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Imported Upstream version 6.12.0.86

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Former-commit-id: 7a84ce7d08c42c458ac8e74b27186ca863315d79
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Xamarin Public Jenkins (auto-signing)
2020-07-10 08:44:59 +00:00
parent 92747312ea
commit 0b380204a4
812 changed files with 26901 additions and 9053 deletions
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22
mcs/class/corlib/Test/System/BufferTest.cs
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@ -297,5 +297,27 @@ namespace MonoTests.System {
Assert.AreEqual (0xAABB0000, b, "#2");
}
}
[Test] // https://github.com/mono/mono/issues/18516
public unsafe void MemoryCopy_Overlapped ()
{
byte [] buffer = new byte [5];
for (int i = 0; i < buffer.Length; i++)
buffer [i] = (byte)i;
int bytesToCopy = buffer.Length - 1;
fixed (byte* pBuffer = buffer)
Buffer.MemoryCopy (pBuffer, pBuffer + 1, buffer.Length - 1, bytesToCopy);
bool failed = false;
for (int i = 0; i < buffer.Length; i++)
{
byte expectedByte = (byte)(i == 0 ? 0 : i - 1);
if (buffer [i] != expectedByte)
failed = true;
}
Assert.IsFalse (failed);
}
}
}