[cURL] [bug#77946] Add test for curl_multi_info_read()

ext/curl/tests/bug77946.phpt

@@ -0,0 +1,63 @@
+--TEST--
+Bug #77946 (Errored cURL resources returned by curl_multi_info_read() must be compatible with curl_errno() and curl_error())
+--SKIPIF--
+<?php
+
+if (!extension_loaded('curl')) {
+	exit('skip curl extension not loaded');
+}
+
+?>
+--FILE--
+<?php
+$urls = array(
+    'http://nonexistent.tld',
+);
+
+$mh = curl_multi_init();
+$connMulti = array();
+$connSingle = array();
+
+foreach ($urls as $url) {
+    // multi-curl
+    $h = curl_init($url);
+
+    curl_multi_add_handle($mh, $h);
+    // Use the reource reference as index for both arrays
+    $index = (int) $h;
+    $connMulti[$index] = $h;
+
+    // single-curl
+    $ch = curl_init($url);
+    $connSingle[$index] = $ch;
+}
+
+do {
+    $status = curl_multi_exec($mh, $active);
+    $info = curl_multi_info_read($mh);
+    if (false !== $info) {
+        $index = (int) $info['handle'];
+        echo '"result" offset from curl_multi_info_read(): '.$info['result']."\n";
+        echo 'curl_multi_errno() from multi handle: '.curl_multi_errno($mh)."\n";
+        echo 'curl_errno() from multi handle: '.curl_errno($connMulti[$index])."\n";
+        echo 'curl_error() from multi handle: '.curl_error($connMulti[$index])."\n";
+
+        curl_exec($connSingle[$index]);
+
+        echo 'curl_errno() from single handle: '.curl_errno($connSingle[$index])."\n";
+        echo 'curl_error() from single handle: '.curl_error($connSingle[$index])."\n";
+
+        curl_close($connMulti[$index]);
+        curl_close($connSingle[$index]);
+    }
+} while ($active || CURLM_CALL_MULTI_PERFORM === $status);
+
+curl_multi_close($mh);
+?>
+--EXPECT--
+"result" offset from curl_multi_info_read(): 6
+curl_multi_errno() from multi handle: 6
+curl_errno() from multi handle: 6
+curl_error() from multi handle: Could not resolve host: nonexistent.tld
+curl_errno() from single handle: 6
+curl_error() from single handle: Could not resolve host: nonexistent.tld