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test.cpp
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test.cpp
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#include <libtlv/tlv.hpp>
#include <CppUTest/CommandLineTestRunner.h>
#include <CppUTest/TestHarness.h>
int main( int argc, char** argv)
{
return CommandLineTestRunner::RunAllTests( argc, argv );
}
TEST_GROUP(TlvMisc)
{};
TEST(TlvMisc, Unhexify)
{
auto v = unhexify( "1234Ab" );
CHECK( v.size() == 3 );
CHECK_EQUAL( 0x12, v[0] );
CHECK_EQUAL( 0x34, v[1] );
CHECK_EQUAL( 0xAB, v[2] );
v = unhexify( "1234A" );
CHECK( v.size() == 3 );
CHECK_EQUAL( 0x01, v[0] );
CHECK_EQUAL( 0x23, v[1] );
CHECK_EQUAL( 0x4A, v[2] );
v = unhexify( "f" );
CHECK( v.size() == 1 );
CHECK_EQUAL( 0x0F, v[0] );
v = unhexify( "0" );
CHECK( v.size() == 1 );
CHECK_EQUAL( 0x00, v[0] );
v = unhexify( "0A\xff" );
CHECK( v.empty() );
v = unhexify( "" );
CHECK( v.empty() );
v = unhexify( "test" );
CHECK( v.empty() );
}
TEST(TlvMisc, Hexify)
{
auto s = hexify( { 0x01 } );
CHECK_EQUAL( 2, s.size() );
STRCMP_EQUAL( "01", s.c_str() );
s = hexify( { 0x01, 0x23, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xa2, 0x97 } );
CHECK_EQUAL( 18, s.size() );
STRCMP_EQUAL( "0123FFEEDDCCBBA297", s.c_str() );
s = hexify( { 0x01, 0x23, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xa2, 0x97 }, true );
CHECK_EQUAL( 18, s.size() );
STRCMP_EQUAL( "0123ffeeddccbba297", s.c_str() );
}
/*
* TlvTag
*/
TEST_GROUP(TlvTag)
{};
TEST(TlvTag, TagClass)
{
// 1 byte
CHECK_EQUAL( (int)Tlv::Tag::Class::Universal, (int)Tlv::Tag( 0x05 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Application, (int)Tlv::Tag( 0x45 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::ContextSpecific, (int)Tlv::Tag( 0x85 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Private, (int)Tlv::Tag( 0xC5 ).tag_class() );
// 2 bytes
CHECK_EQUAL( (int)Tlv::Tag::Class::Universal, (int)Tlv::Tag( 0x1F81 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Application, (int)Tlv::Tag( 0x5F81 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::ContextSpecific, (int)Tlv::Tag( 0x9F81 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Private, (int)Tlv::Tag( 0xDF81 ).tag_class() );
// 3 bytes
CHECK_EQUAL( (int)Tlv::Tag::Class::Universal, (int)Tlv::Tag( 0x1F8001 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Application, (int)Tlv::Tag( 0x5F8001 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::ContextSpecific, (int)Tlv::Tag( 0x9F8001 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Private, (int)Tlv::Tag( 0xDF8001 ).tag_class() );
// 4 bytes
CHECK_EQUAL( (int)Tlv::Tag::Class::Universal, (int)Tlv::Tag( 0x1F800001 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Application, (int)Tlv::Tag( 0x5F800001 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::ContextSpecific, (int)Tlv::Tag( 0x9F800001 ).tag_class() );
CHECK_EQUAL( (int)Tlv::Tag::Class::Private, (int)Tlv::Tag( 0xDF800001 ).tag_class() );
}
TEST(TlvTag, TagConstructed)
{
// 1 byte
