public void ResolvesISIN(string isin, int year, int month, int day, string expectedTicker, string expectedMarket)
        {
            var tradingDate = new DateTime(year, month, day);
            var expectedSid = expectedTicker == null
                ? null
                : _tickerToSecurityIdentifier[expectedTicker];

            AssertSymbol(_instance.ISIN(isin, tradingDate), expectedTicker, expectedSid, expectedMarket);
        }
        public void NoExistingSecurityDefinitions()
        {
            var date = DateTime.UtcNow;
            var definitionSymbolResolver = new SecurityDefinitionSymbolResolver(TestGlobals.DataProvider);

            Assert.IsNull(definitionSymbolResolver.ISIN("US46090E1038", date));
            Assert.IsNull(definitionSymbolResolver.CUSIP("03783310", date));
            Assert.IsNull(definitionSymbolResolver.CompositeFIGI("BBG000BSWKH7", date));
            Assert.IsNull(definitionSymbolResolver.SEDOL("bdqyp67", date));
        }