Fixing several tests

Using isinstance instead of comparing classes names
Removing unnecessary tuple check, treated by the return value unpacking
Adding missing inject code tests
Adding qfile.getchar test

Fixing QLocale.to* methods
fixing __setitem__ in qbytearray

tests/qtcore/qlocale_test.py

@@ -10,17 +10,31 @@ from PySide.QtCore import QLocale
 class QLocaleTestToNumber(unittest.TestCase):
     def testToNumberInt(self):
         obj = QLocale(QLocale.C)
-        self.assertEqual(37, obj.toInt('37')[0])
+        self.assertEqual((37, True), obj.toInt('37'))
 
     def testToNumberFloat(self):
         obj = QLocale(QLocale.C)
-        self.assertEqual(ctypes.c_float(37.109).value,
-                         obj.toFloat('37.109')[0])
+        self.assertEqual((ctypes.c_float(37.109).value, True),
+                         obj.toFloat('37.109'))
 
     def testToNumberDouble(self):
         obj = QLocale(QLocale.C)
-        self.assertEqual(ctypes.c_double(37.109).value,
-                         obj.toDouble('37.109')[0])
+        self.assertEqual((ctypes.c_double(37.109).value, True),
+                         obj.toDouble('37.109'))
+
+    def testToNumberShort(self):
+        obj = QLocale(QLocale.C)
+        self.assertEqual((ctypes.c_short(37).value, True),
+                         obj.toShort('37'))
+
+    def testToNumberULongLong(self):
+        obj = QLocale(QLocale.C)
+        self.assertEqual((ctypes.c_ulonglong(37).value, True),
+                         obj.toULongLong('37'))
+
+    def testToNumberULongLongNegative(self):
+        obj = QLocale(QLocale.C)
+        self.assert_(not obj.toULongLong('-37')[1])
 
 if __name__ == '__main__':
     unittest.main()