added basic tests

Author: dwgebler

ext/standard/tests/file/fsync.phpt

@@ -0,0 +1,64 @@
+--TEST--
+Test fsync() function: basic functionality
+--FILE--
+<?php
+
+echo "*** Testing fsync(): 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 = __DIR__;
+$filename = "$file_path/fsync_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, $data) );
+var_dump( fsync($file_handle) );
+var_dump( readfile($filename) );
+
+echo "\n*** Testing fsync(): for return type ***\n";
+$return_value = fsync($file_handle);
+var_dump( is_bool($return_value) );
+fclose($file_handle);
+
+echo "\n*** Testing fsync(): for non-file stream ***\n";
+$file_handle = fopen("php://memory", "w");
+$return_value = fsync($file_handle);
+var_dump( ($return_value) );
+fclose($file_handle);
+
+echo "\n*** Done ***";
+?>
+--CLEAN--
+<?php
+$file_path = __DIR__;
+$filename = "$file_path/fsync_basic.tmp";
+unlink($filename);
+?>
+--EXPECT--
+*** Testing fsync(): 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 fsync(): for return type ***
+bool(true)
+
+*** Testing fsync(): for non-file stream ***
+Warning: fsync(): Can't fsync this stream!
+bool(false)
+
+*** Done ***