add: Basic BIO implementation for SLIP

[cassiopeia.git] / test / src / slipBioTest.cpp

diff --git a/test/src/slipBioTest.cpp b/test/src/slipBioTest.cpp
new file mode 100644 (file)
index 0000000..a54637f
--- /dev/null
+++ b/test/src/slipBioTest.cpp
@@ -0,0 +1,108 @@
+#include <iostream>
+#include <cstring>
+
+#include <boost/test/unit_test.hpp>
+
+#include "bios.h"
+#include "slipBio.h"
+
+class OpensslBIOVector : public OpensslBIO {
+private:
+    std::vector<std::vector<char>>::iterator it, end;
+    std::vector<std::vector<char>> input;
+
+public:
+    std::vector<std::vector<char>> result = std::vector<std::vector<char>>();
+    OpensslBIOVector( std::vector<std::vector<char>> data ) {
+        input = data;
+        it = input.begin();
+        end = input.end();
+    }
+
+    int write( const char* buf, int num );
+    int read( char* buf, int size );
+    long ctrl( int cmod, long arg1, void* arg2 );
+
+    static const char* getName();
+};
+
+int OpensslBIOVector::write( const char* buf, int num ) {
+    result.push_back( std::vector<char>( buf, buf + num ) );
+    return num;
+}
+
+int OpensslBIOVector::read( char* buf, int size ) {
+    if( it == end ) {
+        return -1;
+    }
+
+    if( ( unsigned int ) size < it->size() ) {
+        throw "Error, to small buffer";
+    }
+
+    std::copy( it->begin(), it->end(), buf );
+    auto result = it->size();
+    it++;
+    return result;
+}
+
+long OpensslBIOVector::ctrl( int cmod, long arg1, void* arg2 ) {
+    ( void ) cmod;
+    ( void ) arg1;
+    ( void ) arg2;
+    return 0;
+}
+
+const char* OpensslBIOVector::getName() {
+    return "dummyBIO";
+}
+
+BOOST_AUTO_TEST_SUITE( TestSLIPBioWrapper )
+
+BOOST_AUTO_TEST_CASE( TestMockup ) {
+    std::vector<std::vector<char>> source = {{1, 2}, {1, 2, 3}, {1, 2, 3, 4}, {1, 2, 3, 4, 5}};
+
+    OpensslBIOVector* data = new OpensslBIOVector( source );
+
+    char buf[4096];
+
+    for( auto it = source.begin(); it != source.end(); it++ ) {
+        auto len = data->read( buf, sizeof( buf ) );
+        BOOST_CHECK_EQUAL( len, it->size() );
+        BOOST_CHECK_EQUAL_COLLECTIONS( buf, buf + len, it->begin(), it->end() );
+        BOOST_CHECK_EQUAL( data->write( buf, len ), len );
+    }
+
+    BOOST_CHECK_EQUAL( data->read( buf, sizeof( buf ) ), -1 );
+
+    for( unsigned int i = 0; i < source.size(); i++ ) {
+        BOOST_CHECK_EQUAL_COLLECTIONS( data->result[i].begin(), data->result[i].end(), source[i].begin(), source[i].end() );
+    }
+
+    delete data;
+}
+
+BOOST_AUTO_TEST_CASE( TestSLIP ) {
+    std::vector<std::vector<char>> source = { {1, 2, 3, 4, 5, ( char ) 0xc0, 1, ( char ) 0xc0}, {1, 2}, {( char ) 0xc0}, {1, ( char ) 0xdb}, {( char ) 0xdc}, {( char ) 0xc0, ( char )0xdb}, {( char ) 0xdd, 2}, {( char ) 0xc0}};
+    std::shared_ptr<OpensslBIOVector> data = std::shared_ptr<OpensslBIOVector>( new OpensslBIOVector( source ) );
+    char buf[4096];
+    SlipBIO* slip = new SlipBIO( data );
+    int res = slip->read( buf, sizeof( buf ) );
+    BOOST_CHECK_EQUAL( res, 5 );
+    res = slip->read( buf, sizeof( buf ) );
+    BOOST_CHECK_EQUAL( res, 1 );
+    res = slip->read( buf, sizeof( buf ) );
+    BOOST_CHECK_EQUAL( res, 2 );
+
+    res = slip->read( buf, sizeof( buf ) );
+    BOOST_CHECK_EQUAL( res, 2 );
+    char res2[] = {1, ( char ) 0xc0};
+    BOOST_CHECK_EQUAL_COLLECTIONS( buf, buf + 2, res2, res2 + 2 );
+
+    res = slip->read( buf, sizeof( buf ) );
+    BOOST_CHECK_EQUAL( res, 2 );
+    char res3[] = {( char ) 0xdb, 2};
+    BOOST_CHECK_EQUAL_COLLECTIONS( buf, buf + 2, res3, res3 + 2 );
+}
+
+BOOST_AUTO_TEST_SUITE_END()