Clang Project

clang_source_code/unittests/Tooling/RecursiveASTVisitorTests/LambdaDefaultCapture.cpp
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
11using namespace clang;
12
13namespace {
14
15// Matches the (optional) capture-default of a lambda-introducer.
16class LambdaDefaultCaptureVisitor
17  : public ExpectedLocationVisitor<LambdaDefaultCaptureVisitor> {
18public:
19  bool VisitLambdaExpr(LambdaExpr *Lambda) {
20    if (Lambda->getCaptureDefault() != LCD_None) {
21      Match("", Lambda->getCaptureDefaultLoc());
22    }
23    return true;
24  }
25};
26
27TEST(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
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