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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/HashMap.h>
#include <AK/OwnPtr.h>
#include <AK/String.h>
TEST_CASE(construct)
{
using IntIntMap = HashMap<int, int>;
EXPECT(IntIntMap().is_empty());
EXPECT_EQ(IntIntMap().size(), 0u);
}
TEST_CASE(construct_from_initializer_list)
{
HashMap<int, String> number_to_string {
{ 1, "One" },
{ 2, "Two" },
{ 3, "Three" },
};
EXPECT_EQ(number_to_string.is_empty(), false);
EXPECT_EQ(number_to_string.size(), 3u);
}
TEST_CASE(populate)
{
HashMap<int, String> number_to_string;
number_to_string.set(1, "One");
number_to_string.set(2, "Two");
number_to_string.set(3, "Three");
EXPECT_EQ(number_to_string.is_empty(), false);
EXPECT_EQ(number_to_string.size(), 3u);
}
TEST_CASE(range_loop)
{
HashMap<int, String> number_to_string;
EXPECT_EQ(number_to_string.set(1, "One"), AK::HashSetResult::InsertedNewEntry);
EXPECT_EQ(number_to_string.set(2, "Two"), AK::HashSetResult::InsertedNewEntry);
EXPECT_EQ(number_to_string.set(3, "Three"), AK::HashSetResult::InsertedNewEntry);
int loop_counter = 0;
for (auto& it : number_to_string) {
EXPECT_EQ(it.value.is_null(), false);
++loop_counter;
}
EXPECT_EQ(loop_counter, 3);
}
TEST_CASE(map_remove)
{
HashMap<int, String> number_to_string;
EXPECT_EQ(number_to_string.set(1, "One"), AK::HashSetResult::InsertedNewEntry);
EXPECT_EQ(number_to_string.set(2, "Two"), AK::HashSetResult::InsertedNewEntry);
EXPECT_EQ(number_to_string.set(3, "Three"), AK::HashSetResult::InsertedNewEntry);
EXPECT_EQ(number_to_string.remove(1), true);
EXPECT_EQ(number_to_string.size(), 2u);
EXPECT(number_to_string.find(1) == number_to_string.end());
EXPECT_EQ(number_to_string.remove(3), true);
EXPECT_EQ(number_to_string.size(), 1u);
EXPECT(number_to_string.find(3) == number_to_string.end());
EXPECT(number_to_string.find(2) != number_to_string.end());
}
TEST_CASE(case_insensitive)
{
HashMap<String, int, CaseInsensitiveStringTraits> casemap;
EXPECT_EQ(String("nickserv").to_lowercase(), String("NickServ").to_lowercase());
EXPECT_EQ(casemap.set("nickserv", 3), AK::HashSetResult::InsertedNewEntry);
EXPECT_EQ(casemap.set("NickServ", 3), AK::HashSetResult::ReplacedExistingEntry);
EXPECT_EQ(casemap.size(), 1u);
}
TEST_CASE(hashmap_of_nonnullownptr_get)
{
struct Object {
Object(const String& s)
: string(s)
{
}
String string;
};
HashMap<int, NonnullOwnPtr<Object>> objects;
objects.set(1, make<Object>("One"));
objects.set(2, make<Object>("Two"));
objects.set(3, make<Object>("Three"));
{
auto x = objects.get(2);
EXPECT_EQ(x.has_value(), true);
EXPECT_EQ(x.value()->string, "Two");
}
{
// Do it again to make sure that peeking into the map above didn't
// remove the value from the map.
auto x = objects.get(2);
EXPECT_EQ(x.has_value(), true);
EXPECT_EQ(x.value()->string, "Two");
}
EXPECT_EQ(objects.size(), 3u);
}
TEST_CASE(many_strings)
{
HashMap<String, int> strings;
for (int i = 0; i < 999; ++i) {
EXPECT_EQ(strings.set(String::number(i), i), AK::HashSetResult::InsertedNewEntry);
}
EXPECT_EQ(strings.size(), 999u);
for (auto& it : strings) {
EXPECT_EQ(it.key.to_int().value(), it.value);
}
for (int i = 0; i < 999; ++i) {
EXPECT_EQ(strings.remove(String::number(i)), true);
}
EXPECT_EQ(strings.is_empty(), true);
}
TEST_CASE(basic_remove)
{
HashMap<int, int> map;
map.set(1, 10);
map.set(2, 20);
map.set(3, 30);
EXPECT_EQ(map.remove(3), true);
EXPECT_EQ(map.remove(3), false);
EXPECT_EQ(map.size(), 2u);
EXPECT_EQ(map.remove(1), true);
EXPECT_EQ(map.remove(1), false);
EXPECT_EQ(map.size(), 1u);
EXPECT_EQ(map.remove(2), true);
EXPECT_EQ(map.remove(2), false);
EXPECT_EQ(map.size(), 0u);
}
TEST_CASE(basic_contains)
{
HashMap<int, int> map;
map.set(1, 10);
map.set(2, 20);
map.set(3, 30);
EXPECT_EQ(map.contains(1), true);
EXPECT_EQ(map.contains(2), true);
EXPECT_EQ(map.contains(3), true);
EXPECT_EQ(map.contains(4), false);
EXPECT_EQ(map.remove(3), true);
EXPECT_EQ(map.contains(3), false);
EXPECT_EQ(map.contains(1), true);
EXPECT_EQ(map.contains(2), true);
EXPECT_EQ(map.remove(2), true);
EXPECT_EQ(map.contains(2), false);
EXPECT_EQ(map.contains(3), false);
EXPECT_EQ(map.contains(1), true);
EXPECT_EQ(map.remove(1), true);
EXPECT_EQ(map.contains(1), false);
}
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