CHECK_EQUAL( false, (int)Tlv::Tag( 0x05 ).constructed() );
CHECK_EQUAL( true, (int)Tlv::Tag( 0x65 ).constructed() );
CHECK_EQUAL( false, (int)Tlv::Tag( 0x85 ).constructed() );
CHECK_EQUAL( true, (int)Tlv::Tag( 0xE5 ).constructed() );
// 2 bytes
CHECK_EQUAL( false, (int)Tlv::Tag( 0x1F81 ).constructed() );
CHECK_EQUAL( true, (int)Tlv::Tag( 0x7F81 ).constructed() );
CHECK_EQUAL( false, (int)Tlv::Tag( 0x9F81 ).constructed() );
CHECK_EQUAL( true, (int)Tlv::Tag( 0xFF81 ).constructed() );
// 3 bytes
CHECK_EQUAL( false, (int)Tlv::Tag( 0x1F8001 ).constructed() );
CHECK_EQUAL( true, (int)Tlv::Tag( 0x7F8001 ).constructed() );
CHECK_EQUAL( false, (int)Tlv::Tag( 0x9F8001 ).constructed() );
CHECK_EQUAL( true, (int)Tlv::Tag( 0xFF8001 ).constructed() );
// 4 bytes
CHECK_EQUAL( true, (int)Tlv::Tag( 0x3F800001 ).constructed() );
CHECK_EQUAL( false, (int)Tlv::Tag( 0x5F800001 ).constructed() );
CHECK_EQUAL( true, (int)Tlv::Tag( 0xBF800001 ).constructed() );
CHECK_EQUAL( false, (int)Tlv::Tag( 0xDF800001 ).constructed() );
}
TEST(TlvTag, TagNumber)
{
// 1 byte
CHECK_EQUAL( 5, Tlv::Tag( 0x05 ).tag_number() );
CHECK_EQUAL( 5, Tlv::Tag( 0x65 ).tag_number() );
CHECK_EQUAL( 5, Tlv::Tag( 0x85 ).tag_number() );
CHECK_EQUAL( 5, Tlv::Tag( 0xC5 ).tag_number() );
// 2 bytes
CHECK_EQUAL( 65, Tlv::Tag( 0x1F41 ).tag_number() );
CHECK_EQUAL( 65, Tlv::Tag( 0x7F41 ).tag_number() );
CHECK_EQUAL( 65, Tlv::Tag( 0x9F41 ).tag_number() );
CHECK_EQUAL( 65, Tlv::Tag( 0xFF41 ).tag_number() );
// 3 bytes
CHECK_EQUAL( 8193, Tlv::Tag( 0x1FC001 ).tag_number() );
CHECK_EQUAL( 8193, Tlv::Tag( 0x7FC001 ).tag_number() );
CHECK_EQUAL( 8193, Tlv::Tag( 0x9FC001 ).tag_number() );
CHECK_EQUAL( 8193, Tlv::Tag( 0xFFC001 ).tag_number() );
// 4 bytes
CHECK_EQUAL( 1048577, Tlv::Tag( 0x3FC08001 ).tag_number() );
CHECK_EQUAL( 1048577, Tlv::Tag( 0x5FC08001 ).tag_number() );
CHECK_EQUAL( 1048577, Tlv::Tag( 0xBFC08001 ).tag_number() );
CHECK_EQUAL( 1048577, Tlv::Tag( 0xDFC08001 ).tag_number() );
}
TEST(TlvTag, TagBuild)
{
// 1 byte (short form)
auto tag = Tlv::Tag::build( Tlv::Tag::Class::Application, false, 5 );
CHECK_EQUAL( 0x45, tag.value() );
CHECK_EQUAL( 1, tag.size() );
CHECK_FALSE( tag.empty() );
tag = Tlv::Tag::build( Tlv::Tag::Class::ContextSpecific, true, 30 );
CHECK_EQUAL( 0xBE, tag.value() );
CHECK_EQUAL( 1, tag.size() );
// 2 bytes
tag = Tlv::Tag::build( Tlv::Tag::Class::Application, false, 31 );
CHECK_EQUAL( 0x5F1F, tag.value() );
CHECK_EQUAL( 2, tag.size() );
tag = Tlv::Tag::build( Tlv::Tag::Class::Private, false, 65 );
CHECK_EQUAL( 0xDF41, tag.value() );
CHECK_EQUAL( 2, tag.size() );
// 3 bytes
tag = Tlv::Tag::build( Tlv::Tag::Class::Application, false, 193 );
CHECK_EQUAL( 0x5F8141, tag.value() );
CHECK_EQUAL( 3, tag.size() );
tag = Tlv::Tag::build( Tlv::Tag::Class::Application, false, 8385 );
CHECK_EQUAL( 0x5FC141, tag.value() );
CHECK_EQUAL( 3, tag.size() );
// 4 bytes
tag = Tlv::Tag::build( Tlv::Tag::Class::Application, false, 24769 );
CHECK_EQUAL( 0x5F81C141, tag.value() );
CHECK_EQUAL( 4, tag.size() );
