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mbStrlen.php
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91 lines (85 loc) · 2.4 KB
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<?php
/**
* @group compat
* @group security-153
*
* @covers ::mb_strlen
* @covers ::_mb_strlen
*/
class Tests_Compat_mbStrlen extends WP_UnitTestCase {
/**
* Test that mb_strlen() is always available (either from PHP or WP).
*/
public function test_mb_strlen_availability() {
$this->assertTrue( function_exists( 'mb_strlen' ) );
}
/**
* @dataProvider data_utf8_string_lengths
*/
public function test_mb_strlen( $input_string, $expected_character_length ) {
$this->assertSame( $expected_character_length, _mb_strlen( $input_string, 'UTF-8' ) );
}
/**
* @dataProvider data_utf8_string_lengths
*/
public function test_mb_strlen_via_regex( $input_string, $expected_character_length ) {
_wp_can_use_pcre_u( false );
$this->assertSame( $expected_character_length, _mb_strlen( $input_string, 'UTF-8' ) );
_wp_can_use_pcre_u( 'reset' );
}
/**
* @dataProvider data_utf8_string_lengths
*/
public function test_8bit_mb_strlen( $input_string, $expected_character_length, $expected_byte_length ) {
$this->assertSame( $expected_byte_length, _mb_strlen( $input_string, '8bit' ) );
}
/**
* Data provider.
*
* @return array
*/
public function data_utf8_string_lengths() {
return array(
array(
'input_string' => 'баба',
'expected_character_length' => 4,
'expected_byte_length' => 8,
),
array(
'input_string' => 'баб',
'expected_character_length' => 3,
'expected_byte_length' => 6,
),
array(
'input_string' => 'I am your б',
'expected_character_length' => 11,
'expected_byte_length' => 12,
),
array(
'input_string' => '1111111111',
'expected_character_length' => 10,
'expected_byte_length' => 10,
),
array(
'input_string' => '²²²²²²²²²²',
'expected_character_length' => 10,
'expected_byte_length' => 20,
),
array(
'input_string' => '３３３３３３３３３３',
'expected_character_length' => 10,
'expected_byte_length' => 30,
),
array(
'input_string' => '𝟜𝟜𝟜𝟜𝟜𝟜𝟜𝟜𝟜𝟜',
'expected_character_length' => 10,
'expected_byte_length' => 40,
),
array(
'input_string' => '1²３𝟜1²３𝟜1²３𝟜',
'expected_character_length' => 12,
'expected_byte_length' => 30,
),
);
}
}