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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* @file
* Test utilities from src/util
*/
/*
* Authors:
* Thomas Holder
* Martin Owens
*
* Copyright (C) 2020-2022 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "gtest/gtest.h"
#include "util/longest-common-suffix.h"
#include "util/parse-int-range.h"
TEST(UtilTest, NearestCommonAncestor)
{
#define nearest_common_ancestor(a, b, c) \
Inkscape::Algorithms::nearest_common_ancestor(a, b, c)
// simple node with a parent
struct Node
{
Node const *parent;
Node(Node const *p) : parent(p){};
Node(Node const &other) = delete;
};
// iterator which traverses towards the root node
struct iter
{
Node const *node;
iter(Node const &n) : node(&n) {}
bool operator==(iter const &rhs) const { return node == rhs.node; }
bool operator!=(iter const &rhs) const { return node != rhs.node; }
iter &operator++()
{
node = node->parent;
return *this;
}
// TODO remove, the implementation should not require this
Node const &operator*() const { return *node; }
};
// construct a tree
auto const node0 = Node(nullptr);
auto const node1 = Node(&node0);
auto const node2 = Node(&node1);
auto const node3a = Node(&node2);
auto const node4a = Node(&node3a);
auto const node5a = Node(&node4a);
auto const node3b = Node(&node2);
auto const node4b = Node(&node3b);
auto const node5b = Node(&node4b);
// start at each node from 5a to 0 (first argument)
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node5b), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node4a), iter(node5b), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node3a), iter(node5b), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node2), iter(node5b), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node1), iter(node5b), iter(node0)), iter(node1));
ASSERT_EQ(nearest_common_ancestor(iter(node0), iter(node5b), iter(node0)), iter(node0));
// start at each node from 5b to 0 (second argument)
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node5b), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node4b), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node3b), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node2), iter(node0)), iter(node2));
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node1), iter(node0)), iter(node1));
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node0), iter(node0)), iter(node0));
// identity (special case in implementation)
ASSERT_EQ(nearest_common_ancestor(iter(node5a), iter(node5a), iter(node0)), iter(node5a));
// identical parents (special case in implementation)
ASSERT_EQ(nearest_common_ancestor(iter(node3a), iter(node3b), iter(node0)), iter(node2));
}
TEST(UtilTest, ParseIntRangeTest)
{
// Single number
ASSERT_EQ(Inkscape::parseIntRange("1"), std::set<unsigned int>({1}));
ASSERT_EQ(Inkscape::parseIntRange("3"), std::set<unsigned int>({3}));
// Out of range numbers
ASSERT_EQ(Inkscape::parseIntRange("11", 1, 10), std::set<unsigned int>({}));
ASSERT_EQ(Inkscape::parseIntRange("3", 5, 10), std::set<unsigned int>({}));
ASSERT_EQ(Inkscape::parseIntRange("3", 5), std::set<unsigned int>({}));
// Comma seperated in various orders
ASSERT_EQ(Inkscape::parseIntRange("1,3,5"), std::set<unsigned int>({1, 3, 5}));
ASSERT_EQ(Inkscape::parseIntRange("3,1,4"), std::set<unsigned int>({1, 3, 4}));
ASSERT_EQ(Inkscape::parseIntRange("3 ,2,9,"), std::set<unsigned int>({2, 3, 9}));
// Range of numbers using a dash
ASSERT_EQ(Inkscape::parseIntRange("1-4"), std::set<unsigned int>({1, 2, 3, 4}));
ASSERT_EQ(Inkscape::parseIntRange("2-4"), std::set<unsigned int>({2, 3, 4}));
ASSERT_EQ(Inkscape::parseIntRange("-"), std::set<unsigned int>({1})); // 1 is the implied start
ASSERT_EQ(Inkscape::parseIntRange("-3"), std::set<unsigned int>({1, 2, 3}));
ASSERT_EQ(Inkscape::parseIntRange("8-"), std::set<unsigned int>({8}));
ASSERT_EQ(Inkscape::parseIntRange("-", 4, 6), std::set<unsigned int>({4, 5, 6}));
ASSERT_EQ(Inkscape::parseIntRange("-7", 5), std::set<unsigned int>({5, 6, 7}));
ASSERT_EQ(Inkscape::parseIntRange("8-", 1, 10), std::set<unsigned int>({8, 9, 10}));
ASSERT_EQ(Inkscape::parseIntRange("all", 4, 6), std::set<unsigned int>({4, 5, 6}));
// Mixeed formats
ASSERT_EQ(Inkscape::parseIntRange("2-4,7-9", 1, 10), std::set<unsigned int>({2,3,4,7,8,9}));
}
// vim: filetype=cpp:expandtab:shiftwidth=4:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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