tests

test/core/gprpp/BUILD

@@ -415,6 +415,7 @@ grpc_cc_test(
     external_deps = [
         "gtest",
         "absl/strings:str_format",
+        "absl/container:flat_hash_map",
     ],
     language = "c++",
     uses_event_engine = False,

test/core/gprpp/unique_type_name_test.cc

@@ -17,10 +17,14 @@
 #include <iosfwd>
 #include <map>
 
+#include "absl/container/flat_hash_map.h"
 #include "absl/strings/str_format.h"
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
+using testing::Pair;
+using testing::UnorderedElementsAre;
+
 namespace grpc_core {
 
 // Teach gtest to print names usefully.
@@ -113,6 +117,23 @@ TEST(UniqueTypeNameTest, UniqueTypeNameHere) {
   EXPECT_NE(name1, name2);
 }
 
+TEST(UniqueTypenameTest, Stringify) {
+  auto name = GRPC_UNIQUE_TYPE_NAME_HERE("bob");
+  EXPECT_EQ("bob", absl::StrFormat("%v", name));
+}
+
+TEST(UniqueTypeNameTest, Hash) {
+  auto name1 = GRPC_UNIQUE_TYPE_NAME_HERE("name");
+  auto name2 = GRPC_UNIQUE_TYPE_NAME_HERE("name");
+  auto name3 = GRPC_UNIQUE_TYPE_NAME_HERE("other");
+  absl::flat_hash_map<UniqueTypeName, int> m;
+  m[name1] = 1;
+  m[name2] = 2;
+  m[name3] = 3;
+  EXPECT_THAT(
+      m, UnorderedElementsAre(Pair(name1, 1), Pair(name2, 2), Pair(name3, 3)));
+}
+
 }  // namespace
 }  // namespace grpc_core