public void MemberIndex_Basic()
{
StringStore strings = new StringStore();
MemberIndex index = new MemberIndex();
// Add six sample strings to StringStore
string[] testValues = new string[] { "Zero", "One", "Two", "Three", "Four", "Five" };
int[] testValueIDs = new int[testValues.Length];
for (int i = 0; i < testValues.Length; ++i)
{
testValueIDs[i] = strings.FindOrAddString(testValues[i]);
}
// Add 100 items to index - each item has the values it is evenly divisible by (10 has "Five" and "Two")
for (int indexId = 1; indexId < 20; ++indexId)
{
for (int wordIndex = 1; wordIndex < testValueIDs.Length; ++wordIndex)
{
if (indexId % wordIndex == 0)
{
index.AddItem(testValueIDs[wordIndex], indexId);
}
}
}
// Convert for search
strings.ConvertToImmutable();
index.ConvertToImmutable(strings);
// Verify matches for three are correct
Assert.AreEqual("3, 6, 9, 12, 15, 18", MatchesForWordToString(index, strings, strings[testValueIDs[3]]));
Assert.AreEqual("3, 6, 9, 12, 15, 18", MatchesForPrefixToString(index, strings, String8.Convert("Three", new byte[String8.GetLength("Three")])));
// Verify matches for five are correct
Assert.AreEqual("5, 10, 15", MatchesForWordToString(index, strings, strings[testValueIDs[5]]));
Assert.AreEqual("5, 10, 15", MatchesForPrefixToString(index, strings, String8.Convert("Five", new byte[String8.GetLength("Five")])));
// Verify no matches for zero
Assert.AreEqual("", MatchesForWordToString(index, strings, strings[testValueIDs[0]]));
Assert.AreEqual("", MatchesForPrefixToString(index, strings, String8.Convert("Zero", new byte[String8.GetLength("Zero")])));
// Verify "Four" and "Five" matches for "F"
Assert.AreEqual("5, 10, 15, 4, 8, 12, 16", MatchesForPrefixToString(index, strings, String8.Convert("F", new byte[String8.GetLength("F")])));
}
public void MemberIndex_CaseSensitivity()
{
StringStore strings = new StringStore();
MemberIndex index = new MemberIndex();
byte[] buffer = new byte[20];
// Add strings to store (some differ only by casing), ten values
string[] testValues = new string[] { "null", "bool", "Bool", "array", "ARRAY", "Collections", "Dictionary", "int", "Int", "friend" };
int[] testValueIDs = new int[testValues.Length];
for (int i = 0; i < testValues.Length; ++i)
{
testValueIDs[i] = strings.FindOrAddString(testValues[i]);
}
// Add 3 items per string to index [0, 10, 20 => "null", 1, 11, 21 => "bool", 2, 12, 22 => "Bool", ...]
int indexId = 0;
for (int countToIndex = 0; countToIndex < 3; ++countToIndex)
{
for (int wordIndex = 0; wordIndex < testValueIDs.Length; ++wordIndex)
{
index.AddItem(testValueIDs[wordIndex], indexId++);
}
}
// Convert index for search. Pages should be merged into case-insensitive groups in insertion (ID) order
strings.ConvertToImmutable();
index.ConvertToImmutable(strings);
// Verify "BOOL" gets matches for "bool" and "Bool" in insertion order
Assert.AreEqual("1, 2, 11, 12, 21, 22", MatchesForWordToString(index, strings, String8.Convert("BOOL", buffer)));
// Verify "array" gets matches for "array" and "ARRAY" in insertion order
Assert.AreEqual("3, 4, 13, 14, 23, 24", MatchesForWordToString(index, strings, String8.Convert("array", buffer)));
// Verify "Dictionary" matches unmerged
Assert.AreEqual("6, 16, 26", MatchesForWordToString(index, strings, String8.Convert("Dictionary", buffer)));
}
public void StringStore_CaseSensitivity()
{
// Sample Strings: Not all in order, including casing differences, including duplicates
StringStore store = new StringStore();
string[] strings = { "bool", "bool", "boolean", "Boolean", "BOOLEAN", "array", "Array", "aRRay", "ARRAY", "Array", "Collections", "ARR", "BIT" };
int[] addedIDs = new int[strings.Length];
// Add each value
