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135 lines
1.9 KiB
PHP
135 lines
1.9 KiB
PHP
--TEST--
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Test abs() function : usage variations - different data types as $number arg
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--FILE--
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<?php
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/* Prototype : number abs ( mixed $number )
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* Description: Returns the absolute value of number.
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* Source code: ext/standard/math.c
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*/
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/*
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* Pass different data types as $number argument to abs() to test behaviour
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*/
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echo "*** Testing abs() : usage variations ***\n";
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//get an unset variable
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$unset_var = 10;
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unset ($unset_var);
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// get a class
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class classA
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{
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public function __toString() {
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return "abs";
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}
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}
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// heredoc string
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$heredoc = <<<EOT
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abs
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EOT;
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// get a resource variable
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$fp = fopen(__FILE__, "r");
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// unexpected values to be passed to $number argument
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$inputs = array(
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// null data
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/*10*/ NULL,
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null,
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// boolean data
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/*12*/ true,
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false,
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TRUE,
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FALSE,
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// empty data
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/*16*/ "",
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'',
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array(),
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// string data
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/*19*/ "abs",
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'abs',
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$heredoc,
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// object data
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/*22*/ new classA(),
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// undefined data
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/*23*/ @$undefined_var,
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// unset data
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/*24*/ @$unset_var,
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// resource variable
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/*25*/ $fp
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);
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// loop through each element of $inputs to check the behavior of abs()
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$iterator = 1;
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foreach($inputs as $input) {
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echo "\n-- Iteration $iterator --\n";
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var_dump(abs($input) );
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$iterator++;
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};
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fclose($fp);
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?>
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===Done===
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--EXPECTF--
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*** Testing abs() : usage variations ***
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-- Iteration 1 --
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int(0)
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-- Iteration 2 --
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int(0)
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-- Iteration 3 --
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int(1)
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-- Iteration 4 --
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int(0)
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-- Iteration 5 --
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int(1)
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-- Iteration 6 --
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int(0)
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-- Iteration 7 --
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int(0)
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-- Iteration 8 --
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int(0)
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-- Iteration 9 --
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bool(false)
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-- Iteration 10 --
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int(0)
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-- Iteration 11 --
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int(0)
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-- Iteration 12 --
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int(0)
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-- Iteration 13 --
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Notice: Object of class classA could not be converted to int in %s on line %d
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int(1)
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-- Iteration 14 --
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int(0)
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-- Iteration 15 --
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int(0)
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-- Iteration 16 --
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int(%d)
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===Done===
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