public void TestTrie2API()
{
// Trie2.createFromSerialized()
// This function is well exercised by TestRanges().
// Trie2.getVersion(InputStream is, boolean anyEndianOk)
//
try
{
Trie2Writable trie = new Trie2Writable(0, 0);
MemoryStream os = new MemoryStream();
trie.ToTrie2_16().Serialize(os);
MemoryStream @is = new MemoryStream(os.ToArray());
assertEquals(null, 2, Trie2.GetVersion(@is, true));
}
catch (IOException e)
{
Errln(where () + e.ToString());
}
// Equals & hashCode
//
{
Trie2Writable trieWA = new Trie2Writable(0, 0);
Trie2Writable trieWB = new Trie2Writable(0, 0);
Trie2 trieA = trieWA;
Trie2 trieB = trieWB;
assertTrue("", trieA.Equals(trieB));
assertEquals("", trieA, trieB);
assertEquals("", trieA.GetHashCode(), trieB.GetHashCode());
trieWA.Set(500, 2);
assertNotEquals("", trieA, trieB);
// Note that the hash codes do not strictly need to be different,
// but it's highly likely that something is wrong if they are the same.
assertNotEquals("", trieA.GetHashCode(), trieB.GetHashCode());
trieWB.Set(500, 2);
trieA = trieWA.ToTrie2_16();
assertEquals("", trieA, trieB);
assertEquals("", trieA.GetHashCode(), trieB.GetHashCode());
}
//
// Iterator creation
//
{
Trie2Writable trie = new Trie2Writable(17, 0);
IEnumerator <Trie2Range> it;
using (it = trie.GetEnumerator())
{
it.MoveNext();
Trie2Range r = it.Current;
assertEquals("", 0, r.StartCodePoint);
assertEquals("", 0x10ffff, r.EndCodePoint);
assertEquals("", 17, r.Value);
assertEquals("", false, r.IsLeadSurrogate);
it.MoveNext();
r = it.Current;
assertEquals("", 0xd800, r.StartCodePoint);
assertEquals("", 0xdbff, r.EndCodePoint);
assertEquals("", 17, r.Value);
assertEquals("", true, r.IsLeadSurrogate);
int i = 0;
foreach (Trie2Range rr in trie)
{
switch (i)
{
case 0:
assertEquals("", 0, rr.StartCodePoint);
assertEquals("", 0x10ffff, rr.EndCodePoint);
assertEquals("", 17, rr.Value);
assertEquals("", false, rr.IsLeadSurrogate);
break;
case 1:
assertEquals("", 0xd800, rr.StartCodePoint);
assertEquals("", 0xdbff, rr.EndCodePoint);
assertEquals("", 17, rr.Value);
assertEquals("", true, rr.IsLeadSurrogate);
break;
default:
Errln(where () + " Unexpected iteration result");
break;
}
i++;
}
}
}
// Iteration with a value mapping function
//
{
Trie2Writable trie = new Trie2Writable(0xbadfeed, 0);
trie.Set(0x10123, 42);
IValueMapper vm = new Trie2ValueMapper(map: (v) =>
{
if (v == 0xbadfeed)
{
v = 42;
}
return(v);
});
using (IEnumerator <Trie2Range> it2 = trie.GetEnumerator(vm))
{
it2.MoveNext();
Trie2Range r = it2.Current;
assertEquals("", 0, r.StartCodePoint);
assertEquals("", 0x10ffff, r.EndCodePoint);
assertEquals("", 42, r.Value);
assertEquals("", false, r.IsLeadSurrogate);
}
}
// Iteration over a leading surrogate range.
