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