From 464be27479925e727eea688da93704aff7e17a1e Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 23 Aug 2004 14:40:43 +0000
Subject: Provide support for "transferring" zero bytes FTP files and comparing
 that the output file actually is zero bytes after the transfer.

---
 tests/FILEFORMAT   | 8 ++++++--
 tests/ftpserver.pl | 4 +++-
 tests/runtests.pl  | 2 +-
 3 files changed, 10 insertions(+), 4 deletions(-)

(limited to 'tests')

diff --git a/tests/FILEFORMAT b/tests/FILEFORMAT
index 2ccd45f5f..e7245bc3f 100644
--- a/tests/FILEFORMAT
+++ b/tests/FILEFORMAT
@@ -14,8 +14,8 @@ specified, that will be checked/used if specified. This document includes all
 the subsections currently supported.
 
 <reply>
-<data [nocheck=1]>
-data to sent to the client on its request and later verified that it arrived
+<data [nocheck=1] [sendzero=yes]>
+§data to sent to the client on its request and later verified that it arrived
 safely. Set the nocheck=1 to prevent the test script to verify the arrival
 of this data.
 
@@ -27,6 +27,10 @@ If the data contains 'swsbounce' anywhere within the start and end tag, the
 HTTP server will detect if this is a second request using the same test and
 part number and will then increase the part number with one. This is useful
 for auth tests and similar.
+
+'sendzero' set to yes means that the (FTP) server will "send" the data even if
+the size is zero bytes. Used to verify curl's behaviour on zero bytes
+transfers.
 </data>
 <dataNUM>
 Send back this contents instead of the <data> one. The num is set by:
diff --git a/tests/ftpserver.pl b/tests/ftpserver.pl
index 9a171331c..af79fc5d3 100644
--- a/tests/ftpserver.pl
+++ b/tests/ftpserver.pl
@@ -318,7 +318,9 @@ sub RETR_command {
         $size += length($_);
     }
 
-    if($size) {
+    my %hash = getpartattr("reply", "data");
+
+    if($size || $hash{'sendzero'}) {
     
         if($rest) {
             # move read pointer forward
diff --git a/tests/runtests.pl b/tests/runtests.pl
index 526d331e6..18b7e83ef 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -1147,7 +1147,7 @@ sub singletest {
     }
 
     my %replyattr = getpartattr("reply", "data");
-    if(!$replyattr{'nocheck'} && @reply) {
+    if(!$replyattr{'nocheck'} && (@reply || $replyattr{'sendzero'})) {
         # verify the received data
         my @out = loadarray($CURLOUT);
         $res = compare("data", \@out, \@reply);
-- 
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