public void DoesNotMatchWhenIndexerIsNotExpectedToBeEqual()
{
var expectedErrorMessage = "Default indexer accepting arguments < 21.0d > was not found on NUnit.Framework.Constraints.IndexerConstraintTests+IndexerTester.";
var tester = new IndexerTester();
var ex = Assert.Throws <ArgumentException>(() => Assert.That(tester, Has.No.ItemAt(21d).EqualTo("Should Throw")));
Assert.That(ex.Message, Is.EqualTo(expectedErrorMessage));
}
public void DoesNotMatchMissingIndexerEquality()
{
var expectedErrorMessage = $" Expected string length 14 but was 13. Strings differ at index 0.{NL} Expected: \"Second indexer\"{NL} But was: \"Third indexer\"{NL} -----------^{NL}";
var tester = new IndexerTester();
var ex = Assert.Throws <AssertionException>(() => Assert.That(tester, Has.ItemAt(4, 2).EqualTo("Second indexer")));
Assert.That(ex.Message, Is.EqualTo(expectedErrorMessage));
}
public void DoesNotMatchWhenIndexerValueIsNotExpectedToBeEqual()
{
var expectedErrorMessage = $" Expected: not Default indexer accepting arguments < <string.Empty> > equal to \"Second indexer\"{NL} But was: \"Second indexer\"{NL}";
var tester = new IndexerTester();
var ex = Assert.Throws <AssertionException>(() => Assert.That(tester, Has.No.ItemAt(string.Empty).EqualTo("Second indexer")));
Assert.That(ex.Message, Is.EqualTo(expectedErrorMessage));
}
public void CanMatchIndexerEquality()
{
var tester = new IndexerTester();
Assert.That(tester, Has.ItemAt(42).EqualTo("Answer to the Ultimate Question of Life, the Universe, and Everything"));
Assert.That(tester, Has.ItemAt(41).EqualTo("Still calculating").And.ItemAt(42).EqualTo("Answer to the Ultimate Question of Life, the Universe, and Everything"));
Assert.That(tester, Has.ItemAt(string.Empty).EqualTo("Second indexer"));
Assert.That(tester, Has.ItemAt(1, 2).EqualTo("Third indexer"));
Assert.That(tester, Has.No.ItemAt(string.Empty).EqualTo("Third indexer"));
}