Exemple #1
0
        public void Generate_By_Index_Returns_Sequence_Of_Values_Based_On_Index()
        {
            var sequence = XEnumerable.Generate(index => index * 2);
            var expected = new[] { 0, 2, 4, 6, 8 };
            var actual   = sequence.Take(5);

            actual.Should().Equal(expected);
        }
Exemple #2
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        public void Generate_By_Index_Throws_If_Generator_Is_Null()
        {
            // ReSharper disable once ReturnValueOfPureMethodIsNotUsed
            // ReSharper disable once AssignNullToNotNullAttribute
            var ex = Assert.Throws <ArgumentNullException>(() => XEnumerable.Generate <int>(null));

            ex.ParamName.Should().Be("generator");
        }
Exemple #3
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        public void Generate_Returns_Sequence_Of_Values_Based_On_Previous_Value()
        {
            var sequence = XEnumerable.Generate(0, previous => previous + 2);
            var expected = new[] { 0, 2, 4, 6, 8 };
            var actual   = sequence.Take(5);

            actual.Should().Equal(expected);
        }
 public void Generate_Throws_If_Argument_Is_Null()
 {
     // ReSharper disable once ReturnValueOfPureMethodIsNotUsed
     TestHelper.AssertThrowsWhenArgumentNull(() => XEnumerable.Generate(0, i => i));
 }