[clangd] Avoid redundant testcases in rename unittest, NFC.

Reviewers: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D73035

clang-tools-extra/clangd/refactor/Rename.cpp

@@ -215,7 +215,7 @@ std::vector<SourceLocation> findOccurrencesWithinFile(ParsedAST &AST,
   // getUSRsForDeclaration will find other related symbols, e.g. virtual and its
   // overriddens, primary template and all explicit specializations.
   // FIXME: Get rid of the remaining tooling APIs.
-  const auto RenameDecl =
+  const auto *RenameDecl =
       ND.getDescribedTemplate() ? ND.getDescribedTemplate() : &ND;
   std::vector<std::string> RenameUSRs =
       tooling::getUSRsForDeclaration(RenameDecl, AST.getASTContext());

clang-tools-extra/clangd/unittests/RenameTests.cpp

@@ -722,7 +722,7 @@ TEST(CrossFileRenameTests, WithUpToDateIndex) {
     void onDiagnosticsReady(PathRef File,
                             std::vector<Diag> Diagnostics) override {}
   } DiagConsumer;
-  // rename is runnning on the "^" point in FooH, and "[[]]" ranges are the
+  // rename is runnning on all "^" points in FooH, and "[[]]" ranges are the
   // expected rename occurrences.
   struct Case {
     llvm::StringRef FooH;
@@ -763,28 +763,10 @@ TEST(CrossFileRenameTests, WithUpToDateIndex) {
       )cpp",
       },
       {
-          // Constructor.
+          // rename on constructor and destructor.
           R"cpp(
         class [[Foo]] {
           [[^Foo]]();
-          ~[[Foo]]();
-        };
-      )cpp",
-          R"cpp(
-        #include "foo.h"
-        [[Foo]]::[[Foo]]() {}
-        [[Foo]]::~[[Foo]]() {}
-
-        void func() {
-          [[Foo]] foo;
-        }
-      )cpp",
-      },
-      {
-          // Destructor (selecting before the identifier).
-          R"cpp(
-        class [[Foo]] {
-          [[Foo]]();
           ~[[Foo^]]();
         };
       )cpp",
@@ -891,14 +873,17 @@ TEST(CrossFileRenameTests, WithUpToDateIndex) {
     runAddDocument(Server, FooCCPath, FooCC.code());
 
     llvm::StringRef NewName = "NewName";
+    for (const auto &RenamePos : FooH.points()) {
       auto FileEditsList =
-        llvm::cantFail(runRename(Server, FooHPath, FooH.point(), NewName));
-    EXPECT_THAT(applyEdits(std::move(FileEditsList)),
+          llvm::cantFail(runRename(Server, FooHPath, RenamePos, NewName));
+      EXPECT_THAT(
+          applyEdits(std::move(FileEditsList)),
           UnorderedElementsAre(
               Pair(Eq(FooHPath), Eq(expectedResult(T.FooH, NewName))),
               Pair(Eq(FooCCPath), Eq(expectedResult(T.FooCC, NewName)))));
     }
   }
+}
 
 TEST(CrossFileRenameTests, CrossFileOnLocalSymbol) {
   // cross-file rename should work for function-local symbols, even there is no