Add additional tests in str_split_test.cc

PiperOrigin-RevId: 884611329
Change-Id: I5944333d11c85867652fc5e596020381c445d562

absl/strings/BUILD.bazel

diff --git a/absl/strings/BUILD.bazel b/absl/strings/BUILD.bazel
index 6762ecd..69bdbf9 100644
--- a/absl/strings/BUILD.bazel
+++ b/absl/strings/BUILD.bazel
@@ -1114,6 +1114,7 @@
         "//absl/container:btree",
         "//absl/container:flat_hash_map",
         "//absl/container:node_hash_map",
+        "//absl/hash",
         "@googletest//:gtest",
         "@googletest//:gtest_main",
     ],

absl/strings/CMakeLists.txt

diff --git a/absl/strings/CMakeLists.txt b/absl/strings/CMakeLists.txt
index 50c6b11..c49a7af 100644
--- a/absl/strings/CMakeLists.txt
+++ b/absl/strings/CMakeLists.txt
@@ -397,6 +397,7 @@
     absl::dynamic_annotations
     absl::btree
     absl::flat_hash_map
+    absl::hash
     absl::node_hash_map
     GTest::gmock_main
 )

absl/strings/str_split_test.cc

diff --git a/absl/strings/str_split_test.cc b/absl/strings/str_split_test.cc
index c17c472..aa22ca4 100644
--- a/absl/strings/str_split_test.cc
+++ b/absl/strings/str_split_test.cc
@@ -36,6 +36,7 @@
 #include "absl/container/btree_set.h"
 #include "absl/container/flat_hash_map.h"
 #include "absl/container/node_hash_map.h"
+#include "absl/hash/hash.h"
 #include "absl/strings/string_view.h"
 
 namespace {
@@ -422,6 +423,9 @@
   TestConversionOperator<absl::btree_multiset<absl::string_view>>(splitter);
   TestConversionOperator<absl::btree_multiset<std::string>>(splitter);
   TestConversionOperator<std::unordered_set<std::string>>(splitter);
+  TestConversionOperator<
+      std::unordered_set<absl::string_view, absl::Hash<absl::string_view>>>(
+      splitter);
 
   // Tests conversion to map-like objects.
 
@@ -455,6 +459,15 @@
       splitter);
   TestMapConversionOperator<std::unordered_map<std::string, std::string>>(
       splitter);
+  TestMapConversionOperator<std::unordered_map<
+      absl::string_view, absl::string_view, absl::Hash<absl::string_view>>>(
+      splitter);
+  TestMapConversionOperator<std::unordered_map<absl::string_view, std::string,
+                                               absl::Hash<absl::string_view>>>(
+      splitter);
+  TestMapConversionOperator<std::unordered_map<std::string, absl::string_view,
+                                               absl::Hash<absl::string_view>>>(
+      splitter);
   TestMapConversionOperator<
       absl::node_hash_map<absl::string_view, absl::string_view>>(splitter);
   TestMapConversionOperator<