public void TestExtract()
{
int expected = 7;
int actual = VersionUtil.ExtractVersionNumber("7.2.0", 0);
Assert.AreEqual(expected, actual);
expected = 2;
actual = VersionUtil.ExtractVersionNumber("7.2.0", 1);
Assert.AreEqual(expected, actual);
expected = 0;
actual = VersionUtil.ExtractVersionNumber("7.2.0", 2);
Assert.AreEqual(expected, actual);
}