forked from OSchip/llvm-project
575 lines
14 KiB
C++
575 lines
14 KiB
C++
//===-- RenameFunctionTest.cpp - unit tests for renaming functions --------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "ClangRenameTest.h"
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namespace clang {
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namespace clang_rename {
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namespace test {
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namespace {
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class RenameFunctionTest : public ClangRenameTest {
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public:
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RenameFunctionTest() {
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AppendToHeader(R"(
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struct A {
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static bool Foo();
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static bool Spam();
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};
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struct B {
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static void Same();
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static bool Foo();
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static int Eric(int x);
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};
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void Same(int x);
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int Eric(int x);
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namespace base {
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void Same();
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void ToNanoSeconds();
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void ToInt64NanoSeconds();
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})");
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}
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};
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TEST_F(RenameFunctionTest, RefactorsAFoo) {
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std::string Before = R"(
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void f() {
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A::Foo();
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::A::Foo();
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})";
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std::string Expected = R"(
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void f() {
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A::Bar();
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::A::Bar();
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})";
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std::string After = runClangRenameOnCode(Before, "A::Foo", "A::Bar");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, RefactorsNonCallingAFoo) {
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std::string Before = R"(
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bool g(bool (*func)()) {
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return func();
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}
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void f() {
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auto *ref1 = A::Foo;
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auto *ref2 = ::A::Foo;
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g(A::Foo);
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})";
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std::string Expected = R"(
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bool g(bool (*func)()) {
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return func();
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}
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void f() {
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auto *ref1 = A::Bar;
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auto *ref2 = ::A::Bar;
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g(A::Bar);
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})";
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std::string After = runClangRenameOnCode(Before, "A::Foo", "A::Bar");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, RefactorsEric) {
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std::string Before = R"(
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void f() {
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if (Eric(3)==4) ::Eric(2);
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})";
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std::string Expected = R"(
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void f() {
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if (Larry(3)==4) ::Larry(2);
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})";
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std::string After = runClangRenameOnCode(Before, "Eric", "Larry");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, RefactorsNonCallingEric) {
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std::string Before = R"(
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int g(int (*func)(int)) {
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return func(1);
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}
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void f() {
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auto *ref = ::Eric;
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g(Eric);
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})";
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std::string Expected = R"(
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int g(int (*func)(int)) {
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return func(1);
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}
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void f() {
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auto *ref = ::Larry;
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g(Larry);
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})";
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std::string After = runClangRenameOnCode(Before, "Eric", "Larry");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, DoesNotRefactorBFoo) {
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std::string Before = R"(
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void f() {
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B::Foo();
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})";
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std::string After = runClangRenameOnCode(Before, "A::Foo", "A::Bar");
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CompareSnippets(Before, After);
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}
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TEST_F(RenameFunctionTest, DoesNotRefactorBEric) {
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std::string Before = R"(
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void f() {
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B::Eric(2);
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})";
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std::string After = runClangRenameOnCode(Before, "Eric", "Larry");
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CompareSnippets(Before, After);
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}
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TEST_F(RenameFunctionTest, DoesNotRefactorCEric) {
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std::string Before = R"(
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namespace C { int Eric(int x); }
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void f() {
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if (C::Eric(3)==4) ::C::Eric(2);
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})";
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std::string Expected = R"(
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namespace C { int Eric(int x); }
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void f() {
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if (C::Eric(3)==4) ::C::Eric(2);
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})";
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std::string After = runClangRenameOnCode(Before, "Eric", "Larry");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, DoesNotRefactorEricInNamespaceC) {
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std::string Before = R"(
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namespace C {
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int Eric(int x);
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void f() {
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if (Eric(3)==4) Eric(2);
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}
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} // namespace C)";
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std::string After = runClangRenameOnCode(Before, "Eric", "Larry");
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CompareSnippets(Before, After);
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}
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TEST_F(RenameFunctionTest, NamespaceQualified) {
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std::string Before = R"(
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void f() {
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base::ToNanoSeconds();
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::base::ToNanoSeconds();
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}
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void g() {
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using base::ToNanoSeconds;
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base::ToNanoSeconds();
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::base::ToNanoSeconds();
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ToNanoSeconds();
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}
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namespace foo {
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namespace base {
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void ToNanoSeconds();
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void f() {
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base::ToNanoSeconds();
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}
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}
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void f() {
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::base::ToNanoSeconds();
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}
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})";
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std::string Expected = R"(
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void f() {
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base::ToInt64NanoSeconds();
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::base::ToInt64NanoSeconds();
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}
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void g() {
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using base::ToInt64NanoSeconds;
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base::ToInt64NanoSeconds();
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::base::ToInt64NanoSeconds();
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base::ToInt64NanoSeconds();
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}
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namespace foo {
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namespace base {
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void ToNanoSeconds();
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void f() {
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base::ToNanoSeconds();
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}
