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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using Xunit;
namespace Microsoft.AspNetCore.WebUtilities;
public class WebEncodersTests
{
[Theory]
[InlineData("", 1, 0)]
[InlineData("", 0, 1)]
[InlineData("0123456789", 9, 2)]
[InlineData("0123456789", Int32.MaxValue, 2)]
[InlineData("0123456789", 9, -1)]
public void Base64UrlDecode_BadOffsets(string input, int offset, int count)
{
// Act & assert
Assert.ThrowsAny<ArgumentException>(() =>
{
var retVal = WebEncoders.Base64UrlDecode(input, offset, count);
});
}
[Theory]
[InlineData(0, 1, 0)]
[InlineData(0, 0, 1)]
[InlineData(10, 9, 2)]
[InlineData(10, Int32.MaxValue, 2)]
[InlineData(10, 9, -1)]
public void Base64UrlEncode_BadOffsets(int inputLength, int offset, int count)
{
// Arrange
byte[] input = new byte[inputLength];
// Act & assert
Assert.ThrowsAny<ArgumentException>(() =>
{
var retVal = WebEncoders.Base64UrlEncode(input, offset, count);
});
}
[Fact]
public void DataOfVariousLengthRoundTripCorrectly()
{
for (int length = 0; length != 256; ++length)
{
var data = new byte[length];
for (int index = 0; index != length; ++index)
{
data[index] = (byte)(5 + length + (index * 23));
}
string text = WebEncoders.Base64UrlEncode(data);
byte[] result = WebEncoders.Base64UrlDecode(text);
for (int index = 0; index != length; ++index)
{
Assert.Equal(data[index], result[index]);
}
}
}
}
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