Fixed gcc-4.7 warnings

2 files changed, 3 insertions, 3 deletions

diff --git a/test/DefaultExtensionMessageFactoryTest.cc b/test/DefaultExtensionMessageFactoryTest.cc
index cad5037b..81de2036 100644
--- a/test/DefaultExtensionMessageFactoryTest.cc
+++ b/test/DefaultExtensionMessageFactoryTest.cc
@@ -78,7 +78,7 @@ public:
 
   std::string getExtensionMessageID(const std::string& name)
   {
-    char id[1] = { registry_->getExtensionMessageID(name) };
+    unsigned char id[1] = { registry_->getExtensionMessageID(name) };
     return std::string(&id[0], &id[1]);
   }
 
@@ -105,7 +105,7 @@ void DefaultExtensionMessageFactoryTest::testCreateMessage_unknown()
 {
   peer_->setExtension("foo", 255);
 
-  char id[1] = { 255 };
+  unsigned char id[1] = { 255 };
 
   std::string data = std::string(&id[0], &id[1]);
   try {
diff --git a/test/JsonTest.cc b/test/JsonTest.cc
index 7810724d..79e4a5d8 100644
--- a/test/JsonTest.cc
+++ b/test/JsonTest.cc
@@ -100,7 +100,7 @@ void JsonTest::testDecode()
     const List* list = downcast<List>(r);
     CPPUNIT_ASSERT(list);
     const String* s = downcast<String>(list->get(0));
-    const char arr[] = { 0xF0u, 0xA4u, 0xADu, 0xA2u };
+    const unsigned char arr[] = { 0xF0u, 0xA4u, 0xADu, 0xA2u };
     CPPUNIT_ASSERT_EQUAL(std::string(vbegin(arr), vend(arr)), s->s());
   }
   {