C# (CSharp) ThrowsOnCurrent示例

示例#1

文件： SelectTests.cs 项目： rogeryu23/corefx

        public void Select_ExceptionThrownFromCurrentOfSourceIterator_ExceptionPropagatedToTheCaller()
        {
            IEnumerable <int> source   = new ThrowsOnCurrent();
            Func <int, int>   selector = i => i + 1;

            var result     = source.Select(selector);
            var enumerator = result.GetEnumerator();

            Assert.Throws <InvalidOperationException>(() => enumerator.MoveNext());
        }

示例#2

文件： SelectTests.cs 项目： rogeryu23/corefx

        public void Select_ExceptionThrownFromCurrentOfSourceIterator_IteratorCanBeUsedAfterExceptionIsCaught()
        {
            IEnumerable <int> source   = new ThrowsOnCurrent();
            Func <int, int>   selector = i => i + 1;

            var result     = source.Select(selector);
            var enumerator = result.GetEnumerator();

            Assert.Throws <InvalidOperationException>(() => enumerator.MoveNext());
            enumerator.MoveNext();
            Assert.Equal(3 /* 2 + 1 */, enumerator.Current);
        }

示例#3

文件： SelectTests.cs 项目： dotnet/corefx

        public void Select_ExceptionThrownFromCurrentOfSourceIterator_IteratorCanBeUsedAfterExceptionIsCaught()
        {
            IEnumerable<int> source = new ThrowsOnCurrent();
            Func<int, int> selector = i => i + 1;

            var result = source.Select(selector);
            var enumerator = result.GetEnumerator();

            Assert.Throws<InvalidOperationException>(() => enumerator.MoveNext());
            enumerator.MoveNext();
            Assert.Equal(3 /* 2 + 1 */, enumerator.Current);
        }

示例#4

文件： SelectTests.cs 项目： dotnet/corefx

        public void Select_ExceptionThrownFromCurrentOfSourceIterator_ExceptionPropagatedToTheCaller()
        {
            IEnumerable<int> source = new ThrowsOnCurrent();
            Func<int, int> selector = i => i + 1;

            var result = source.Select(selector);
            var enumerator = result.GetEnumerator();

            Assert.Throws<InvalidOperationException>(() => enumerator.MoveNext());
        }