utest/fs/test-utils.cpp

29     fbl::unique_ptr<fzl::MappedVmo> mvmo;
30     ASSERT_EQ(fzl::MappedVmo::Create(init_size, "test-vmo", &mvmo), ZX_OK);
33     ASSERT_EQ(mvmo->GetSize(), init_size);
34     memcpy(mvmo->GetData(), buf.get(), init_size);
35     ASSERT_EQ(memcmp(buf.get(), mvmo->GetData(), init_size), 0);
38     ASSERT_EQ(mvmo->Grow(init_size + 1), ZX_OK);
39     ASSERT_EQ(mvmo->GetSize(), init_size + PAGE_SIZE);
42     ASSERT_EQ(mvmo->Shrink(min_size), ZX_OK);
43     ASSERT_EQ(mvmo->GetSize(), min_size);
44     ASSERT_EQ(memcmp(buf.get(), mvmo->GetData(), min_size), 0);
47     ASSERT_EQ(mvmo->Grow(max_size), ZX_OK);
48     ASSERT_EQ(mvmo->GetSize(), max_size);
49     ASSERT_EQ(memcmp(buf.get(), mvmo->GetData(), min_size), 0);
50     uintptr_t addr = reinterpret_cast<uintptr_t>(mvmo->GetData());
52     ASSERT_EQ(memcmp(buf.get(), mvmo->GetData(), max_size), 0);