<?php declare(strict_types=1);
require_once "core/polyfills.php";

class PolyfillsTest extends \PHPUnit\Framework\TestCase
{
    public function test_html_escape()
    {
        $this->assertEquals(
            html_escape("Foo & <waffles>"),
            "Foo &amp; &lt;waffles&gt;"
        );

        $this->assertEquals(
            html_unescape("Foo &amp; &lt;waffles&gt;"),
            "Foo & <waffles>"
        );

        $x = "Foo &amp; &lt;waffles&gt;";
        $this->assertEquals(html_escape(html_unescape($x)), $x);
    }

    public function test_int_escape()
    {
        $this->assertEquals(int_escape(""), 0);
        $this->assertEquals(int_escape("1"), 1);
        $this->assertEquals(int_escape("-1"), -1);
        $this->assertEquals(int_escape("-1.5"), -1);
    }

    public function test_clamp()
    {
        $this->assertEquals(clamp(0, 5, 10), 5);
        $this->assertEquals(clamp(5, 5, 10), 5);
        $this->assertEquals(clamp(7, 5, 10), 7);
        $this->assertEquals(clamp(10, 5, 10), 10);
        $this->assertEquals(clamp(15, 5, 10), 10);
    }

    public function test_shorthand_int()
    {
        $this->assertEquals(to_shorthand_int(1231231231), "1.1GB");

        $this->assertEquals(parse_shorthand_int("foo"), -1);
        $this->assertEquals(parse_shorthand_int("32M"), 33554432);
        $this->assertEquals(parse_shorthand_int("43.4KB"), 44441);
        $this->assertEquals(parse_shorthand_int("1231231231"), 1231231231);
    }

    public function test_sanitize_path()
    {
        $this->assertEquals(
            "one",
            sanitize_path("one")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one\\two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one/two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one\\\\two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one//two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one\\\\\\two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            sanitize_path("one///two")
        );

        $this->assertEquals(
            DIRECTORY_SEPARATOR."one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR,
            sanitize_path("\\/one/\\/\\/two\\/")
        );
    }

    public function test_join_path()
    {
        $this->assertEquals(
            "one",
            join_path("one")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two",
            join_path("one", "two")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR."three",
            join_path("one", "two", "three")
        );

        $this->assertEquals(
            "one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR."three",
            join_path("one/two", "three")
        );

        $this->assertEquals(
            DIRECTORY_SEPARATOR."one".DIRECTORY_SEPARATOR."two".DIRECTORY_SEPARATOR."three".DIRECTORY_SEPARATOR,
            join_path("\\/////\\\\one/\///"."\\//two\/\\//\\//", "//\/\\\/three/\\/\/")
        );
    }
}