-时间戳精确到毫秒
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/// </summary>
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public static DateTime ToLocalTimeDateByMilliseconds(this long unix) |
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{ |
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var dto = DateTimeOffset.FromUnixTimeMilliseconds(unix); |
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return dto.ToLocalTime().DateTime; |
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} |
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} |
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@ -1,21 +0,0 @@ |
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namespace System.Reflection; |
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/// <summary>
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/// 属性<see cref="MethodInfo"/>的扩展辅助操作方法
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/// </summary>
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public static class PropertyInfoExtensions |
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{ |
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/// <summary>
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/// 返回当前属性信息是否为virtual
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/// </summary>
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public static bool IsVirtual(this PropertyInfo property) |
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{ |
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var accessor = property.GetAccessors().FirstOrDefault(); |
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if (accessor == null) |
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{ |
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return false; |
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} |
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return accessor.IsVirtual && !accessor.IsFinal; |
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} |
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} |
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@ -0,0 +1,82 @@ |
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using System.Text; |
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namespace System; |
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public class ExceptionExtensionsTests |
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{ |
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[Fact] |
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public void FormatMessage_ReturnsFormattedString() |
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{ |
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// Arrange
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var exception = new Exception("Test exception"); |
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exception.Data["CustomData"] = "Custom value"; |
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var isHideStackTrace = false; |
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var expectedMessage = new StringBuilder() |
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.AppendLine("异常消息：Test exception") |
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.AppendLine("异常类型：System.Exception") |
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.AppendLine("异常方法：") |
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.AppendLine("异常源：") |
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.AppendLine("异常堆栈： at YourNamespace.Tests.ExceptionExtensionsTests.FormatMessage_ReturnsFormattedString()") |
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.AppendLine("内部异常：") |
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.ToString(); |
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// Act
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var result = exception.FormatMessage(isHideStackTrace); |
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// Assert
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result.ShouldBe(expectedMessage); |
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} |
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// [Fact]
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// public void ReThrow_RethrowsException()
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// {
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// // Arrange
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// var originalException = new Exception("Original exception");
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//
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// // Act & Assert
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// Should.Throw<Exception>(() => originalException.ReThrow());
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// }
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//
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[Fact] |
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public void ThrowIf_ThrowsExceptionIfConditionIsTrue() |
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{ |
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// Arrange
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var exception = new InvalidOperationException("Test exception"); |
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var isThrow = true; |
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// Act & Assert
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Should.Throw<InvalidOperationException>(() => exception.ThrowIf(isThrow)); |
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} |
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[Fact] |
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public void ThrowIf_DoesNotThrowExceptionIfConditionIsFalse() |
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{ |
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// Arrange
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var exception = new InvalidOperationException("Test exception"); |
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var isThrow = false; |
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// Act & Assert
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exception.ThrowIf(isThrow); // Should not throw an exception
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} |
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[Fact] |
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public void ThrowIf_ThrowsExceptionIfConditionFunctionIsTrue() |
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{ |
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// Arrange
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var exception = new InvalidOperationException("Test exception"); |
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// Act & Assert
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Should.Throw<InvalidOperationException>(() => exception.ThrowIf(() => true)); |
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} |
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[Fact] |
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public void ThrowIf_DoesNotThrowExceptionIfConditionFunctionIsFalse() |
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{ |
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// Arrange
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var exception = new InvalidOperationException("Test exception"); |
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// Act & Assert
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exception.ThrowIf(() => false); // Should not throw an exception
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} |
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} |
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@ -0,0 +1,58 @@ |
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using System.ComponentModel; |
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using System.ComponentModel.DataAnnotations; |
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namespace System.Reflection; |
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public class MemberInfoExtensionsTests |
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{ |
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private class TestClass |
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{ |
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[Description("Test property")] |
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public string TestProperty { get; set; } |