tag = Tlv::Tag::build( Tlv::Tag::Class::Private, true, Tlv::Tag::max_tag_number );
CHECK_EQUAL( 0xFFFFFF7F, tag.value() );
CHECK_EQUAL( 4, tag.size() );
// Overflow
tag = Tlv::Tag::build( Tlv::Tag::Class::Application, false, Tlv::Tag::max_tag_number + 1 );
CHECK_EQUAL( Tlv::Tag::empty_tag_value, tag.value() );
CHECK_EQUAL( 0, tag.size() );
CHECK( tag.empty() );
}
TEST( TlvTag, UniversalTagBuild)
{
auto tag = Tlv::Tag::build( Tlv::Tag::UniversalTagType::EndOfContent, false );
CHECK_EQUAL( 0, tag.value() );
CHECK_EQUAL( 0, tag.size() );
CHECK( tag.empty() );
tag = Tlv::Tag::build( Tlv::Tag::UniversalTagType::Boolean, false );
CHECK_EQUAL( 0x01, tag.value() );
CHECK_EQUAL( 1, tag.size() );
CHECK_FALSE( tag.empty() );
}
TEST( TlvTag, TagFromConstChar )
{
Tlv::Tag tag( "0x123" );
CHECK_EQUAL( 0x123, tag.value() );
tag = Tlv::Tag( "123" );
CHECK_EQUAL( 123, tag.value() );
tag = Tlv::Tag( "-5" );
CHECK( tag.empty() );
tag = Tlv::Tag( "0xFFFFFFFFF" ); // too big
CHECK( tag.empty() );
}
/*
* TlvBuild
*/
TEST_GROUP(TlvBuild)
{};
TEST(TlvBuild, DefaultCtor)
{
Tlv t;
CHECK( t.empty() );
}
TEST(TlvBuild, NoValueCtor)
{
Tlv t( 0x1F81 );
CHECK_FALSE( t.empty() );
CHECK( t.has_tag() );
CHECK_FALSE( t.has_value() );
CHECK_FALSE( t.has_children() );
}
TEST(TlvBuild, TagValueCtor)
{
uint8_t *data = (uint8_t*)"test";
Tlv t( 0x1F81, Tlv::Value( data, data + 5 ) );
CHECK_FALSE( t.empty() );
CHECK( t.has_tag() );
CHECK_EQUAL( 0x1F81, t.tag().value() );
CHECK( t.has_value() );
std::string s( t.value().begin(), t.value().end() );
STRCMP_EQUAL( "test", s.c_str() );
CHECK_FALSE( t.has_children() );
}
TEST(TlvBuild, TagBufCtor)
{
Tlv t( 0x1F81, (const uint8_t*)"test", 5 );
CHECK_FALSE( t.empty() );
CHECK( t.has_tag() );
CHECK_EQUAL( 0x1F81, t.tag().value() );
CHECK( t.has_value() );
std::string s( t.value().begin(), t.value().end() );
STRCMP_EQUAL( "test", s.c_str() );
CHECK_FALSE( t.has_children() );
}
TEST(TlvBuild, BuildTree1)
{
/*
* 9F8501
* 92 123
* AA
* 8A test
* 93 ABBCCDD
*/
Tlv root( 0x9F8501 );
CHECK_EQUAL( 0x9F8501, root.tag().value() );
root.push_back( Tlv( 0x92, 0x123 ) );
CHECK_EQUAL( 0x92, root.back().tag().value() );
root.push_back( Tlv( 0xAA ) );
CHECK_EQUAL( 0xAA, root.back().tag().value() );
root.back().push_back( Tlv( 0x8A, (const uint8_t*)"test", 4 ) );
CHECK_EQUAL( 0x8A, root.back().back().tag().value() );
root.push_back( Tlv( 0x93, 0xABBCCDD ) );
CHECK_EQUAL( 0x93, root.back().tag().value() );
STRCMP_EQUAL( "9F85011292020123AA068A047465737493040ABBCCDD", hexify( root.dump() ).c_str() );
}
TEST(TlvBuild, BuildTree2)
{
/*
* 9F8501
* 92
* AA
* 8A test
*/
Tlv _8a( 0x8A, (const uint8_t*)"test", 4 );
Tlv _aa( 0xAA, std::move( _8a ) );
Tlv _92( 0x92, std::move( _aa ) );
Tlv root( 0x9F8501, std::move( _92 ) );
STRCMP_EQUAL( "9F85010A9208AA068A0474657374", hexify( root.dump() ).c_str() );
}
TEST(TlvBuild, BuildTree3)
{
/*
* BF800001
* 92 123
* 93
* 8A test
*/
Tlv _92( 0x92, 0x123 );
Tlv _8a( 0x8A, (const uint8_t*)"test", 4 );
Tlv root( 0xBF800001 );
root.push_back( _92 );
