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// Copyright 2004-present Facebook. All Rights Reserved.
#include <folly/io/Cursor.h>
#include <folly/io/IOBuf.h>
#include <gtest/gtest.h>
#include "rsocket/Payload.h"
#include "rsocket/framing/Frame.h"
#include "rsocket/framing/FrameSerializer_v0_1.h"
using namespace ::testing;
using namespace ::rsocket;
TEST(PayloadTest, EmptyMetadata) {
Payload p("some error message");
EXPECT_NE(p.data, nullptr);
EXPECT_EQ(p.metadata, nullptr);
}
TEST(PayloadTest, Clear) {
Payload p("hello");
ASSERT_TRUE(p);
p.clear();
ASSERT_FALSE(p);
}
TEST(PayloadTest, GiantMetadata) {
constexpr auto metadataSize = std::numeric_limits<uint32_t>::max();
auto metadata = folly::IOBuf::wrapBuffer(&metadataSize, sizeof(metadataSize));
folly::io::Cursor cur(metadata.get());
EXPECT_THROW(
FrameSerializerV0_1::deserializeMetadataFrom(cur, FrameFlags::METADATA),
std::runtime_error);
}
TEST(PayloadTest, Clone) {
Payload orig("data", "metadata");
// Clone copies both
Payload clone = orig.clone();
EXPECT_NE(clone.data, nullptr);
EXPECT_NE(clone.metadata, nullptr);
EXPECT_EQ(clone.data->moveToFbString(), "data");
EXPECT_EQ(clone.metadata->moveToFbString(), "metadata");
// Clone now empty, orig unchanged
clone.clear();
EXPECT_EQ(clone.data, nullptr);
EXPECT_EQ(clone.metadata, nullptr);
EXPECT_NE(orig.data, nullptr);
EXPECT_NE(orig.metadata, nullptr);
// no data
Payload nodata = orig.clone();
nodata.data.reset();
clone = nodata.clone();
EXPECT_EQ(clone.data, nullptr);
EXPECT_NE(clone.metadata, nullptr);
// orig unchanged
EXPECT_NE(orig.data, nullptr);
EXPECT_NE(orig.metadata, nullptr);
// no metadata
Payload nometa("data", "");
// This constructor doesn't set metadata if it is empty
clone = nometa.clone();
EXPECT_NE(clone.data, nullptr);
EXPECT_EQ(clone.metadata, nullptr);
// neither
std::unique_ptr<folly::IOBuf> data_;
std::unique_ptr<folly::IOBuf> metadata_;
Payload none(std::move(data_), std::move(metadata_));
clone = none.clone();
EXPECT_EQ(clone.data, nullptr);
EXPECT_EQ(clone.metadata, nullptr);
}