llvm-for-llvmta/unittests/Demangle/ItaniumDemangleTest.cpp

54 lines
1.5 KiB
C++

//===------------------ ItaniumDemangleTest.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 "llvm/Demangle/ItaniumDemangle.h"
#include "llvm/Support/Allocator.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <cstdlib>
#include <vector>
using namespace llvm;
using namespace llvm::itanium_demangle;
namespace {
class TestAllocator {
BumpPtrAllocator Alloc;
public:
void reset() { Alloc.Reset(); }
template <typename T, typename... Args> T *makeNode(Args &&... args) {
return new (Alloc.Allocate(sizeof(T), alignof(T)))
T(std::forward<Args>(args)...);
}
void *allocateNodeArray(size_t sz) {
return Alloc.Allocate(sizeof(Node *) * sz, alignof(Node *));
}
};
} // namespace
TEST(ItaniumDemangle, MethodOverride) {
struct TestParser : AbstractManglingParser<TestParser, TestAllocator> {
std::vector<char> Types;
TestParser(const char *Str)
: AbstractManglingParser(Str, Str + strlen(Str)) {}
Node *parseType() {
Types.push_back(*First);
return AbstractManglingParser<TestParser, TestAllocator>::parseType();
}
};
TestParser Parser("_Z1fIiEjl");
ASSERT_NE(nullptr, Parser.parse());
EXPECT_THAT(Parser.Types, testing::ElementsAre('i', 'j', 'l'));
}