ladybird/AK/Tests/TestSinglyLinkedList.cpp
Lenny Maiorani 1b2364846f SinglyLinkedList: Implement find in terms of AK::find
Problem:
- The implementation of `find` is coupled to the implementation of
  `SinglyLinkedList`.

Solution:
- Decouple the implementation of `find` from the class by using a
  generic `find` algorithm.
2021-01-11 19:45:05 +01:00

83 lines
2.5 KiB
C++

/*
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#include <AK/TestSuite.h>
#include <AK/SinglyLinkedList.h>
static SinglyLinkedList<int> make_list()
{
SinglyLinkedList<int> list {};
list.append(0);
list.append(1);
list.append(2);
list.append(3);
list.append(4);
list.append(5);
list.append(6);
list.append(7);
list.append(8);
list.append(9);
return list;
}
TEST_CASE(should_find_mutable)
{
auto sut = make_list();
EXPECT_EQ(4, *sut.find(4));
EXPECT_EQ(sut.end(), sut.find(42));
}
TEST_CASE(should_find_mutable_with_predicate)
{
auto sut = make_list();
EXPECT_EQ(4, *sut.find_if([](const auto v) { return v == 4; }));
EXPECT_EQ(sut.end(), sut.find_if([](const auto v) { return v == 42; }));
}
TEST_CASE(should_find_const)
{
const auto sut = make_list();
EXPECT_EQ(4, *sut.find(4));
EXPECT_EQ(sut.end(), sut.find(42));
}
TEST_CASE(should_find_const_with_predicate)
{
const auto sut = make_list();
EXPECT_EQ(4, *sut.find_if([](const auto v) { return v == 4; }));
EXPECT_EQ(sut.end(), sut.find_if([](const auto v) { return v == 42; }));
}
TEST_MAIN(SinglyLinkedList)