mirror of
https://github.com/mfontanini/libtins
synced 2026-01-25 19:51:34 +01:00
116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
#include <gtest/gtest.h>
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#include "icmp_extension.h"
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#include "mpls.h"
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using Tins::ICMPExtension;
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using Tins::ICMPExtensionsStructure;
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using Tins::MPLS;
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using Tins::PDU;
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class ICMPExtensionTest : public testing::Test {
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public:
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};
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TEST_F(ICMPExtensionTest, ConstructorFromBuffer) {
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const uint8_t input[] = { 0, 8, 1, 1, 24, 150, 1, 1 };
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const uint8_t payload[] = { 24, 150, 1, 1 };
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ICMPExtension ext(input, sizeof(input));
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EXPECT_EQ(1, ext.extension_class());
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EXPECT_EQ(1, ext.extension_type());
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EXPECT_EQ(
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ICMPExtension::payload_type(payload, payload + sizeof(payload)),
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ext.payload()
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);
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ICMPExtension::serialization_type buffer = ext.serialize();
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EXPECT_EQ(
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ICMPExtension::serialization_type(input, input + sizeof(input)),
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buffer
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);
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}
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TEST_F(ICMPExtensionTest, ExtensionClass) {
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ICMPExtension extension;
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extension.extension_class(126);
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EXPECT_EQ(126, extension.extension_class());
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}
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TEST_F(ICMPExtensionTest, ExtensionType) {
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ICMPExtension extension;
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extension.extension_type(126);
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EXPECT_EQ(126, extension.extension_type());
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}
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TEST_F(ICMPExtensionTest, Payload) {
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ICMPExtension::payload_type payload;
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payload.push_back(0x92);
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payload.push_back(0x1a);
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payload.push_back(0xde);
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ICMPExtension extension;
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extension.payload(payload);
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EXPECT_EQ(payload, extension.payload());
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}
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TEST_F(ICMPExtensionTest, ExtensionStructureValidation) {
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const uint8_t input[] = { 32, 0, 197, 95, 0, 8, 1, 1, 24, 150, 1, 1 };
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EXPECT_TRUE(ICMPExtensionsStructure::validate_extensions(input, sizeof(input)));
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}
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TEST_F(ICMPExtensionTest, ExtensionStructureFromBuffer) {
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const uint8_t input[] = { 32, 0, 197, 95, 0, 8, 1, 1, 24, 150, 1, 1 };
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ICMPExtensionsStructure structure(input, sizeof(input));
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EXPECT_EQ(2, structure.version());
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EXPECT_EQ(0, structure.reserved());
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EXPECT_EQ(0xc55f, structure.checksum());
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const ICMPExtensionsStructure::extensions_type& extensions = structure.extensions();
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EXPECT_EQ(1UL, extensions.size());
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const ICMPExtension& ext = *extensions.begin();
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const uint8_t payload[] = { 24, 150, 1, 1 };
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EXPECT_EQ(1, ext.extension_class());
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EXPECT_EQ(1, ext.extension_type());
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EXPECT_EQ(
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ICMPExtension::payload_type(payload, payload + sizeof(payload)),
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ext.payload()
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);
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ICMPExtension::serialization_type buffer = structure.serialize();
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EXPECT_EQ(
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ICMPExtension::serialization_type(input, input + sizeof(input)),
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buffer
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);
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}
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TEST_F(ICMPExtensionTest, Reserved) {
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ICMPExtensionsStructure structure;
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structure.reserved(0xdea);
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EXPECT_EQ(0xdea, structure.reserved());
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EXPECT_EQ(2, structure.version());
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}
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TEST_F(ICMPExtensionTest, Version) {
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ICMPExtensionsStructure structure;
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structure.reserved(0xdea);
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structure.version(0xf);
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EXPECT_EQ(0xdea, structure.reserved());
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EXPECT_EQ(0xf, structure.version());
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}
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TEST_F(ICMPExtensionTest, MPLSExtension) {
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ICMPExtensionsStructure structure;
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MPLS mpls1;
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mpls1.label(10012);
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mpls1.bottom_of_stack(1);
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mpls1.ttl(15);
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structure.add_extension(mpls1);
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PDU::serialization_type buffer = structure.serialize();
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ICMPExtensionsStructure new_structure(&buffer[0], buffer.size());
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ASSERT_EQ(1UL, new_structure.extensions().size());
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MPLS mpls2(*new_structure.extensions().begin());
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EXPECT_EQ(mpls1.label(), mpls2.label());
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EXPECT_EQ(mpls1.bottom_of_stack(), mpls2.bottom_of_stack());
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EXPECT_EQ(mpls1.ttl(), mpls2.ttl());
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}
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