Merge branch '2.12' into 2.13

Author: cowtowncoder

cbor/src/main/java/com/fasterxml/jackson/dataformat/cbor/CBORGenerator.java

@@ -746,10 +746,13 @@ private final void _writeIntFull(int markerBase, int i) throws IOException
 
     // Helper method that works like `writeNumber(long)` but DOES NOT
     // check internal output state. It does, however, check need for minimization
-    private final void _writeLongNoCheck(long l) throws IOException {
+    private final void _writeLongNoCheck(long l) throws IOException
+    {
         if (_cfgMinimalInts) {
             if (l >= 0) {
-                if (l <= 0x100000000L) {
+                // 31-Mar-2021, tatu: [dataformats-cbor#269] Incorrect boundary check,
+                //     was off by one, resulting in truncation to 0
+                if (l < 0x100000000L) {
                     _writeIntMinimal(PREFIX_TYPE_INT_POS, (int) l);
                     return;
                 }
@@ -1018,7 +1021,9 @@ public void writeNumber(long l) throws IOException {
         _verifyValueWrite("write number");
         if (_cfgMinimalInts) { // maybe 32 bits is enough?
             if (l >= 0) {
-                if (l <= 0x100000000L) {
+                // 31-Mar-2021, tatu: [dataformats-cbor#269] Incorrect boundary check,
+                //     was off by one, resulting in truncation to 0
+                if (l < 0x100000000L) {
                     _writeIntMinimal(PREFIX_TYPE_INT_POS, (int) l);
                     return;
                 }

cbor/src/main/java/com/fasterxml/jackson/dataformat/cbor/CBORParser.java

@@ -831,6 +831,19 @@ protected String _numberToName(int ch, boolean neg) throws IOException
                 break;
             case 26:
                 i = _decode32Bits();
+                // [dataformats-binary#269] (and earlier [dataformats-binary#30]),
+                // got some edge case to consider
+                if (i < 0) {
+                    long l;
+                    if (neg) {
+                        long unsignedBase = (long) i & 0xFFFFFFFFL;
+                        l = -unsignedBase - 1L;
+                    } else {
+                        l = (long) i;
+                        l = l & 0xFFFFFFFFL;
+                    }
+                    return String.valueOf(l);
+                }
                 break;
             case 27:
                 {

cbor/src/test/java/com/fasterxml/jackson/dataformat/cbor/mapper/NumberBeanTest.java

@@ -5,8 +5,10 @@
 import java.math.BigInteger;
 
 import com.fasterxml.jackson.annotation.JsonUnwrapped;
+
 import com.fasterxml.jackson.core.JsonToken;
 import com.fasterxml.jackson.core.JsonParser.NumberType;
+
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.dataformat.cbor.CBORFactory;
 import com.fasterxml.jackson.dataformat.cbor.CBORGenerator;
@@ -73,15 +75,28 @@ public void testLongRoundTrip() throws Exception
                 100L, -200L,
                 5000L, -3600L,
                 Integer.MIN_VALUE, Integer.MAX_VALUE,
-                1L + Integer.MAX_VALUE, -1L + Integer.MIN_VALUE,
-                2330462449L, // from [dataformats-binary#30]
-                Long.MIN_VALUE, Long.MAX_VALUE
-                }) {
-            LongBean input = new LongBean(v);
-            byte[] b = MAPPER.writeValueAsBytes(input);
-            LongBean result = MAPPER.readValue(b, LongBean.class);
-            assertEquals(input.value, result.value);
+                1L + Integer.MAX_VALUE, -1L + Integer.MIN_VALUE
+        }) {
+            _testLongRoundTrip(v);
         }
+
+        _testLongRoundTrip(2330462449L); // from [dataformats-binary#30]
+        _testLongRoundTrip(0xFFFFFFFFL); // max positive uint32
+        _testLongRoundTrip(-0xFFFFFFFFL);
+        _testLongRoundTrip(0x100000000L);
+        _testLongRoundTrip(-0x100000000L);
+        _testLongRoundTrip(0x100000001L);
+        _testLongRoundTrip(-0x100000001L);
+        _testLongRoundTrip(Long.MIN_VALUE);
+        _testLongRoundTrip(Long.MAX_VALUE);
+    }
+
+    private void _testLongRoundTrip(long v) throws Exception
+    {
+        LongBean input = new LongBean(v);
+        byte[] b = MAPPER.writeValueAsBytes(input);
+        LongBean result = MAPPER.readValue(b, LongBean.class);
+        assertEquals(input.value, result.value);
     }
 
