public void WriteIntTest()
{
// ints are right-aligned to 9 spaces
Assert.Equal(" 1", DxfWriter.IntAsString(1));
Assert.Equal(" 10", DxfWriter.IntAsString(10));
Assert.Equal(" 100", DxfWriter.IntAsString(100));
Assert.Equal(" 1000", DxfWriter.IntAsString(1000));
Assert.Equal(" 10000", DxfWriter.IntAsString(10000));
Assert.Equal(" 100000", DxfWriter.IntAsString(100000));
Assert.Equal(" 1000000", DxfWriter.IntAsString(1000000));
Assert.Equal(" 10000000", DxfWriter.IntAsString(10000000));
Assert.Equal("100000000", DxfWriter.IntAsString(100000000));
Assert.Equal(" -1", DxfWriter.IntAsString(-1));
Assert.Equal(" -10", DxfWriter.IntAsString(-10));
Assert.Equal(" -100", DxfWriter.IntAsString(-100));
Assert.Equal(" -1000", DxfWriter.IntAsString(-1000));
Assert.Equal(" -10000", DxfWriter.IntAsString(-10000));
Assert.Equal(" -100000", DxfWriter.IntAsString(-100000));
Assert.Equal(" -1000000", DxfWriter.IntAsString(-1000000));
Assert.Equal("-10000000", DxfWriter.IntAsString(-10000000));
Assert.Equal("-100000000", DxfWriter.IntAsString(-100000000));
}