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}
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void f() {
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::base::ToInt64NanoSeconds();
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}
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})";
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std::string After = runClangRenameOnCode(Before, "base::ToNanoSeconds",
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"base::ToInt64NanoSeconds");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, RenameFunctionDecls) {
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std::string Before = R"(
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namespace na {
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void X();
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void X() {}
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})";
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std::string Expected = R"(
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namespace na {
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void Y();
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void Y() {}
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})";
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std::string After = runClangRenameOnCode(Before, "na::X", "na::Y");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, RenameTemplateFunctions) {
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std::string Before = R"(
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namespace na {
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template<typename T> T X();
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}
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namespace na { void f() { X<int>(); } }
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namespace nb { void g() { na::X <int>(); } }
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)";
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std::string Expected = R"(
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namespace na {
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template<typename T> T Y();
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}
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namespace na { void f() { nb::Y<int>(); } }
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namespace nb { void g() { Y<int>(); } }
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)";
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std::string After = runClangRenameOnCode(Before, "na::X", "nb::Y");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, RenameOutOfLineFunctionDecls) {
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std::string Before = R"(
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namespace na {
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void X();
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}
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void na::X() {}
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)";
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std::string Expected = R"(
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namespace na {
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void Y();
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}
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void na::Y() {}
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)";
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std::string After = runClangRenameOnCode(Before, "na::X", "na::Y");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, NewNamespaceWithoutLeadingDotDot) {
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std::string Before = R"(
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namespace old_ns {
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void X();
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void X() {}
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}
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// Assume that the reference is in another file.
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void f() { old_ns::X(); }
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namespace old_ns { void g() { X(); } }
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namespace new_ns { void h() { ::old_ns::X(); } }
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)";
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std::string Expected = R"(
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namespace old_ns {
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void Y();
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void Y() {}
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}
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// Assume that the reference is in another file.
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void f() { new_ns::Y(); }
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namespace old_ns { void g() { new_ns::Y(); } }
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namespace new_ns { void h() { Y(); } }
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)";
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std::string After = runClangRenameOnCode(Before, "::old_ns::X", "new_ns::Y");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, NewNamespaceWithLeadingDotDot) {
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std::string Before = R"(
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namespace old_ns {
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void X();
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void X() {}
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}
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// Assume that the reference is in another file.
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void f() { old_ns::X(); }
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namespace old_ns { void g() { X(); } }
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namespace new_ns { void h() { ::old_ns::X(); } }
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)";
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std::string Expected = R"(
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namespace old_ns {
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void Y();
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void Y() {}
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}
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// Assume that the reference is in another file.
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void f() { ::new_ns::Y(); }
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namespace old_ns { void g() { ::new_ns::Y(); } }
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namespace new_ns { void h() { Y(); } }
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)";
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std::string After =
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runClangRenameOnCode(Before, "::old_ns::X", "::new_ns::Y");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, DontRenameSymbolsDefinedInAnonymousNamespace) {
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std::string Before = R"(
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namespace old_ns {
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class X {};
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namespace {
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void X();
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void X() {}
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void f() { X(); }
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}
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}
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)";
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std::string Expected = R"(
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namespace old_ns {
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class Y {};
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namespace {
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void X();
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void X() {}
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void f() { X(); }
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}
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}
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)";
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std::string After =
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runClangRenameOnCode(Before, "::old_ns::X", "::old_ns::Y");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, NewNestedNamespace) {
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std::string Before = R"(
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namespace old_ns {
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void X();
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void X() {}
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}
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// Assume that the reference is in another file.
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namespace old_ns {
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void f() { X(); }
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}
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)";
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std::string Expected = R"(
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namespace old_ns {
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void X();
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void X() {}
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}
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// Assume that the reference is in another file.
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namespace old_ns {
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void f() { older_ns::X(); }
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}
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)";
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std::string After =
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runClangRenameOnCode(Before, "::old_ns::X", "::old_ns::older_ns::X");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, MoveFromGlobalToNamespaceWithoutLeadingDotDot) {
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std::string Before = R"(
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void X();
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void X() {}
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// Assume that the reference is in another file.
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namespace some_ns {
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void f() { X(); }
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}
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)";
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std::string Expected = R"(
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void X();
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void X() {}
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// Assume that the reference is in another file.
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namespace some_ns {
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void f() { ns::X(); }
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}
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)";
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std::string After =
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runClangRenameOnCode(Before, "::X", "ns::X");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, MoveFromGlobalToNamespaceWithLeadingDotDot) {
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std::string Before = R"(
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void Y() {}
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// Assume that the reference is in another file.
