phpmyadmin/test/classes/FontTest.php

<?php
/**
 * Tests for PhpMyAdmin\Font class
 *
 * @package PhpMyAdmin-test
 */
declare(strict_types=1);

namespace PhpMyAdmin\Tests;

use PhpMyAdmin\Font;
use PhpMyAdmin\Tests\PmaTestCase;

/**
 * Tests for PhpMyAdmin\Font class
 *
 * @package PhpMyAdmin-test
 */
class FontTest extends PmaTestCase
{
    /**
     * @var Font
     */
    private $font;

    /**
     * Sets up the fixture
     *
     * @return void
     */
    protected function setUp(): void
    {
        $this->font = new Font();
    }

    /**
     * Test getStringWidth with different characters.
     *
     * @return void
     */
    public function testGetStringWidth()
    {
        // empty string
        $this->assertEquals(
            0,
            $this->font->getStringWidth("", "arial", 10)
        );

        // empty string
        $this->assertEquals(
            3,
            $this->font->getStringWidth(" ", "arial", 10)
        );

        // string "a"
        $this->assertEquals(
            6,
            $this->font->getStringWidth("a", "arial", 10)
        );

        // string "aa"
        $this->assertEquals(
            12,
            $this->font->getStringWidth("aa", "arial", 10)
        );

        // string "i"
        $this->assertEquals(
            3,
            $this->font->getStringWidth("i", "arial", 10)
        );

        // string "f"
        $this->assertEquals(
            3,
            $this->font->getStringWidth("f", "arial", 10)
        );

        // string "t"
        $this->assertEquals(
            3,
            $this->font->getStringWidth("t", "arial", 10)
        );

        // string "if"
        $this->assertEquals(
            5,
            $this->font->getStringWidth("if", "arial", 10)
        );

        // string "it"
        $this->assertEquals(
            6,
            $this->font->getStringWidth("it", "arial", 10)
        );

        // string "r"
        $this->assertEquals(
            4,
            $this->font->getStringWidth("r", "arial", 10)
        );

        // string "1"
        $this->assertEquals(
            5,
            $this->font->getStringWidth("1", "arial", 10)
        );

        // string "c"
        $this->assertEquals(
            5,
            $this->font->getStringWidth("c", "arial", 10)
        );

        // string "F"
        $this->assertEquals(
            7,
            $this->font->getStringWidth("F", "arial", 10)
        );

        // string "A"
        $this->assertEquals(
            7,
            $this->font->getStringWidth("A", "arial", 10)
        );

        // string "w"
        $this->assertEquals(
            8,
            $this->font->getStringWidth("w", "arial", 10)
        );

        // string "G"
        $this->assertEquals(
            8,
            $this->font->getStringWidth("G", "arial", 10)
        );

        // string "m"
        $this->assertEquals(
            9,
            $this->font->getStringWidth("m", "arial", 10)
        );

        // string "W"
        $this->assertEquals(
            10,
            $this->font->getStringWidth("W", "arial", 10)
        );

        // string "$"
        $this->assertEquals(
            3,
            $this->font->getStringWidth("$", "arial", 10)
        );
    }

    /**
     * Test getStringWidth with different fonts.
     *
     * @return void
     */
    public function testGetStringWidthFont()
    {
        // string "phpMyAdmin", with Arial 10
        $this->assertEquals(
            59,
            $this->font->getStringWidth("phpMyAdmin", "arial", 10)
        );

        // string "phpMyAdmin", with No font
        $this->assertEquals(
            59,
            $this->font->getStringWidth("phpMyAdmin", "", 10)
        );

        // string "phpMyAdmin", with Times 10
        $this->assertEquals(
            55,
            $this->font->getStringWidth("phpMyAdmin", "times", 10)
        );

        // string "phpMyAdmin", with Broadway 10
        $this->assertEquals(
            73,
            $this->font->getStringWidth("phpMyAdmin", "broadway", 10)
        );
    }

    /**
     * Test getStringWidth with different font sizes.
     *
     * @return void
     */
    public function testGetStringWidthSize()
    {
        // string "phpMyAdmin", with font size 0
        $this->assertEquals(
            0,
            $this->font->getStringWidth("phpMyAdmin", "arial", 0)
        );

        // string "phpMyAdmin", with Arial 10
        $this->assertEquals(
            59,
            $this->font->getStringWidth("phpMyAdmin", "arial", 10)
        );

        // string "phpMyAdmin", with Arial 11
        $this->assertEquals(
            65,
            $this->font->getStringWidth("phpMyAdmin", "arial", 11)
        );

        // string "phpMyAdmin", with Arial 20
        $this->assertEquals(
            118,
            $this->font->getStringWidth("phpMyAdmin", "arial", 20)
        );
    }

    /**
     * Test getStringWidth with a custom charList.
     *
     * @return void
     */
    public function testGetStringWidthCharLists()
    {
        // string "a", with invalid charlist (= array without proper structure)
        $this->assertEquals(
            6,
            $this->font->getStringWidth("a", "arial", 10, ["list"])
        );

        // string "a", with invalid charlist (= array without proper structure :
        // modifier is missing
        $this->assertEquals(
            6,
            $this->font->getStringWidth(
                "a",
                "arial",
                10,
                [["chars" => "a"]]
            )
        );

        // string "a", with invalid charlist (= array without proper structure :
        // chars is missing
        $this->assertEquals(
            6,
            $this->font->getStringWidth(
                "a",
                "arial",
                10,
                [["modifier" => 0.61]]
            )
        );

        // string "a", with invalid charlist (= array without proper structure :
        // chars is not an array
        $this->assertEquals(
            6,
            $this->font->getStringWidth(
                "a",
                "arial",
                10,
                [
                    [
                        "chars" => "a",
                        "modifier" => 0.61,
                    ],
                ]
            )
        );

        // string "a", with valid charlist
        $this->assertEquals(
            7,
            $this->font->getStringWidth(
                "a",
                "arial",
                10,
                [
                    [
                        "chars" => ["a"],
                        "modifier" => 0.61,
                    ],
                ]
            )
        );
    }
}