gecko/ipc/ipdl/test/cxx/TestShmem.cpp

76 lines
1.8 KiB
C++

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