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Fix FindFirstEqualByte tests 

- On some platforms, the bytes array was not large enough to fill a vector.
  Ex: https://travis-ci.org/aspnet/KestrelHttpServer/builds/105277870#L2633
- Additionally test FindFirstEqualByte with only one bit set in the array
This commit is contained in:
Stephen Halter 2016-01-27 14:31:24 -08:00
parent 15ed03eb26
commit d616f0ccb0
1 changed files with 20 additions and 8 deletions
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28
test/Microsoft.AspNetCore.Server.KestrelTests/MemoryPoolIterator2Tests.cs
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@ -21,31 +21,43 @@ namespace Microsoft.AspNetCore.Server.KestrelTests
} }
[Fact] [Fact]
public void FindFirstByte() public void FindFirstEqualByte()
{ {
var bytes = new byte[] { var bytes = Enumerable.Repeat<byte>(0xff, Vector<byte>.Count).ToArray();
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
for (int i = 0; i < Vector<byte>.Count; i++) for (int i = 0; i < Vector<byte>.Count; i++)
{ {
Vector<byte> vector = new Vector<byte>(bytes); Vector<byte> vector = new Vector<byte>(bytes);
Assert.Equal(i, MemoryPoolIterator2.FindFirstEqualByte(ref vector)); Assert.Equal(i, MemoryPoolIterator2.FindFirstEqualByte(ref vector));
bytes[i] = 0; bytes[i] = 0;
} }
for (int i = 0; i < Vector<byte>.Count; i++)
{
bytes[i] = 1;
Vector<byte> vector = new Vector<byte>(bytes);
Assert.Equal(i, MemoryPoolIterator2.FindFirstEqualByte(ref vector));
bytes[i] = 0;
}
} }
[Fact] [Fact]
public void _FindFirstByte() public void FindFirstEqualByteSlow()
{ {
var bytes = new byte[] { var bytes = Enumerable.Repeat<byte>(0xff, Vector<byte>.Count).ToArray();
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
for (int i = 0; i < Vector<byte>.Count; i++) for (int i = 0; i < Vector<byte>.Count; i++)
{ {
Vector<byte> vector = new Vector<byte>(bytes); Vector<byte> vector = new Vector<byte>(bytes);
Assert.Equal(i, MemoryPoolIterator2.FindFirstEqualByteSlow(ref vector)); Assert.Equal(i, MemoryPoolIterator2.FindFirstEqualByteSlow(ref vector));
bytes[i] = 0; bytes[i] = 0;
} }
for (int i = 0; i < Vector<byte>.Count; i++)
{
bytes[i] = 1;
Vector<byte> vector = new Vector<byte>(bytes);
Assert.Equal(i, MemoryPoolIterator2.FindFirstEqualByteSlow(ref vector));
bytes[i] = 0;
}
} }
[Theory] [Theory]