54 lines
2.1 KiB
C#
54 lines
2.1 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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namespace CommunityToolkit.Diagnostics;
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/// <inheritdoc/>
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partial class Guard
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{
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/// <inheritdoc/>
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partial class ThrowHelper
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{
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/// <summary>
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/// Throws an <see cref="ArgumentException"/> when <see cref="CanRead"/> fails.
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/// </summary>
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[DoesNotReturn]
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public static void ThrowArgumentExceptionForCanRead(Stream stream, string name)
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{
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throw new ArgumentException($"Stream {AssertString(name)} ({stream.GetType().ToTypeString()}) doesn't support reading.", name);
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}
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/// <summary>
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/// Throws an <see cref="ArgumentException"/> when <see cref="CanWrite"/> fails.
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/// </summary>
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[DoesNotReturn]
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public static void ThrowArgumentExceptionForCanWrite(Stream stream, string name)
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{
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throw new ArgumentException($"Stream {AssertString(name)} ({stream.GetType().ToTypeString()}) doesn't support writing.", name);
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}
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/// <summary>
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/// Throws an <see cref="ArgumentException"/> when <see cref="CanSeek"/> fails.
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/// </summary>
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[DoesNotReturn]
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public static void ThrowArgumentExceptionForCanSeek(Stream stream, string name)
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{
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throw new ArgumentException($"Stream {AssertString(name)} ({stream.GetType().ToTypeString()}) doesn't support seeking.", name);
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}
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/// <summary>
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/// Throws an <see cref="ArgumentException"/> when <see cref="IsAtStartPosition"/> fails.
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/// </summary>
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[DoesNotReturn]
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public static void ThrowArgumentExceptionForIsAtStartPosition(Stream stream, string name)
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{
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throw new ArgumentException($"Stream {AssertString(name)} ({stream.GetType().ToTypeString()}) must be at position {AssertString(0)}, was at {AssertString(stream.Position)}.", name);
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}
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}
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}
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