public void TestSecondaryTryGetValue([Values(true, false)] bool shouldContain)
{
//--Arrange
var key = _random.Next();
var value = Guid.NewGuid();
var underTest = new OneToOneDictionary <Guid, int>();
if (shouldContain)
{
underTest[key] = value;
}
//--Act
var contains = underTest.TryGetValue(key, out var actualValue);
//--Assert
Assert.AreEqual(shouldContain, contains);
if (shouldContain)
{
actualValue = underTest[key];
Assert.AreEqual(value, actualValue);
Assert.IsTrue(underTest.ContainsKey(value));
}
else
{
Assert.AreEqual(default(Guid), actualValue);
}
}
public void TestRetrievalDictionaryPrimary([Values(true, false)] bool useTryGetValue, [Values(true, false)] bool targetPrimary)
{
//--Arrange
var primary = RetrievalDictionary.Build((Guid id) => id.ToString());
var underTest = new OneToOneDictionary <Guid, string>(primary);
//--Act/Assert
foreach (var key in Enumerable.Range(0, 10).Select(x => Guid.NewGuid()))
{
if (targetPrimary)
{
Assert.IsFalse(underTest.ContainsKey(key));
Assert.IsFalse(underTest.ContainsKey(key.ToString()));
var value = underTest[key];
Assert.AreEqual(key.ToString(), value);
Assert.IsTrue(underTest.ContainsKey(key));
Assert.IsTrue(underTest.ContainsKey(key.ToString()));
}
else if (useTryGetValue)
{
var success = underTest.TryGetValue(key.ToString(), out var value);
Assert.IsFalse(success);
Assert.AreEqual(Guid.Empty, value);
}
else
{
Guid value;
Assert.Throws <KeyNotFoundException>(() => value = underTest[key.ToString()]);
}
}
}
public void TestRemove([Values(0, 1, 2)] int targetPath, [Values(true, false)] bool shouldContain)
{
//--Arrange
var key = Guid.NewGuid();
var value = _random.Next();
var underTest = new OneToOneDictionary <Guid, int>();
if (shouldContain)
{
underTest[key] = value;
Assert.IsTrue(underTest.ContainsKey(key));
}
else
{
Assert.IsFalse(underTest.ContainsKey(key));
}
//--Act
var removedValue = targetPath switch
{
0 => (underTest as ICollection <KeyValuePair <Guid, int> >).Remove(new KeyValuePair <Guid, int>(key, value)),
1 => underTest.Remove(key),
2 => underTest.Remove(value),
_ => throw new ArgumentException(nameof(targetPath))
};
//--Assert
Assert.AreEqual(shouldContain, removedValue);
Assert.IsFalse(underTest.ContainsKey(key));
}
public void TestClear([Values(10, 100)] int count)
{
//--Arrange
var underTest = new OneToOneDictionary <Guid, int>(Enumerable.Range(0, count).Select(x => new KeyValuePair <Guid, int>(Guid.NewGuid(), x)));
Assert.AreEqual(count, underTest.Count);
//--Act
underTest.Clear();
//--Assert
Assert.Zero(underTest.Count);
}
public void TestImplicitConversion()
{
//--Arrange
var source = Enumerable.Range(0, 1)
.Select(x => Guid.NewGuid())
.ToDictionary(x => x, x => x.ToString());
var underTest = new OneToOneDictionary <string, Guid>(source);
//--Act
OneToOneDictionary <Guid, string> reversed = underTest;
//--Assert
CollectionAssert.AreEquivalent(source, reversed.ToList());
}
public void TestCollectionAdd()
{
//--Arrange
var key = Guid.NewGuid();
var value = _random.Next();
var underTest = new OneToOneDictionary <Guid, int>();
Assert.IsFalse(underTest.ContainsKey(key));
//--Act
(underTest as ICollection <KeyValuePair <Guid, int> >).Add(new KeyValuePair <Guid, int>(key, value));
//--Assert
Assert.IsTrue(underTest.ContainsKey(key));
Assert.AreEqual(value, underTest[key]);
}
public void TestValues()
{
//--Arrange
var underTest = new OneToOneDictionary <int, string>
{
{ 12, "12" },
{ 23, "23" },
//{ "23", 23 },
{ "34", 34 }
};
//--Act
var values = (underTest as IDictionary <int, string>).Values;
//--Assert
CollectionAssert.AreEquivalent(new[] { "12", "23", "34" }, values);
}
public void TestKeys()
{
//--Arrange
var underTest = new OneToOneDictionary <int, string>
{
{ 12, "12" },
{ 23, "23" },
//{ "23", 23 },
{ "34", 34 }
};
//--Act
var keys = (underTest as IDictionary <int, string>).Keys;
//--Assert
CollectionAssert.AreEquivalent(new[] { 12, 23, 34 }, keys);
}
public void TestCount()
{
//--Arrange
var underTest = new OneToOneDictionary <int, string>(new Dictionary <int, string>
{
[12] = "12",
[23] = "23"
}, new Dictionary <string, int>
{
["23"] = 23,
["34"] = 34
});
//--Act
var count = underTest.Count;
//--Assert
Assert.AreEqual(3, count);
}
public void TestGetEnumerator([Values(0, 1, 2)] int targetPath, [Values(5, 50)] int count)
{
//--Arrange
