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//===- unittests/AST/DeclTest.cpp --- Declaration 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
//
//===----------------------------------------------------------------------===//
//
// Unit tests for the ASTVector container.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTVector.h"
#include "clang/AST/ASTContext.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/SourceManager.h"
#include "gtest/gtest.h"
using namespace clang;
namespace clang {
namespace ast {
namespace {
class ASTVectorTest : public ::testing::Test {
protected:
ASTVectorTest()
: FileMgr(FileMgrOpts), DiagID(new DiagnosticIDs()),
Diags(DiagID, new DiagnosticOptions, new IgnoringDiagConsumer()),
SourceMgr(Diags, FileMgr), Idents(LangOpts, nullptr),
Ctxt(LangOpts, SourceMgr, Idents, Sels, Builtins, TU_Complete) {}
FileSystemOptions FileMgrOpts;
FileManager FileMgr;
IntrusiveRefCntPtr<DiagnosticIDs> DiagID;
DiagnosticsEngine Diags;
SourceManager SourceMgr;
LangOptions LangOpts;
IdentifierTable Idents;
SelectorTable Sels;
Builtin::Context Builtins;
ASTContext Ctxt;
};
} // unnamed namespace
TEST_F(ASTVectorTest, Compile) {
ASTVector<int> V;
V.insert(Ctxt, V.begin(), 0);
}
TEST_F(ASTVectorTest, InsertFill) {
ASTVector<double> V;
// Ensure returned iterator points to first of inserted elements
auto I = V.insert(Ctxt, V.begin(), 5, 1.0);
ASSERT_EQ(V.begin(), I);
// Check non-empty case as well
I = V.insert(Ctxt, V.begin() + 1, 5, 1.0);
ASSERT_EQ(V.begin() + 1, I);
// And insert-at-end
I = V.insert(Ctxt, V.end(), 5, 1.0);
ASSERT_EQ(V.end() - 5, I);
}
TEST_F(ASTVectorTest, InsertEmpty) {
ASTVector<double> V;
// Ensure no pointer overflow when inserting empty range
int Values[] = { 0, 1, 2, 3 };
ArrayRef<int> IntVec(Values);
auto I = V.insert(Ctxt, V.begin(), IntVec.begin(), IntVec.begin());
ASSERT_EQ(V.begin(), I);
ASSERT_TRUE(V.empty());
// Non-empty range
I = V.insert(Ctxt, V.begin(), IntVec.begin(), IntVec.end());
ASSERT_EQ(V.begin(), I);
// Non-Empty Vector, empty range
I = V.insert(Ctxt, V.end(), IntVec.begin(), IntVec.begin());
ASSERT_EQ(V.begin() + IntVec.size(), I);
// Non-Empty Vector, non-empty range
I = V.insert(Ctxt, V.end(), IntVec.begin(), IntVec.end());
ASSERT_EQ(V.begin() + IntVec.size(), I);
}
} // end namespace ast
} // end namespace clang
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