kernel32/tests: Add a test for creating named mapping after closing without unmapping.

dlls/kernel32/tests/virtual.c

@@ -780,6 +780,38 @@ static void test_MapViewOfFile(void)
        "got %u, expected ERROR_INVALID_ADDRESS\n", GetLastError());
 
     ok( VirtualFree(addr, 0, MEM_RELEASE), "VirtualFree failed\n" );
+
+    /* close named mapping handle without unmapping */
+    name = "Foo";
+    SetLastError(0xdeadbeef);
+    mapping = CreateFileMappingA(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, MAPPING_SIZE, name);
+    ok( mapping != 0, "CreateFileMappingA failed with error %d\n", GetLastError() );
+    SetLastError(0xdeadbeef);
+    ptr = MapViewOfFile(mapping, FILE_MAP_WRITE, 0, 0, 0);
+    ok( ptr != NULL, "MapViewOfFile failed with error %d\n", GetLastError() );
+    SetLastError(0xdeadbeef);
+    map2 = OpenFileMappingA(FILE_MAP_READ, FALSE, name);
+    ok( map2 != 0, "OpenFileMappingA failed with error %d\n", GetLastError() );
+    CloseHandle(map2);
+    CloseHandle(mapping);
+
+    SetLastError(0xdeadbeef);
+    map2 = OpenFileMappingA(FILE_MAP_READ, FALSE, name);
+    todo_wine
+    ok( map2 == 0, "OpenFileMappingA succeeded\n" );
+    todo_wine
+    ok( GetLastError() == ERROR_FILE_NOT_FOUND, "OpenFileMappingA set error %d\n", GetLastError() );
+    CloseHandle(map2);
+    SetLastError(0xdeadbeef);
+    mapping = CreateFileMappingA(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, MAPPING_SIZE, name);
+    ok( mapping != 0, "CreateFileMappingA failed\n" );
+    todo_wine
+    ok( GetLastError() == ERROR_SUCCESS, "CreateFileMappingA set error %d\n", GetLastError() );
+    CloseHandle(mapping);
+
+    SetLastError(0xdeadbeef);
+    ret = UnmapViewOfFile(ptr);
+    ok( ret, "UnmapViewOfFile failed with error %d\n", GetLastError() );
 }
 
 static void test_NtMapViewOfSection(void)