public void TestEqualsNonNull()
{
var bufferLengths = new[] { 0, 1, 2, 3, 4, 5, 7, 8, 9, 15, 16, 17, 100, 200 };
var rnd = new Random();
foreach (var len in bufferLengths)
{
var lhs = new byte[len];
rnd.NextBytes(lhs);
// 测试 Equals(...) 返回 true 的情况
var rhs = (byte[])lhs.Clone();
Assert.IsTrue(BufferUtils.Equals(lhs, rhs));
if (len != 0)
{
// 测试两数组长度相同但内容不同的情况
rhs = new byte[len];
do
{
rnd.NextBytes(rhs);
} while (lhs.SequenceEqual(rhs));
Assert.IsFalse(BufferUtils.Equals(lhs, rhs));
}
// 测试两数组长度不同的情况
rhs = new byte[len + rnd.Next(1, 20)];
rnd.NextBytes(rhs);
Assert.IsFalse(BufferUtils.Equals(lhs, rhs));
Assert.IsFalse(BufferUtils.Equals(rhs, lhs));
}
}
public void TestEqualsNull()
{
Assert.IsTrue(BufferUtils.Equals(null, null));
Assert.IsFalse(BufferUtils.Equals(null, new byte[0]));
Assert.IsFalse(BufferUtils.Equals(new byte[0], null));
}
