Ichthyostega
a90b9e5f16
In the Lumiera code base, we use C-String constants as unique error-IDs. Basically this allows to create new unique error IDs anywhere in the code. However, definition of such IDs in arbitrary namespaces tends to create slight confusion and ambiguities, while maintaining the proper use statements requires some manual work. Thus I introduce a new **standard scheme** * Error-IDs for widespread use shall be defined _exclusively_ into `namespace lumiera::error` * The shorthand-Macro `LERR_()` can now be used to simplify inclusion and referral * (for local or single-usage errors, a local or even hidden definition is OK)
219 lines
8 KiB
C++
219 lines
8 KiB
C++
/*
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TimeParsing(Test) - handling textual time(code) specifications
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Copyright (C) Lumiera.org
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2011, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file time-parsing-test.cpp
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** unit test \ref TimeParsing_test
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*/
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#include "lib/test/run.hpp"
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#include "lib/test/test-helper.hpp"
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#include "steam/asset/meta/time-grid.hpp"
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#include "lib/time/quantiser.hpp"
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#include "lib/time/timecode.hpp"
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#include "lib/symbol.hpp"
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#include "lib/util.hpp"
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using lib::Symbol;
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namespace lib {
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namespace time{
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namespace test{
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using steam::asset::meta::TimeGrid;
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using LERR_(INVALID_TIMECODE);
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namespace { // Helper for writing test cases
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Symbol DEFAULT_GRID = "pal0";
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Symbol OFFSET_GRID = "pal10";
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/**
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* Expression builder
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* for writing time value parsing tests
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*/
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template<class FMT>
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class Parsing
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{
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string const& timeSpec_;
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PQuant grid_;
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public:
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Parsing (string const& toParse, Symbol gridID =DEFAULT_GRID)
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: timeSpec_(toParse)
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, grid_(Quantiser::retrieve(gridID))
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{ }
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void
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should_yield (TimeValue const& expected)
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{
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TimeValue parsed = FMT::parse (timeSpec_, *grid_);
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CHECK (parsed == expected, "parsing '%s' resulted in %s instead of %s"
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, cStr(timeSpec_)
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, cStr(Time(parsed))
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, cStr(Time(expected)));
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}
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void
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should_yield (FSecs const& expectedSecs)
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{
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should_yield (Time (expectedSecs));
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}
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void
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should_fail ()
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{
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VERIFY_ERROR (INVALID_TIMECODE, FMT::parse (timeSpec_, *grid_));
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}
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};
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}//(End)Test case helper
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/****************************************************//**
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* @test parse textual time specifications given
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* in the supported timecode formats
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*/
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class TimeParsing_test : public Test
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{
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virtual void
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run (Arg)
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{
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defineTestTimeGrids();
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parseFrames();
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parseFractionalSeconds();
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/////////////////////////////////////////////TODO
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// parseHms();
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// parseSmpte();
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// parseDropFrame();
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}
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void
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defineTestTimeGrids()
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{
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TimeGrid::build(DEFAULT_GRID, FrameRate::PAL);
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TimeGrid::build(OFFSET_GRID, FrameRate::PAL, Time(0,10));
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}
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void
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parseFrames ()
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{
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Parsing<format::Frames> ("0#") .should_yield (0);
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Parsing<format::Frames> ("1#") .should_yield (FSecs(1,25) );
