--- a/tests/test_tree.cpp Tue Jun 20 19:13:31 2023 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,122 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "cx/tree.h" -#include <gtest/gtest.h> - -struct TestNode { - TestNode *parent = nullptr; - TestNode *prev = nullptr; - TestNode *next = nullptr; - - TestNode *children_begin = nullptr; - TestNode *children_end = nullptr; -}; - -TEST(Tree, cx_tree_add_sibling) { - // prepare test tree - TestNode root, a; - root.children_begin = &a; - root.children_end = &a; - a.parent = &root; - - // new test nodes - TestNode b, c; - - // test - cx_tree_add_sibling(&a, offsetof(TestNode, prev), offsetof(TestNode, next), offsetof(TestNode, parent), &b); - EXPECT_EQ(b.parent, &root); - EXPECT_EQ(b.prev, &a); - EXPECT_EQ(b.next, nullptr); - EXPECT_EQ(a.next, &b); - - cx_tree_add_sibling(&a, -1, offsetof(TestNode, next), -1, &c); - EXPECT_EQ(c.parent, nullptr); - EXPECT_EQ(c.prev, nullptr); - EXPECT_EQ(c.next, nullptr); - EXPECT_EQ(b.next, &c); -} - -TEST(Tree, cx_tree_add_child) { - TestNode root, a, b, c, a1; - - cx_tree_add_child( - (void **) &root.children_begin, - (void **) &root.children_end, - offsetof(TestNode, prev), - offsetof(TestNode, next), - &a, - offsetof(TestNode, parent), - &root); - EXPECT_EQ(root.children_begin, &a); - EXPECT_EQ(root.children_end, &a); - EXPECT_EQ(a.parent, &root); - EXPECT_EQ(a.prev, nullptr); - EXPECT_EQ(a.next, nullptr); - - cx_tree_add_child( - (void **) &root.children_begin, - (void **) &root.children_end, - offsetof(TestNode, prev), - offsetof(TestNode, next), - &b, - offsetof(TestNode, parent), - &root); - EXPECT_EQ(root.children_begin, &a); - EXPECT_EQ(root.children_begin->next, &b); - EXPECT_EQ(root.children_end, &b); - EXPECT_EQ(b.parent, &root); - EXPECT_EQ(b.prev, &a); - - cx_tree_add_child( - (void **) &root.children_begin, - nullptr, - -1, - offsetof(TestNode, next), - &c, - -1, - &root); - EXPECT_EQ(root.children_end, &b); // children_end unchanged - EXPECT_EQ(b.next, &c); - EXPECT_EQ(c.prev, nullptr); - EXPECT_EQ(c.next, nullptr); - EXPECT_EQ(c.parent, nullptr); - - cx_tree_add_child( - (void **) &a.children_begin, - (void **) &a.children_end, - offsetof(TestNode, prev), - offsetof(TestNode, next), - &a1, - offsetof(TestNode, parent), - &a); - EXPECT_EQ(a.children_begin, &a1); - EXPECT_EQ(a1.parent, &a); - EXPECT_EQ(root.children_begin, &a); - EXPECT_EQ(root.children_begin->children_begin, &a1); -}