Net: Standardize HttpByteRange printing

net/http/http_util_unittest.cc

Index: net/http/http_util_unittest.cc
diff --git a/net/http/http_util_unittest.cc b/net/http/http_util_unittest.cc
index fe2d8b47496ea29b529596d65dd3e22e9e54e8e7..6683717ba05750cdefbe22335d604a0a247a16fe 100644
--- a/net/http/http_util_unittest.cc
+++ b/net/http/http_util_unittest.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include <algorithm>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string_util.h"
@@ -850,6 +851,18 @@ TEST(HttpUtilTest, ParseRanges) {
   }
 }
 
+TEST(HttpUtilTest, PrintRanges) {
+  std::vector<net::HttpByteRange> ranges;
+  ranges.push_back(net::HttpByteRange::Bounded(0, 100));
+  ranges.push_back(net::HttpByteRange::RightUnbounded(200));
+  EXPECT_EQ("bytes=0-100,200-", net::HttpUtil::PrintRanges(ranges));
+
+  ranges.clear();
+  ranges.push_back(net::HttpByteRange::Bounded(0, 100));
+  ranges.push_back(net::HttpByteRange::Suffix(1000));
+  EXPECT_EQ("bytes=0-100,-1000", net::HttpUtil::PrintRanges(ranges));
+}
+
 namespace {
 void CheckCurrentNameValuePair(HttpUtil::NameValuePairsIterator* parser,
                                bool expect_valid,