public void TestMode()
{
var input = new[] { 1.1, 1.1, 2, 3, 1, 2.5, 1.1, 459, 3.5, 1.1 };
var expected = 1.1;
Assert.AreEqual(expected, WaveMath.Mode(input));
input = new double[] { };
expected = 0d;
Assert.AreEqual(expected, WaveMath.Mode(input));
input = new[] { 1.1, 1.1, 2.2, 2.2 };
expected = 1.1;
Assert.AreEqual(expected, WaveMath.Mode(input));
input = new[] { 1.1, 1.1, 2.2, 2.2, 3.3, 3.3, 3.3 };
expected = 3.3;
Assert.AreEqual(expected, WaveMath.Mode(input));
input = new[] { 1.1, 1.1, 2.2, 2.2, 3.3, 3.3, 3.3, 1.1, 1.1, 2.2, 2.2, 1.1, 1.1, 2.2, 2.2, 3.3, 3.3, 3.3, 3.3, 3.3, 3.3, 1.1, 1.1, 2.2, 1.1, 1.1, 2.2, 2.2, 3.3, 3.3, 3.3, 2.2, 3.3, 3.3, 3.3, 1.1, 1.1, 2.2, 2.2, 3.3, 3.3, 3.3 };
expected = 3.3;
Assert.AreEqual(expected, WaveMath.Mode(input));
}