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[FlexBuffers][Java] Fix wrong access to a string using Reference::asString(). (#5532)

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The real position of a string is  calculated by using the indirect() method,
which should be based on parentWidth and not byteWidth, as it was implemented.

We are also fixing the flag BUILDER_FLAG_SHARE_STRINGS on FlexBuffersBuilder
that was set as '1', same value as BUILDER_FLAG_SHARE_KEYS.
This commit is contained in:
Paulo Pinheiro
2019-09-25 20:59:10 +02:00
committed by Wouter van Oortmerssen
parent cbdf82e2fb
commit 0798b7b698
3 changed files with 43 additions and 3 deletions
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42
tests/JavaTest.java
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@@ -20,6 +20,8 @@ import java.io.*;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.FileChannel;
import java.util.Map;
import java.util.HashMap;
import MyGame.Example.*;
import NamespaceA.*;
import NamespaceA.NamespaceB.*;
@@ -884,6 +886,43 @@ class JavaTest {
FlexBuffers.getRoot(b.getBuffer()).toString());
}
public static void testHashMapToMap() {
int entriesCount = 12;
HashMap<String, String> source = new HashMap<>();
for (int i = 0; i < entriesCount; i++) {
source.put("foo_param_" + i, "foo_value_" + i);
}
FlexBuffersBuilder builder = new FlexBuffersBuilder(1000);
int mapStart = builder.startMap();
for (Map.Entry<String, String> entry : source.entrySet()) {
builder.putString(entry.getKey(), entry.getValue());
}
builder.endMap(null, mapStart);
ByteBuffer bb = builder.finish();
bb.rewind();
FlexBuffers.Reference rootReference = FlexBuffers.getRoot(bb);
TestEq(rootReference.isMap(), true);
FlexBuffers.Map flexMap = rootReference.asMap();
FlexBuffers.KeyVector keys = flexMap.keys();
FlexBuffers.Vector values = flexMap.values();
TestEq(entriesCount, keys.size());
TestEq(entriesCount, values.size());
HashMap<String, String> result = new HashMap<>();
for (int i = 0; i < keys.size(); i++) {
result.put(keys.get(i).toString(), values.get(i).asString());
}
TestEq(source, result);
}
public static void TestFlexBuffers() {
testSingleElementByte();
testSingleElementShort();
@@ -899,7 +938,8 @@ class JavaTest {
testSingleElementUInt();
testSingleElementUByte();
testSingleElementMap();
testFlexBuffersTest();
testFlexBuffersTest();
testHashMapToMap();
}
static <T> void TestEq(T a, T b) {