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136 lines
2.1 KiB
PHP
136 lines
2.1 KiB
PHP
--TEST--
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Test strncasecmp() function: usage variations - case-sensitivity
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--FILE--
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<?php
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/* Prototype : int strncasecmp ( string $str1, string $str2, int $len );
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* Description: Binary safe case-insensitive string comparison of the first n characters
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* Source code: Zend/zend_builtin_functions.c
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*/
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/* Test strncasecmp() function with upper-case and lower-case alphabets as inputs for 'str1' and 'str2' */
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echo "*** Test strncasecmp() function: with alphabets ***\n";
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echo "-- Passing upper-case letters for 'str1' --\n";
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for($ASCII = 65; $ASCII <= 90; $ASCII++) {
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var_dump( strncasecmp( chr($ASCII), chr($ASCII), 1 ) ); //comparing uppercase letter with corresponding uppercase letter; exp: int(0)
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var_dump( strncasecmp( chr($ASCII), chr($ASCII + 32), 1 ) ); //comparing uppercase letter with corresponding lowercase letter; exp: int(0)
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}
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echo "\n-- Passing lower-case letters for 'str1' --\n";
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for($ASCII = 97; $ASCII <= 122; $ASCII++) {
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var_dump( strncasecmp( chr($ASCII), chr($ASCII), 1 ) ); //comparing lowercase letter with corresponding lowercase letter; exp: int(0)
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var_dump( strncasecmp( chr($ASCII), chr($ASCII - 32), 1 ) ); //comparing lowercase letter with corresponding uppercase letter; exp: int(0)
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}
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echo "*** Done ***\n";
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?>
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--EXPECTF--
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*** Test strncasecmp() function: with alphabets ***
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-- Passing upper-case letters for 'str1' --
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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-- Passing lower-case letters for 'str1' --
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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int(0)
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*** Done ***
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