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<?php
/**
* Test: Nette\Utils\Strings::compare()
* @phpExtension mbstring
*/
declare(strict_types=1);
use Nette\Utils\Strings;
use Tester\Assert;
require __DIR__ . '/../bootstrap.php';
test('compares empty strings', function () {
Assert::true(Strings::compare('', ''));
Assert::true(Strings::compare('', '', 0));
Assert::true(Strings::compare('', '', 1));
Assert::true(Strings::compare('', '', -1));
});
test('compares identical strings', function () {
Assert::true(Strings::compare('hello', 'hello'));
Assert::true(Strings::compare('test', 'test', 10));
});
test('case-insensitive comparison by default', function () {
Assert::true(Strings::compare('Hello', 'HELLO'));
Assert::true(Strings::compare('Test', 'test'));
Assert::true(Strings::compare('ABC', 'abc'));
});
test('full string comparison', function () {
Assert::false(Strings::compare('xy', 'xx'));
Assert::false(Strings::compare('hello', 'world'));
Assert::false(Strings::compare('test', 'testing'));
});
test('compares with length limit', function () {
Assert::true(Strings::compare('xy', 'xx', 0));
Assert::true(Strings::compare('xy', 'xx', 1));
Assert::false(Strings::compare('xy', 'yy', 1));
});
test('compares from end with negative length', function () {
Assert::true(Strings::compare('xy', 'yy', -1));
Assert::true(Strings::compare('abc', 'xbc', -2));
Assert::false(Strings::compare('abc', 'xyz', -2));
});
test('compares Unicode strings case-insensitively', function () {
// Iñtërnâtiônàlizætiøn
Assert::true(
Strings::compare(
"I\u{F1}t\u{EB}rn\u{E2}ti\u{F4}n\u{E0}liz\u{E6}ti\u{F8}n",
"I\u{D1}T\u{CB}RN\u{C2}TI\u{D4}N\u{C0}LIZ\u{C6}TI\u{D8}N",
),
);
Assert::true(
Strings::compare(
"I\u{F1}t\u{EB}rn\u{E2}ti\u{F4}n\u{E0}liz\u{E6}ti\u{F8}n",
"I\u{D1}T\u{CB}RN\u{C2}TI\u{D4}N\u{C0}LIZ\u{C6}TI\u{D8}N",
10,
),
);
});
test('compares NFC and NFD Unicode normalization forms', function () {
if (!class_exists('Normalizer')) {
Tester\Environment::skip('Normalizer class not available');
}
// Å (U+00C5) vs A (U+0041) + ̊ (U+030A)
Assert::true(Strings::compare("\xC3\x85", "A\xCC\x8A"), 'comparing NFC with NFD form');
Assert::true(Strings::compare("A\xCC\x8A", "\xC3\x85"), 'comparing NFD with NFC form');
});
test('compares with zero length', function () {
Assert::true(Strings::compare('completely', 'different', 0));
Assert::true(Strings::compare('any', 'thing', 0));
});
test('handles Czech and other diacritics', function () {
Assert::true(Strings::compare('Příliš', 'PŘÍLIŠ'));
Assert::true(Strings::compare('žluťoučký', 'ŽLUŤOUČKÝ'));
Assert::true(Strings::compare('kůň', 'KŮŇ'));
});
test('compares Cyrillic characters', function () {
Assert::true(Strings::compare('Привет', 'ПРИВЕТ'));
Assert::true(Strings::compare('мир', 'МИР'));
});
test('partial comparison from beginning', function () {
Assert::true(Strings::compare('hello world', 'hello universe', 5));
Assert::false(Strings::compare('hello world', 'hi world', 2));
});
test('partial comparison from end', function () {
Assert::true(Strings::compare('hello world', 'hey world', -5));
Assert::false(Strings::compare('hello world', 'hello mars', -4));
});
test('handles strings with different lengths', function () {
Assert::false(Strings::compare('short', 'much longer string'));
Assert::true(Strings::compare('short', 'SHORE', 4));
Assert::false(Strings::compare('short', 'SHORE', 5));
});
test('handles special characters', function () {
Assert::true(Strings::compare('test@example.com', 'TEST@EXAMPLE.COM'));
Assert::true(Strings::compare('path/to/file', 'PATH/TO/FILE'));
Assert::true(Strings::compare('hello-world', 'HELLO-WORLD'));
});
test('compares with emoji and symbols', function () {
Assert::true(Strings::compare('hello 😀', 'hello 😀'));
Assert::false(Strings::compare('😀', '😁'));
});
test('edge case with very long strings', function () {
$long1 = str_repeat('a', 1000);
$long2 = str_repeat('A', 1000);
Assert::true(Strings::compare($long1, $long2));
Assert::true(Strings::compare($long1, $long2, 500));
Assert::true(Strings::compare($long1, $long2, -500));
});
test('handles null bytes in strings', function () {
Assert::true(Strings::compare("test\x00string", "TEST\x00STRING"));
Assert::false(Strings::compare("test\x00", "test\x01"));
});
test('single character comparison', function () {
Assert::true(Strings::compare('a', 'A'));
Assert::false(Strings::compare('a', 'b'));
Assert::true(Strings::compare('a', 'b', 0));
});
test('comparison with whitespace', function () {
Assert::false(Strings::compare('hello', ' hello'));
Assert::false(Strings::compare('hello ', 'hello'));
Assert::true(Strings::compare(' ', ' '));
});
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