//
{
Trie2Writable trie = new Trie2Writable(0xdefa17, 0);
trie.Set(0x2f810, 10);
using (IEnumerator <Trie2Range> it = trie.GetEnumeratorForLeadSurrogate((char)0xd87e))
{
it.MoveNext();
Trie2Range r = it.Current;
assertEquals("", 0x2f800, r.StartCodePoint);
assertEquals("", 0x2f80f, r.EndCodePoint);
assertEquals("", 0xdefa17, r.Value);
assertEquals("", false, r.IsLeadSurrogate);
it.MoveNext();
r = it.Current;
assertEquals("", 0x2f810, r.StartCodePoint);
assertEquals("", 0x2f810, r.EndCodePoint);
assertEquals("", 10, r.Value);
assertEquals("", false, r.IsLeadSurrogate);
it.MoveNext();
r = it.Current;
assertEquals("", 0x2f811, r.StartCodePoint);
assertEquals("", 0x2fbff, r.EndCodePoint);
assertEquals("", 0xdefa17, r.Value);
assertEquals("", false, r.IsLeadSurrogate);
assertFalse("", it.MoveNext());
}
}
// Iteration over a leading surrogate range with a ValueMapper.
//
{
Trie2Writable trie = new Trie2Writable(0xdefa17, 0);
trie.Set(0x2f810, 10);
IValueMapper m = new Trie2ValueMapper(map: (@in) =>
{
if (@in == 10)
{
@in = 0xdefa17;
}
return(@in);
});
using (IEnumerator <Trie2Range> it = trie.GetEnumeratorForLeadSurrogate((char)0xd87e, m))
{
it.MoveNext();
Trie2Range r = it.Current;
assertEquals("", 0x2f800, r.StartCodePoint);
assertEquals("", 0x2fbff, r.EndCodePoint);
assertEquals("", 0xdefa17, r.Value);
assertEquals("", false, r.IsLeadSurrogate);
assertFalse("", it.MoveNext());
}
}
// Trie2.serialize()
// Test the implementation in Trie2, which is used with Read Only Tries.
//
{
Trie2Writable trie = new Trie2Writable(101, 0);
trie.SetRange(0xf000, 0x3c000, 200, true);
trie.Set(0xffee, 300);
Trie2_16 frozen16 = trie.ToTrie2_16();
Trie2_32 frozen32 = trie.ToTrie2_32();
assertEquals("", trie, frozen16);
assertEquals("", trie, frozen32);
assertEquals("", frozen16, frozen32);
MemoryStream os = new MemoryStream();
try
{
frozen16.Serialize(os);
Trie2 unserialized16 = Trie2.CreateFromSerialized(ByteBuffer.Wrap(os.ToArray()));
assertEquals("", trie, unserialized16);
assertEquals("", typeof(Trie2_16), unserialized16.GetType());
os.Seek(0, SeekOrigin.Begin);
frozen32.Serialize(os);
Trie2 unserialized32 = Trie2.CreateFromSerialized(ByteBuffer.Wrap(os.ToArray()));
assertEquals("", trie, unserialized32);
assertEquals("", typeof(Trie2_32), unserialized32.GetType());
}
catch (IOException e)
{
Errln(where () + " Unexpected exception: " + e);
}
}
}
public void TestTrie2WritableAPI()
{
//
// Trie2Writable methods. Check that all functions are present and
// nominally working. Not an in-depth test.