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Parsing<format::Frames> ("-1#") .should_yield (FSecs(-1,25) );
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Parsing<format::Frames> ("-0#") .should_yield (0);
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Parsing<format::Frames> ("25#") .should_yield (1 );
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Parsing<format::Frames> ("26#") .should_yield (Time(40,1) );
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Parsing<format::Frames> ("25#", OFFSET_GRID).should_yield (1+10 );
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Parsing<format::Frames> ("-1#", OFFSET_GRID).should_yield (10 - FSecs(1,25));
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Parsing<format::Frames> ("23") .should_fail();
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Parsing<format::Frames> ("23 #") .should_fail();
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Parsing<format::Frames> ("23.#") .should_fail();
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Parsing<format::Frames> ("23x#") .should_fail();
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Parsing<format::Frames> ("xxx25#xxx") .should_yield (1);
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Parsing<format::Frames> ("12 25#") .should_yield (1);
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Parsing<format::Frames> ("12 25# 33#") .should_yield (1); // note pitfall: the first valid number is used
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Parsing<format::Frames> ("12 25# \n 33#") .should_yield (1);
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Parsing<format::Frames> ("12\n 25# \n 33#") .should_yield (1);
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Parsing<format::Frames> ("12.25#") .should_fail(); // rejected because of leading dot (ambiguity)
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}
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void
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parseFractionalSeconds ()
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{
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Parsing<format::Seconds> ("0sec") .should_yield (0);
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Parsing<format::Seconds> ("1sec") .should_yield (1);
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Parsing<format::Seconds> ("10sec") .should_yield (10);
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Parsing<format::Seconds> ("100sec") .should_yield (100);
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Parsing<format::Seconds> ("-10sec") .should_yield (-10);
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Parsing<format::Seconds> ("-0sec") .should_yield (0);
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Parsing<format::Seconds> ("1/2sec") .should_yield (Time(500,0) );
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Parsing<format::Seconds> ("1/25sec") .should_yield (Time( 40,0) );
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Parsing<format::Seconds> ("1/250sec") .should_yield (Time( 4,0) ); // no quantisation involved in parsing
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Parsing<format::Seconds> ("1/250sec", OFFSET_GRID).should_yield (Time(4,10)); // ...but the origin of the grid is used
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Parsing<format::Seconds> ("10/2sec") .should_yield (5);
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Parsing<format::Seconds> ("1000/200sec") .should_yield (5);
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Parsing<format::Seconds> ("-10/2sec") .should_yield (-5);
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Parsing<format::Seconds> ("10/-2sec") .should_fail(); // only leading sign allowed (ambiguity)
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Parsing<format::Seconds> ("1+1/2sec") .should_yield (Time(500,1) );
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Parsing<format::Seconds> ("1-1/2sec") .should_yield (Time(500,0) );
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Parsing<format::Seconds> ("-1-1/2sec") .should_yield (-Time(500,1) );
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Parsing<format::Seconds> ("-1+1/2sec") .should_yield (-Time(500,0) );
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Parsing<format::Seconds> ("-1+1/-2sec") .should_fail();
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Parsing<format::Seconds> ("-12+24690/12345sec", OFFSET_GRID).should_yield(0); // origin=+10sec -12sec + 2/1sec == 0
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Parsing<format::Seconds> ("1") .should_fail();
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Parsing<format::Seconds> ("1 sec") .should_fail();
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Parsing<format::Seconds> ("--1sec") .should_fail();
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Parsing<format::Seconds> ("/-1sec") .should_fail();
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Parsing<format::Seconds> ("1.2sec") .should_fail();
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Parsing<format::Seconds> ("1/.2sec") .should_fail();
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Parsing<format::Seconds> ("1 + 2 / 4 sec") .should_fail();
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Parsing<format::Seconds> ("1 + 2 / 4sec") .should_yield(4); // note pitfall: leading garbage not considered
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Parsing<format::Seconds> ("xxx4secxxxx") .should_yield(4);
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Parsing<format::Seconds> ("x1# 8/2sec 2sec").should_yield(4); // note pitfall: first valid number used
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}
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void
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parseHms ()
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{
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UNIMPLEMENTED ("verify reading hour-minutes-seconds-millis time specs");
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}
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void
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parseSmpte ()
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{
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}
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void
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parseDropFrame ()
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{
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UNIMPLEMENTED ("verify especially SMPTE-drop-frame timecode");
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}
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};
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/** Register this test class... */
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LAUNCHER (TimeParsing_test, "unit common");
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}}} // namespace lib::time::test
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