1 files changed, 58 insertions, 0 deletions
diff --git a/ext/standard/tests/file/fflush_basic.phpt b/ext/standard/tests/file/fflush_basic.phpt
new file mode 100644
index 0000000..f375c4f
--- /dev/null
+++ b/ext/standard/tests/file/fflush_basic.phpt
@@ -0,0 +1,58 @@
+--TEST--
+Test fflush() function: basic functionality
+--FILE--
+<?php
+/*  Prototype: bool fflush ( resource $handle );
+    Description: Flushes the output to a file
+*/
+
+echo "*** Testing fflush(): writing to a file and reading the contents ***\n";
+$data = <<<EOD
+first line of string
+second line of string
+third line of string
+EOD;
+
+$file_path = dirname(__FILE__);
+$filename = "$file_path/fflush_basic.tmp";
+
+// opening a file
+$file_handle = fopen($filename, "w");
+if($file_handle == false)
+  exit("Error:failed to open file $filename");
+
+if(substr(PHP_OS, 0, 3) == "WIN")  {
+	$data = str_replace("\r",'', $data);
+}
+
+// writing data to the file
+var_dump( fwrite($file_handle, $data) );
+var_dump( fflush($file_handle) );
+var_dump( readfile($filename) );
+
+echo "\n*** Testing fflush(): for return type ***\n";
+$return_value = fflush($file_handle);
+var_dump( is_bool($return_value) );
+fclose($file_handle);
+echo "\n*** Done ***";
+?>
+
+--CLEAN--
+<?php
+$file_path = dirname(__FILE__);
+$filename = "$file_path/fflush_basic.tmp";
+unlink($filename);
+?>
+
+--EXPECTF--
+*** Testing fflush(): writing to a file and reading the contents ***
+int(63)
+bool(true)
+first line of string
+second line of string
+third line of stringint(63)
+
+*** Testing fflush(): for return type ***
+bool(true)
+
+*** Done ***