root.push_back( Tlv( 0x93 ) );
root.push_back( _8a );
STRCMP_EQUAL( "BF8000010C9202012393008A0474657374", hexify( root.dump() ).c_str() );
}
TEST(TlvBuild, BuildTree4)
{
/*
* 9F8501 test
*/
Tlv root( 0x9F8501, (const uint8_t*)"test", 4 );
STRCMP_EQUAL( "9F85010474657374", hexify( root.dump() ).c_str() );
}
TEST(TlvBuild, BuildTreeList)
{
/*
* 45 1
* 9F8501
* AA
* 8A test
* 93 ABBCCDD
* 5F41 345
*/
Tlv tree;
tree.push_back( Tlv( 0x45, 1 ) );
tree.push_back( Tlv( 0x9F8501 ) );
tree.back().push_back( Tlv( 0xAA ) );
tree.back().back().push_back( Tlv( 0x8A, (const uint8_t*)"test", 4 ) );
tree.back().push_back( Tlv( 0x93, 0xABBCCDD ) );
tree.push_back( Tlv( 0x5F41, 0x345 ) );
STRCMP_EQUAL( "4501019F85010EAA068A047465737493040ABBCCDD5F41020345", hexify( tree.dump() ).c_str() );
}
TEST(TlvBuild, Graft1)
{
/*
* 45 1
* 9F8501
* AA
* 8A test
* 93 ABBCCDD
* 5F41 345
*/
Tlv tree;
{
tree.push_back( Tlv( 0x45, 1 ) );
tree.push_back( Tlv( 0x9F8501 ) );
tree.back().push_back( Tlv( 0x93, 0xABBCCDD ) );
Tlv branch( 0xAA );
branch.push_back( Tlv( 0x8A, (const uint8_t*)"test", 4 ) );
tree.back().push_front( branch );
tree.push_back( Tlv( 0x5F41, 0x345 ) );
}
STRCMP_EQUAL( "4501019F85010EAA068A047465737493040ABBCCDD5F41020345", hexify( tree.dump() ).c_str() );
// Check parent is set properly
auto it = tree.begin();
CHECK_FALSE( tree.has_parent() ); // root has no parent
// 45
CHECK_EQUAL( 0x45, it->tag().value() );
CHECK( it->has_parent() ); // parent is node without tag
CHECK_FALSE( it->has_children() );
CHECK_EQUAL( 1, it->value().at( 0 ) );
// 9F8501
it++;
CHECK_EQUAL( 0x9F8501, it->tag().value() );
CHECK( it->has_parent() ); // parent is node without tag
CHECK( it->has_children() );
auto _9F8501 = it->children();
auto _9F8501_it = _9F8501.begin();
// AA
CHECK_EQUAL( 0xAA, _9F8501_it->tag().value() );
CHECK( _9F8501_it->has_parent() );
CHECK( _9F8501_it->has_children() );
auto _AA = _9F8501_it->children();
auto _AA_it = _AA.begin();
// 8A
CHECK_EQUAL( 0x8A, _AA_it->tag().value() );
CHECK( _AA_it->has_parent() );
CHECK_FALSE( _AA_it->has_children() );
STRCMP_EQUAL( "test", _AA_it->string().c_str() );
// 93
_9F8501_it++;
CHECK_EQUAL( 0x93, _9F8501_it->tag().value() );
CHECK( _9F8501_it->has_parent() );
CHECK_FALSE( _9F8501_it->has_children() );
CHECK_EQUAL( 0x0A, _9F8501_it->value().at( 0 ) );
// 5F41
it++;
CHECK_EQUAL( 0x5F41, it->tag().value() );
CHECK_TRUE( it->has_parent() ); // parent is node without tag
CHECK_FALSE( it->has_children() );
}
TEST(TlvBuild, Graft2)
{
/*
* 45 1
* 9F8501
* 93 ABBCCDD
* AA
* 8A test
* 5F41 345
*/
Tlv tree;
{
tree.push_back( Tlv( 0x45, 1 ) );
tree.push_back( Tlv( 0x9F8501 ) );
tree.back().push_back( Tlv( 0x93, 0xABBCCDD ) );
Tlv branch( 0xAA );
branch.push_back( Tlv( 0x8A, (const uint8_t*)"test", 4 ) );
tree.back().push_back( branch );
tree.push_back( Tlv( 0x5F41, 0x345 ) );
}
STRCMP_EQUAL( "4501019F85010E93040ABBCCDDAA068A04746573745F41020345", hexify( tree.dump() ).c_str() );
}
TEST(TlvBuild, AsString)
{
Tlv t( 0x8A, "test" );