var source = Enumerable.Range(0, count).ToDictionary(x => x, x => Guid.NewGuid());
var underTest = new OneToOneDictionary <Guid, int>(source);
//--Act
var enumerated = targetPath switch
{
0 => underTest.ToList(),
1 => (underTest as IEnumerable <KeyValuePair <Guid, int> >).ToList(),
2 => (underTest as IEnumerable).Cast <object>().Cast <KeyValuePair <Guid, int> >().ToList(), //--Force GetEnumerator() enumeration
_ => throw new ArgumentException(nameof(targetPath))
};
//--Assert
Assert.AreEqual(source.Count, enumerated.Count);
foreach (var kvp in enumerated)
{
Assert.AreEqual(source[kvp.Value], kvp.Key);
}
}
public void TestBackingDictionarySynchronization()
{
//--Arrange
var primary = new Dictionary <Guid, string>();
var secondary = RetrievalDictionary.Build((string id) => Guid.Parse(id));
var underTest = new OneToOneDictionary <Guid, string>(primary, secondary);
//--Act/Assert
var id = Guid.NewGuid();
Assert.IsFalse(primary.ContainsKey(id));
Assert.IsFalse(secondary.ContainsKey(id.ToString()));
primary[id] = id.ToString();
Assert.AreEqual(id.ToString(), underTest[id]);
Assert.IsTrue(primary.ContainsKey(id));
Assert.IsTrue(secondary.ContainsKey(id.ToString()));
id = Guid.NewGuid();
Assert.IsFalse(primary.ContainsKey(id));
Assert.IsFalse(secondary.ContainsKey(id.ToString()));
Assert.AreEqual(id, underTest[id.ToString()]);
Assert.IsTrue(primary.ContainsKey(id));
Assert.IsTrue(secondary.ContainsKey(id.ToString()));
id = Guid.NewGuid();
Assert.IsFalse(primary.ContainsKey(id));
Assert.IsFalse(secondary.ContainsKey(id.ToString()));
primary[id] = id.ToString();
Assert.IsTrue(underTest.TryGetValue(id, out var value));
Assert.AreEqual(id.ToString(), value);
Assert.IsTrue(primary.ContainsKey(id));
Assert.IsTrue(secondary.ContainsKey(id.ToString()));
}
public void TestCollectionContains([Values(true, false)] bool shouldContain)
{
//--Arrange
var key = Guid.NewGuid();
var value = _random.Next();
var underTest = new OneToOneDictionary <Guid, int>();
if (shouldContain)
{
underTest[key] = value;
Assert.IsTrue(underTest.ContainsKey(key));
}
else
{
Assert.IsFalse(underTest.ContainsKey(key));
}
//--Act
var containsValue = (underTest as ICollection <KeyValuePair <Guid, int> >).Contains(new KeyValuePair <Guid, int>(key, value));
//--Assert
Assert.AreEqual(shouldContain, containsValue);
}
public void TestIsReadOnly([Values(true, false)] bool primaryIsReadOnly, [Values(true, false)] bool secondaryIsReadOnly)
{
//--Arrange
IDictionary <int, string> primarySeed = new Dictionary <int, string>
{
[12] = "12",
[23] = "23"
};
IDictionary <string, int> secondarySeed = new Dictionary <string, int>
{
["12"] = 12,
["23"] = 23
};
var underTest = new OneToOneDictionary <int, string>(
primaryIsReadOnly ? new ReadOnlyDictionary <int, string>(primarySeed) : primarySeed,
secondaryIsReadOnly ? new ReadOnlyDictionary <string, int>(secondarySeed) : secondarySeed);
//--Act
var count = underTest.Count;
//--Assert
Assert.AreEqual(primaryIsReadOnly | secondaryIsReadOnly, underTest.IsReadOnly);
Assert.AreEqual(2, count);
}
public void TestSecondaryKeyAccessor([Values(true, false)] bool shouldContain)
{
//--Arrange
var key = _random.Next();
var value = Guid.NewGuid();
var underTest = new OneToOneDictionary <Guid, int>
{
[key] = value
};
//--Act/Assert
Guid actualValue;
if (shouldContain)
{
actualValue = underTest[key];
Assert.AreEqual(value, actualValue);
Assert.IsTrue(underTest.ContainsKey(value));
}
else
{
Assert.Throws <KeyNotFoundException>(() => actualValue = underTest[_random.Next()]);
}
}
public void TestAddRange([Values(10, 100)] int count, [Values(false, true)] bool targetPrimary)
{
//--Arrange
var toAdd = Enumerable.Range(0, count).Select(x => (Guid.NewGuid(), _random.Next())).ToList();
var underTest = new OneToOneDictionary <Guid, int>();
Assert.Zero(underTest.Count);
//--Act
if (targetPrimary)
{
underTest.AddRange(toAdd);
}
else
{
underTest.AddRange(toAdd.Select(x => (x.Item2, x.Item1)));
}
//--Assert
Assert.AreEqual(count, underTest.Count);
foreach (var(item1, item2) in toAdd)
{
if (targetPrimary)
{
Assert.IsTrue(underTest.ContainsKey(item1));
Assert.AreEqual(item2, underTest[item1]);
Assert.IsTrue(underTest.ContainsKey(item2));
}
else
{
Assert.IsTrue(underTest.ContainsKey(item2));
Assert.AreEqual(item1, underTest[item2]);
Assert.IsTrue(underTest.ContainsKey(item1));
}
}
}
