public void Exists()
{
var bag1 = new Bag <double>(new[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 });
Assert.IsTrue(bag1.Exists(d => d > 100));
Assert.IsTrue(bag1.Exists(d => Math.Abs(d) == 0.04));
Assert.IsFalse(bag1.Exists(d => d < -10.0));
bag1.Clear();
Assert.IsFalse(bag1.Exists(d => Math.Abs(d) == 0.04));
}
public void CountWhere()
{
Bag <double> bag1 = new Bag <double>(new double[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 });
Assert.AreEqual(0, bag1.CountWhere(d => d > 200));
Assert.AreEqual(7, bag1.CountWhere(d => Math.Abs(d) < 10));
Assert.AreEqual(10, bag1.CountWhere(d => d > -10));
Assert.AreEqual(5, bag1.CountWhere(d => Math.Abs(d) > 5));
bag1.Clear();
Assert.AreEqual(0, bag1.CountWhere(d => Math.Abs(d) < 10));
}
public void TrueForAll()
{
Bag <double> bag1 = new Bag <double>(new double[] { 4.5, 187.4, 1.2, 7.6, -7.6, -0.04, 1.2, 1.78, 10.11, 187.4 });
Assert.IsFalse(bag1.TrueForAll(d => d > 100));
Assert.IsFalse(bag1.TrueForAll(d => Math.Abs(d) < 10));
Assert.IsTrue(bag1.TrueForAll(d => d > -10));
Assert.IsTrue(bag1.TrueForAll(d => Math.Abs(d) < 200));
bag1.Clear();
Assert.IsTrue(bag1.TrueForAll(d => Math.Abs(d) == 0.04));
}
public void FailFastEnumerator2()
{
var bag1 = new Bag <double>();
double d = 1.218034;
for (var i = 0; i < 50; ++i)
{
bag1.Add(d);
d = d * 1.3451 - .31;
}
// should throw once the bag is modified.
foreach (double k in bag1.Where(k => k > 3.0))
{
bag1.Clear();
}
}
public void AddMany()
{
string[] s_array = { "FOO", "x", "elmer", "fudd", "Clapton", null };
var bag1 = new Bag <string>(StringComparer.InvariantCultureIgnoreCase)
{
"foo", "Eric", "Clapton"
};
bag1.AddMany(s_array);
InterfaceTests.TestReadWriteCollectionGeneric(bag1,
new[]
{ null, "Clapton", "Clapton", "elmer", "Eric", "foo", "foo", "fudd", "x" },
false);
bag1.Clear();
bag1.Add("foo");
bag1.Add("Eric");
bag1.AddMany(bag1);
InterfaceTests.TestReadWriteCollectionGeneric(bag1, new[] { "Eric", "Eric", "foo", "foo" }, false);
}
public void CountAndClear()
{
var bag1 = new Bag <string>(StringComparer.InvariantCultureIgnoreCase);
Assert.AreEqual(0, bag1.Count);
bag1.Add("hello");
Assert.AreEqual(1, bag1.Count);
bag1.Add("foo");
Assert.AreEqual(2, bag1.Count);
bag1.Add("");
Assert.AreEqual(3, bag1.Count);
bag1.Add("HELLO");
Assert.AreEqual(4, bag1.Count);
bag1.Add("foo");
Assert.AreEqual(5, bag1.Count);
bag1.Remove("");
Assert.AreEqual(4, bag1.Count);
bag1.Add(null);
Assert.AreEqual(5, bag1.Count);
bag1.Add("Hello");
Assert.AreEqual(6, bag1.Count);
bag1.Add("Eric");
Assert.AreEqual(7, bag1.Count);
bag1.RemoveAllCopies("hElLo");
Assert.AreEqual(4, bag1.Count);
bag1.Add(null);
Assert.AreEqual(5, bag1.Count);
bag1.Clear();
Assert.AreEqual(0, bag1.Count);
var found = false;
foreach (var s in bag1)
{
found = true;
}
Assert.IsFalse(found);
}
public void Remove()
{
var bag1 = new Bag <string>(StringComparer.InvariantCultureIgnoreCase);
var b = bag1.Remove("Eric");
Assert.IsFalse(b);
bag1.Add("hello");
bag1.Add("foo");
bag1.Add(null);
bag1.Add(null);
bag1.Add("HELLO");
bag1.Add("Hello");
b = bag1.Remove("hello");
Assert.IsTrue(b);
InterfaceTests.TestCollection(bag1, new string[] { null, null, "foo", "hello", "hello" }, false);
b = bag1.Remove("Hello");
Assert.IsTrue(b);
b = bag1.Remove(null);
Assert.IsTrue(b);
b = bag1.Remove(null);
Assert.IsTrue(b);
b = bag1.Remove(null);
Assert.IsFalse(b);
bag1.Add("Hello");
bag1.Add("Eric");
bag1.Add(null);
b = bag1.Remove(null);
Assert.IsTrue(b);
bag1.Add("ERIC");
b = bag1.Remove("eRic");
Assert.IsTrue(b);
b = bag1.Remove("eRic");
Assert.IsTrue(b);
bag1.Clear();
b = bag1.Remove("");
Assert.IsFalse(b);
}
public void RemoveMany()
{
var bag1 = new Bag <string>(StringComparer.InvariantCultureIgnoreCase)
{
"foo", "Eric", "Clapton", null, "Foo", "fudd", "elmer"
};
string[] s_array = { "FOO", "jasmine", "eric", null };
int count = bag1.RemoveMany(s_array);
Assert.AreEqual(3, count);
InterfaceTests.TestReadWriteCollectionGeneric(bag1, new[] { "Clapton", "elmer", "foo", "fudd" }, false);
bag1.Clear();
bag1.Add("foo");
bag1.Add("Eric");
bag1.Add("Clapton");
bag1.Add(null);
bag1.Add("Foo");
count = bag1.RemoveMany(bag1);
Assert.AreEqual(5, count);
Assert.AreEqual(0, bag1.Count);
}
