public void GreaterThanEqual()
{
int minValue = 1;
int value = 2;
Assert.ThrowsExact <ArgumentNullException>(() => Assert.GreaterThanEqual <string>(null, "z"));
Assert.ThrowsExact <ArgumentNullException>(() => Assert.GreaterThanEqual <string>("a", null));
Assert.DoesNotThrow(() => Assert.GreaterThanEqual(value, minValue));
Assert.DoesNotThrow(() => Assert.GreaterThanEqual(minValue, minValue));
Assert.ThrowsExact <AssertionException>(() => Assert.GreaterThanEqual(minValue - 5, minValue));
Assert.DoesNotThrow(() => Assert.GreaterThanEqual(minValue + 5, minValue));
}