59 lines
1.9 KiB
C#
59 lines
1.9 KiB
C#
using Just.Core.Extensions;
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namespace Just.Core.Tests.SystemIOStreamExtensionsTests;
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public class Populate
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{
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[Theory]
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[InlineData(0, 0)]
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[InlineData(0, 1)]
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[InlineData(0, 3)]
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[InlineData(0, 5)]
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[InlineData(3, 0)]
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[InlineData(3, 1)]
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[InlineData(3, 5)]
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[InlineData(5, 0)]
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[InlineData(5, 1)]
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[InlineData(5, 5)]
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public void WhenCalled_ShouldPopulateSpecifiedRange(int offset, int length)
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{
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byte[] streamContent = [0x01, 0x02, 0x03, 0x04, 0x05,];
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using var stream = new MemoryStream(streamContent);
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var buffer = new byte[10];
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stream.Populate(buffer, offset, length);
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buffer.Skip(offset).Take(length).ShouldBe(streamContent.Take(length));
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}
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[Theory]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, }, 4)]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 4)]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 5)]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, }, 5)]
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public void WhenStreamContainsSameOrGreaterAmmountOfItems_ShouldPopulateBuffer(byte[] streamContent, int bufferSize)
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{
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using var stream = new MemoryStream(streamContent);
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var buffer = new byte[bufferSize];
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stream.Populate(buffer);
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buffer.ShouldBe(streamContent.Take(bufferSize));
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}
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[Theory]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, }, 5)]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 6)]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, }, 10)]
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[InlineData(new byte[]{ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, }, 9)]
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public void WhenStreamContainsLessItems_ShouldThrowEndOfStreamException(byte[] streamContent, int bufferSize)
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{
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using var stream = new MemoryStream(streamContent);
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var buffer = new byte[bufferSize];
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Action action = () => stream.Populate(buffer);
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action.ShouldThrow<EndOfStreamException>();
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}
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}
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