STRCMP_EQUAL( "8A0474657374", hexify( t.dump() ).c_str() );
STRCMP_EQUAL( "test", t.string().c_str() );
}
TEST(TlvBuild, AsBool)
{
Tlv t( 0x8A, true );
STRCMP_EQUAL( "8A0101", hexify( t.dump() ).c_str() );
CHECK_EQUAL( true, t.boolean() );
}
TEST(TlvBuild, AsInt8)
{
int8_t i = 5;
Tlv t( 0x8A, i );
STRCMP_EQUAL( "8A0105", hexify( t.dump() ).c_str() );
CHECK_EQUAL( 5, t.int8() );
i = -5;
Tlv t2( 0x8A, i );
t.swap( t2 );
STRCMP_EQUAL( "8A01FB", hexify( t.dump() ).c_str() );
CHECK_EQUAL( -5, t.int8() );
}
TEST(TlvBuild, AsInt16)
{
int16_t i = 0x555;
Tlv t( 0x8A, i );
STRCMP_EQUAL( "8A020555", hexify( t.dump() ).c_str() );
CHECK_EQUAL( (int16_t)0x555, t.int16() );
i = -1365;
Tlv t2( 0x8A, i );
t.swap( t2 );
STRCMP_EQUAL( "8A02FAAB", hexify( t.dump() ).c_str() );
CHECK_EQUAL( -1365, t.int16() );
}
TEST(TlvBuild, AsInt32)
{
int32_t i = 0x5555555;
Tlv t( 0x8A, i );
STRCMP_EQUAL( "8A0405555555", hexify( t.dump() ).c_str() );
CHECK_EQUAL( (int32_t)0x5555555, t.int32() );
i = -89478485;
Tlv t2( 0x8A, i );
t.swap( t2 );
STRCMP_EQUAL( "8A04FAAAAAAB", hexify( t.dump() ).c_str() );
CHECK_EQUAL( -89478485, t.int32() );
}
TEST(TlvBuild, AsInt64)
{
int64_t i = 0x555555555555555;
Tlv t( 0x8A, i );
STRCMP_EQUAL( "8A080555555555555555", hexify( t.dump() ).c_str() );
CHECK_EQUAL( (int64_t)0x555555555555555, t.int64() );
i = -384307168202282325;
Tlv t2( 0x8A, i );
t.swap( t2 );
STRCMP_EQUAL( "8A08FAAAAAAAAAAAAAAB", hexify( t.dump() ).c_str() );
CHECK_EQUAL( -384307168202282325, t.int64() );
i = 0x123;
t = Tlv( 0x8A, i );
STRCMP_EQUAL( "8A020123", hexify( t.dump() ).c_str() );
CHECK_EQUAL( 0x123, t.int16() );
CHECK_EQUAL( 0x123, t.int32() );
CHECK_EQUAL( 0x123, t.int64() );
}
TEST(TlvBuild, DuplicateTags)
{
/*
* BF01
* 8A 1
* 8B ABC
* 8A 2
* 8B DEF
* 30
* 31 100
* 11 FF
*/
Tlv tree;
{
tree.push_back( Tlv( 0xBF01 ) );
tree.back().push_back( Tlv( 0x8A, 1 ) );
tree.back().push_back( Tlv( 0x8B, "ABC" ) );
tree.back().push_back( Tlv( 0x8A, 2 ) );
tree.back().push_back( Tlv( 0x8B, "DEF" ) );
tree.back().push_back( Tlv( 0x30 ) );
tree.back().back().push_back( Tlv( 0x31, 100 ) );
tree.push_back( Tlv( 0x11, 0xFF ) );
}
STRCMP_EQUAL( "BF01158A01018B034142438A01028B0344454630033101641101FF", hexify( tree.dump() ).c_str() );
}
TEST(TlvBuild, TagWithTrailingZero)
{
Tlv tlv( 0xDFA300, "app123" );
STRCMP_EQUAL( "DFA30006617070313233", hexify( tlv.dump() ).c_str() );
}
TEST(TlvBuild, TraverseDfsFull)
{
/*
* 81 1
* A2
* 83 2
* A4
* 85 3
* 86 4
* A7
* 88 5
*/
Tlv tree;
{
tree.push_back( Tlv( 0x81, 1 ) );
tree.push_back( Tlv( 0xA2 ) );
tree.back().push_back( Tlv( 0x83, 2 ) );
tree.back().push_back( Tlv( 0xA4 ) );
tree.back().back().push_back( Tlv( 0x85, 3 ) );
tree.back().push_back( Tlv( 0x86, 4 ) );
tree.push_back( Tlv( 0xA7 ) );
tree.back().push_back( Tlv( 0x88, 5 ) );
}
int n = 0;
tree.dfs( [&n]( Tlv &node ) {
switch( n )
{
case 0:
CHECK( node.tag().empty() ); // "virtual" root with empty tag
break;
case 1:
CHECK_EQUAL( 0x81, node.tag().value() );
CHECK_EQUAL( 1, node.int32() );
break;
case 2:
CHECK_EQUAL( 0xA2, node.tag().value() );
break;
case 3:
CHECK_EQUAL( 0x83, node.tag().value() );
CHECK_EQUAL( 2, node.int32() );
break;
case 4:
CHECK_EQUAL( 0xA4, node.tag().value() );
break;
case 5:
CHECK_EQUAL( 0x85, node.tag().value() );
CHECK_EQUAL( 3, node.int32() );
break;
case 6:
CHECK_EQUAL( 0x86, node.tag().value() );
CHECK_EQUAL( 4, node.int32() );
break;
case 7:
CHECK_EQUAL( 0xA7, node.tag().value() );
break;
case 8:
CHECK_EQUAL( 0x88, node.tag().value() );
CHECK_EQUAL( 5, node.int32() );
break;
default:
FAIL( "Unexpected call" );
}
n++;
return Tlv::Continue;
} );
CHECK_EQUAL( 9, n );
}
TEST(TlvBuild, TraverseDfsPartial)
{
/*
* 81
* 82 1
* 83
* 84 2
* 85 3
*/
Tlv tree( 0x81 );
{
tree.push_back( Tlv( 0x82, 1 ) );
tree.push_back( Tlv( 0x83 ) );
tree.back().push_back( Tlv( 0x84, 2 ) );
tree.push_back( Tlv( 0x85, 3 ) );
}
int n = 0;
tree.dfs( [&n]( Tlv &node ) {
auto ret = Tlv::Continue;
switch( n )
{
case 0:
CHECK_EQUAL( 0x81, node.tag().value() );
break;
case 1:
CHECK_EQUAL( 0x82, node.tag().value() );
CHECK_EQUAL( 1, node.int32() );
break;
case 2:
CHECK_EQUAL( 0x83, node.tag().value() );
ret = Tlv::Break;;
break;
default:
FAIL( "Unexpected call" );
}
n++;
return ret;
} );
CHECK_EQUAL( 3, n );
}
TEST(TlvBuild, TraverseBfsFull)
{
/*
* A2
* 83 2
* A4
* 85 3
* 86 4
*/
Tlv tree( 0xA2 );
{
tree.push_back( Tlv( 0x83, 2 ) );
tree.push_back( Tlv( 0xA4 ) );
tree.back().push_back( Tlv( 0x85, 3 ) );
tree.push_back( Tlv( 0x86, 4 ) );
}
int n = 0;
tree.bfs( [&n]( Tlv &node ) {
switch( n )
{
case 0:
CHECK_EQUAL( 0xA2, node.tag().value() );
break;
case 1:
CHECK_EQUAL( 0x83, node.tag().value() );
CHECK_EQUAL( 2, node.int32() );
break;
case 2:
CHECK_EQUAL( 0xA4, node.tag().value() );
break;
case 3:
CHECK_EQUAL( 0x86, node.tag().value() );
CHECK_EQUAL( 4, node.int32() );
break;
case 4:
CHECK_EQUAL( 0x85, node.tag().value() );
CHECK_EQUAL( 3, node.int32() );
break;
default:
FAIL( "Unexpected call" );
}
n++;
return Tlv::Continue;
} );
CHECK_EQUAL( 5, n );
}
TEST(TlvBuild, TraverseBfsFullList)
{
/*
* 81 1
* A2
* 83 2
* A4
* 85 3
* 86 4
* A7
* 88 5
*/
Tlv tree;
{
tree.push_back( Tlv( 0x81, 1 ) );
tree.push_back( Tlv( 0xA2 ) );
tree.back().push_back( Tlv( 0x83, 2 ) );
tree.back().push_back( Tlv( 0xA4 ) );
tree.back().back().push_back( Tlv( 0x85, 3 ) );
tree.back().push_back( Tlv( 0x86, 4 ) );
tree.push_back( Tlv( 0xA7 ) );
tree.back().push_back( Tlv( 0x88, 5 ) );
}
int n = 0;
tree.bfs( [&n]( Tlv &node ) {
switch( n )
{
case 0:
CHECK( node.tag().empty() ); // "virtual" root with empty tag
break;
case 1:
CHECK_EQUAL( 0x81, node.tag().value() );
CHECK_EQUAL( 1, node.int32() );
break;
case 2:
CHECK_EQUAL( 0xA2, node.tag().value() );
break;
case 3:
CHECK_EQUAL( 0xA7, node.tag().value() );
break;
case 4:
CHECK_EQUAL( 0x83, node.tag().value() );
CHECK_EQUAL( 2, node.int32() );
break;
case 5:
CHECK_EQUAL( 0xA4, node.tag().value() );
break;
case 6:
CHECK_EQUAL( 0x86, node.tag().value() );
CHECK_EQUAL( 4, node.int32() );
break;
case 7:
CHECK_EQUAL( 0x88, node.tag().value() );
