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New trim() tests. Tested on Windows, Linux and Linux 64 bit
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andy wharmby
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45
ext/standard/tests/strings/trim_basic.phpt
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45
ext/standard/tests/strings/trim_basic.phpt
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@ -0,0 +1,45 @@
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--TEST--
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Test trim() function : basic functionality
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--FILE--
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<?php
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/* Prototype : string trim ( string $str [, string $charlist ] )
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* Description: Strip whitespace (or other characters) from the beginning and end of a string.
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* Source code: ext/standard/string.c
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*/
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echo "*** Testing trim() : basic functionality ***\n";
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$text = " \t\r\n\0\x0B ---These are a few words--- \t\r\n\0\x0B ";
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$hello = "!===Hello World===!";
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$binary = "\x0A\x0DExample string\x0A\x0D";
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echo "\n-- Trim string with all white space characters --\n";
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var_dump(trim($text));
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echo "\n-- Trim non-whitespace from a string --\n";
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var_dump(trim($hello, "=!"));
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echo "\n-- Trim some non-white space characters from a string --\n";
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var_dump(trim($hello, "Hdle"));
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echo "\n-- Trim the ASCII control characters at the beginning of a string --\n";
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var_dump(trim($binary, "\x00..\x1F"));
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?>
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===DONE===
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--EXPECT--
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*** Testing trim() : basic functionality ***
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-- Trim string with all white space characters --
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unicode(27) "---These are a few words---"
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-- Trim non-whitespace from a string --
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unicode(11) "Hello World"
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-- Trim some non-white space characters from a string --
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unicode(19) "!===Hello World===!"
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-- Trim the ASCII control characters at the beginning of a string --
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unicode(14) "Example string"
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===DONE===
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61
ext/standard/tests/strings/trim_error.phpt
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61
ext/standard/tests/strings/trim_error.phpt
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@ -0,0 +1,61 @@
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--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 $charlist ] )
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* Description: Strip whitespace (or other characters) from the begining and end of a string.
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* Source code: ext/standard/string.c
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*/
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echo "*** Testing trim() : error conditions ***\n";
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echo "\n-- Testing trim() function with no arguments --\n";
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var_dump( trim() );
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echo "\n-- Testing trim() function with more than expected no. of arguments --\n";
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$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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unicode(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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unicode(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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unicode(14) " Hello World
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"
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Warning: trim(): Invalid '..'-range in %s on line %d
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unicode(14) " Hello World
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"
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===DONE===
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138
ext/standard/tests/strings/trim_variation1.phpt
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138
ext/standard/tests/strings/trim_variation1.phpt
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@ -0,0 +1,138 @@
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--TEST--
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Test trim() function : usage variations - test values for $str argument
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--FILE--
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<?php
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/* Prototype : string trim ( string $str [, string $charlist ] )
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* Description: Strip whitespace (or other characters) from the begining and end of a string.
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* Source code: ext/standard/string.c
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*/
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echo "*** Testing trim() function: with unexpected inputs for 'str' argument ***\n";
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//get an unset variable
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$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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2147483647,
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-2147483648,
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// float values
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/*7*/ 10.5,
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-20.5,
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10.1234567e10,
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// array values
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/*10*/ array(),
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array(0),
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array(1, 2),
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// boolean values
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/*13*/ 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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/*17*/ NULL,
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null,
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// objects
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/*19*/ new sample(),
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// resource
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/*20*/ $file_handle,
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// undefined variable
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/*21*/ @$undefined_var,
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// unset variable
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/*22*/ @$unset_var
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);
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// loop through with each element of the $inputs array to test trim() function
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$count = 1;
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foreach($inputs as $input) {
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echo "-- Iteration $count --\n";
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// strip white space and any "minus" signs
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var_dump( trim($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 trim() function: with unexpected inputs for 'str' argument ***
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-- Iteration 1 --
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unicode(1) "0"
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-- Iteration 2 --
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unicode(1) "1"
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-- Iteration 3 --
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unicode(3) "255"
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-- Iteration 4 --
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unicode(3) "256"
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-- Iteration 5 --
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unicode(10) "2147483647"
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-- Iteration 6 --
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unicode(10) "2147483648"
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-- Iteration 7 --
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unicode(4) "10.5"
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-- Iteration 8 --
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unicode(4) "20.5"
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-- Iteration 9 --
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unicode(12) "101234567000"
