1 //===- unittest/Tooling/RecursiveASTVisitorTests/LambdaDefaultCapture.cpp -===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "TestVisitor.h"
11 
12 using namespace clang;
13 
14 namespace {
15 
16 // Matches the (optional) capture-default of a lambda-introducer.
17 class LambdaDefaultCaptureVisitor
18   : public ExpectedLocationVisitor<LambdaDefaultCaptureVisitor> {
19 public:
20   bool VisitLambdaExpr(LambdaExpr *Lambda) {
21     if (Lambda->getCaptureDefault() != LCD_None) {
22       Match("", Lambda->getCaptureDefaultLoc());
23     }
24     return true;
25   }
26 };
27 
28 TEST(RecursiveASTVisitor, HasCaptureDefaultLoc) {
29   LambdaDefaultCaptureVisitor Visitor;
30   Visitor.ExpectMatch("", 1, 20);
31   EXPECT_TRUE(Visitor.runOver("void f() { int a; [=]{a;}; }",
32                               LambdaDefaultCaptureVisitor::Lang_CXX11));
33 }
34 
35 } // end anonymous namespace
36