base: Move SplitStringUsingSubstr functions from string_util.h to string_split.h

base/string_util_unittest.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <math.h>
 #include <stdarg.h>
 
 #include <limits>
 #include <sstream>
 
@@ skipping 1212 matching lines @@
   EXPECT_TRUE(ContainsOnlyChars("", ""));
   EXPECT_FALSE(ContainsOnlyChars("Hello", ""));
 
   EXPECT_TRUE(ContainsOnlyChars("", "1234"));
   EXPECT_TRUE(ContainsOnlyChars("1", "1234"));
   EXPECT_TRUE(ContainsOnlyChars("1", "4321"));
   EXPECT_TRUE(ContainsOnlyChars("123", "4321"));
   EXPECT_FALSE(ContainsOnlyChars("123a", "4321"));
 }
 
-TEST(SplitStringUsingSubstrTest, EmptyString) {
-  std::vector<std::string> results;
-  SplitStringUsingSubstr("", "DELIMITER", &results);
-  ASSERT_EQ(1u, results.size());
-  EXPECT_THAT(results, ElementsAre(""));
-}
-
-TEST(SplitStringUsingSubstrTest, StringWithNoDelimiter) {
-  std::vector<std::string> results;
-  SplitStringUsingSubstr("alongwordwithnodelimiter", "DELIMITER", &results);
-  ASSERT_EQ(1u, results.size());
-  EXPECT_THAT(results, ElementsAre("alongwordwithnodelimiter"));
-}
-
-TEST(SplitStringUsingSubstrTest, LeadingDelimitersSkipped) {
-  std::vector<std::string> results;
-  SplitStringUsingSubstr(
-      "DELIMITERDELIMITERDELIMITERoneDELIMITERtwoDELIMITERthree",
-      "DELIMITER",
-      &results);
-  ASSERT_EQ(6u, results.size());
-  EXPECT_THAT(results, ElementsAre("", "", "", "one", "two", "three"));
-}
-
-TEST(SplitStringUsingSubstrTest, ConsecutiveDelimitersSkipped) {
-  std::vector<std::string> results;
-  SplitStringUsingSubstr(
-      "unoDELIMITERDELIMITERDELIMITERdosDELIMITERtresDELIMITERDELIMITERcuatro",
-      "DELIMITER",
-      &results);
-  ASSERT_EQ(7u, results.size());
-  EXPECT_THAT(results, ElementsAre("uno", "", "", "dos", "tres", "", "cuatro"));
-}
-
-TEST(SplitStringUsingSubstrTest, TrailingDelimitersSkipped) {
-  std::vector<std::string> results;
-  SplitStringUsingSubstr(
-      "unDELIMITERdeuxDELIMITERtroisDELIMITERquatreDELIMITERDELIMITERDELIMITER",
-      "DELIMITER",
-      &results);
-  ASSERT_EQ(7u, results.size());
-  EXPECT_THAT(
-      results, ElementsAre("un", "deux", "trois", "quatre", "", "", ""));
-}
-
 }  // namespace base