test-string-input-visitor: Improve list coverage

Lists with elements above INT64_MAX don't work (known bug).  Empty
lists don't work (weird).

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1488544368-30622-23-git-send-email-armbru@redhat.com>

tests/test-string-input-visitor.c

@@ -65,31 +65,90 @@ static void test_visitor_in_int(TestInputVisitorData *data,
     error_free_or_abort(&err);
 }
 
+static void check_ilist(Visitor *v, int64_t *expected, size_t n)
+{
+    int64List *res = NULL;
+    int64List *tail;
+    int i;
+
+    visit_type_int64List(v, NULL, &res, &error_abort);
+    tail = res;
+    for (i = 0; i < n; i++) {
+        g_assert(tail);
+        g_assert_cmpint(tail->value, ==, expected[i]);
+        tail = tail->next;
+    }
+    g_assert(!tail);
+
+    qapi_free_int64List(res);
+}
+
+static void check_ulist(Visitor *v, uint64_t *expected, size_t n)
+{
+    uint64List *res = NULL;
+    uint64List *tail;
+    int i;
+
+    /* BUG: unsigned numbers above INT64_MAX don't work */
+    for (i = 0; i < n; i++) {
+        if (expected[i] > INT64_MAX) {
+            Error *err = NULL;
+            visit_type_uint64List(v, NULL, &res, &err);
+            error_free_or_abort(&err);
+            return;
+        }
+    }
+
+    visit_type_uint64List(v, NULL, &res, &error_abort);
+    tail = res;
+    for (i = 0; i < n; i++) {
+        g_assert(tail);
+        g_assert_cmpuint(tail->value, ==, expected[i]);
+        tail = tail->next;
+    }
+    g_assert(!tail);
+
+    qapi_free_uint64List(res);
+}
+
 static void test_visitor_in_intList(TestInputVisitorData *data,
                                     const void *unused)
 {
-    int64_t value[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 20};
-    int16List *res = NULL, *tmp;
+    /* Note: the visitor *sorts* ranges *unsigned* */
+    int64_t expect1[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 20 };
+    int64_t expect2[] = { 32767, -32768, -32767 };
+    int64_t expect3[] = { INT64_MAX, INT64_MIN };
+    uint64_t expect4[] = { UINT64_MAX };
     Error *err = NULL;
+    int64List *res = NULL;
     Visitor *v;
-    int i = 0;
+
+    /* Valid lists */
 
     v = visitor_input_test_init(data, "1,2,0,2-4,20,5-9,1-8");
+    check_ilist(v, expect1, ARRAY_SIZE(expect1));
 
-    visit_type_int16List(v, NULL, &res, &error_abort);
-    tmp = res;
-    while (i < sizeof(value) / sizeof(value[0])) {
-        g_assert(tmp);
-        g_assert_cmpint(tmp->value, ==, value[i++]);
-        tmp = tmp->next;
-    }
-    g_assert(!tmp);
+    v = visitor_input_test_init(data, "32767,-32768--32767");
+    check_ilist(v, expect2, ARRAY_SIZE(expect2));
+
+    v = visitor_input_test_init(data,
+                                "-9223372036854775808,9223372036854775807");
+    check_ilist(v, expect3, ARRAY_SIZE(expect3));
+
+    v = visitor_input_test_init(data, "18446744073709551615");
+    check_ulist(v, expect4, ARRAY_SIZE(expect4));
+
+    /* Empty list is invalid (weird) */
+
+    v = visitor_input_test_init(data, "");
+    visit_type_int64List(v, NULL, &res, &err);
+    error_free_or_abort(&err);
 
-    qapi_free_int16List(res);
+    /* Not a list */
 
     v = visitor_input_test_init(data, "not an int list");
 
-    visit_type_int16List(v, NULL, &res, &err);
+    visit_type_int64List(v, NULL, &res, &err);
     error_free_or_abort(&err);
     g_assert(!res);
 }