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/*
* Copyright 2024 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "api/candidate.h"
#include <string>
#include "p2p/base/p2p_constants.h"
#include "rtc_base/socket_address.h"
#include "test/gtest.h"
using webrtc::IceCandidateType;
namespace cricket {
TEST(CandidateTest, Id) {
Candidate c;
EXPECT_EQ(c.id().size(), 8u);
std::string current_id = c.id();
// Generate a new ID.
c.generate_id();
EXPECT_EQ(c.id().size(), 8u);
EXPECT_NE(current_id, c.id());
}
TEST(CandidateTest, Component) {
Candidate c;
EXPECT_EQ(c.component(), ICE_CANDIDATE_COMPONENT_DEFAULT);
c.set_component(ICE_CANDIDATE_COMPONENT_RTCP);
EXPECT_EQ(c.component(), ICE_CANDIDATE_COMPONENT_RTCP);
}
TEST(CandidateTest, TypeName) {
Candidate c;
// The `type_name()` property defaults to "host".
EXPECT_EQ(c.type_name(), "host");
EXPECT_EQ(c.type(), IceCandidateType::kHost);
c.set_type(IceCandidateType::kSrflx);
EXPECT_EQ(c.type_name(), "srflx");
EXPECT_EQ(c.type(), IceCandidateType::kSrflx);
c.set_type(IceCandidateType::kPrflx);
EXPECT_EQ(c.type_name(), "prflx");
EXPECT_EQ(c.type(), IceCandidateType::kPrflx);
c.set_type(IceCandidateType::kRelay);
EXPECT_EQ(c.type_name(), "relay");
EXPECT_EQ(c.type(), IceCandidateType::kRelay);
}
TEST(CandidateTest, Foundation) {
Candidate c;
EXPECT_TRUE(c.foundation().empty());
c.set_protocol("udp");
c.set_relay_protocol("udp");
rtc::SocketAddress address("99.99.98.1", 1024);
c.set_address(address);
c.ComputeFoundation(c.address(), 1);
std::string foundation1 = c.foundation();
EXPECT_FALSE(foundation1.empty());
// Change the tiebreaker.
c.ComputeFoundation(c.address(), 2);
std::string foundation2 = c.foundation();
EXPECT_NE(foundation1, foundation2);
// Provide a different base address.
address.SetIP("100.100.100.1");
c.ComputeFoundation(address, 1); // Same tiebreaker as for foundation1.
foundation2 = c.foundation();
EXPECT_NE(foundation1, foundation2);
// Consistency check (just in case the algorithm ever changes to random!).
c.ComputeFoundation(c.address(), 1);
foundation2 = c.foundation();
EXPECT_EQ(foundation1, foundation2);
// Changing the protocol should affect the foundation.
auto prev_protocol = c.protocol();
c.set_protocol("tcp");
ASSERT_NE(prev_protocol, c.protocol());
c.ComputeFoundation(c.address(), 1);
EXPECT_NE(foundation1, c.foundation());
c.set_protocol(prev_protocol);
// Changing the relay protocol should affect the foundation.
prev_protocol = c.relay_protocol();
c.set_relay_protocol("tcp");
ASSERT_NE(prev_protocol, c.relay_protocol());
c.ComputeFoundation(c.address(), 1);
EXPECT_NE(foundation1, c.foundation());
}
} // namespace cricket