reason_phrase.c: Fixed shift in HTTP reasons strings.

Added test for HTTP reasons strings.

ChangeLog

@@ -1,3 +1,7 @@
+Tue Apr 26 15:11:00 CEST 2017
+	Fixed shift in HTTP reasons strings.
+	Added test for HTTP reasons strings. -EG
+
 Tue Apr 25 19:11:00 CEST 2017
 	Allow flag MHD_USE_POLL with MHD_USE_THREAD_PER_CONNECTION and without
 	flag MHD_USE_INTERNAL_POLLING_THREAD for backward compatibility. -EG

src/microhttpd/Makefile.am

@@ -142,6 +142,7 @@ endif
 check_PROGRAMS = \
   test_str_compare \
   test_str_to_value \
+  test_http_reasons \
   test_shutdown_select \
   test_shutdown_poll \
   test_daemon
@@ -249,3 +250,7 @@ test_str_compare_SOURCES = \
 
 test_str_to_value_SOURCES = \
   test_str.c test_helpers.h mhd_str.c
+
+test_http_reasons_SOURCES = \
+  test_http_reasons.c \
+  reason_phrase.c microhttpd.h mhd_str.c mhd_str.h

src/microhttpd/reason_phrase.c

@@ -74,7 +74,6 @@ static const char *const two_hundred[] = {
 static const char *const three_hundred[] = {
   "Multiple Choices",
   "Moved Permanently",
-  "Moved Temporarily",
   "Found",
   "See Other",
   "Not Modified",

src/microhttpd/test_http_reasons.c

@@ -0,0 +1,131 @@
+/*
+  This file is part of libmicrohttpd
+  Copyright (C) 2017 Karlson2k (Evgeny Grin)
+
+  This test tool is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License as
+  published by the Free Software Foundation; either version 2, or
+  (at your option) any later version.
+
+  This test tool is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+/**
+ * @file microhttpd/test_http_reasons.c
+ * @brief  Unit tests for MHD_get_reason_phrase_for() function
+ * @author Karlson2k (Evgeny Grin)
+ */
+
+#include "mhd_options.h"
+#include <stdio.h>
+#include "microhttpd.h"
+#include "mhd_str.h"
+
+static int expect_result(int code, const char* expected)
+{
+  const char* const reason = MHD_get_reason_phrase_for(code);
+  if (MHD_str_equal_caseless_(reason, expected))
+    return 0;
+  fprintf(stderr, "Incorrect reason returned for code %d:\n  Returned: \"%s\"  \tExpected: \"%s\"\n",
+          code, reason, expected);
+  return 1;
+}
+
+static int expect_absent(int code)
+{
+  return expect_result(code, "unknown");
+}
+
+static int test_absent_codes(void)
+{
+  int errcount = 0;
+  errcount += expect_absent(0);
+  errcount += expect_absent(1);
+  errcount += expect_absent(50);
+  errcount += expect_absent(99);
+  errcount += expect_absent(600);
+  errcount += expect_absent(601);
+  errcount += expect_absent(900);
+  errcount += expect_absent(10000);
+  return errcount;
+}
+
+static int test_1xx(void)
+{
+  int errcount = 0;
+  errcount += expect_result(MHD_HTTP_CONTINUE, "continue");
+  errcount += expect_result(MHD_HTTP_PROCESSING, "processing");
+  errcount += expect_absent(110);
+  errcount += expect_absent(190);
+  return errcount;
+}
+
+static int test_2xx(void)
+{
+  int errcount = 0;
+  errcount += expect_result(MHD_HTTP_OK, "ok");
+  errcount += expect_result(MHD_HTTP_ALREADY_REPORTED, "already reported");
+  errcount += expect_absent(217);
+  errcount += expect_result(MHD_HTTP_IM_USED, "im used");
+  errcount += expect_absent(230);
+  errcount += expect_absent(295);
+  return errcount;
+}
+
+static int test_3xx(void)
+{
+  int errcount = 0;
+  errcount += expect_result(MHD_HTTP_MULTIPLE_CHOICES, "multiple choices");
+  errcount += expect_result(MHD_HTTP_SEE_OTHER, "see other");
+  errcount += expect_result(MHD_HTTP_PERMANENT_REDIRECT, "permanent redirect");
+  errcount += expect_absent(311);
+  errcount += expect_absent(399);
+  return errcount;
+}
+
+static int test_4xx(void)
+{
+  int errcount = 0;
+  errcount += expect_result(MHD_HTTP_BAD_REQUEST, "bad request");
+  errcount += expect_result(MHD_HTTP_NOT_FOUND, "not found");
+  errcount += expect_result(MHD_HTTP_URI_TOO_LONG, "uri too long");
+  errcount += expect_result(MHD_HTTP_EXPECTATION_FAILED, "expectation failed");
+  errcount += expect_result(MHD_HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE, "request header fields too large");
+  errcount += expect_absent(441);
+  errcount += expect_result(MHD_HTTP_NO_RESPONSE, "no response");
+  errcount += expect_result(MHD_HTTP_UNAVAILABLE_FOR_LEGAL_REASONS, "unavailable for legal reasons");
+  errcount += expect_absent(470);
+  errcount += expect_absent(493);
+  return errcount;
+}
+
+static int test_5xx(void)
+{
+  int errcount = 0;
+  errcount += expect_result(MHD_HTTP_INTERNAL_SERVER_ERROR, "internal server error");
+  errcount += expect_result(MHD_HTTP_BAD_GATEWAY, "bad gateway");
+  errcount += expect_result(MHD_HTTP_HTTP_VERSION_NOT_SUPPORTED, "http version not supported");
+  errcount += expect_result(MHD_HTTP_NETWORK_AUTHENTICATION_REQUIRED, "network authentication required");
+  errcount += expect_absent(520);
+  errcount += expect_absent(597);
+  return errcount;
+}
+
+int main(int argc, char * argv[])
+{
+  int errcount = 0;
+  errcount += test_absent_codes();
+  errcount += test_1xx();
+  errcount += test_2xx();
+  errcount += test_3xx();
+  errcount += test_4xx();
+  errcount += test_5xx();
+  return errcount == 0 ? 0 : 1;
+}