.

bigfile/tests/test_virtmem.c

@@ -1278,6 +1278,19 @@ void test_file_access_mmapbase(void)
 
     ok1(ram->lru_list.prev == &page2->lru);
     ok1(page2->lru.prev == &ram->lru_list);
+
+    /* read page[3] - served from base mmap */
+    ok1(B(vma, 3*PSb + 0) == 103);
+    ok1(B(vma, 3*PSb + 1) == 103);
+    ok1(B(vma, 3*PSb + PSb - 1) == 103);
+
+    ok1(!M(vma, 0));    CHECK_NOPAGE(         100                      );
+    ok1(!M(vma, 1));    CHECK_NOPAGE(         101                      );
+    ok1( M(vma, 2));    CHECK_PAGE  (page2,   102,    PAGE_DIRTY,     1);
+    ok1(!M(vma, 3));    CHECK_NOPAGE(         103                      );
+
+    ok1(ram->lru_list.prev == &page2->lru);
+    ok1(page2->lru.prev == &ram->lru_list);
 }