michael@0: #include "TestShmem.h"
michael@0: 
michael@0: #include "IPDLUnitTests.h"      // fail etc.
michael@0: 
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace _ipdltest {
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: // Parent
michael@0: 
michael@0: void
michael@0: TestShmemParent::Main()
michael@0: {
michael@0:     Shmem mem;
michael@0:     Shmem unsafe;
michael@0: 
michael@0:     size_t size = 12345;
michael@0:     if (!AllocShmem(size, SharedMemory::TYPE_BASIC, &mem))
michael@0:         fail("can't alloc shmem");
michael@0:     if (!AllocUnsafeShmem(size, SharedMemory::TYPE_BASIC, &unsafe))
michael@0:         fail("can't alloc shmem");
michael@0: 
michael@0:     if (mem.Size<char>() != size)
michael@0:         fail("shmem is wrong size: expected %lu, got %lu",
michael@0:              size, mem.Size<char>());
michael@0:     if (unsafe.Size<char>() != size)
michael@0:         fail("shmem is wrong size: expected %lu, got %lu",
michael@0:              size, unsafe.Size<char>());
michael@0: 
michael@0:     char* ptr = mem.get<char>();
michael@0:     memcpy(ptr, "Hello!", sizeof("Hello!"));
michael@0: 
michael@0:     char* unsafeptr = unsafe.get<char>();
michael@0:     memcpy(unsafeptr, "Hello!", sizeof("Hello!"));
michael@0: 
michael@0:     Shmem unsafecopy = unsafe;
michael@0:     if (!SendGive(mem, unsafe, size))
michael@0:         fail("can't send Give()");
michael@0: 
michael@0:     // uncomment the following line for a (nondeterministic) surprise!
michael@0:     //char c1 = *ptr;  (void)c1;
michael@0: 
michael@0:     // uncomment the following line for a deterministic surprise!
michael@0:     //char c2 = *mem.get<char>(); (void)c2;
michael@0: 
michael@0:     // unsafe shmem gets rid of those checks
michael@0:     char uc1 = *unsafeptr;  (void)uc1;
michael@0:     char uc2 = *unsafecopy.get<char>(); (void)uc2;
michael@0: }
michael@0: 
michael@0: 
michael@0: bool
michael@0: TestShmemParent::RecvTake(Shmem& mem, Shmem& unsafe,
michael@0:                           const size_t& expectedSize)
michael@0: {
michael@0:     if (mem.Size<char>() != expectedSize)
michael@0:         fail("expected shmem size %lu, but it has size %lu",
michael@0:              expectedSize, mem.Size<char>());
michael@0:     if (unsafe.Size<char>() != expectedSize)
michael@0:         fail("expected shmem size %lu, but it has size %lu",
michael@0:              expectedSize, unsafe.Size<char>());
michael@0: 
michael@0:     if (strcmp(mem.get<char>(), "And yourself!"))
michael@0:         fail("expected message was not written");
michael@0:     if (strcmp(unsafe.get<char>(), "And yourself!"))
michael@0:         fail("expected message was not written");
michael@0: 
michael@0:     if (!DeallocShmem(mem))
michael@0:         fail("DeallocShmem");
michael@0:     if (!DeallocShmem(unsafe))
michael@0:         fail("DeallocShmem");
michael@0: 
michael@0:     Close();
michael@0: 
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: // Child
michael@0: 
michael@0: bool
michael@0: TestShmemChild::RecvGive(Shmem& mem, Shmem& unsafe, const size_t& expectedSize)
michael@0: {
michael@0:     if (mem.Size<char>() != expectedSize)
michael@0:         fail("expected shmem size %lu, but it has size %lu",
michael@0:              expectedSize, mem.Size<char>());
michael@0:     if (unsafe.Size<char>() != expectedSize)
michael@0:         fail("expected shmem size %lu, but it has size %lu",
michael@0:              expectedSize, unsafe.Size<char>());
michael@0: 
michael@0:     if (strcmp(mem.get<char>(), "Hello!"))
michael@0:         fail("expected message was not written");
michael@0:     if (strcmp(unsafe.get<char>(), "Hello!"))
michael@0:         fail("expected message was not written");
michael@0: 
michael@0:     char* unsafeptr = unsafe.get<char>();
michael@0: 
michael@0:     memcpy(mem.get<char>(), "And yourself!", sizeof("And yourself!"));
michael@0:     memcpy(unsafeptr, "And yourself!", sizeof("And yourself!"));
michael@0: 
michael@0:     Shmem unsafecopy = unsafe;
michael@0:     if (!SendTake(mem, unsafe, expectedSize))
michael@0:         fail("can't send Take()");
michael@0: 
michael@0:     // these checks also shouldn't fail in the child
michael@0:     char uc1 = *unsafeptr;  (void)uc1;
michael@0:     char uc2 = *unsafecopy.get<char>(); (void)uc2;
michael@0: 
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: 
michael@0: } // namespace _ipdltest
michael@0: } // namespace mozilla