New trim() tests. Tested on Windows, Linux and Linux 64 bit

1 files changed, 61 insertions, 0 deletions

diff --git a/ext/standard/tests/strings/trim_error.phpt b/ext/standard/tests/strings/trim_error.phpt
new file mode 100644
index 0000000000..092deb6dca
--- /dev/null
+++ b/ext/standard/tests/strings/trim_error.phpt
@@ -0,0 +1,61 @@
+--TEST--
+Test trim() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype  : string trim  ( string $str  [, string $charlist  ] )
+ * Description: Strip whitespace (or other characters) from the begining and end of a string.
+ * Source code: ext/standard/string.c
+*/
+
+
+echo "*** Testing trim() : error conditions ***\n";
+
+echo "\n-- Testing trim() function with no arguments --\n";
+var_dump( trim() );
+
+echo "\n-- Testing trim() function with more than expected no. of arguments --\n";
+$extra_arg = 10;
+var_dump( trim("Hello World",  "Heo", $extra_arg) );
+
+
+$hello = "  Hello World\n";
+echo "\n-- Test trim function with various invalid charlists --\n";
+var_dump(trim($hello, "..a"));
+var_dump(trim($hello, "a.."));
+var_dump(trim($hello, "z..a"));
+var_dump(trim($hello, "a..b..c"));
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing trim() : error conditions ***
+
+-- Testing trim() function with no arguments --
+
+Warning: trim() expects at least 1 parameter, 0 given in %s on line %d
+NULL
+
+-- Testing trim() function with more than expected no. of arguments --
+
+Warning: trim() expects at most 2 parameters, 3 given in %s on line %d
+NULL
+
+-- Test trim function with various invalid charlists --
+
+Warning: trim(): Invalid '..'-range, no character to the left of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: trim(): Invalid '..'-range, no character to the right of '..' in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: trim(): Invalid '..'-range, '..'-range needs to be incrementing in %s on line %d
+string(14) "  Hello World
+"
+
+Warning: trim(): Invalid '..'-range in %s on line %d
+string(14) "  Hello World
+"
+===DONE===
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