Net: Standardize HttpByteRange printing

net/http/http_byte_range_unittest.cc

Index: net/http/http_byte_range_unittest.cc
diff --git a/net/http/http_byte_range_unittest.cc b/net/http/http_byte_range_unittest.cc
index 6629a7c3c5973a0e4fbf455b4f56570292fce6db..890a2b5fd5a7ad30c9117b99ce7823d084d2cba3 100644
--- a/net/http/http_byte_range_unittest.cc
+++ b/net/http/http_byte_range_unittest.cc
@@ -76,3 +76,17 @@ TEST(HttpByteRangeTest, SetInstanceSize) {
     }
   }
 }
+
+TEST(HttpByteRangeTest, PrintInterval) {
+  static const struct {
+    net::HttpByteRange range;
+    const char* expected;
+  } tests[] = {{net::HttpByteRange::Bounded(0, 0), "0-0"},
+               {net::HttpByteRange::Bounded(0, 100), "0-100"},
+               {net::HttpByteRange::Bounded(0, -1), "0-"},
+               {net::HttpByteRange::RightUnbounded(100), "100-"},
+               {net::HttpByteRange::Suffix(100), "-100"}, };
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(tests); ++i) {
+    EXPECT_EQ(tests[i].expected, tests[i].range.PrintInterval());
+  }
+}