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[DisplayName("Test method")] |
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public void TestMethod() {} |
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[Display(Name = "Test field")] |
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public int TestField; |
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} |
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[Fact] |
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public void GetDescription_ReturnsDescriptionAttribute_WhenExists() |
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{ |
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// Arrange
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var memberInfo = typeof(TestClass).GetProperty(nameof(TestClass.TestProperty)); |
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// Act
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var result = memberInfo.GetDescription(); |
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// Assert
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result.ShouldBe("Test property"); |
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} |
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[Fact] |
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public void GetDescription_ReturnsDisplayNameAttribute_WhenDescriptionAttributeNotExists() |
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{ |
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// Arrange
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var memberInfo = typeof(TestClass).GetMethod(nameof(TestClass.TestMethod)); |
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// Act
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var result = memberInfo.GetDescription(); |
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// Assert
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result.ShouldBe("Test method"); |
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} |
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[Fact] |
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public void GetDescription_ReturnsDisplayAttribute_WhenBothDescriptionAndDisplayNameAttributesNotExists() |
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{ |
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// Arrange
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var memberInfo = typeof(TestClass).GetField(nameof(TestClass.TestField)); |
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// Act
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var result = memberInfo.GetDescription(); |
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// Assert
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result.ShouldBe("Test field"); |
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} |
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} |
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@ -0,0 +1,87 @@ |
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namespace System.Reflection; |
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public class MethodInfoExtensionsTests |
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{ |
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private abstract class BaseClass |
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{ |
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public virtual void Method1() {} |
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public virtual async Task<int> Method2Async() { await Task.Delay(1); return 42; } |
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public void Method3() {} |
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} |
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private class DerivedClass : BaseClass |
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{ |
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public override void Method1() {} |
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public override async Task<int> Method2Async() { await Task.Delay(1); return 43; } |
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public new void Method3() {} |
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} |
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[Fact] |
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public void IsAsync_ReturnsFalse_WhenReturnTypeIsNotTask() |
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{ |
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// Arrange
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var methodInfo = typeof(BaseClass).GetMethod(nameof(BaseClass.Method1)); |
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// Act
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var result = methodInfo.IsAsync(); |
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// Assert
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result.ShouldBeFalse(); |
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} |
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[Fact] |
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public void IsAsync_ReturnsTrue_WhenReturnTypeIsTaskOfT() |
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{ |
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// Arrange
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var methodInfo = typeof(BaseClass).GetMethod(nameof(BaseClass.Method2Async)); |
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// Act
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var result = methodInfo.IsAsync(); |
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// Assert
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result.ShouldBeTrue(); |
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} |
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[Fact] |
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public void IsOverridden_ReturnsFalse_WhenMethodIsNotOverridden() |
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{ |
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// Arrange
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var methodInfo = typeof(BaseClass).GetMethod(nameof(BaseClass.Method3)); |
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// Act
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var result = methodInfo.IsOverridden(); |
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// Assert
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result.ShouldBeFalse(); |
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} |
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[Fact] |
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public void IsOverridden_ReturnsTrue_WhenMethodIsOverridden() |
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{ |
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// Arrange
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var methodInfo = typeof(DerivedClass).GetMethod(nameof(DerivedClass.Method1)); |
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// Act
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var result = methodInfo.IsOverridden(); |
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// Assert
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result.ShouldBeTrue(); |
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} |
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[Fact] |
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public void IsOverridden_ReturnsFalse_WhenMethodIsHiddenByNew() |
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{ |
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// Arrange
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var methodInfo = typeof(DerivedClass).GetMethod(nameof(DerivedClass.Method3)); |
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// Act
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var result = methodInfo.IsOverridden(); |
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// Assert
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result.ShouldBeFalse(); |
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} |
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} |
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@ -1,58 +1,91 @@ |
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namespace System.Text; |
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namespace System.Text |
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{ |
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public class StringBuilderExtensionsTest |
