Fix unpack for uint values 127 < x < 65536

tests/mixed/mixed_test.cpp

@@ -10,6 +10,7 @@ class MixedTest : public QObject
     Q_OBJECT
 
 private Q_SLOTS:
+    void test_uint();
     void test_float();
     void test_double();
     void test_map();
@@ -17,6 +18,19 @@ private Q_SLOTS:
     void test_mixed();
 };
 
+void MixedTest::test_uint()
+{
+    for (int i = 0; i <= 32; ++i) {
+        const quint32 u = (0x1UL<<i) - 1;
+        QByteArray packed = MsgPack::pack(u);
+        QVariant unpacked = MsgPack::unpack(packed);
+        QVERIFY2(unpacked.type() == QVariant::Type::UInt,
+                 qPrintable(QString("Unpack failed for value %1. Type is %2").arg(u).arg(unpacked.type())));
+        QVERIFY2(unpacked.toUInt() == u,
+                 qPrintable(QString("Unpack failed for value %1. Type is %2").arg(u).arg(unpacked.type())));
+    }
+}
+
 void MixedTest::test_float()
 {
     float f;