LUMIERA.clone/tests/library/time/time-parsing-test.cpp
Ichthyostega ada5cefaaf re-arrange tests according to layer structure
the buildsystem will now pick up and link
all test cases according to the layer, e.g.
backend tests will automatically be linked
against the backend + library solely.
2013-01-07 05:43:01 +01:00

215 lines
7.9 KiB
C++

/*
TimeParsing(Test) - handling textual time(code) specifications
Copyright (C) Lumiera.org
2011, Hermann Vosseler <Ichthyostega@web.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
#include "lib/test/run.hpp"
#include "lib/test/test-helper.hpp"
#include "proc/asset/meta/time-grid.hpp"
#include "lib/time/quantiser.hpp"
#include "lib/time/timecode.hpp"
#include "lib/symbol.hpp"
#include "lib/util.hpp"
using lib::Symbol;
using util::cStr;
namespace lib {
namespace time{
namespace test{
using proc::asset::meta::TimeGrid;
using format::LUMIERA_ERROR_INVALID_TIMECODE;
namespace { // Helper for writing test cases
Symbol DEFAULT_GRID = "pal0";
Symbol OFFSET_GRID = "pal10";
/**
* Expression builder
* for writing time value parsing tests
*/
template<class FMT>
class Parsing
{
string const& timeSpec_;
PQuant grid_;
public:
Parsing (string const& toParse, Symbol gridID =DEFAULT_GRID)
: timeSpec_(toParse)
, grid_(Quantiser::retrieve(gridID))
{ }
void
should_yield (TimeValue const& expected)
{
TimeValue parsed = FMT::parse (timeSpec_, *grid_);
CHECK (parsed == expected, "parsing '%s' resulted in %s instead of %s"
, cStr(timeSpec_)
, cStr(Time(parsed))
, cStr(Time(expected)));
}
void
should_yield (FSecs const& expectedSecs)
{
should_yield (Time (expectedSecs));
}
void
should_fail ()
{
VERIFY_ERROR (INVALID_TIMECODE, FMT::parse (timeSpec_, *grid_));
}
};
}//(End)Test case helper
/********************************************************
* @test parse textual time specifications given
* in the supported timecode formats
*/
class TimeParsing_test : public Test
{
virtual void
run (Arg)
{
defineTestTimeGrids();
parseFrames();
parseFractionalSeconds();
/////////////////////////////////////////////TODO
// parseHms();
// parseSmpte();
// parseDropFrame();
}
void
defineTestTimeGrids()
{
TimeGrid::build(DEFAULT_GRID, FrameRate::PAL);
TimeGrid::build(OFFSET_GRID, FrameRate::PAL, Time(0,10));
}
void
parseFrames ()
{
Parsing<format::Frames> ("0#") .should_yield (0);
Parsing<format::Frames> ("1#") .should_yield (FSecs(1,25) );
Parsing<format::Frames> ("-1#") .should_yield (FSecs(-1,25) );
Parsing<format::Frames> ("-0#") .should_yield (0);
Parsing<format::Frames> ("25#") .should_yield (1 );
Parsing<format::Frames> ("26#") .should_yield (Time(40,1) );
Parsing<format::Frames> ("25#", OFFSET_GRID).should_yield (1+10 );
Parsing<format::Frames> ("-1#", OFFSET_GRID).should_yield (10 - FSecs(1,25));
Parsing<format::Frames> ("23") .should_fail();
Parsing<format::Frames> ("23 #") .should_fail();
Parsing<format::Frames> ("23.#") .should_fail();
Parsing<format::Frames> ("23x#") .should_fail();
Parsing<format::Frames> ("xxx25#xxx") .should_yield (1);
Parsing<format::Frames> ("12 25#") .should_yield (1);
Parsing<format::Frames> ("12 25# 33#") .should_yield (1); // note pitfall: the first valid number is used
Parsing<format::Frames> ("12\n 25# \n 33#") .should_yield (1);
Parsing<format::Frames> ("12.25#") .should_fail(); // rejected because of leading dot (ambiguity)
}
void
parseFractionalSeconds ()
{
Parsing<format::Seconds> ("0sec") .should_yield (0);
Parsing<format::Seconds> ("1sec") .should_yield (1);
Parsing<format::Seconds> ("10sec") .should_yield (10);
Parsing<format::Seconds> ("100sec") .should_yield (100);
Parsing<format::Seconds> ("-10sec") .should_yield (-10);
Parsing<format::Seconds> ("-0sec") .should_yield (0);
Parsing<format::Seconds> ("1/2sec") .should_yield (Time(500,0) );
Parsing<format::Seconds> ("1/25sec") .should_yield (Time( 40,0) );
Parsing<format::Seconds> ("1/250sec") .should_yield (Time( 4,0) ); // no quantisation involved in parsing
Parsing<format::Seconds> ("1/250sec", OFFSET_GRID).should_yield (Time(4,10)); // ...but the origin of the grid is used
Parsing<format::Seconds> ("10/2sec") .should_yield (5);
Parsing<format::Seconds> ("1000/200sec") .should_yield (5);
Parsing<format::Seconds> ("-10/2sec") .should_yield (-5);
Parsing<format::Seconds> ("10/-2sec") .should_fail(); // only leading sign allowed (ambiguity)
Parsing<format::Seconds> ("1+1/2sec") .should_yield (Time(500,1) );
Parsing<format::Seconds> ("1-1/2sec") .should_yield (Time(500,0) );
Parsing<format::Seconds> ("-1-1/2sec") .should_yield (-Time(500,1) );
Parsing<format::Seconds> ("-1+1/2sec") .should_yield (-Time(500,0) );
Parsing<format::Seconds> ("-1+1/-2sec") .should_fail();
Parsing<format::Seconds> ("-12+24690/12345sec", OFFSET_GRID).should_yield(0); // origin=+10sec -12sec + 2/1sec == 0
Parsing<format::Seconds> ("1") .should_fail();
Parsing<format::Seconds> ("1 sec") .should_fail();
Parsing<format::Seconds> ("--1sec") .should_fail();
Parsing<format::Seconds> ("/-1sec") .should_fail();
Parsing<format::Seconds> ("1.2sec") .should_fail();
Parsing<format::Seconds> ("1/.2sec") .should_fail();
Parsing<format::Seconds> ("1 + 2 / 4 sec") .should_fail();
Parsing<format::Seconds> ("1 + 2 / 4sec") .should_yield(4); // note pitfall: leading garbage not considered
Parsing<format::Seconds> ("xxx4secxxxx") .should_yield(4);
Parsing<format::Seconds> ("x1# 8/2sec 2sec").should_yield(4); // note pitfall: first valid number used
}
void
parseHms ()
{
UNIMPLEMENTED ("verify reading hour-minutes-seconds-millis time specs");
}
void
parseSmpte ()
{
}
void
parseDropFrame ()
{
UNIMPLEMENTED ("verify especially SMPTE-drop-frame timecode");
}
};
/** Register this test class... */
LAUNCHER (TimeParsing_test, "unit common");
}}} // namespace lib::time::test