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{ |
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[Fact] |
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public void TrimTest() |
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public void TrimStart_RemovesLeadingWhitespace() |
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{ |
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var sb = new StringBuilder(" hello world "); |
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sb.Trim().ToString().ShouldBe("hello world"); |
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var sb = new StringBuilder(" hello"); |
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sb.TrimStart(); |
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sb.ToString().ShouldBe("hello"); |
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} |
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[Fact] |
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public void TrimStartTest() |
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public void TrimStart_RemovesLeadingChar() |
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{ |
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var sb = new StringBuilder(); |
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sb.TrimStart('a').ToString().ShouldBe(string.Empty); |
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sb.Append("asdfgef"); |
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sb.TrimStart('a').ToString().ShouldBe("sdfgef"); |
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sb.Insert(0, " "); |
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sb.TrimStart().ToString().ShouldBe("sdfgef"); |
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sb.TrimStart("sdf").ToString().ShouldBe("gef"); |
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sb.TrimStart("gef").ToString().ShouldBe(string.Empty); |
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var sb = new StringBuilder("***hello"); |
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sb.TrimStart('*'); |
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sb.ToString().ShouldBe("hello"); |
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} |
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[Fact] |
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public void TrimEndTest() |
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public void TrimStart_RemovesLeadingChars() |
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{ |
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var sb = new StringBuilder("asdfgef"); |
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var sb = new StringBuilder("###hello"); |
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sb.TrimStart(new char[] { '#' }); |
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sb.ToString().ShouldBe("hello"); |
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} |
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sb.TrimEnd((string)null).ToString().ShouldBe("asdfgef"); |
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[Fact] |
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public void TrimStart_RemovesLeadingString() |
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{ |
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var sb = new StringBuilder("world of warcraft"); |
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sb.TrimStart("world of"); |
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sb.ToString().ShouldBe(" warcraft"); |
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} |
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sb.TrimEnd('a').ToString().ShouldBe("asdfgef"); |
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[Fact] |
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public void TrimEnd_RemovesTrailingWhitespace() |
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{ |
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var sb = new StringBuilder("world "); |
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sb.TrimEnd(); |
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sb.ToString().ShouldBe("world"); |
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} |
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sb.TrimEnd('f').ToString().ShouldBe("asdfge"); |
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[Fact] |
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public void TrimEnd_RemovesTrailingChar() |
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{ |
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var sb = new StringBuilder("hello***"); |
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sb.TrimEnd('*'); |
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sb.ToString().ShouldBe("hello"); |
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} |
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sb.Append(" "); |
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sb.TrimEnd().ToString().ShouldBe("asdfge"); |
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[Fact] |
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public void TrimEnd_RemovesTrailingChars() |
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{ |
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var sb = new StringBuilder("hello###"); |
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sb.TrimEnd(new char[] { '#' }); |
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sb.ToString().ShouldBe("hello"); |
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} |
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sb.TrimEnd(new[] { 'g', 'e' }).ToString().ShouldBe("asdf"); |
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sb.TrimEnd("asdf").ToString().ShouldBe(string.Empty); |
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[Fact] |
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public void TrimEnd_RemovesTrailingString() |
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{ |
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var sb = new StringBuilder("world of warcraft"); |
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sb.TrimEnd("of warcraft"); |
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sb.ToString().ShouldBe("world "); |
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} |
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[Fact] |
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public void SubStringTest() |
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public void Trim_RemovesLeadingAndTrailingWhitespace() |
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{ |
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var sb = new StringBuilder("asdfgef"); |
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Should.Throw<ArgumentOutOfRangeException>(() => |
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var sb = new StringBuilder(" foo "); |
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sb.Trim(); |
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sb.ToString().ShouldBe("foo"); |
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} |
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[Fact] |
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public void Substring_ReturnsSubstringWithCorrectLength() |
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{ |
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sb.SubString(0, 8); |
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}); |
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sb.SubString(0, 3).ToString().ShouldBe("asd"); |
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var sb = new StringBuilder("abcdefg"); |
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sb.SubString(1, 3).ShouldBe("bcd"); |
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} |
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[Fact] |
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public void Substring_ThrowsExceptionWhenStartPlusLengthIsGreaterThanLength() |
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{ |
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var sb = new StringBuilder("abcdefg"); |
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Should.Throw<ArgumentOutOfRangeException>(() => sb.SubString(2, 6)); |
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} |
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} |
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} |
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