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-- Iteration 10 --
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Warning: trim() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
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NULL
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-- Iteration 11 --
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Warning: trim() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
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NULL
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-- Iteration 12 --
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Warning: trim() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
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NULL
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-- Iteration 13 --
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unicode(1) "1"
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-- Iteration 14 --
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unicode(0) ""
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-- Iteration 15 --
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unicode(1) "1"
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-- Iteration 16 --
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unicode(0) ""
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-- Iteration 17 --
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unicode(0) ""
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-- Iteration 18 --
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unicode(0) ""
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-- Iteration 19 --
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unicode(13) "sample object"
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-- Iteration 20 --
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Warning: trim() expects parameter 1 to be string (Unicode or binary), resource given in %s on line %d
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NULL
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-- Iteration 21 --
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unicode(0) ""
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-- Iteration 22 --
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unicode(0) ""
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===DONE===
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138
ext/standard/tests/strings/trim_variation2.phpt
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138
ext/standard/tests/strings/trim_variation2.phpt
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@ -0,0 +1,138 @@
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--TEST--
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Test trim() function : usage variations - test values for $charlist argument
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--FILE--
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<?php
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/* Prototype : string trim ( string $str [, string $charlist ] )
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* Description: Strip whitespace (or other characters) from the begining and end of a string.
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* Source code: ext/standard/string.c
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*/
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echo "*** Testing trim() function: with unexpected inputs for 'charlist' argument ***\n";
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//get an unset variable
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$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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2147483647,
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-2147483648,
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// float values
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/*7*/ 10.5,
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-20.5,
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10.1234567e10,
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// array values
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/*10*/ array(),
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array(0),
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array(1, 2),
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// boolean values
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/*13*/ 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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/*17*/ NULL,
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null,
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// objects
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/*19*/ new sample(),
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// resource
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/*20*/ $file_handle,
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// undefined variable
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/*21*/ @$undefined_var,
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// unset variable
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/*22*/ @$unset_var
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);
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// loop through with each element of the $inputs array to test trim() function
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$count = 1;
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foreach($inputs as $charlist) {
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echo "-- Iteration $count --\n";
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// strip white space and any "minus" signs
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var_dump( trim("!---Hello World---!", $charlist) );
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$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 trim() function: with unexpected inputs for 'charlist' argument ***
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-- Iteration 1 --
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unicode(19) "!---Hello World---!"
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-- Iteration 2 --
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unicode(19) "!---Hello World---!"
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-- Iteration 3 --
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unicode(19) "!---Hello World---!"
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-- Iteration 4 --
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unicode(19) "!---Hello World---!"
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-- Iteration 5 --
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unicode(19) "!---Hello World---!"
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-- Iteration 6 --
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unicode(19) "!---Hello World---!"
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-- Iteration 7 --
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unicode(19) "!---Hello World---!"
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-- Iteration 8 --
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unicode(19) "!---Hello World---!"
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-- Iteration 9 --
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unicode(19) "!---Hello World---!"
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-- Iteration 10 --
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Warning: trim() expects parameter 2 to be string (Unicode or binary), array given in %s on line %d
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NULL
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-- Iteration 11 --
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Warning: trim() expects parameter 2 to be string (Unicode or binary), array given in %s on line %d
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NULL
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-- Iteration 12 --
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Warning: trim() expects parameter 2 to be string (Unicode or binary), array given in %s on line %d
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NULL
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-- Iteration 13 --
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unicode(19) "!---Hello World---!"
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-- Iteration 14 --
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unicode(19) "!---Hello World---!"
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-- Iteration 15 --
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unicode(19) "!---Hello World---!"
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-- Iteration 16 --
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unicode(19) "!---Hello World---!"
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-- Iteration 17 --
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unicode(19) "!---Hello World---!"
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-- Iteration 18 --
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unicode(19) "!---Hello World---!"
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-- Iteration 19 --
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unicode(19) "!---Hello World---!"
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-- Iteration 20 --
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Warning: trim() expects parameter 2 to be string (Unicode or binary), resource given in %s on line %d
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NULL
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-- Iteration 21 --
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unicode(19) "!---Hello World---!"
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-- Iteration 22 --
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unicode(19) "!---Hello World---!"
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===DONE===
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