예제 #1
0
        public void ArrayPeekEnumerator_ShouldWorkForTwoElements()
        {
            var data       = new int[] { 1, 2 };
            var enumerator = new ArrayPeekEnumerator <int>(data);

            Assert.IsTrue(enumerator.TryPeek(out var first));
            Assert.AreEqual(1, first);

            Assert.IsTrue(enumerator.TryPeek2(out first, out var second));
            Assert.AreEqual(1, first);
            Assert.AreEqual(2, second);

            Assert.IsTrue(enumerator.MoveNext());
            Assert.AreEqual(1, enumerator.Current);

            Assert.IsTrue(enumerator.TryPeek(out second));
            Assert.IsFalse(enumerator.TryPeek2(out _, out _));
            Assert.AreEqual(2, second);

            Assert.IsTrue(enumerator.MoveNext());
            Assert.AreEqual(2, enumerator.Current);

            Assert.IsFalse(enumerator.TryPeek(out _));
            Assert.IsFalse(enumerator.MoveNext());
        }
예제 #2
0
        public void ArrayPeekEnumerator_ShouldWorkForEmptyEnumerator()
        {
            var data       = new int[0];
            var enumerator = new ArrayPeekEnumerator <int>(data);

            Assert.IsFalse(enumerator.TryPeek(out _));
            Assert.IsFalse(enumerator.TryPeek2(out _, out _));
            Assert.IsFalse(enumerator.MoveNext());
            Assert.IsFalse(enumerator.TryPeek(out _));
            Assert.IsFalse(enumerator.TryPeek2(out _, out _));
        }