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namespace some_ns {
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void f() { Y(); }
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}
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)";
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std::string Expected = R"(
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void Y() {}
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// Assume that the reference is in another file.
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namespace some_ns {
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void f() { ::ns::Y(); }
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}
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)";
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std::string After =
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runClangRenameOnCode(Before, "::Y", "::ns::Y");
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CompareSnippets(Expected, After);
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}
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// FIXME: the rename of overloaded operator is not fully supported yet.
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TEST_F(RenameFunctionTest, DISABLED_DoNotRenameOverloadedOperatorCalls) {
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std::string Before = R"(
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namespace old_ns {
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class T { public: int x; };
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bool operator==(const T& lhs, const T& rhs) {
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return lhs.x == rhs.x;
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}
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} // namespace old_ns
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// Assume that the reference is in another file.
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bool f() {
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auto eq = old_ns::operator==;
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old_ns::T t1, t2;
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old_ns::operator==(t1, t2);
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return t1 == t2;
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}
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)";
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std::string Expected = R"(
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namespace old_ns {
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class T { public: int x; };
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bool operator==(const T& lhs, const T& rhs) {
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return lhs.x == rhs.x;
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}
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} // namespace old_ns
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// Assume that the reference is in another file.
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bool f() {
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auto eq = new_ns::operator==;
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old_ns::T t1, t2;
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new_ns::operator==(t1, t2);
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return t1 == t2;
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}
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)";
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std::string After =
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runClangRenameOnCode(Before, "old_ns::operator==", "new_ns::operator==");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, FunctionRefAsTemplate) {
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std::string Before = R"(
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void X();
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// Assume that the reference is in another file.
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namespace some_ns {
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template <void (*Func)(void)>
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class TIterator {};
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template <void (*Func)(void)>
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class T {
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public:
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typedef TIterator<Func> IterType;
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using TI = TIterator<Func>;
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void g() {
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Func();
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auto func = Func;
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TIterator<Func> iter;
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}
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};
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void f() { T<X> tx; tx.g(); }
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} // namespace some_ns
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)";
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std::string Expected = R"(
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void X();
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// Assume that the reference is in another file.
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namespace some_ns {
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template <void (*Func)(void)>
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class TIterator {};
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template <void (*Func)(void)>
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class T {
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public:
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typedef TIterator<Func> IterType;
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using TI = TIterator<Func>;
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void g() {
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Func();
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auto func = Func;
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TIterator<Func> iter;
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}
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};
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void f() { T<ns::X> tx; tx.g(); }
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} // namespace some_ns
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)";
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std::string After = runClangRenameOnCode(Before, "::X", "ns::X");
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CompareSnippets(Expected, After);
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}
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TEST_F(RenameFunctionTest, RenameFunctionInUsingDecl) {
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std::string Before = R"(
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using base::ToNanoSeconds;
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namespace old_ns {
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using base::ToNanoSeconds;
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void f() {
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using base::ToNanoSeconds;
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}
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}
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)";
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std::string Expected = R"(
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using base::ToInt64NanoSeconds;
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namespace old_ns {
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using base::ToInt64NanoSeconds;
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void f() {
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using base::ToInt64NanoSeconds;
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}
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}
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)";
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std::string After = runClangRenameOnCode(Before, "base::ToNanoSeconds",
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"base::ToInt64NanoSeconds");
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CompareSnippets(Expected, After);
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}
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// FIXME: Fix the complex the case where the symbol being renamed is located in
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// `std::function<decltype<renamed_symbol>>`.
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TEST_F(ClangRenameTest, DISABLED_ReferencesInLambdaFunctionParameters) {
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std::string Before = R"(
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template <class T>
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class function;
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template <class R, class... ArgTypes>
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class function<R(ArgTypes...)> {
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public:
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template <typename Functor>
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function(Functor f) {}
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function() {}
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R operator()(ArgTypes...) const {}
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};
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namespace ns {
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void Old() {}
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void f() {
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function<decltype(Old)> func;
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}
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} // namespace ns)";
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std::string Expected = R"(
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template <class T>
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class function;
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template <class R, class... ArgTypes>
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class function<R(ArgTypes...)> {
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public:
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template <typename Functor>
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function(Functor f) {}
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function() {}
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R operator()(ArgTypes...) const {}
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};
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namespace ns {
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void New() {}
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void f() {
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function<decltype(::new_ns::New)> func;
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}
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} // namespace ns)";
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std::string After = runClangRenameOnCode(Before, "ns::Old", "::new_ns::New");
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CompareSnippets(Expected, After);
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}
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} // anonymous namespace
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} // namespace test
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} // namespace clang_rename
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} // namesdpace clang
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