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#include <gtest/gtest.h>
#include <cstring>
#include <string>
#include <stdint.h>
#include <tins/snap.h>
using namespace std;
using namespace Tins;
class SNAPTest : public testing::Test {
public:
static const uint8_t expected_packet[];
void test_equals(const SNAP& snap1, const SNAP& snap2);
};
const uint8_t SNAPTest::expected_packet[] = {
170, 170, 3, 0, 0, 1, 8, 0
};
TEST_F(SNAPTest, DefaultConstructor) {
SNAP snap;
EXPECT_EQ(snap.pdu_type(), PDU::SNAP);
EXPECT_EQ(snap.dsap(), 0xaa);
EXPECT_EQ(snap.ssap(), 0xaa);
EXPECT_EQ(snap.eth_type(), 0);
EXPECT_EQ(snap.org_code(), 0U);
EXPECT_EQ(snap.control(), 3);
}
TEST_F(SNAPTest, CopyConstructor) {
SNAP snap1;
snap1.eth_type(0xfab1);
snap1.org_code(0xfab1c3);
snap1.control(0x1);
SNAP snap2(snap1);
test_equals(snap1, snap2);
}
TEST_F(SNAPTest, CopyAssignmentOperator) {
SNAP snap1;
snap1.eth_type(0xfab1);
snap1.org_code(0xfab1c3);
snap1.control(0x1);
SNAP snap2 = snap1;
test_equals(snap1, snap2);
}
TEST_F(SNAPTest, OrgCode) {
SNAP snap;
snap.org_code(0xfab1c3);
EXPECT_EQ(snap.org_code(), 0xfab1c3U);
EXPECT_EQ(snap.control(), 3);
}
TEST_F(SNAPTest, Control) {
SNAP snap;
snap.control(0xfa);
EXPECT_EQ(snap.control(), 0xfa);
EXPECT_EQ(snap.org_code(), 0U);
}
TEST_F(SNAPTest, EthType) {
SNAP snap;
snap.eth_type(0xfab1);
EXPECT_EQ(snap.eth_type(), 0xfab1);
}
TEST_F(SNAPTest, Serialize) {
SNAP snap1;
snap1.eth_type(0xfab1);
snap1.org_code(0xfab1c3);
snap1.control(0x1);
PDU::serialization_type buffer = snap1.serialize();
SNAP snap2(snap1);
PDU::serialization_type buffer2 = snap2.serialize();
EXPECT_EQ(buffer, buffer2);
}
TEST_F(SNAPTest, ClonePDU) {
SNAP snap1;
snap1.eth_type(0xfab1);
snap1.org_code(0xfab1c3);
snap1.control(0x1);
SNAP* snap2 = static_cast<SNAP*>(snap1.clone());
ASSERT_TRUE(snap2 != NULL);
test_equals(snap1, *snap2);
delete snap2;
}
TEST_F(SNAPTest, ConstructorFromBuffer) {
SNAP snap1(expected_packet, sizeof(expected_packet));
PDU::serialization_type buffer = snap1.serialize();
EXPECT_EQ(3, snap1.control());
EXPECT_EQ(0xaa, snap1.dsap());
EXPECT_EQ(0xaa, snap1.ssap());
EXPECT_EQ(0x0800, snap1.eth_type());
EXPECT_EQ(1U, snap1.org_code());
SNAP snap2(&buffer[0], (uint32_t)buffer.size());
test_equals(snap1, snap2);
}
void SNAPTest::test_equals(const SNAP& snap1, const SNAP& snap2) {
EXPECT_EQ(snap1.dsap(), snap2.dsap());
EXPECT_EQ(snap1.ssap(), snap2.ssap());
EXPECT_EQ(snap1.control(), snap2.control());
EXPECT_EQ(snap1.eth_type(), snap2.eth_type());
}
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