llvm-project/orc-rt/unittests/ControllerInterfaceTest.cpp
Lang Hames f1b16eaedd
[orc-rt] Hold const void* rather than void* in ControllerInterface. (#186954)
We only care about addresses in ControllerInterface, not the underlying
memory.
2026-03-17 17:12:43 +11:00

147 lines
4.5 KiB
C++

//===- ControllerInterfaceTest.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
//
//===----------------------------------------------------------------------===//
//
// Tests for orc-rt's ControllerInterface.h APIs.
//
//===----------------------------------------------------------------------===//
#include "orc-rt/ControllerInterface.h"
#include "gtest/gtest.h"
#include <set>
#include <string>
using namespace orc_rt;
TEST(ControllerInterfaceTest, EmptyByDefault) {
ControllerInterface CI;
EXPECT_TRUE(CI.empty());
EXPECT_EQ(CI.size(), 0U);
EXPECT_EQ(CI.begin(), CI.end());
}
TEST(ControllerInterfaceTest, AddSymbolsUnique) {
ControllerInterface CI;
int X = 0, Y = 0;
std::pair<const char *, void *> Syms[] = {{"orc_rt_A", &X}, {"orc_rt_B", &Y}};
auto Err = CI.addSymbolsUnique(Syms);
EXPECT_FALSE(Err) << "Unexpected error adding unique symbols";
EXPECT_EQ(CI.size(), 2U);
EXPECT_FALSE(CI.empty());
EXPECT_TRUE(CI.count("orc_rt_A"));
EXPECT_TRUE(CI.count("orc_rt_B"));
EXPECT_EQ(CI.at("orc_rt_A"), &X);
EXPECT_EQ(CI.at("orc_rt_B"), &Y);
}
TEST(ControllerInterfaceTest, AddConstPointers) {
ControllerInterface CI;
const int X = 42;
const int Y = 7;
std::pair<const char *, const void *> Syms[] = {{"orc_rt_A", &X},
{"orc_rt_B", &Y}};
cantFail(CI.addSymbolsUnique(Syms));
EXPECT_EQ(CI.at("orc_rt_A"), &X);
EXPECT_EQ(CI.at("orc_rt_B"), &Y);
}
TEST(ControllerInterfaceTest, AddSymbolsUniqueMultipleCalls) {
ControllerInterface CI;
int X = 0, Y = 0;
std::pair<const char *, void *> First[] = {{"orc_rt_A", &X}};
std::pair<const char *, void *> Second[] = {{"orc_rt_B", &Y}};
cantFail(CI.addSymbolsUnique(First));
cantFail(CI.addSymbolsUnique(Second));
EXPECT_EQ(CI.size(), 2U);
EXPECT_EQ(CI.at("orc_rt_A"), &X);
EXPECT_EQ(CI.at("orc_rt_B"), &Y);
}
TEST(ControllerInterfaceTest, AddSymbolsUniqueDuplicateRejected) {
ControllerInterface CI;
int X = 0, Y = 0;
std::pair<const char *, void *> First[] = {{"orc_rt_A", &X}};
cantFail(CI.addSymbolsUnique(First));
std::pair<const char *, void *> Second[] = {{"orc_rt_A", &Y}};
auto Err = CI.addSymbolsUnique(Second);
EXPECT_TRUE(Err.isA<StringError>());
auto ErrMsg = toString(std::move(Err));
EXPECT_NE(ErrMsg.find("orc_rt_A"), std::string::npos)
<< "Error message should mention the duplicate symbol name";
// Original not overwritten.
EXPECT_EQ(CI.at("orc_rt_A"), &X);
}
TEST(ControllerInterfaceTest, AddSymbolsUniqueMultipleDuplicates) {
ControllerInterface CI;
int X = 0, Y = 0, Z = 0;
std::pair<const char *, void *> First[] = {{"orc_rt_A", &X},
{"orc_rt_B", &Y}};
cantFail(CI.addSymbolsUnique(First));
std::pair<const char *, void *> Second[] = {{"orc_rt_A", &Z},
{"orc_rt_B", &Z}};
auto Err = CI.addSymbolsUnique(Second);
EXPECT_TRUE(Err.isA<StringError>());
auto ErrMsg = toString(std::move(Err));
EXPECT_NE(ErrMsg.find("orc_rt_A"), std::string::npos);
EXPECT_NE(ErrMsg.find("orc_rt_B"), std::string::npos);
// Originals not overwritten.
EXPECT_EQ(CI.at("orc_rt_A"), &X);
EXPECT_EQ(CI.at("orc_rt_B"), &Y);
}
TEST(ControllerInterfaceTest, AddSymbolsUniqueAllOrNothing) {
ControllerInterface CI;
int X = 0, Y = 0, Z = 0;
std::pair<const char *, void *> First[] = {{"orc_rt_existing", &X}};
cantFail(CI.addSymbolsUnique(First));
// One new, one duplicate — neither should be added.
std::pair<const char *, void *> Second[] = {{"orc_rt_new", &Y},
{"orc_rt_existing", &Z}};
auto Err = CI.addSymbolsUnique(Second);
EXPECT_TRUE(Err.isA<StringError>());
consumeError(std::move(Err));
EXPECT_EQ(CI.size(), 1U);
EXPECT_EQ(CI.at("orc_rt_existing"), &X);
EXPECT_FALSE(CI.count("orc_rt_new"));
}
TEST(ControllerInterfaceTest, Iteration) {
ControllerInterface CI;
int X = 0, Y = 0, Z = 0;
std::pair<const char *, void *> Syms[] = {
{"orc_rt_A", &X}, {"orc_rt_B", &Y}, {"orc_rt_C", &Z}};
cantFail(CI.addSymbolsUnique(Syms));
std::set<std::string> Names;
for (auto &[Name, Addr] : CI)
Names.insert(Name);
EXPECT_EQ(Names.size(), 3U);
EXPECT_TRUE(Names.count("orc_rt_A"));
EXPECT_TRUE(Names.count("orc_rt_B"));
EXPECT_TRUE(Names.count("orc_rt_C"));
}