public static Expression RestoreSnapshot(KeyValuePair<string, List<Type>>[] SnapshotData)
{
if (SnapshotData.SequenceEqual(CurrentScope.OnDateType)) return null;
var Ret = Expression.Block(
SnapshotData.Except(CurrentScope.OnDateType)
.SelectMany(x => x.Value.Select(y => CurrentScope.GetVarCached(x.Key, y)))
);
SnapshotData = null;
return Ret;
}
public void FrequencyTest2() {
var input = new int[]
{
1, 2, 3, 4, 3, 2, 3, 3, 3, 3, 2, 2, 2, 3, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 3, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 3,
3, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2
};
Func<int, string> bucketSelector = X => X <= 2 ? "2 and under" : "Over 2";
var expected = new KeyValuePair<string, int>[]
{ new KeyValuePair<string, int>("2 and under", 36), new KeyValuePair<string, int>("Over 2", 13) };
var actual = input.Frequency(bucketSelector);
if(IsDebugEnabled)
log.Debug(@"expected=[{0}], actual=[{1}]", expected.CollectionToString(), actual.CollectionToString());
Assert.IsTrue(expected.SequenceEqual(actual));
}
public void FrequencyTest1() {
var input = new int[]
{
1, 2, 3, 4, 3, 2, 3, 3, 3, 3, 2, 2, 2, 3, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 3, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 3,
3, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2
};
var expected = new KeyValuePair<int, int>[]
{
new KeyValuePair<int, int>(1, 13),
new KeyValuePair<int, int>(2, 23),
new KeyValuePair<int, int>(3, 12),
new KeyValuePair<int, int>(4, 1)
};
var actual = input.Frequency();
if(IsDebugEnabled)
log.Debug(@"expected=[{0}], actual=[{1}]", expected.CollectionToString(), actual.CollectionToString());
Assert.IsTrue(expected.SequenceEqual(actual));
}
public void FrequencyTest3() {
var input = new int[]
{
1, 2, 3, 4, 3, 2, 3, 3, 3, 3, 2, 2, 2, 3, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 3, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 3,
3, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2
};
var buckets = new string[] { "a", "b", "c", "Z1", "Z2" };
Func<int, IEnumerable<string>, string> bucketSelector = BucketSelector;
var expected = new KeyValuePair<string, int>[]
{
new KeyValuePair<string, int>("a", 13),
new KeyValuePair<string, int>("b", 23),
new KeyValuePair<string, int>("c", 12),
new KeyValuePair<string, int>("Z1", 1),
new KeyValuePair<string, int>("Z2", 0)
};
var actual = MathTool.Frequency(input, buckets, bucketSelector);
if(IsDebugEnabled)
log.Debug(@"expected=[{0}], actual=[{1}]", expected.CollectionToString(), actual.CollectionToString());
Assert.IsTrue(expected.SequenceEqual(actual));
}
public void CopyTo()
{
IDictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("Key", "Value");
dict.Add("OtherKey", "OtherValue");
dict = dict.ToReadOnlyDictionary();
var values = new KeyValuePair<string, string>[3];
var expectedValues = new[]
{
KeyValuePair.Create("Key", "Value"),
KeyValuePair.Create("OtherKey", "OtherValue"),
default(KeyValuePair<string, string>)
};
dict.CopyTo(values, 0);
Assert.IsTrue(values.SequenceEqual(expectedValues));
dict.CopyTo(values, 1);
expectedValues[2] = expectedValues[1];
expectedValues[1] = expectedValues[0];
Assert.IsTrue(values.SequenceEqual(expectedValues));
}
