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livetrax/libs/evoral/test/RangeTest.cpp

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#include "RangeTest.hpp"
#include "evoral/Range.hpp"
#include <stdlib.h>
CPPUNIT_TEST_SUITE_REGISTRATION (RangeTest);
using namespace Evoral;
void
RangeTest::coalesceTest ()
{
RangeList<int> fred;
fred.add (Range<int> (2, 4));
fred.add (Range<int> (5, 6));
fred.add (Range<int> (6, 8));
RangeList<int>::List jim = fred.get ();
RangeList<int>::List::iterator i = jim.begin ();
CPPUNIT_ASSERT_EQUAL (2, i->from);
CPPUNIT_ASSERT_EQUAL (4, i->to);
++i;
CPPUNIT_ASSERT_EQUAL (5, i->from);
CPPUNIT_ASSERT_EQUAL (8, i->to);
}
/* Basic subtraction of a few smaller ranges from a larger one */
void
RangeTest::subtractTest1 ()
{
/* 01234567890
* fred: |---------|
* jim: |-| ||
* sheila: || || ||
*/
Range<int> fred (0, 10);
RangeList<int> jim;
jim.add (Range<int> (2, 4));
jim.add (Range<int> (7, 8));
RangeList<int> sheila = subtract (fred, jim);
RangeList<int>::List s = sheila.get ();
CPPUNIT_ASSERT_EQUAL (size_t (3), s.size ());
RangeList<int>::List::iterator i = s.begin ();
CPPUNIT_ASSERT_EQUAL (0, i->from);
CPPUNIT_ASSERT_EQUAL (1, i->to);
++i;
CPPUNIT_ASSERT_EQUAL (5, i->from);
CPPUNIT_ASSERT_EQUAL (6, i->to);
++i;
CPPUNIT_ASSERT_EQUAL (9, i->from);
CPPUNIT_ASSERT_EQUAL (10, i->to);
}
/* Test subtraction of a range B from a range A, where A and B do not overlap */
void
RangeTest::subtractTest2 ()
{
Range<int> fred (0, 10);
RangeList<int> jim;
jim.add (Range<int> (12, 19));
RangeList<int> sheila = subtract (fred, jim);
RangeList<int>::List s = sheila.get ();
CPPUNIT_ASSERT_EQUAL (size_t (1), s.size ());
RangeList<int>::List::iterator i = s.begin ();
CPPUNIT_ASSERT_EQUAL (0, i->from);
CPPUNIT_ASSERT_EQUAL (10, i->to);
}
/* Test subtraction of B from A, where B entirely overlaps A */
void
RangeTest::subtractTest3 ()
{
Range<int> fred (0, 10);
RangeList<int> jim;
jim.add (Range<int> (0, 12));
RangeList<int> sheila = subtract (fred, jim);
RangeList<int>::List s = sheila.get ();
CPPUNIT_ASSERT_EQUAL (size_t (0), s.size ());
}
/* A bit like subtractTest1, except some of the ranges
we are subtracting overlap.
*/
void
RangeTest::subtractTest4 ()
{
/* 01234567890
* fred: |---------|
* jim: |-| ||
* ||
* sheila: || || |
*/
Range<int> fred (0, 10);
RangeList<int> jim;
jim.add (Range<int> (2, 4));
jim.add (Range<int> (7, 8));
jim.add (Range<int> (8, 9));
RangeList<int> sheila = subtract (fred, jim);
RangeList<int>::List s = sheila.get ();
CPPUNIT_ASSERT_EQUAL (size_t (3), s.size ());
RangeList<int>::List::iterator i = s.begin ();
CPPUNIT_ASSERT_EQUAL (0, i->from);
CPPUNIT_ASSERT_EQUAL (1, i->to);
++i;
CPPUNIT_ASSERT_EQUAL (5, i->from);
CPPUNIT_ASSERT_EQUAL (6, i->to);
++i;
CPPUNIT_ASSERT_EQUAL (10, i->from);
CPPUNIT_ASSERT_EQUAL (10, i->to);
}
/* A bit like subtractTest1, except some of the ranges
we are subtracting overlap the start / end of the
initial range.
*/
void
RangeTest::subtractTest5 ()
{
/* 01234567890123
* fred: |----------|
* jim: |---| || |------...
* sheila:i | |
*/
Range<int> fred (1, 12);
RangeList<int> jim;
jim.add (Range<int> (0, 4));
jim.add (Range<int> (6, 7));
jim.add (Range<int> (9, 42));
RangeList<int> sheila = subtract (fred, jim);
RangeList<int>::List s = sheila.get ();
CPPUNIT_ASSERT_EQUAL (size_t (2), s.size ());
RangeList<int>::List::iterator i = s.begin ();
CPPUNIT_ASSERT_EQUAL (5, i->from);
CPPUNIT_ASSERT_EQUAL (5, i->to);
++i;
CPPUNIT_ASSERT_EQUAL (8, i->from);
CPPUNIT_ASSERT_EQUAL (8, i->to);
}
/* Test coverage() with all possible types of overlap.
*/
void
RangeTest::coverageTest ()
{
// b starts before a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 1, 1), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 1, 2), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 1, 3), Evoral::OverlapStart);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 1, 5), Evoral::OverlapStart);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 1, 7), Evoral::OverlapExternal);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 1, 9), Evoral::OverlapExternal);
// b starts at a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 3, 3), Evoral::OverlapStart);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 3, 5), Evoral::OverlapStart);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 3, 7), Evoral::OverlapExternal);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 3, 9), Evoral::OverlapExternal);
// b starts inside a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 4, 4), Evoral::OverlapInternal);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 4, 6), Evoral::OverlapInternal);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 4, 7), Evoral::OverlapEnd);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 4, 8), Evoral::OverlapEnd);
// b starts at end of a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 7, 7), Evoral::OverlapEnd);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 7, 9), Evoral::OverlapEnd);
// b starts after end of a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 8, 8), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 8, 9), Evoral::OverlapNone);
// zero-length range a
CPPUNIT_ASSERT_EQUAL (coverage(3, 3, 2, 4), Evoral::OverlapExternal);
CPPUNIT_ASSERT_EQUAL (coverage(3, 3, 1, 2), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(3, 3, 3, 3), Evoral::OverlapExternal);
CPPUNIT_ASSERT_EQUAL (coverage(3, 3, 8, 9), Evoral::OverlapNone);
// negative length range a
// XXX these are debatable - should we just consider start & end to be
// swapped if end < start?
CPPUNIT_ASSERT_EQUAL (coverage(4, 3, 1, 2), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(4, 3, 2, 3), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(4, 3, 2, 4), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(4, 3, 3, 3), Evoral::OverlapNone);
CPPUNIT_ASSERT_EQUAL (coverage(4, 3, 8, 9), Evoral::OverlapNone);
// negative length range b
// b starts before a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 1, 0), Evoral::OverlapNone);
// b starts at a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 3, 2), Evoral::OverlapNone);
// b starts inside a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 4, 3), Evoral::OverlapNone);
// b starts at end of a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 7, 5), Evoral::OverlapNone);
// b starts after end of a
CPPUNIT_ASSERT_EQUAL (coverage(3, 7, 8, 7), Evoral::OverlapNone);
}