def testCFAllocator(self):
self.assertIsCFType(CoreFoundation.CFAllocatorRef)
self.assertIsInstance(CoreFoundation.CFAllocatorGetTypeID(), int)
self.assertIsInstance(
CoreFoundation.kCFAllocatorDefault,
(CoreFoundation.CFAllocatorRef, type(None)),
)
self.assertIsInstance(CoreFoundation.kCFAllocatorSystemDefault,
CoreFoundation.CFAllocatorRef)
self.assertIsInstance(CoreFoundation.kCFAllocatorMalloc,
CoreFoundation.CFAllocatorRef)
self.assertIsInstance(CoreFoundation.kCFAllocatorMallocZone,
CoreFoundation.CFAllocatorRef)
self.assertIsInstance(CoreFoundation.kCFAllocatorNull,
CoreFoundation.CFAllocatorRef)
self.assertIsInstance(CoreFoundation.kCFAllocatorUseContext,
CoreFoundation.CFAllocatorRef)
r = CoreFoundation.CFAllocatorGetDefault()
self.assertIsInstance(r, CoreFoundation.CFAllocatorRef)
CoreFoundation.CFAllocatorSetDefault(CoreFoundation.kCFAllocatorMalloc)
r2 = CoreFoundation.CFAllocatorGetDefault()
self.assertIsInstance(r2, CoreFoundation.CFAllocatorRef)
self.assertIs(r2, CoreFoundation.kCFAllocatorMalloc)
# Restore default allocator
CoreFoundation.CFAllocatorSetDefault(r)
self.assertNotHasAttr(CoreFoundation, "CFAllocatorCreate")
self.assertNotHasAttr(CoreFoundation, "CFAllocatorAllocate")
self.assertNotHasAttr(CoreFoundation, "CFAllocatorReallocate")
self.assertNotHasAttr(CoreFoundation, "CFAllocatorDeallocate")
self.assertNotHasAttr(CoreFoundation, "CFAllocatorGetContext")
r = CoreFoundation.CFAllocatorGetPreferredSizeForSize(
CoreFoundation.kCFAllocatorDefault, 15, 0)
self.assertIsInstance(r, int)
self.assertGreaterEqual(r, 15)
