public unsafe void UnsafeUtility_ReadArrayElementBoundsChecked_Performance()
{
const int numElements = 16 << 10;
var sizeOf = UnsafeUtility.SizeOf <TestStruct>();
var alignOf = UnsafeUtility.AlignOf <TestStruct>();
var list = new UnsafeList(sizeOf, alignOf, numElements, Allocator.Persistent, NativeArrayOptions.ClearMemory);
for (int i = 0; i < numElements; ++i)
{
list.Add(new TestStruct {
x = i, y = (short)(i + 1), z = true
});
}
Measure.Method(() =>
{
for (int i = 0; i < numElements; ++i)
{
UnsafeUtilityExtensions.ReadArrayElementBoundsChecked <TestStruct>(list.Ptr, i, numElements);
}
})
.WarmupCount(100)
.MeasurementCount(1000)
.Run();
list.Dispose();
}
public unsafe void UnsafeUtility_WriteArrayElementBoundsChecked_Works()
{
using (var array0 = MakeTestArray(0x12345678, 0x12345678, 0x12345678, 0x12345678, 0x12345678, 0x12345678))
{
var mem = (byte *)NativeArrayUnsafeUtility.GetUnsafePtr(array0);
var len = array0.Length;
Assert.DoesNotThrow(() => { UnsafeUtilityExtensions.WriteArrayElementBoundsChecked(mem, 5, -98765432, len); });
Assert.Throws <IndexOutOfRangeException>(() => { UnsafeUtilityExtensions.WriteArrayElementBoundsChecked(mem, 6, -98765432, len); });
Assert.Throws <IndexOutOfRangeException>(() => { UnsafeUtilityExtensions.WriteArrayElementBoundsChecked(mem, -1, -98765432, len); });
}
}
public unsafe void UnsafeUtility_MemSwap_DoesThrow_Overlapped()
{
using (var array0 = MakeTestArray(0x12345678, 0x12345678, 0x12345678, 0x12345678, 0x12345678, 0x12345678))
{
var mem = (byte *)NativeArrayUnsafeUtility.GetUnsafePtr(array0);
var len = array0.Length * UnsafeUtility.SizeOf <int>();
Assert.DoesNotThrow(() => { UnsafeUtilityExtensions.MemSwap(mem + 10, mem, 10); });
Assert.Throws <InvalidOperationException>(() => { UnsafeUtilityExtensions.MemSwap(mem + 10, mem, len - 10); });
Assert.DoesNotThrow(() => { UnsafeUtilityExtensions.MemSwap(mem, mem + 10, 10); });
Assert.Throws <InvalidOperationException>(() => { UnsafeUtilityExtensions.MemSwap(mem, mem + 10, len - 10); });
}
}
public unsafe void UnsafeUtility_MemSwap()
{
using (var array0 = MakeTestArray(0x12345678, 0x12345678, 0x12345678, 0x12345678, 0x12345678, 0x12345678))
using (var array1 = MakeTestArray(0x21436587, 0x21436587, 0x21436587, 0x21436587, 0x21436587, 0x21436587))
{
UnsafeUtilityExtensions.MemSwap(NativeArrayUnsafeUtility.GetUnsafePtr(array0), NativeArrayUnsafeUtility.GetUnsafePtr(array1), array0.Length * UnsafeUtility.SizeOf <int>());
foreach (var b in array0)
{
Assert.AreEqual(0x21436587, b);
}
foreach (var b in array1)
{
Assert.AreEqual(0x12345678, b);
}
}
}
public unsafe void UnsafeUtility_WriteArrayElementBoundsChecked_Performance()
{
const int numElements = 16 << 10;
var list = new UnsafeList <TestStruct>(numElements, Allocator.Persistent, NativeArrayOptions.ClearMemory);
var test = new TestStruct {
x = 0, y = 1, z = true
};
Measure.Method(() =>
{
for (int i = 0; i < numElements; ++i)
{
UnsafeUtilityExtensions.WriteArrayElementBoundsChecked(list.Ptr, i, test, numElements);
}
})
.WarmupCount(100)
.MeasurementCount(1000)
.Run();
list.Dispose();
}