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108 lines
3.0 KiB
PHP
108 lines
3.0 KiB
PHP
--TEST--
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Test fgets() function : error conditions
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--FILE--
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<?php
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/*
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Prototype: string fgets ( resource $handle [, int $length] );
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Description: Gets line from file pointer
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*/
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echo "*** Testing error conditions ***\n";
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// zero argument
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echo "-- Testing fgets() with zero argument --\n";
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var_dump( fgets() );
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// more than expected no. of args
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echo "-- Testing fgets() with more than expected number of arguments --\n";
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$fp = fopen(__FILE__, "r");
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var_dump( fgets($fp, 10, $fp) );
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// invalid length argument
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echo "-- Testing fgets() with invalid length arguments --\n";
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$len = 0;
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var_dump( fgets($fp, $len) );
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$len = -10;
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var_dump( fgets($fp, $len) );
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$len = 1;
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var_dump( fgets($fp, $len) ); // return length - 1 always, expect false
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// test invalid arguments : non-resources
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echo "-- Testing fgets() with invalid arguments --\n";
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$invalid_args = array (
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"string",
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10,
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10.5,
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true,
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array(1,2,3),
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new stdclass,
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);
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/* loop to test fgets() with different invalid type of args */
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for($loop_counter = 1; $loop_counter <= count($invalid_args); $loop_counter++) {
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echo "-- Iteration $loop_counter --\n";
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var_dump( fgets($invalid_args[$loop_counter - 1], 10) );
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}
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// fgets() on a file handle which is already closed
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echo "-- Testing fgets() with closed/unset file handle --";
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fclose($fp);
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var_dump(fgets($fp,10));
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// fgets() on a file handle which is unset
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$file_handle = fopen(__FILE__, "r");
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unset($file_handle); //unset file handle
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var_dump( fgets(@$file_handle,10));
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echo "Done\n";
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?>
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--EXPECTF--
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*** Testing error conditions ***
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-- Testing fgets() with zero argument --
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Warning: fgets() expects at least 1 parameter, 0 given in %s on line %d
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bool(false)
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-- Testing fgets() with more than expected number of arguments --
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Warning: fgets() expects at most 2 parameters, 3 given in %s on line %d
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bool(false)
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-- Testing fgets() with invalid length arguments --
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Warning: fgets(): Length parameter must be greater than 0 in %s on line %d
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bool(false)
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Warning: fgets(): Length parameter must be greater than 0 in %s on line %d
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bool(false)
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bool(false)
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-- Testing fgets() with invalid arguments --
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-- Iteration 1 --
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Warning: fgets() expects parameter 1 to be resource, string given in %s on line %d
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bool(false)
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-- Iteration 2 --
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Warning: fgets() expects parameter 1 to be resource, integer given in %s on line %d
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bool(false)
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-- Iteration 3 --
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Warning: fgets() expects parameter 1 to be resource, double given in %s on line %d
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bool(false)
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-- Iteration 4 --
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Warning: fgets() expects parameter 1 to be resource, boolean given in %s on line %d
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bool(false)
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-- Iteration 5 --
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Warning: fgets() expects parameter 1 to be resource, array given in %s on line %d
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bool(false)
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-- Iteration 6 --
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Warning: fgets() expects parameter 1 to be resource, object given in %s on line %d
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bool(false)
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-- Testing fgets() with closed/unset file handle --
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Warning: fgets(): 5 is not a valid stream resource in %s on line %d
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bool(false)
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Warning: fgets() expects parameter 1 to be resource, null given in %s on line %d
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bool(false)
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Done
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