1 files changed, 50 insertions, 0 deletions
diff --git a/ext/zlib/tests/readgzfile_variation3.phpt b/ext/zlib/tests/readgzfile_variation3.phpt
new file mode 100644
index 0000000..6645d67
--- /dev/null
+++ b/ext/zlib/tests/readgzfile_variation3.phpt
@@ -0,0 +1,50 @@
+--TEST--
+Test function readgzfile() by substituting agument 1 with emptyUnsetUndefNull values.
+--SKIPIF--
+<?php
+if (!extension_loaded('zlib')) die ('skip zlib extension not available in this build');
+?>
+--FILE--
+<?php
+
+
+$use_include_path = false;
+
+
+$unset_var = 10;
+unset($unset_var);
+
+$variation = array(
+  'unset var' => @$unset_var,
+  'undefined var' => @$undefined_var,
+  'empty string DQ' => "",
+  'empty string SQ' => '',
+  'uppercase NULL' => NULL,
+  'lowercase null' => null,
+  );
+
+
+foreach ( $variation as $var ) {
+  var_dump(readgzfile( $var ,  $use_include_path ) );
+}
+?>
+===DONE===
+--EXPECTF--
+Warning: readgzfile(): Filename cannot be empty in %s on line %d
+bool(false)
+
+Warning: readgzfile(): Filename cannot be empty in %s on line %d
+bool(false)
+
+Warning: readgzfile(): Filename cannot be empty in %s on line %d
+bool(false)
+
+Warning: readgzfile(): Filename cannot be empty in %s on line %d
+bool(false)
+
+Warning: readgzfile(): Filename cannot be empty in %s on line %d
+bool(false)
+
+Warning: readgzfile(): Filename cannot be empty in %s on line %d
+bool(false)
+===DONE===
+\ No newline at end of file