ext/curl: add tests for CURLOPT_INFILESIZE(_LARGE)

Author: Ayesh

ext/curl/tests/Caddyfile

@@ -12,6 +12,11 @@ respond /serverpush "main response"
 respond /serverpush/pushed "pushed response"
 push /serverpush /serverpush/pushed
 
+route /show_upload_size {
+    templates
+    respond `Content-length: ={{.Req.Header.Get "Content-length"}}=`
+}
+
 basic_auth /http-basic-auth {
 	# bcrypt password hash for "password", calculated with 'caddy hash-password'
 	user $2a$14$yUKl9SGqVTAAqPTzLup.DefsbXXx3kfreNnzpJOUHcIrKnr5lgef2

ext/curl/tests/curl_setopt_CURLOPT_INFILESIZE_LARGE.phpt

@@ -0,0 +1,58 @@
+--TEST--
+Curl option CURLOPT_INFILESIZE_LARGE
+--EXTENSIONS--
+curl
+--SKIPIF--
+<?php
+include 'skipif-nocaddy.inc';
+?>
+--FILE--
+<?php
+$ch = curl_init("https://localhost/show_upload_size");
+$f = fopen(__FILE__,"r");
+var_dump(curl_setopt_array($ch, [
+    CURLOPT_RETURNTRANSFER => true,
+    CURLOPT_UPLOAD => true,
+    CURLOPT_INFILE => $f,
+    CURLOPT_INFILESIZE => filesize(__FILE__),
+    CURLOPT_CONNECTTIMEOUT => 3,
+    CURLOPT_TIMEOUT => 3,
+    CURLOPT_SSL_VERIFYHOST => 0,
+    CURLOPT_SSL_VERIFYPEER => 0,
+]));
+
+var_dump(curl_exec($ch));
+
+var_dump(curl_setopt($ch, CURLOPT_INFILESIZE, -1));
+var_dump(curl_exec($ch));
+
+var_dump(curl_setopt($ch, CURLOPT_INFILESIZE_LARGE, -1));
+var_dump(curl_exec($ch));
+
+rewind($f);
+var_dump(curl_setopt($ch, CURLOPT_INFILESIZE, filesize(__FILE__)));
+var_dump(curl_exec($ch));
+var_dump(curl_setopt($ch, CURLOPT_INFILESIZE_LARGE, -1));
+var_dump(curl_exec($ch));
+
+rewind($f);
+var_dump(curl_setopt($ch, CURLOPT_INFILESIZE_LARGE, filesize(__FILE__)));
+var_dump(curl_exec($ch));
+
+var_dump(curl_error($ch));
+
+?>
+--EXPECTF--
+bool(true)
+string(21) "Content-length: =%d="
+bool(true)
+string(18) "Content-length: =="
+bool(true)
+string(18) "Content-length: =="
+bool(true)
+string(21) "Content-length: =%d="
+bool(true)
+string(18) "Content-length: =="
+bool(true)
+string(21) "Content-length: =%d="
+string(0) ""