ladybird/Tests/LibGfx/TestRect.cpp

/*
 * Copyright (c) 2023, Jelle Raaijmakers <jelle@ladybird.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <LibGfx/Rect.h>
#include <LibTest/TestCase.h>

TEST_CASE(int_rect_right_and_bottom)
{
    Gfx::IntRect rect = { 2, 3, 4, 5 };
    EXPECT_EQ(rect.right(), 6);
    EXPECT_EQ(rect.bottom(), 8);
}

TEST_CASE(float_rect_right_and_bottom)
{
    Gfx::FloatRect rect = { 1.f, 2.f, 3.5f, 4.5f };
    EXPECT_APPROXIMATE(rect.right(), 4.5f);
    EXPECT_APPROXIMATE(rect.bottom(), 6.5f);
}

TEST_CASE(rect_contains_vertically)
{
    Gfx::FloatRect rect = { 0.f, 0.f, 100.f, 100.f };
    EXPECT(rect.contains_vertically(99.f));
    EXPECT(!rect.contains_vertically(100.f));
}

TEST_CASE(rect_unite)
{
    Gfx::IntRect rect_a { 10, 10, 100, 100 };
    Gfx::IntRect rect_b { 50, 50, 60, 70 };

    rect_a.unite(rect_b);

    EXPECT_EQ(rect_a.left(), 10);
    EXPECT_EQ(rect_a.right(), 110);
    EXPECT_EQ(rect_a.top(), 10);
    EXPECT_EQ(rect_a.bottom(), 120);
}

TEST_CASE(rect_unite_horizontally)
{
    Gfx::IntRect rect_a { 10, 10, 1000, 100 };
    Gfx::IntRect rect_b { 0, 0, 100, 1000 };

    rect_a.unite_horizontally(rect_b);

    EXPECT_EQ(rect_a.left(), 0);
    EXPECT_EQ(rect_a.right(), 1010);
    EXPECT_EQ(rect_a.top(), 10);
    EXPECT_EQ(rect_a.bottom(), 110);
}

TEST_CASE(rect_unite_vertically)
{
    Gfx::IntRect rect_a { 10, 10, 1000, 1000 };
    Gfx::IntRect rect_b { 0, 0, 100, 100 };

    rect_a.unite_vertically(rect_b);

    EXPECT_EQ(rect_a.top(), 0);
    EXPECT_EQ(rect_a.bottom(), 1010);
    EXPECT_EQ(rect_a.left(), 10);
    EXPECT_EQ(rect_a.right(), 1010);
}