1 //===- unittest/Tooling/RecursiveASTVisitorTests/LambdaDefaultCapture.cpp -===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "TestVisitor.h"
10 
11 using namespace clang;
12 
13 namespace {
14 
15 // Matches the (optional) capture-default of a lambda-introducer.
16 class LambdaDefaultCaptureVisitor
17   : public ExpectedLocationVisitor<LambdaDefaultCaptureVisitor> {
18 public:
VisitLambdaExpr(LambdaExpr * Lambda)19   bool VisitLambdaExpr(LambdaExpr *Lambda) {
20     if (Lambda->getCaptureDefault() != LCD_None) {
21       Match("", Lambda->getCaptureDefaultLoc());
22     }
23     return true;
24   }
25 };
26 
TEST(RecursiveASTVisitor,HasCaptureDefaultLoc)27 TEST(RecursiveASTVisitor, HasCaptureDefaultLoc) {
28   LambdaDefaultCaptureVisitor Visitor;
29   Visitor.ExpectMatch("", 1, 20);
30   EXPECT_TRUE(Visitor.runOver("void f() { int a; [=]{a;}; }",
31                               LambdaDefaultCaptureVisitor::Lang_CXX11));
32 }
33 
34 } // end anonymous namespace
35