merge_existing
struct vm_area_struct *merge_existing(struct vma_merge_struct *vmg);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), vma_prev);
ASSERT_EQ(merge_existing(&vmg), vma_prev);
ASSERT_EQ(merge_existing(&vmg), vma_prev);
ASSERT_EQ(merge_existing(&vmg), vma_prev);
ASSERT_EQ(merge_existing(&vmg), vma_next);
ASSERT_EQ(merge_existing(&vmg), NULL);
TEST(merge_existing);
vma = merge_existing(&vmg);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), NULL);
ASSERT_EQ(merge_existing(&vmg), vma_prev);
ASSERT_EQ(merge_existing(&vmg), vma_next);
ASSERT_EQ(merge_existing(&vmg), vma_next);
ASSERT_EQ(merge_existing(&vmg), vma_prev);
ASSERT_EQ(merge_existing(&vmg), vma_prev);
ASSERT_EQ(merge_existing(&vmg), vma_prev);