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//===- unittest/Tooling/RecursiveASTVisitorTests/TemplateArgumentLocTraverser.cpp -===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
using namespace clang;
namespace {
class TemplateArgumentLocTraverser
: public ExpectedLocationVisitor<TemplateArgumentLocTraverser> {
public:
bool TraverseTemplateArgumentLoc(const TemplateArgumentLoc &ArgLoc) {
std::string ArgStr;
llvm::raw_string_ostream Stream(ArgStr);
const TemplateArgument &Arg = ArgLoc.getArgument();
Arg.print(Context->getPrintingPolicy(), Stream);
Match(Stream.str(), ArgLoc.getLocation());
return ExpectedLocationVisitor<TemplateArgumentLocTraverser>::
TraverseTemplateArgumentLoc(ArgLoc);
}
};
TEST(RecursiveASTVisitor, VisitsClassTemplateTemplateParmDefaultArgument) {
TemplateArgumentLocTraverser Visitor;
Visitor.ExpectMatch("X", 2, 40);
EXPECT_TRUE(Visitor.runOver(
"template<typename T> class X;\n"
"template<template <typename> class T = X> class Y;\n"
"template<template <typename> class T> class Y {};\n"));
}
} // end anonymous namespace
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