public void InsertPairsFindPairs(BidiDictConstructors tuple)
{
var(zf, _, _) = tuple;
var pairs = Enumerable.Range(1, 100).Zip(Enumerable.Range(100, 100).Reverse(), Tuple.Create).ToArray();
var bDict = zf();
Assert.IsFalse(bDict.IsReadOnly);
foreach (var(a, b) in pairs)
{
bDict[a] = b;
}
Assert.AreEqual(100, bDict.Count);
foreach (var(a, b) in pairs)
{
Assert.AreEqual(b, bDict[a]);
Assert.AreEqual(a, bDict.ReverseMap[b]);
Assert.AreEqual(b, bDict.ForwardMap[a]);
Assert.IsTrue(bDict.Contains(new KeyValuePair <int, int>(a, b)));
Assert.IsTrue(bDict.ContainsKey(a));
Assert.IsTrue(bDict.ForwardMap.ContainsKey(a));
Assert.IsTrue(bDict.ReverseMap.ContainsKey(b));
}
CollectionAssert.AreEquivalent(Enumerable.Range(1, 100), bDict.Keys);
CollectionAssert.AreEquivalent(Enumerable.Range(100, 100), bDict.Values);
}
public void ConstructorTests(BidiDictConstructors tuple)
{
var(_, df, ef) = tuple;
var d1 = new Dictionary <int, int> {
[0] = 100, [1] = 100
};
Assert.Throws <DuplicateKeyException>(() => df(d1));
Assert.Throws <DuplicateKeyException>(() => ef(d1.AsEnumerable()));
var d2 = new Dictionary <int, int> {
[0] = 100, [1] = 101
};
var b2 = df(d2);
Assert.AreEqual(100, b2.ForwardMap[0]);
Assert.AreEqual(101, b2.ForwardMap[1]);
Assert.AreEqual(0, b2.ReverseMap[100]);
Assert.AreEqual(1, b2.ReverseMap[101]);
Assert.IsTrue(b2.ForwardRemove(0));
Assert.IsTrue(b2.ReverseRemove(101));
Assert.AreEqual(0, b2.Count);
var _ = ef(d2.AsEnumerable());
}
public void CopyTo_SunnyPath(BidiDictConstructors tuple)
{
var(_, _, ef) = tuple;
var pairs = Enumerable.Range(1, 100).Zip(Enumerable.Range(100, 100).Reverse(), Tuple.Create).ToArray();
var bDict = ef(pairs.Select(t => new KeyValuePair <int, int>(t.Item1, t.Item2)));
var array = new KeyValuePair <int, int> [100];
bDict.CopyTo(array, 0);
CollectionAssert.AreEquivalent(bDict, array);
}
public void DifferentMethodsCovering(BidiDictConstructors tuple)
{
var(zf, _, _) = tuple;
var bDict = zf();
bDict.Add(new KeyValuePair <int, int>(1, 2));
bDict.Add(new KeyValuePair <int, int>(2, 3));
var bdEnum = ((IEnumerable)bDict).GetEnumerator();
while (bdEnum.MoveNext())
{
var kvPair = (KeyValuePair <int, int>)bdEnum.Current;
var fwd = kvPair.Key;
var rev = kvPair.Value;
Assert.IsTrue(fwd == 1 && rev == 2 || fwd == 2 && rev == 3);
}
var fwdEnum = ((IEnumerable)bDict.ForwardMap).GetEnumerator();
while (fwdEnum.MoveNext())
{
var kvPair = (KeyValuePair <int, int>)fwdEnum.Current;
var fwd = kvPair.Key;
var rev = kvPair.Value;
Assert.IsTrue(fwd == 1 && rev == 2 || fwd == 2 && rev == 3);
}
CollectionAssert.AreEquivalent(new [] { 1, 2 }, bDict.ForwardMap.Keys);
CollectionAssert.AreEquivalent(new [] { 2, 3 }, bDict.ForwardMap.Values);
CollectionAssert.AreEquivalent(new [] { 2, 3 }, bDict.ReverseMap.Keys);
CollectionAssert.AreEquivalent(new [] { 1, 2 }, bDict.ReverseMap.Values);
CollectionAssert.AreEquivalent(new[] { new KeyValuePair <int, int>(1, 2), new KeyValuePair <int, int>(2, 3) },
bDict.ForwardMap);
CollectionAssert.AreEquivalent(new[] { new KeyValuePair <int, int>(2, 1), new KeyValuePair <int, int>(3, 2) },
bDict.ReverseMap);
Assert.IsTrue(bDict.ForwardMap.TryGetValue(1, out var fwdValue));
Assert.AreEqual(2, fwdValue);
Assert.IsTrue(bDict.ReverseMap.TryGetValue(2, out var revValue));
Assert.AreEqual(1, revValue);
Assert.AreEqual(2, bDict.ForwardMap[1]);
Assert.AreEqual(1, bDict.ReverseMap[2]);
Assert.IsTrue(bDict.TryGetValue(1, out var value));
Assert.AreEqual(2, value);
Assert.IsFalse(bDict.TryGetValue(3, out _));
Assert.IsFalse(bDict.Remove(3));
Assert.IsTrue(bDict.Remove(2));
Assert.IsTrue(bDict.Remove(new KeyValuePair <int, int>(1, 2)));
Assert.AreEqual(0, bDict.Count);
}
public void ClearClearsAllMaps(BidiDictConstructors tuple)
{
var(zf, _, _) = tuple;
var pairs = Enumerable.Range(1, 100).Zip(Enumerable.Range(100, 100).Reverse(), Tuple.Create).ToArray();
var bDict = zf();
foreach (var(a, b) in pairs)
{
bDict[a] = b;
}
bDict.Clear();
Assert.AreEqual(0, bDict.Count);
Assert.AreEqual(0, bDict.ForwardMap.Count);
Assert.AreEqual(0, bDict.ReverseMap.Count);
}