Catching more errors when parsing ICE server URLs.

webrtc/base/stringencode_unittest.cc

Index: webrtc/base/stringencode_unittest.cc
diff --git a/webrtc/base/stringencode_unittest.cc b/webrtc/base/stringencode_unittest.cc
index 77fae35fb90da75c840fb263cbe4b7f155fd7b63..406d9c7d4aa599d0d69cbcd51e85f206fb4cec8c 100644
--- a/webrtc/base/stringencode_unittest.cc
+++ b/webrtc/base/stringencode_unittest.cc
@@ -298,6 +298,22 @@ TEST(TokenizeTest, TokenizeWithMarks) {
   ASSERT_STREQ("E F", fields.at(3).c_str());
 }
 
+TEST(TokenizeTest, TokenizeWithEmptyTokens) {
+  std::vector<std::string> fields;
+  EXPECT_EQ(3ul, tokenize_with_empty_tokens("a.b.c", '.', &fields));
+  EXPECT_EQ("a", fields[0]);
+  EXPECT_EQ("b", fields[1]);
+  EXPECT_EQ("c", fields[2]);
+
+  EXPECT_EQ(3ul, tokenize_with_empty_tokens("..c", '.', &fields));
+  EXPECT_TRUE(fields[0].empty());
+  EXPECT_TRUE(fields[1].empty());
+  EXPECT_EQ("c", fields[2]);
+
+  EXPECT_EQ(1ul, tokenize_with_empty_tokens("", '.', &fields));
+  EXPECT_TRUE(fields[0].empty());
+}
+
 TEST(TokenizeFirstTest, NoLeadingSpaces) {
   std::string token;
   std::string rest;
@@ -428,4 +444,5 @@ TEST(BoolTest, RoundTrip) {
   EXPECT_TRUE(FromString(ToString(false), &value));
   EXPECT_FALSE(value);
 }
+
 }  // namespace rtc