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//===- SessionTest.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 Session.h APIs.
//
//===----------------------------------------------------------------------===//
#include "orc-rt/Session.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <optional>
using namespace orc_rt;
using ::testing::Eq;
using ::testing::Optional;
class MockResourceManager : public ResourceManager {
public:
enum class Op { Detach, Shutdown };
static Error alwaysSucceed(Op) { return Error::success(); }
MockResourceManager(std::optional<size_t> &DetachOpIdx,
std::optional<size_t> &ShutdownOpIdx, size_t &OpIdx,
move_only_function<Error(Op)> GenResult = alwaysSucceed)
: DetachOpIdx(DetachOpIdx), ShutdownOpIdx(ShutdownOpIdx), OpIdx(OpIdx),
GenResult(std::move(GenResult)) {}
void detach(OnCompleteFn OnComplete) override {
DetachOpIdx = OpIdx++;
OnComplete(GenResult(Op::Detach));
}
void shutdown(OnCompleteFn OnComplete) override {
ShutdownOpIdx = OpIdx++;
OnComplete(GenResult(Op::Shutdown));
}
private:
std::optional<size_t> &DetachOpIdx;
std::optional<size_t> &ShutdownOpIdx;
size_t &OpIdx;
move_only_function<Error(Op)> GenResult;
};
// Non-overloaded version of cantFail: allows easy construction of
// move_only_functions<void(Error)>s.
static void noErrors(Error Err) { cantFail(std::move(Err)); }
TEST(SessionTest, TrivialConstructionAndDestruction) { Session S(noErrors); }
TEST(SessionTest, ReportError) {
Error E = Error::success();
cantFail(std::move(E)); // Force error into checked state.
Session S([&](Error Err) { E = std::move(Err); });
S.reportError(make_error<StringError>("foo"));
if (E)
EXPECT_EQ(toString(std::move(E)), "foo");
else
ADD_FAILURE() << "Missing error value";
}
TEST(SessionTest, SingleResourceManager) {
size_t OpIdx = 0;
std::optional<size_t> DetachOpIdx;
std::optional<size_t> ShutdownOpIdx;
{
Session S(noErrors);
S.addResourceManager(std::make_unique<MockResourceManager>(
DetachOpIdx, ShutdownOpIdx, OpIdx));
}
EXPECT_EQ(OpIdx, 1U);
EXPECT_EQ(DetachOpIdx, std::nullopt);
EXPECT_THAT(ShutdownOpIdx, Optional(Eq(0)));
}
TEST(SessionTest, MultipleResourceManagers) {
size_t OpIdx = 0;
std::optional<size_t> DetachOpIdx[3];
std::optional<size_t> ShutdownOpIdx[3];
{
Session S(noErrors);
for (size_t I = 0; I != 3; ++I)
S.addResourceManager(std::make_unique<MockResourceManager>(
DetachOpIdx[I], ShutdownOpIdx[I], OpIdx));
}
EXPECT_EQ(OpIdx, 3U);
// Expect shutdown in reverse order.
for (size_t I = 0; I != 3; ++I) {
EXPECT_EQ(DetachOpIdx[I], std::nullopt);
EXPECT_THAT(ShutdownOpIdx[I], Optional(Eq(2 - I)));
}
}
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