     // for [dataformats-binary#32] coercion of Float into Double
@@ -218,7 +233,7 @@ public void testNumberTypeRetainingBuffering() throws Exception
             assertToken(JsonToken.END_ARRAY, p.nextToken());
         }
     }
-    
+
     // [databind#2784]
     public void testBigDecimalWithBuffering() throws Exception
     {

cbor/src/test/java/com/fasterxml/jackson/dataformat/cbor/mapper/NumberMap269Test.java

@@ -0,0 +1,63 @@
+package com.fasterxml.jackson.dataformat.cbor.mapper;
+
+import java.util.*;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.cbor.CBORTestBase;
+
+// [dataformats-binary#269]
+public class NumberMap269Test extends CBORTestBase
+{
+    static class TestData269 {
+        Map<Long, String> map;
+
+        public TestData269 setMap(Map<Long, String> map) {
+            this.map = map;
+            return this;
+        }
+
+        public Map<Long, String> getMap() {
+            return map;
+        }
+    }
+
+    /*
+    /**********************************************************
+    /* Test methods
+    /**********************************************************
+     */
+
+    private final ObjectMapper MAPPER = cborMapper();
+
+    // [dataformats-binary#269]
+    public void testInt32BoundaryWithMapKey() throws Exception
+    {
+        // First, with specific reported combo:
+        _testInt32BoundaryWithMapKey(4294967296L, -4294967296L);
+
+        // and then systematically couple of others (actually overlapping but...)
+        final long MAX_POS_UINT32 = 0xFFFFFFFFL;
+        final long MAX_POS_UINT32_PLUS_1 = MAX_POS_UINT32 + 1L;
+
+        _testInt32BoundaryWithMapKey(MAX_POS_UINT32, -MAX_POS_UINT32);
+        _testInt32BoundaryWithMapKey(MAX_POS_UINT32_PLUS_1,
+                -MAX_POS_UINT32_PLUS_1);
+
+        _testInt32BoundaryWithMapKey(MAX_POS_UINT32_PLUS_1 + 1L,
+                -MAX_POS_UINT32_PLUS_1 - 1L);
+    }
+
+    private void _testInt32BoundaryWithMapKey(long key1, long key2) throws Exception
+    {
+        Map<Long, String> map = new LinkedHashMap<>();
+        map.put(key1, "hello");
+        map.put(key2, "world");
+        TestData269 input = new TestData269().setMap(map);
+
+        byte[] cborDoc = MAPPER.writeValueAsBytes(input);
+
+        TestData269 result = MAPPER.readValue(cborDoc, TestData269.class);
+
+        assertEquals(input.map, result.map);
+    }
+}

release-notes/CREDITS-2.x

@@ -141,6 +141,10 @@ Jonas Konrad (yawkat@github)
   most compact form for all integers
  (2.11.0)
 
+Dylan (Quantum64@github)
+* Reported #269: CBOR loses `Map` entries with specific `long` Map key values (32-bit boundary)
+ (2.11.5 / 2.12.3)
+
 Michael Liedtke (mcliedtke@github)
 
 * Contributed fix for #212: (ion) Optimize `IonParser.getNumberType()` using

release-notes/VERSION-2.x

@@ -40,6 +40,8 @@ Modules:
  (reported by Fabian M)
 #268: (smile) Handle sequence of Smile header markers without recursion
  (reported by Fabian M)
+#269: CBOR loses `Map` entries with specific `long` Map key values (32-bit boundary)
+ (reported by Quantum64@github)
 
 2.12.2 (03-Mar-2021)