public void Test_SubGridTreeBitmapSubGridBitsTests_ForEach_Action()
{
// Test iteration action for empty, full and arbitrary masks
SubGridTreeBitmapSubGridBits bits = new SubGridTreeBitmapSubGridBits(SubGridBitsCreationOptions.Filled);
int sum;
sum = 0;
bits.ForEach((x, y) => { if (bits.BitSet(x, y))
{
sum++;
}
});
Assert.True(sum == bits.CountBits() && sum == SubGridTreeConsts.CellsPerSubGrid, "Summation via ForEach on full mask did not give expected result");
sum = 0;
bits.Clear();
bits.ForEach((x, y) => { if (bits.BitSet(x, y))
{
sum++;
}
});
Assert.True(sum == bits.CountBits() && sum == 0, "Summation via ForEach on empty mask did not give expected result");
sum = 0;
bits.SetBit(1, 1);
bits.ForEach((x, y) => { if (bits.BitSet(x, y))
{
sum++;
}
});
Assert.True(sum == bits.CountBits() && sum == 1, "Summation via ForEach on mask with single bit set at (1, 1) did not give expected result");
}
public void Test_SubGridTreeBitmapSubGridBitsTests_ClearBit()
{
// Test setting a bit on and off, at two corners to test boundary conditions
SubGridTreeBitmapSubGridBits bits = new SubGridTreeBitmapSubGridBits(SubGridBitsCreationOptions.Unfilled);
bits.SetBit(0, 0);
Assert.NotEqual(0U, bits.Bits[0]);
Assert.Equal(1, bits.CountBits());
bits.ClearBit(0, 0);
Assert.Equal(0U, bits.Bits[0]);
Assert.Equal(0, bits.CountBits());
bits.SetBit(31, 31);
Assert.NotEqual(0U, bits.Bits[31]);
Assert.Equal(1, bits.CountBits());
bits.ClearBit(31, 31);
Assert.Equal(0U, bits.Bits[31]);
Assert.Equal(0, bits.CountBits());
}
public void Test_SubGridTreeBitmapSubGridBitsTests_CountBits()
{
SubGridTreeBitmapSubGridBits bits = SubGridTreeBitmapSubGridBits.FullMask;
Assert.Equal(bits.CountBits(), SubGridTreeConsts.CellsPerSubGrid);
bits.Clear();
Assert.Equal(0, bits.CountBits());
bits.SetBit(1, 1);
Assert.Equal(1, bits.CountBits());
}
public void Test_SubGridTreeBitmapSubGridBitsTests_ForEach_Function()
{
// Test iteration function for empty, full and arbitrary masks
SubGridTreeBitmapSubGridBits bits = new SubGridTreeBitmapSubGridBits(SubGridBitsCreationOptions.Unfilled);
bits.ForEach((x, y) => { return(true); });
Assert.Equal(bits.CountBits(), SubGridTreeConsts.CellsPerSubGrid);
bits.Clear();
bits.ForEach((x, y) => { return(x < 16); });
Assert.Equal(bits.CountBits(), SubGridTreeConsts.CellsPerSubGrid / 2);
bits.Clear();
bits.ForEach((x, y) => { return((x == 1) && (y == 1)); });
Assert.Equal(1, bits.CountBits());
}
public void Test_SubGridTreeBitmapSubGridBitsTests_Serialisation_Arbitrary()
{
// Test serialisation with arbitrary bits set
SubGridTreeBitmapSubGridBits bits = new SubGridTreeBitmapSubGridBits(SubGridBitsCreationOptions.Unfilled);
bits.SetBit(0, 0);
bits.SetBit(10, 10);
bits.SetBit(20, 20);
bits.SetBit(31, 31);
MemoryStream ms = new MemoryStream(Consts.TREX_DEFAULT_MEMORY_STREAM_CAPACITY_ON_CREATION);
BinaryWriter bw = new BinaryWriter(ms, Encoding.UTF8, true);
bits.Write(bw);
BinaryReader br = new BinaryReader(ms, Encoding.UTF8, true);
ms.Position = 0;
SubGridTreeBitmapSubGridBits bits2 = SubGridTreeBitmapSubGridBits.FullMask;
bits2.Read(br);
Assert.True(bits.Equals(bits2), "Bits not equal after serialisation with arbitrary mask");
Assert.Equal(4, bits.CountBits());
}
