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[C#] Rework how sorted vectors are looked up (#7441)

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This commit is contained in:
Derek Bailey
2022-08-15 09:33:07 -07:00
committed by GitHub
parent 44a7dc9995
commit 214125e417
5 changed files with 104 additions and 68 deletions
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39
tests/FlatBuffers.Test/FlatBuffersExampleTests.cs
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@@ -156,8 +156,11 @@ namespace FlatBuffers.Test
// Example of searching for a table by the key
Assert.IsTrue(monster.TestarrayoftablesByKey("Frodo") != null);
Assert.AreEqual(monster.TestarrayoftablesByKey("Frodo").Value.Name, "Frodo");
Assert.IsTrue(monster.TestarrayoftablesByKey("Barney") != null);
Assert.AreEqual(monster.TestarrayoftablesByKey("Barney").Value.Name, "Barney");
Assert.IsTrue(monster.TestarrayoftablesByKey("Wilma") != null);
Assert.AreEqual(monster.TestarrayoftablesByKey("Wilma").Value.Name, "Wilma");
// testType is an existing field
Assert.AreEqual(monster.TestType, Any.Monster);
@@ -1152,5 +1155,41 @@ namespace FlatBuffers.Test
ScalarStuff scalarStuff = ScalarStuff.GetRootAsScalarStuff(fbb.DataBuffer);
Assert.AreEqual(null, scalarStuff.MaybeEnum);
}
[FlatBuffersTestMethod]
public void SortKey_WithDefaultedValue_IsFindable() {
// This checks if using the `key` attribute that includes the
// default value (e.g., 0) is still searchable. This is a regression
// test for https://github.com/google/flatbuffers/issues/7380.
var fbb = new FlatBufferBuilder(1);
// Create a vector of Stat objects, with Count being the key.
var stat_offsets = new Offset<Stat>[4];
for(ushort i = 0; i < stat_offsets.Length; i++) {
Stat.StartStat(fbb);
Stat.AddCount(fbb, i);
stat_offsets[stat_offsets.Length - 1 - i] = Stat.EndStat(fbb);
}
// Ensure the sort works.
var sort = Stat.CreateSortedVectorOfStat(fbb, stat_offsets);
// Create the monster with the sorted vector of Stat objects.
var str = fbb.CreateString("MyMonster");
Monster.StartMonster(fbb);
Monster.AddName(fbb, str);
Monster.AddScalarKeySortedTables(fbb, sort);
fbb.Finish(Monster.EndMonster(fbb).Value);
// Get the monster.
var monster = Monster.GetRootAsMonster(fbb.DataBuffer);
// Ensure each key is findable.
for(ushort i =0 ; i < stat_offsets.Length; i++) {
Assert.IsTrue(monster.ScalarKeySortedTablesByKey(i) != null);
Assert.AreEqual(monster.ScalarKeySortedTablesByKey(i).Value.Count, i);
}
}
}
}