# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1708538035 -3600
# Node ID 62d3aecc5bb7936b69d5dc5600006ca9fc613852
# Parent  1ce90ab4fab90b7b12cb60ac4c5cf2d242f26817
add xml test case for the tree iterator

closes #371

diff -r 1ce90ab4fab9 -r 62d3aecc5bb7 tests/test_tree.c
--- a/tests/test_tree.c	Wed Feb 21 18:32:38 2024 +0100
+++ b/tests/test_tree.c	Wed Feb 21 18:53:55 2024 +0100
@@ -388,6 +388,83 @@
     }
 }
 
+typedef struct test_xml_node {
+    struct test_xml_node *parent;
+    struct test_xml_node *next;
+    struct test_xml_node *prev;
+    struct test_xml_node *children;
+    char const* name;
+} test_xml_node;
+
+CX_TEST(test_tree_iterator_xml) {
+    test_xml_node project = {0};
+    test_xml_node config = {0};
+    test_xml_node var1 = {0};
+    test_xml_node var2 = {0};
+    test_xml_node var3 = {0};
+    test_xml_node dependency1 = {0};
+    test_xml_node dependency1make = {0};
+    test_xml_node dependency2 = {0};
+    test_xml_node dependency2lang = {0};
+    test_xml_node dependency2make = {0};
+    test_xml_node target = {0};
+    test_xml_node target_feature = {0};
+    test_xml_node target_feature_dependencies = {0};
+    test_xml_node target_dependencies = {0};
+
+    project.name = "project";
+    config.name = "config";
+    var1.name = "var";
+    var2.name = "var";
+    var3.name = "var";
+    dependency1.name = "dependency";
+    dependency1make.name = "make";
+    dependency2.name = "dependency";
+    dependency2lang.name = "lang";
+    dependency2make.name = "make";
+    target.name = "target";
+    target_feature.name = "feature";
+    target_dependencies.name = "dependencies";
+    target_feature_dependencies.name = "dependencies";
+
+    cx_tree_link(&project, &target, tree_node_layout);
+    cx_tree_link(&project, &dependency2, tree_node_layout);
+    cx_tree_link(&project, &dependency1, tree_node_layout);
+    cx_tree_link(&project, &config, tree_node_layout);
+    cx_tree_link(&config, &var3, tree_node_layout);
+    cx_tree_link(&config, &var2, tree_node_layout);
+    cx_tree_link(&config, &var1, tree_node_layout);
+    cx_tree_link(&dependency1, &dependency1make, tree_node_layout);
+    cx_tree_link(&dependency2, &dependency2make, tree_node_layout);
+    cx_tree_link(&dependency2, &dependency2lang, tree_node_layout);
+    cx_tree_link(&target, &target_dependencies, tree_node_layout);
+    cx_tree_link(&target, &target_feature, tree_node_layout);
+    cx_tree_link(&target_feature, &target_feature_dependencies, tree_node_layout);
+
+    char const *expected =
+            "<project><config><var></var><var></var><var></var></config>"
+            "<dependency><make></make></dependency><dependency><lang></lang><make></make></dependency>"
+            "<target><feature><dependencies></dependencies></feature><dependencies></dependencies></target></project>";
+    char *actual = malloc(512);
+    CX_TEST_DO {
+        CxTreeIterator iter = cx_tree_iterator(&project, true, tree_child_list);
+        size_t i = 0;
+        cx_foreach(test_xml_node*, node, iter) {
+            size_t len = strlen(node->name);
+            actual[i++] = '<';
+            if (iter.exiting) {
+                actual[i++] = '/';
+            }
+            memcpy(actual+i, node->name, len);
+            i += len;
+            actual[i++] = '>';
+        }
+        actual[i] = '\0';
+        CX_TEST_ASSERT(0 == strcmp(expected, actual));
+    }
+    free(actual);
+}
+
 CxTestSuite *cx_test_suite_tree_low_level(void) {
     CxTestSuite *suite = cx_test_suite_new("tree (low level)");
 
@@ -399,6 +476,7 @@
     cx_test_register(suite, test_tree_iterator_create_and_dispose);
     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);
 
     return suite;
 }