using Nyanbyte.Sysnya.Binary;

namespace Nyanbyte.Sysnya.CoreTests.Binary;

public class BinaryReaderTests
{
    [Fact]
    public void BinaryEnumeratorReadTestsBigEndian()
    {
        // Given
        byte[] memory = { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
        BinaryEnumerator reader = new(memory, true);

        // When
        reader.ReadInt32(out int valA);
        reader.ReadInt32(out int valB);
        reader.ReadInt64(out long valC);

        // Then
        Assert.Equal(0x1, valA);
        Assert.Equal(0x1000000, valB);
        Assert.Equal(0x1, valC);
    }

    [Fact]
    public void BinaryEnumeratorReadTestsLittleEndian()
    {
        // Given
        byte[] memory = { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
        BinaryEnumerator reader = new(memory, false);

        // When
        reader.ReadInt32(out int valA);
        reader.ReadInt32(out int valB);
        reader.ReadInt64(out long valC);

        // Then
        Assert.Equal(0x1000000, valA);
        Assert.Equal(0x1, valB);
        Assert.Equal(0x100000000000000, valC);
    }
}