1 files changed, 43 insertions, 0 deletions
diff --git a/ext/standard/tests/file/is_dir_basic.phpt b/ext/standard/tests/file/is_dir_basic.phpt
new file mode 100644
index 0000000..7265d50
--- /dev/null
+++ b/ext/standard/tests/file/is_dir_basic.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test is_dir() function: basic functionality
+--FILE--
+<?php
+/* Prototype: bool is_dir ( string $filename );
+   Description: Tells whether the filename is a regular file
+     Returns TRUE if the filename exists and is a regular file
+*/
+
+echo "*** Testing is_dir(): basic functionality ***\n";
+$file_path = dirname(__FILE__);
+var_dump( is_dir($file_path) );
+clearstatcache();
+var_dump( is_dir(".") );
+var_dump( is_dir(__FILE__) );  // expected: bool(false)
+
+$dir_name = $file_path."/is_dir_basic";
+mkdir($dir_name);
+var_dump( is_dir($dir_name) );
+
+echo "*** Testing is_dir() for its return value type ***\n";
+var_dump( is_bool( is_dir($file_path) ) );
+var_dump( is_bool( is_dir("/no/such/dir") ) );
+
+echo "*** Done ***";
+?>
+--CLEAN--
+<?php
+$file_path = dirname(__FILE__);
+$dir_name = $file_path."/is_dir_basic";
+rmdir($dir_name);
+?>
+
+--EXPECTF--
+*** Testing is_dir(): basic functionality ***
+bool(true)
+bool(true)
+bool(false)
+bool(true)
+*** Testing is_dir() for its return value type ***
+bool(true)
+bool(true)
+*** Done ***