1 files changed, 61 insertions, 0 deletions
diff --git a/test/CodeCompletion/skip-auto-funcs.cpp b/test/CodeCompletion/skip-auto-funcs.cpp
new file mode 100644
index 000000000000..ab2465d7fb04
--- /dev/null
+++ b/test/CodeCompletion/skip-auto-funcs.cpp
@@ -0,0 +1,61 @@
+// 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:60:1 %s -o - 2>&1 | FileCheck %s
+template <class T>
+auto not_skipped() {
+  int x;
+  if (x = 10) {}
+  // Check that this function is not skipped.
+  // CHECK: 8:9: warning: using the result of an assignment as a condition without parentheses
+  return 1;
+}
+
+template <class T>
+auto lambda_not_skipped = []() {
+  int x;
+  if (x = 10) {}
+  // Check that this function is not skipped.
+  // CHECK: 17:9: warning: using the result of an assignment as a condition without parentheses
+  return 1;
+}
+
+template <class T>
+auto skipped() -> T {
+  int x;
+  if (x = 10) {}
+  // Check that this function is skipped.
+  // CHECK-NOT: 26:9: warning: using the result of an assignment as a condition without parentheses
+  return 1;
+};
+
+auto lambda_skipped = []() -> int {
+  int x;
+  if (x = 10) {}
+  // This could potentially be skipped, but it isn't at the moment.
+  // CHECK: 34:9: warning: using the result of an assignment as a condition without parentheses
+  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
+}