//
// Trie2Writable constructor
Trie2 t1 = new Trie2Writable(6, 666);
// Constructor from another Trie2
Trie2 t2 = new Trie2Writable(t1);
assertTrue("", t1.Equals(t2));
// Set / Get
Trie2Writable t1w = new Trie2Writable(10, 666);
t1w.Set(0x4567, 99);
assertEquals("", 10, t1w.Get(0x4566));
assertEquals("", 99, t1w.Get(0x4567));
assertEquals("", 666, t1w.Get(-1));
assertEquals("", 666, t1w.Get(0x110000));
// SetRange
t1w = new Trie2Writable(10, 666);
t1w.SetRange(13 /*start*/, 6666 /*end*/, 7788 /*value*/, false /*overwrite */);
t1w.SetRange(6000, 7000, 9900, true);
assertEquals("", 10, t1w.Get(12));
assertEquals("", 7788, t1w.Get(13));
assertEquals("", 7788, t1w.Get(5999));
assertEquals("", 9900, t1w.Get(6000));
assertEquals("", 9900, t1w.Get(7000));
assertEquals("", 10, t1w.Get(7001));
assertEquals("", 666, t1w.Get(0x110000));
// setRange from a Trie2.Range
// (Ranges are more commonly created by iterating over a Trie2,
// but create one by hand here)
Trie2Range r = new Trie2Range();
r.StartCodePoint = 50;
r.EndCodePoint = 52;
r.Value = 0x12345678;
r.IsLeadSurrogate = false;
t1w = new Trie2Writable(0, 0xbad);
t1w.SetRange(r, true);
assertEquals(null, 0, t1w.Get(49));
assertEquals("", 0x12345678, t1w.Get(50));
assertEquals("", 0x12345678, t1w.Get(52));
assertEquals("", 0, t1w.Get(53));
// setForLeadSurrogateCodeUnit / getFromU16SingleLead
t1w = new Trie2Writable(10, 0xbad);
assertEquals("", 10, t1w.GetFromU16SingleLead((char)0x0d801));
t1w.SetForLeadSurrogateCodeUnit((char)0xd801, 5000);
t1w.Set(0xd801, 6000);
assertEquals("", 5000, t1w.GetFromU16SingleLead((char)0x0d801));
assertEquals("", 6000, t1w.Get(0x0d801));
// get(). Is covered by nearly every other test.
// Trie2_16 getAsFrozen_16()
t1w = new Trie2Writable(10, 666);
t1w.Set(42, 5555);
t1w.Set(0x1ff00, 224);
Trie2_16 t1_16 = t1w.ToTrie2_16();
assertTrue("", t1w.Equals(t1_16));
// alter the writable Trie2 and then re-freeze.
t1w.Set(152, 129);
t1_16 = t1w.ToTrie2_16();
assertTrue("", t1w.Equals(t1_16));
assertEquals("", 129, t1w.Get(152));
// Trie2_32 getAsFrozen_32()
//
t1w = new Trie2Writable(10, 666);
t1w.Set(42, 5555);
t1w.Set(0x1ff00, 224);
Trie2_32 t1_32 = t1w.ToTrie2_32();
assertTrue("", t1w.Equals(t1_32));
// alter the writable Trie2 and then re-freeze.
t1w.Set(152, 129);
assertNotEquals("", t1_32, t1w);
t1_32 = t1w.ToTrie2_32();
assertTrue("", t1w.Equals(t1_32));
assertEquals("", 129, t1w.Get(152));
// serialize(OutputStream os, ValueWidth width)
//
MemoryStream os = new MemoryStream();
t1w = new Trie2Writable(0, 0xbad);
t1w.Set(0x41, 0x100);
t1w.Set(0xc2, 0x200);
t1w.Set(0x404, 0x300);
t1w.Set(0xd903, 0x500);
t1w.Set(0xdd29, 0x600);
t1w.Set(0x1055d3, 0x700);
t1w.SetForLeadSurrogateCodeUnit((char)0xda1a, 0x800);
try
{
// Serialize to 16 bits.
int serializedLen = t1w.ToTrie2_16().Serialize(os);
// Fragile test. Serialized length could change with changes to compaction.
// But it should not change unexpectedly.
assertEquals("", 3508, serializedLen);
Trie2 t1ws16 = Trie2.CreateFromSerialized(ByteBuffer.Wrap(os.ToArray()));
assertEquals("", t1ws16.GetType(), typeof(Trie2_16));
assertEquals("", t1w, t1ws16);
// Serialize to 32 bits
os.Seek(0, SeekOrigin.Begin);
serializedLen = t1w.ToTrie2_32().Serialize(os);
// Fragile test. Serialized length could change with changes to compaction.
// But it should not change unexpectedly.
assertEquals("", 4332, serializedLen);
Trie2 t1ws32 = Trie2.CreateFromSerialized(ByteBuffer.Wrap(os.ToArray()));
assertEquals("", t1ws32.GetType(), typeof(Trie2_32));
assertEquals("", t1w, t1ws32);
}
catch (IOException e)
{
Errln(where () + e.ToString());
}
}