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61 lines
1.6 KiB
PHP
61 lines
1.6 KiB
PHP
--TEST--
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Test trim() function : error conditions
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--FILE--
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<?php
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/* Prototype : string trim ( string $str [, string $charlist ] )
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* Description: Strip whitespace (or other characters) from the beginning and end of a string.
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* Source code: ext/standard/string.c
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*/
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echo "*** Testing trim() : error conditions ***\n";
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echo "\n-- Testing trim() function with no arguments --\n";
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var_dump( trim() );
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echo "\n-- Testing trim() function with more than expected no. of arguments --\n";
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$extra_arg = 10;
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var_dump( trim("Hello World", "Heo", $extra_arg) );
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$hello = " Hello World\n";
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echo "\n-- Test trim function with various invalid charlists --\n";
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var_dump(trim($hello, "..a"));
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var_dump(trim($hello, "a.."));
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var_dump(trim($hello, "z..a"));
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var_dump(trim($hello, "a..b..c"));
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?>
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===DONE===
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--EXPECTF--
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*** Testing trim() : error conditions ***
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-- Testing trim() function with no arguments --
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Warning: trim() expects at least 1 parameter, 0 given in %s on line %d
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NULL
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-- Testing trim() function with more than expected no. of arguments --
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Warning: trim() expects at most 2 parameters, 3 given in %s on line %d
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NULL
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-- Test trim function with various invalid charlists --
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Warning: trim(): Invalid '..'-range, no character to the left of '..' in %s on line %d
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string(14) " Hello World
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"
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Warning: trim(): Invalid '..'-range, no character to the right of '..' in %s on line %d
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string(14) " Hello World
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"
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Warning: trim(): Invalid '..'-range, '..'-range needs to be incrementing in %s on line %d
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string(14) " Hello World
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"
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Warning: trim(): Invalid '..'-range in %s on line %d
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string(14) " Hello World
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"
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===DONE===
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