1//===- unittests/AST/DeclTest.cpp --- Declaration tests -------------------===//
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// Unit tests for the ASTVector container.
10//
11//===----------------------------------------------------------------------===//
12
13#include "clang/AST/ASTVector.h"
14#include "clang/AST/ASTContext.h"
15#include "clang/Basic/Builtins.h"
16#include "clang/Basic/FileManager.h"
17#include "clang/Basic/SourceManager.h"
18#include "gtest/gtest.h"
19
20using namespace clang;
21
22namespace clang {
23namespace ast {
24
25namespace {
26class ASTVectorTest : public ::testing::Test {
27protected:
28 ASTVectorTest()
29 : FileMgr(FileMgrOpts), DiagID(new DiagnosticIDs()),
30 Diags(DiagID, DiagOpts, new IgnoringDiagConsumer()),
31 SourceMgr(Diags, FileMgr), Idents(LangOpts, nullptr),
32 Ctxt(LangOpts, SourceMgr, Idents, Sels, Builtins, TU_Complete) {}
33
34 FileSystemOptions FileMgrOpts;
35 FileManager FileMgr;
36 IntrusiveRefCntPtr<DiagnosticIDs> DiagID;
37 DiagnosticOptions DiagOpts;
38 DiagnosticsEngine Diags;
39 SourceManager SourceMgr;
40 LangOptions LangOpts;
41 IdentifierTable Idents;
42 SelectorTable Sels;
43 Builtin::Context Builtins;
44 ASTContext Ctxt;
45};
46} // unnamed namespace
47
48TEST_F(ASTVectorTest, Compile) {
49 ASTVector<int> V;
50 V.insert(Ctxt, V.begin(), 0);
51}
52
53TEST_F(ASTVectorTest, InsertFill) {
54 ASTVector<double> V;
55
56 // Ensure returned iterator points to first of inserted elements
57 auto I = V.insert(Ctxt, V.begin(), 5, 1.0);
58 ASSERT_EQ(V.begin(), I);
59
60 // Check non-empty case as well
61 I = V.insert(Ctxt, V.begin() + 1, 5, 1.0);
62 ASSERT_EQ(V.begin() + 1, I);
63
64 // And insert-at-end
65 I = V.insert(Ctxt, V.end(), 5, 1.0);
66 ASSERT_EQ(V.end() - 5, I);
67}
68
69TEST_F(ASTVectorTest, InsertEmpty) {
70 ASTVector<double> V;
71
72 // Ensure no pointer overflow when inserting empty range
73 int Values[] = { 0, 1, 2, 3 };
74 ArrayRef<int> IntVec(Values);
75 auto I = V.insert(Ctxt, V.begin(), IntVec.begin(), IntVec.begin());
76 ASSERT_EQ(V.begin(), I);
77 ASSERT_TRUE(V.empty());
78
79 // Non-empty range
80 I = V.insert(Ctxt, V.begin(), IntVec.begin(), IntVec.end());
81 ASSERT_EQ(V.begin(), I);
82
83 // Non-Empty Vector, empty range
84 I = V.insert(Ctxt, V.end(), IntVec.begin(), IntVec.begin());
85 ASSERT_EQ(V.begin() + IntVec.size(), I);
86
87 // Non-Empty Vector, non-empty range
88 I = V.insert(Ctxt, V.end(), IntVec.begin(), IntVec.end());
89 ASSERT_EQ(V.begin() + IntVec.size(), I);
90}
91
92} // end namespace ast
93} // end namespace clang
94

source code of clang/unittests/AST/ASTVectorTest.cpp