CHECK_EQUAL( 5, node.int32() );
break;
case 8:
CHECK_EQUAL( 0x85, node.tag().value() );
CHECK_EQUAL( 3, node.int32() );
break;
default:
FAIL( "Unexpected call" );
}
n++;
return Tlv::Continue;
} );
CHECK_EQUAL( 9, n );
}
TEST(TlvBuild, TraverseBfsPartial)
{
/*
* 81 1
* A2
* 83 2
* A4
* 85 3
* 86 4
* A7
* 88 5
*/
Tlv tree;
{
tree.push_back( Tlv( 0x81, 1 ) );
tree.push_back( Tlv( 0xA2 ) );
tree.back().push_back( Tlv( 0x83, 2 ) );
tree.back().push_back( Tlv( 0xA4 ) );
tree.back().back().push_back( Tlv( 0x85, 3 ) );
tree.back().push_back( Tlv( 0x86, 4 ) );
tree.push_back( Tlv( 0xA7 ) );
tree.back().push_back( Tlv( 0x88, 5 ) );
}
int n = 0;
tree.bfs( [&n]( Tlv &node ) {
switch( n )
{
case 0:
CHECK( node.tag().empty() ); // "virtual" root with empty tag
break;
case 1:
CHECK_EQUAL( 0x81, node.tag().value() );
CHECK_EQUAL( 1, node.int32() );
break;
case 2:
CHECK_EQUAL( 0xA2, node.tag().value() );
break;
case 3:
CHECK_EQUAL( 0xA7, node.tag().value() );
break;
case 4:
CHECK_EQUAL( 0x83, node.tag().value() );
CHECK_EQUAL( 2, node.int32() );
break;
case 5:
CHECK_EQUAL( 0xA4, node.tag().value() );
return Tlv::Break;
default:
FAIL( "Unexpected call" );
}
n++;
return Tlv::Continue;
} );
CHECK_EQUAL( 5, n );
}
TEST(TlvBuild, SetParent)
{
Tlv root( 0xAA, 10 );
CHECK( root.has_value() );
Tlv node( 0xA1, "test" );
node.set_parent( root );
CHECK_FALSE( root.has_value() );
CHECK( root.has_children() );
CHECK( root.children().back().identical( node ) );
STRCMP_EQUAL( "AA06A10474657374", hexify( root.dump() ).c_str() );
}
TEST(TlvBuild, DetachParent)
{
Tlv root( 0xAA );
Tlv child( 0xD1, "test" );
root.push_back(child);
CHECK(root.has_children());
CHECK(child.has_parent());
child.detach();
CHECK_FALSE(root.has_children());
CHECK_FALSE(child.has_parent());
}
TEST(TlvBuild, ReParent)
{
Tlv root( 0xF1 );
Tlv root2( 0xF2 );
Tlv child1( 0xD1 );
Tlv child2( 0xD1 );
Tlv child3( 0xD1 );
root.push_back( child1 );
root.push_back( child1 );
CHECK_EQUAL( 1, root.num_children() );
root.push_back( child2 );
root.push_back( child3 );
CHECK_EQUAL( 3, root.num_children() );
// children move from root1 to root2
root2.push_front( child1 );
root2.push_back( child2 );
child3.set_parent( root2 );
CHECK_EQUAL( 3, root2.num_children() );
CHECK_EQUAL( 0, root.num_children() );
// remove children
CHECK( child3.has_parent() );
root2.pop_back();
CHECK_FALSE( child3.has_parent() );
CHECK( child1.has_parent() );
root2.pop_front();
CHECK_FALSE( child1.has_parent() );
CHECK_EQUAL( 1, root2.num_children() );
}
TEST(TlvBuild, TraverseDetach)
{
Tlv root( 0xAA );
root.push_back( Tlv( 0x88, 1 ) );
root.push_back( Tlv( 0x89, 2 ) );
root.front().detach();
STRCMP_EQUAL( "AA03890102", hexify( root.dump() ).c_str() );
}
TEST( TlvBuild, LongLengthEncoding )
{
std::vector<uint8_t> data( 0xFF /*size*/, 0xF );
std::vector<uint8_t> data2( 0x101 /*size*/, 0xF );
Tlv root( 0xFE, data );
root.push_back( Tlv( 0xDE, data ) );
root.push_back( Tlv( 0xDE, data2 ) );
auto tlvData = root.dump();
// FE 82 02 01 DE 81 FF 0F ... DE 82 01 01 0F ...
