index/tests/WStringTest.php

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<?php
// WStringTest.php
// Created: 2021-04-26
// Updated: 2024-07-31
declare(strict_types=1);
use PHPUnit\Framework\TestCase;
use PHPUnit\Framework\Attributes\CoversClass;
use Index\WString;
#[CoversClass(WString::class)]
final class WStringTest extends TestCase {
public function testStartsWith(): void {
$this->assertTrue(WString::startsWith('君は実にバカだな', '君は'));
}
public function testEndsWith(): void {
$this->assertTrue(WString::endsWith('君は実にバカだな', 'バカだな'));
}
public function testReverse(): void {
$this->assertEquals('なだカバに実は君', WString::reverse('君は実にバカだな'));
$this->assertEquals("\x82\xc8\x82\xbe\x83\x4a\x83\x6f\x82\xc9\x8e\xc0\x82\xcd\x8c\x4e", WString::reverse("\x8c\x4e\x82\xcd\x8e\xc0\x82\xc9\x83\x6f\x83\x4a\x82\xbe\x82\xc8", encoding: 'Shift_JIS'));
}
public function testTrim(): void {
$utf8 = ' にゃ ';
$this->assertEquals('にゃ', WString::trim($utf8, encoding: 'utf-8'));
$this->assertEquals('にゃ ', WString::trimStart($utf8, encoding: 'utf-8'));
$this->assertEquals(' にゃ', WString::trimEnd($utf8, encoding: 'utf-8'));
}
public function testEmpty(): void {
$this->assertTrue(WString::nullOrWhitespace(''));
$this->assertTrue(WString::nullOrWhitespace(' '));
$this->assertTrue(WString::nullOrWhitespace(' '));
$this->assertTrue(WString::nullOrWhitespace(' '));
}
public function testCountUnique(): void {
$this->assertEquals(10, WString::countUnique('iaabbccddjjefghefghi'));
$this->assertEquals(11, WString::countUnique('jeff has three apples'));
$this->assertEquals(5, WString::countUnique('みさかみこと'));
}
}