Mercurial > hg > ucx / changeset

--- a/tests/test_tree.c	Sun Oct 06 13:41:26 2024 +0200
+++ b/tests/test_tree.c	Sun Oct 06 13:44:26 2024 +0200
@@ -488,6 +488,27 @@
     }
 }
 
+CX_TEST(test_tree_iterator_create_for_empty_tree) {
+    CX_TEST_DO {
+        CxTreeIterator iter = cx_tree_iterator(NULL, false, tree_children(tree_node));
+        CX_TEST_ASSERT(!iter.visit_on_exit);
+        CX_TEST_ASSERT(!iter.exiting);
+        CX_TEST_ASSERT(iter.counter == 0);
+        CX_TEST_ASSERT(iter.node == NULL);
+        CX_TEST_ASSERT(!iter.base.mutating);
+        CX_TEST_ASSERT(!iter.base.remove);
+        CX_TEST_ASSERT(iter.stack == NULL);
+        CX_TEST_ASSERT(iter.stack_capacity == 0);
+        CX_TEST_ASSERT(iter.stack_size == 0);
+        CX_TEST_ASSERT(iter.depth == 0);
+        CX_TEST_ASSERT(iter.loc_next == offsetof(tree_node, next));
+        CX_TEST_ASSERT(iter.loc_children == offsetof(tree_node, children));
+        CX_TEST_ASSERT(!cxIteratorValid(iter));
+        // disposing this iterator should also be harmless
+        cxTreeIteratorDispose(&iter);
+    }
+}
+
 CX_TEST(test_tree_iterator_basic_only_enter) {
     tree_node root = {0};
     tree_node a = {0};
@@ -1894,7 +1915,6 @@
         CX_TEST_ASSERT(relinked_lib->parent == tree->root);
         CX_TEST_ASSERT(NULL != cxTreeFind(tree, "/home/"));
 
-
         cxTreeDestroy(tree);
         // all memory should be free when using destroy instead of remove
         CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
@@ -1975,6 +1995,7 @@
     cx_test_register(suite, test_tree2_unlink);
     cx_test_register(suite, test_tree_search);
     cx_test_register(suite, test_tree_iterator_create_and_dispose);
+    cx_test_register(suite, test_tree_iterator_create_for_empty_tree);
     cx_test_register(suite, test_tree_iterator_basic_only_enter);
     cx_test_register(suite, test_tree_iterator_basic_enter_and_exit);
     cx_test_register(suite, test_tree_iterator_xml);