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#include "TestSetup.h"
#include "utils/text.h"
BOOST_AUTO_TEST_CASE(out_of_bounds_read_issue_167)
{
/*See https://github.com/openSUSE/zypper/issues/167
* MbsIterator did not check for atEnd() when iterating over
* UTF-8 chars that continue a multibyte sequence, especially
* bytes in the range from \200 to \277 made the implementation
* read out of bounds. This check makes sure we do not regress on that.
* */
cout << "locale set to: " << setlocale (LC_CTYPE, "C.UTF-8") << endl;
mbs::MbsIterator it( "ABC\0\200\210\220\277\0" );
while ( !it.atEnd() ) {
++it;
}
//if we did read after the C, the count will be 5, in this
//case we hit the bug
BOOST_CHECK_EQUAL( it.size(), 1 );
}
BOOST_AUTO_TEST_CASE(mbs_invalid_chars)
{
mbs::MbsIterator it( "A\377\377Z" );
BOOST_CHECK_EQUAL( *it, L'A' );
BOOST_CHECK_EQUAL( it.size(), 1 );
BOOST_CHECK_EQUAL( it.columns(), 1 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), false );
BOOST_CHECK_EQUAL( it.isCH(), true );
++it; // '
BOOST_CHECK_EQUAL( *it, L'?' );
BOOST_CHECK_EQUAL( it.size(), 1 );
BOOST_CHECK_EQUAL( it.columns(), 1 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), false );
BOOST_CHECK_EQUAL( it.isCH(), true );
++it; // '
BOOST_CHECK_EQUAL( *it, L'?' );
BOOST_CHECK_EQUAL( it.size(), 1 );
BOOST_CHECK_EQUAL( it.columns(), 1 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), false );
BOOST_CHECK_EQUAL( it.isCH(), true );
++it; // '
BOOST_CHECK_EQUAL( *it, L'Z' );
BOOST_CHECK_EQUAL( it.size(), 1 );
BOOST_CHECK_EQUAL( it.columns(), 1 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), false );
BOOST_CHECK_EQUAL( it.isCH(), true );
++it;
BOOST_CHECK_EQUAL( *it, L'\0' );
BOOST_CHECK_EQUAL( it.atEnd(), true );
}
BOOST_AUTO_TEST_CASE(mbs_width_test)
{
unsigned width = mbs_width("Koľko stĺpcov zaberajú znaky '和平'?");
BOOST_CHECK_EQUAL(width, 36);
}
BOOST_AUTO_TEST_CASE(mbs_substr_by_width_test)
{
std::string s = "玄米茶空想紅茶です";
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 0, 6), "玄米茶");
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 6), "空想紅茶です");
// the third character cut in halfL
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 0, 5), "玄米 ");
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 5), " 空想紅茶です");
// n = 0 must give empty string
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 6, 0), "");
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 5, 0), "");
// n = 1 must give (clipped) size 1 string
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 6, 1), " ");
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 5, 1), " ");
// n = 2 must give (clipped?) size 2 string...
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 6, 2), "空");
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 5, 2), " ");
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 6, 3), "空 ");
BOOST_CHECK_EQUAL(mbs_substr_by_width(s, 5, 3), " 空");
}
BOOST_AUTO_TEST_CASE(mbs_iterator)
{
Zypper::instance().configNoConst().do_colors = true;
BOOST_CHECK_EQUAL( Zypper::instance().config().do_colors, true );
ColorString cs( "'和\t平'", ColorContext::NEGATIVE );
const std::string & s( cs.str() );
// str: \033[22;27;31;49m ' \345\222\214 \t \345\271\263 ' \033[0m (\t converted to L' ' in *it)
// size: 14 1 3 1 3 1 4 = 27
// startcol: 0 0 1 3 4 6 7
// columns: 0 1 2 1 2 1 0 = 7
// endcol: 0 1 3 4 6 7 7
// substrs: \_________________/ \__________/ V \__________/ V \_____/
BOOST_CHECK_EQUAL( s.size(), 27 );
BOOST_CHECK_EQUAL( mbs_width(s), 7 );
mbs::MbsIterator it( s );
BOOST_CHECK_EQUAL( *it, L'\033' );
BOOST_CHECK_EQUAL( it.size(), 14 );
BOOST_CHECK_EQUAL( it.columns(), 0 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), false );
BOOST_CHECK_EQUAL( it.isCH(), true ); // isCH includes SGR!
++it; // '
BOOST_CHECK_EQUAL( *it, L'\'' );
BOOST_CHECK_EQUAL( it.size(), 1 );
BOOST_CHECK_EQUAL( it.columns(), 1 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), false );
BOOST_CHECK_EQUAL( it.isCH(), true );
++it; // 和
BOOST_CHECK_EQUAL( *it, L'和' );
BOOST_CHECK_EQUAL( it.size(), 3 );
BOOST_CHECK_EQUAL( it.columns(), 2 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), false );
BOOST_CHECK_EQUAL( it.isCH(), true );
++it; // ' ' (\t converted to L' ' in *it)
BOOST_CHECK_EQUAL( *it, L' ' );
BOOST_CHECK_EQUAL( it.size(), 1 );
BOOST_CHECK_EQUAL( it.columns(), 1 );
BOOST_CHECK_EQUAL( it.atEnd(), false );
BOOST_CHECK_EQUAL( it.isNL(), false );
BOOST_CHECK_EQUAL( it.isWS(), true );
BOOST_CHECK_EQUAL( it.isCH(), false );
++it;
BOOST_CHECK_EQUAL( *it, L'平' );
BOOST_CHECK_EQUAL( it.atEnd(), false );
++it;
BOOST_CHECK_EQUAL( *it, L'\'' );
BOOST_CHECK_EQUAL( it.atEnd(), false );
++it;
BOOST_CHECK_EQUAL( *it, L'\033' );
BOOST_CHECK_EQUAL( it.atEnd(), false );
++it;
BOOST_CHECK_EQUAL( *it, L'\0' );
BOOST_CHECK_EQUAL( it.atEnd(), true );
++it;
BOOST_CHECK_EQUAL( *it, L'\0' ); // stays at end
BOOST_CHECK_EQUAL( it.atEnd(), true );
}
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