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124 lines
2.1 KiB
PHP
124 lines
2.1 KiB
PHP
--TEST--
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Test chr() function : usage variations - test values for $ascii argument
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--FILE--
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<?php
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/* Prototype : string chr ( int $ascii )
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* Description: Return a specific character
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* Source code: ext/standard/string.c
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*/
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echo "*** Testing chr() function: with unexpected inputs for 'ascii' argument ***\n";
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//get an unset variable
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$unset_var = 'string_val';
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unset($unset_var);
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//defining a class
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class sample {
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public function __toString() {
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return "sample object";
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}
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}
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//getting the resource
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$file_handle = fopen(__FILE__, "r");
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// array with different values for $input
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$inputs = array (
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// integer values
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/*1*/ 0,
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1,
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255,
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256,
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// float values
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/*5*/ 10.5,
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-20.5,
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1.1234e6,
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// array values
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/*8*/ array(),
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array(0),
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array(1, 2),
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// boolean values
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/*11*/ true,
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false,
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TRUE,
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FALSE,
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// null values
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/*15*/ NULL,
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null,
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// objects
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/*17*/ new sample(),
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// resource
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/*18*/ $file_handle,
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// undefined variable
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/*19*/ @$undefined_var,
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// unset variable
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/*20*/ @$unset_var
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);
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// loop through with each element of the $inputs array to test chr() function
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$count = 1;
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foreach($inputs as $input) {
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echo "-- Iteration $count --\n";
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var_dump( bin2hex(chr($input)) );
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$count ++;
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}
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fclose($file_handle); //closing the file handle
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?>
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===DONE===
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--EXPECTF--
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*** Testing chr() function: with unexpected inputs for 'ascii' argument ***
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-- Iteration 1 --
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string(2) "00"
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-- Iteration 2 --
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string(2) "01"
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-- Iteration 3 --
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string(2) "ff"
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-- Iteration 4 --
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string(2) "00"
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-- Iteration 5 --
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string(2) "0a"
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-- Iteration 6 --
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string(2) "ec"
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-- Iteration 7 --
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string(2) "48"
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-- Iteration 8 --
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string(2) "00"
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-- Iteration 9 --
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string(2) "00"
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-- Iteration 10 --
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string(2) "00"
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-- Iteration 11 --
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string(2) "01"
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-- Iteration 12 --
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string(2) "00"
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-- Iteration 13 --
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string(2) "01"
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-- Iteration 14 --
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string(2) "00"
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-- Iteration 15 --
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string(2) "00"
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-- Iteration 16 --
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string(2) "00"
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-- Iteration 17 --
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string(2) "00"
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-- Iteration 18 --
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string(2) "00"
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-- Iteration 19 --
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string(2) "00"
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-- Iteration 20 --
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string(2) "00"
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===DONE===
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