[CodeComplete] Add a few extra tests for r333538. NFC

From a follow-up discussion in D44480.
New tests check that function bodies are not skipped:
- In presence of ptr declarators, e.g. `auto**`.
- When `decltype(auto)` is used in return type, only `auto` was checked before.

llvm-svn: 333735

1 files changed, 19 insertions, 1 deletions

diff --git a/clang/test/CodeCompletion/skip-auto-funcs.cpp b/clang/test/CodeCompletion/skip-auto-funcs.cpp
index b20f95bdf2e..ab2465d7fb0 100644
--- a/clang/test/CodeCompletion/skip-auto-funcs.cpp
+++ b/clang/test/CodeCompletion/skip-auto-funcs.cpp
@@ -1,7 +1,7 @@
 // We run clang in completion mode to force skipping of function bodies and
 // check if the function bodies were skipped by observing the warnings that
 // clang produces.
-// RUN: not %clang_cc1 -fsyntax-only -code-completion-at=%s:42:1 %s -o - 2>&1 | FileCheck %s
+// RUN: not %clang_cc1 -fsyntax-only -code-completion-at=%s:60:1 %s -o - 2>&1 | FileCheck %s
 template <class T>
 auto not_skipped() {
   int x;
@@ -37,6 +37,24 @@ auto lambda_skipped = []() -> int {
   return 1;
 };
 
+template <class T>
+decltype(auto)** not_skipped_ptr() {
+  int x;
+  if (x = 10) {}
+  // Check that this function is not skipped.
+  // CHECK: 43:9: warning: using the result of an assignment as a condition without parentheses
+  return T();
+}
+
+template <class T>
+decltype(auto) not_skipped_decltypeauto() {
+  int x;
+  if (x = 10) {}
+  // Check that this function is not skipped.
+  // CHECK: 52:9: warning: using the result of an assignment as a condition without parentheses
+  return 1;
+}
+
 int test() {
   int complete_in_this_function;
   // CHECK: COMPLETION: complete_in_this_function