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//===- unittests/AST/TypePrinterTest.cpp --- Type printer tests -----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file contains tests for QualType::print() and related methods.
//
//===----------------------------------------------------------------------===//
#include "ASTPrint.h"
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/Tooling/Tooling.h"
#include "llvm/ADT/SmallString.h"
#include "gtest/gtest.h"
using namespace clang;
using namespace ast_matchers;
using namespace tooling;
namespace {
static void PrintType(raw_ostream &Out, const ASTContext *Context,
const QualType *T,
PrintingPolicyAdjuster PolicyAdjuster) {
assert(T && !T->isNull() && "Expected non-null Type");
PrintingPolicy Policy = Context->getPrintingPolicy();
if (PolicyAdjuster)
PolicyAdjuster(Policy);
T->print(Out, Policy);
}
::testing::AssertionResult
PrintedTypeMatches(StringRef Code, const std::vector<std::string> &Args,
const DeclarationMatcher &NodeMatch,
StringRef ExpectedPrinted,
PrintingPolicyAdjuster PolicyAdjuster) {
return PrintedNodeMatches<QualType>(Code, Args, NodeMatch, ExpectedPrinted,
"", PrintType, PolicyAdjuster);
}
} // unnamed namespace
TEST(TypePrinter, TemplateId) {
std::string Code = R"cpp(
namespace N {
template <typename> struct Type {};
template <typename T>
void Foo(const Type<T> &Param);
}
)cpp";
auto Matcher = parmVarDecl(hasType(qualType().bind("id")));
ASSERT_TRUE(PrintedTypeMatches(
Code, {}, Matcher, "const Type<T> &",
[](PrintingPolicy &Policy) { Policy.FullyQualifiedName = false; }));
ASSERT_TRUE(PrintedTypeMatches(
Code, {}, Matcher, "const N::Type<T> &",
[](PrintingPolicy &Policy) { Policy.FullyQualifiedName = true; }));
}
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