for (int i = 0; i < strings.Length; ++i)
{
addedIDs[i] = store.FindOrAddString(strings[i]);
}
// Verify each value comes back cased correctly (case sensitive add)
for (int i = 0; i < strings.Length; ++i)
{
Assert.AreEqual(strings[i], store[addedIDs[i]].ToString());
}
// Convert to Immutable
store.ConvertToImmutable();
// Remap IDs
for (int i = 0; i < strings.Length; ++i)
{
addedIDs[i] = store.GetSerializationIdentifier(addedIDs[i]);
}
// Verify each value comes back cased correctly (case sensitive values preserved on convert)
for (int i = 0; i < strings.Length; ++i)
{
Assert.AreEqual(strings[i], store[addedIDs[i]].ToString());
}
// Verify values have ascending IDs and are in case insensitive *stable* order
string last = store[0].ToString();
for (int i = 1; i < store.Count; ++i)
{
string current = store[i].ToString();
// Verify all strings are in case insensitive order
int cmp = string.Compare(last, current, StringComparison.OrdinalIgnoreCase);
Assert.IsTrue(cmp <= 0);
// Verify case-insensitive ties are in case sensitive order relative to each other
if (cmp == 0)
{
Assert.IsTrue(string.Compare(last, current, StringComparison.Ordinal) < 0);
}
last = current;
}
// Verify searches return the range of capitalizations for the value
byte[] buffer = new byte[20];
for (int i = 0; i < strings.Length; ++i)
{
String8 value8 = String8.Convert(strings[i], buffer);
// Verify the string is found
Range range;
Assert.IsTrue(store.TryFindString(value8, out range));
// Verify the ID for the exact casing is reported within the range
Assert.IsTrue(range.Contains(addedIDs[i]));
// Verify every value in the range matches the value (case-insensitive)
for (int j = range.Start; j <= range.End; ++j)
{
String8 otherMatch = store[j];
Assert.AreEqual(0, value8.CompareTo(otherMatch, true), String.Format("'{0}' in match range wasn't reported equal to '{1}' being matched", otherMatch, value8));
}
// Verify the values just before and after the range don't match
if (range.Start > 0)
{
String8 valueBefore = store[range.Start - 1];
Assert.IsTrue(value8.CompareTo(valueBefore, true) > 0, String.Format("'{0}' before match range wasn't reported before '{1}' being matched", valueBefore, value8));
}
if (range.End < store.Count - 1)
{
String8 valueAfter = store[range.End + 1];
Assert.IsTrue(value8.CompareTo(valueAfter, true) < 0, String.Format("'{0}' after match range wasn't reported after '{1}' being matched", valueAfter, value8));
}
// Ask for the case-sensitive range
Range caseSensitive;
Assert.IsTrue(store.TryFindString(value8, false, out caseSensitive));
// Verify every value in the range matches the value (case-sensitive)
for (int j = caseSensitive.Start; j <= caseSensitive.End; ++j)
{
String8 otherMatch = store[j];
Assert.AreEqual(0, value8.CompareTo(otherMatch, false), String.Format("'{0}' in case sensitive range wasn't reported equal to '{1}' being matched", otherMatch, value8));
}
// Verify the values just before and after the range don't match
if (caseSensitive.Start > 0)
{
String8 valueBefore = store[caseSensitive.Start - 1];
Assert.IsTrue(value8.CompareTo(valueBefore, false) != 0, String.Format("'{0}' before case sensitive range still matches '{1}'", valueBefore, value8));
}
if (caseSensitive.End < store.Count - 1)
{
String8 valueAfter = store[caseSensitive.End + 1];
Assert.IsTrue(value8.CompareTo(valueAfter, false) != 0, String.Format("'{0}' after case sensitive range still matches '{1}'", valueAfter, value8));
}
}
// Verify MakeCaseSensitive goes to empty if the provided casing isn't any of the values
String8 BOOLean = String8.Convert("BOOLean", buffer);
Range booleanRange;
Assert.IsFalse(store.TryFindString(BOOLean, false, out booleanRange));
}