1 //===------------------ ItaniumDemangleTest.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 "llvm/Demangle/ItaniumDemangle.h"
10 #include "llvm/Support/Allocator.h"
11 #include "gmock/gmock.h"
12 #include "gtest/gtest.h"
13 #include <cstdlib>
14 #include <vector>
15
16 using namespace llvm;
17 using namespace llvm::itanium_demangle;
18
19 namespace {
20 class TestAllocator {
21 BumpPtrAllocator Alloc;
22
23 public:
reset()24 void reset() { Alloc.Reset(); }
25
makeNode(Args &&...args)26 template <typename T, typename... Args> T *makeNode(Args &&... args) {
27 return new (Alloc.Allocate(sizeof(T), alignof(T)))
28 T(std::forward<Args>(args)...);
29 }
30
allocateNodeArray(size_t sz)31 void *allocateNodeArray(size_t sz) {
32 return Alloc.Allocate(sizeof(Node *) * sz, alignof(Node *));
33 }
34 };
35 } // namespace
36
TEST(ItaniumDemangle,MethodOverride)37 TEST(ItaniumDemangle, MethodOverride) {
38 struct TestParser : AbstractManglingParser<TestParser, TestAllocator> {
39 std::vector<char> Types;
40
41 TestParser(const char *Str)
42 : AbstractManglingParser(Str, Str + strlen(Str)) {}
43
44 Node *parseType() {
45 Types.push_back(*First);
46 return AbstractManglingParser<TestParser, TestAllocator>::parseType();
47 }
48 };
49
50 TestParser Parser("_Z1fIiEjl");
51 ASSERT_NE(nullptr, Parser.parse());
52 EXPECT_THAT(Parser.Types, testing::ElementsAre('i', 'j', 'l'));
53 }
54