[clang] [clang][ssaf] Add Entity Linker and associated data structures (PR #181765)

[Aviral Goel via cfe-commits]

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@@ -61,5 +65,16 @@ TEST(EntityIdTest, Transitivity) {
   EXPECT_TRUE(Ids[0] < Ids[1] && Ids[1] < Ids[2]);
 }
 
+TEST(EntityIdTest, StreamOutput) {
+  EntityIdTable Table;
+  EntityName Entity("c:@F at foo", "", {});
+  EntityId Id = Table.getId(Entity);
+
+  std::string S;
+  llvm::raw_string_ostream(S) << Id;
+  EXPECT_THAT(S, StartsWith("EntityId("));
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aviralg wrote:

Got over my anger for Google Test and wrote a custom function to check for digit sequence. The test is now complete. I am not happy with Google Test though.

https://github.com/llvm/llvm-project/pull/181765