CHECK_EQUAL( 0xFE, tlvData[0] );
CHECK_EQUAL( 0x82, tlvData[1] );
CHECK_EQUAL( 0x02, tlvData[2] );
CHECK_EQUAL( 0x07, tlvData[3] ); // 0x200 + 3 + 4
CHECK_EQUAL( 0xDE, tlvData[4] );
CHECK_EQUAL( 0x81, tlvData[5] );
CHECK_EQUAL( 0xFF, tlvData[6] );
CHECK_EQUAL( 0x0F, tlvData[7] );
CHECK_EQUAL( 0xDE, tlvData[262] );
CHECK_EQUAL( 0x82, tlvData[263] );
CHECK_EQUAL( 0x01, tlvData[264] );
CHECK_EQUAL( 0x01, tlvData[265] );
CHECK_EQUAL( 0x0F, tlvData[266] );
CHECK_EQUAL( 0x20B, tlvData.size() );
Tlv parsedData;
auto status = parsedData.parse( tlvData.data(), tlvData.size(), 2 );
CHECK_TRUE( status );
CHECK_TRUE( parsedData.has_tag() );
CHECK_EQUAL( 0xFE, parsedData.tag().value() );
CHECK_TRUE( parsedData.tag().constructed() );
CHECK_EQUAL( 2, parsedData.children().size() );
CHECK_TRUE( parsedData.children().front().has_tag() );
CHECK_TRUE( parsedData.children().back().has_tag() );
CHECK_EQUAL( 0xDE, parsedData.children().front().tag().value() );
CHECK_EQUAL( 0xDE, parsedData.children().back().tag().value() );
CHECK_FALSE( parsedData.children().front().tag().constructed() );
CHECK_FALSE( parsedData.children().back().tag().constructed() );
CHECK_TRUE( parsedData.children().front().value() == data );
CHECK_TRUE( parsedData.children().back().value() == data2 );
}
TEST(TlvBuild, DeepBranches)
{
/*
* F1
* F2
* F3
* D4 01
* F2
* F3
* D4 01
*/
Tlv root( 0xF1 );
for( int i = 0; i < 2; i++ )
{
Tlv f2( 0xF2 );
root.push_back( f2 );
Tlv f3( 0xF3 );
f2.push_back( f3 );
Tlv d4( 0xD4, 1 );
f3.push_back( d4 );
}
STRCMP_EQUAL( "F10EF205F303D40101F205F303D40101", hexify( root.dump() ).c_str() );
}
TEST(TlvBuild, ParentDestroyed)
{
Tlv child( 0xD1, 1 );
{
Tlv root( 0xF1 );
root.push_back( child );
CHECK_TRUE( child.has_parent() );
}
// Root is destroyed when out of scope, since not referenced by any other node
CHECK_FALSE( child.has_parent() );
}
TEST(TlvBuild, ChildNotDestroyed)
{
Tlv root( 0xF1 );
{
Tlv child( 0xD1, 1 );
root.push_back( child );
CHECK_TRUE( child.has_parent() );
}
// Child is not destroyed when out of scope, since still referenced by root
CHECK_TRUE( root.has_children() );
CHECK_EQUAL( 0xD1, root.front().tag().value() );
CHECK_TRUE( root.front().has_parent() );
}
TEST(TlvBuild, EmptyTree)
{
Tlv root;
CHECK_TRUE( root.empty() );
CHECK_EQUAL( 0, root.dump().size() );
}
TEST(TlvBuild, RootWithoutTag)
{
Tlv root; // has no tag
root.push_back( Tlv( 0xD1, 0xFF ) );
root.push_back( Tlv( 0xD2, 0xFF ) );
CHECK_TRUE( root.tag().empty() );