62 lines · cpp
1// We run clang in completion mode to force skipping of function bodies and2// check if the function bodies were skipped by observing the warnings that3// clang produces.4// RUN: not %clang_cc1 -std=c++14 -fsyntax-only -code-completion-at=%s:60:1 %s -o - 2>&1 | FileCheck %s5template <class T>6auto not_skipped() {7 int x;8 if (x = 10) {}9 // Check that this function is not skipped.10 // CHECK: 8:9: warning: using the result of an assignment as a condition without parentheses11 return 1;12}13 14template <class T>15auto lambda_not_skipped = []() {16 int x;17 if (x = 10) {}18 // Check that this function is not skipped.19 // CHECK: 17:9: warning: using the result of an assignment as a condition without parentheses20 return 1;21}22 23template <class T>24auto skipped() -> T {25 int x;26 if (x = 10) {}27 // Check that this function is skipped.28 // CHECK-NOT: 26:9: warning: using the result of an assignment as a condition without parentheses29 return 1;30};31 32auto lambda_skipped = []() -> int {33 int x;34 if (x = 10) {}35 // This could potentially be skipped, but it isn't at the moment.36 // CHECK: 34:9: warning: using the result of an assignment as a condition without parentheses37 return 1;38};39 40template <class T>41decltype(auto)** not_skipped_ptr() {42 int x;43 if (x = 10) {}44 // Check that this function is not skipped.45 // CHECK: 43:9: warning: using the result of an assignment as a condition without parentheses46 return T();47}48 49template <class T>50decltype(auto) not_skipped_decltypeauto() {51 int x;52 if (x = 10) {}53 // Check that this function is not skipped.54 // CHECK: 52:9: warning: using the result of an assignment as a condition without parentheses55 return 1;56}57 58int test() {59 int complete_in_this_function;60 // CHECK: COMPLETION: complete_in_this_function61}62