Filter: Add tests for invalid min_len/max_len options

Author: masakielastic

ext/filter/tests/validate_str_invalid_options.phpt

@@ -0,0 +1,37 @@
+--TEST--
+FILTER_VALIDATE_STR: invalid min_len/max_len options
+--FILE--
+<?php
+
+echo "--- min_len negative ---\n";
+var_dump(filter_var("abc", FILTER_VALIDATE_STR, [
+    "options" => ["min_len" => -1]
+]));
+
+echo "--- max_len negative ---\n";
+var_dump(filter_var("abc", FILTER_VALIDATE_STR, [
+    "options" => ["max_len" => -1]
+]));
+
+echo "--- min_len greater than max_len ---\n";
+var_dump(filter_var("abc", FILTER_VALIDATE_STR, [
+    "options" => [
+        "min_len" => 10,
+        "max_len" => 5
+    ]
+]));
+
+?>
+--EXPECTF--
+--- min_len negative ---
+
+Warning: filter_var(): min_len must be greater than or equal to 0 in %s on line %d
+bool(false)
+--- max_len negative ---
+
+Warning: filter_var(): max_len must be greater than or equal to 0 in %s on line %d
+bool(false)
+--- min_len greater than max_len ---
+
+Warning: filter_var(): min_len must be less than or equal to max_len in %s on line %d
+bool(false)