new ltrim, rtrim and str_pad tests

ext/standard/tests/strings/ltrim.phpt

@@ -0,0 +1,83 @@
+--TEST--
+Test ltrim() function
+--FILE--
+<?php
+
+/*  Testing for Error conditions  */
+
+/*  Invalid Number of Arguments */
+
+ echo "\n *** Output for Error Conditions ***\n";
+
+ echo "\n *** Output for zero argument ***\n";
+ var_dump( ltrim() );
+
+ echo "\n *** Output for more than valid number of arguments (Valid are 1 or 2 arguments) ***\n";
+ var_dump( ltrim("", " ", 1) );
+
+/* heredoc string */
+$str = <<<EOD
+us
+ing heredoc string
+EOD;
+
+echo "\n *** Using heredoc string ***\n";
+var_dump( ltrim($str, "\nusi") );
+
+/* Testing the Normal behaviour of ltrim() function */
+
+ echo "\n *** Output for Normal Behaviour ***\n";
+ var_dump ( ltrim(" \t\0    ltrim test") );                      /* without second Argument */
+ var_dump ( ltrim("   ltrim test" , "") );                       /* no characters in second Argument */
+ var_dump ( ltrim("        ltrim test", NULL) );                 /* with NULL as second Argument */
+ var_dump ( ltrim("        ltrim test", true) );                 /* with boolean value as second Argument */
+ var_dump ( ltrim("        ltrim test", " ") );                  /* with single space as second Argument */
+ var_dump ( ltrim("\t\n\r\0\x0B ltrim test", "\t\n\r\0\x0B") );  /* with multiple escape sequences as second Argument */
+ var_dump ( ltrim("ABCXYZltrim test", "A..Z") );                 /* with characters range as second Argument */
+ var_dump ( ltrim("0123456789ltrim test", "0..9") );             /* with numbers range as second Argument */
+ var_dump ( ltrim("@$#ltrim test", "#@$") );                     /* with some special characters as second Argument */
+ 
+
+ echo "\n *** Output for  scalar argument) ***\n";
+ var_dump( ltrim(  12345  ) );                                   /* Scalar argument */
+
+ echo "\n *** Output for  NULL argument) ***\n";
+ var_dump( ltrim(NULL) );                                        /* NULL Argument */
+
+echo "\nDone\n";
+
+?>
+--EXPECTF--
+*** Output for Error Conditions ***
+
+ *** Output for zero argument ***
+
+Warning: Wrong parameter count for ltrim() in %s on line %d
+NULL
+
+ *** Output for more than valid number of arguments (Valid are 1 or 2 arguments) ***
+
+Warning: Wrong parameter count for ltrim() in %s on line %d
+NULL
+
+ *** Using heredoc string ***
+string(17) "ng heredoc string"
+
+ *** Output for Normal Behaviour ***
+string(10) "ltrim test"
+string(13) "   ltrim test"
+string(18) "        ltrim test"
+string(18) "        ltrim test"
+string(10) "ltrim test"
+string(11) " ltrim test"
+string(10) "ltrim test"
+string(10) "ltrim test"
+string(10) "ltrim test"
+
+ *** Output for  scalar argument) ***
+string(5) "12345"
+
+ *** Output for  NULL argument) ***
+string(0) ""
+
+Done