-- source include/have_geometry.inc


#
# Spatial objects
#

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

select 1, ST_Intersects(GeomFromText('POLYGON((0 0,20 0,20 20,0 20,0 0))'), GeomFromText('POLYGON((10 10,30 10,30 30,10 30,10 10))'));
select 0, ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 40, 40 50, 20 70, 10 40))'));
select 1, ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POINT(10 10)'));
select 1, ST_Intersects(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))'));
select 0, ST_Within(GeomFromText('POLYGON((0 0,20 10,10 30, 0 0))'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))'));
select 1, ST_Within(GeomFromText('POLYGON((1 1,20 10,10 30, 1 1))'), GeomFromText('POLYGON((0 0,30 5,10 40, 0 0))'));


create table t1 (g point);
insert into t1 values 
(GeomFromText('POINT(2 2)')), (GeomFromText('POINT(2 4)')), (GeomFromText('POINT(2 6)')), (GeomFromText('POINT(2 8)')),
(GeomFromText('POINT(4 2)')), (GeomFromText('POINT(4 4)')), (GeomFromText('POINT(4 6)')), (GeomFromText('POINT(4 8)')),
(GeomFromText('POINT(6 2)')), (GeomFromText('POINT(6 4)')), (GeomFromText('POINT(6 6)')), (GeomFromText('POINT(6 8)')),
(GeomFromText('POINT(8 2)')), (GeomFromText('POINT(8 4)')), (GeomFromText('POINT(8 6)')), (GeomFromText('POINT(8 8)'));

select astext(g) from t1 where ST_Within(g, GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))'));
select 'Contains';
select astext(g) from t1 where ST_Contains(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))'), g);
select 'Intersects';
select astext(g) from t1 where ST_Intersects(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))'), g);
select 'Contains';
select astext(g) from t1 where ST_Contains(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1))'), g);
select 'Contains2';
select astext(g) from t1 where ST_Contains(GeomFromText('POLYGON((5 1, 7 1, 7 7, 5 7, 3 3, 5 3, 5 1), (5.01 3.01, 6 5, 9 5, 8 3, 5.01 3.01))'), g);

DROP TABLE t1;

select 0, ST_Within(GeomFromText('LINESTRING(15 15, 50 50, 60 60)'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))'));
select 1, ST_Within(GeomFromText('LINESTRING(15 15, 16 16)'), GeomFromText('POLYGON((10 10,30 20,20 40, 10 10))'));


select 1, ST_Intersects(GeomFromText('LINESTRING(15 15, 50 50)'), GeomFromText('LINESTRING(50 15, 15 50)'));
select 0, ST_Intersects(GeomFromText('LINESTRING(15 15, 50 50)'), GeomFromText('LINESTRING(16 16, 51 51)'));

select 1, ST_Intersects(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))'));

select astext(ST_Union(geometryfromtext('point(1 1)'), geometryfromtext('polygon((0 0, 2 0, 1 2, 0 0))')));
select astext(ST_Intersection(geometryfromtext('point(1 1)'), geometryfromtext('polygon((0 0, 2 0, 1 2, 0 0))')));

select ST_Intersects(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))'));
select ST_contains(GeomFromText('MULTIPOLYGON(((0 0, 0 5, 5 5, 5 0, 0 0)), ((6 6, 6 11, 11 11, 11 6, 6 6)))'), GeomFromText('POINT(5 10)'));
select ST_Disjoint(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 15, 15 15, 15 10, 10 10))'));
select ST_Disjoint(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 4, 4 4, 4 10, 10 10))'));
select ST_Overlaps(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((10 10, 10 4, 4 4, 4 10, 10 10))'));
select ST_Overlaps(GeomFromText('POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))'), GeomFromText('POLYGON((1 1, 1 4, 4 4, 4 1, 1 1))'));

# Distance tests
select ST_DISTANCE(geomfromtext('polygon((0 0, 1 2, 2 1, 0 0))'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))'));
select ST_DISTANCE(geomfromtext('polygon((0 0, 1 2, 2 1, 0 0))'), geomfromtext('linestring(0 1, 1 0)'));
select ST_DISTANCE(geomfromtext('polygon((0 0, 3 6, 6 3, 0 0))'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))'));
select ST_DISTANCE(geomfromtext('polygon((0 0, 3 6, 6 3, 0 0),(2 2, 3 4, 4 3, 2 2))'), geomfromtext('point(3 3)'));
select ST_DISTANCE(geomfromtext('linestring(0 0, 3 6, 6 3, 0 0)'), geomfromtext('polygon((2 2, 3 4, 4 3, 2 2))'));


# Operations tests
select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POLYGON((50 5, 55 10, 0 45, 50 5))')));
select astext(ST_Intersection(GeomFromText('LINESTRING(0 0, 50 45, 40 50, 0 0)'), GeomFromText('LINESTRING(50 5, 55 10, 0 45, 50 5)')));
select astext(ST_Intersection(GeomFromText('LINESTRING(0 0, 50 45, 40 50)'), GeomFromText('LINESTRING(50 5, 55 10, 0 45)')));
select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('POINT(20 20)')));
select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200)')));
select astext(ST_Intersection(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)')));
select astext(ST_UNION(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)')));

select astext(ST_intersection(geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))')));

select astext(ST_symdifference(geomfromtext('polygon((0 0, 1 0, 0 1, 0 0))'), geomfromtext('polygon((0 0, 1 1, 0 2, 0 0))')));
select astext(ST_UNION(GeomFromText('POLYGON((0 0, 50 45, 40 50, 0 0))'), GeomFromText('LINESTRING(-10 -10, 200 200, 199 201, -11 -9)')));

# Buffer() tests
select astext(ST_buffer(geometryfromtext('point(1 1)'), 1));
create table t1(geom geometrycollection);
insert into t1 values (geomfromtext('POLYGON((0 0, 10 10, 0 8, 0 0))'));
insert into t1 values (geomfromtext('POLYGON((1 1, 10 10, 0 8, 1 1))'));
select astext(geom), area(geom),area(ST_buffer(geom,2)) from t1;
select astext(ST_buffer(geom,2)) from t1;

set @geom=geomfromtext('LINESTRING(2 1, 4 2, 2 3, 2 5)');
set @buff=ST_buffer(@geom,1);
select astext(@buff);

# cleanup
DROP TABLE t1;

#Touches tests
select st_touches(geomfromtext('point(0 0)'), geomfromtext('point(1 1)'));
select st_touches(geomfromtext('point(1 1)'), geomfromtext('point(1 1)'));
select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 1)'));
select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 0)'));
select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('point(1 2)'));
select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('polygon((1 1.2, 1 0, 2 0, 1 1.2))'));
select st_touches(geomfromtext('polygon((0 0, 2 2, 0 4, 0 0))'), geomfromtext('polygon((1 1, 1 0, 2 0, 1 1))'));

#Equals test
SELECT ST_Equals(PolyFromText('POLYGON((67 13, 67 18, 67 18, 59 18, 59 13, 67 13) )'),PolyFromText('POLYGON((67 13, 67 18, 59 19, 59 13, 59 13, 67 13) )')) as result;
SELECT ST_Equals(PolyFromText('POLYGON((67 13, 67 18, 67 18, 59 18, 59 13, 67 13) )'),PolyFromText('POLYGON((67 13, 67 18, 59 18, 59 13, 59 13, 67 13) )')) as result;
SELECT ST_Equals(PointFromText('POINT (12 13)'),PointFromText('POINT (12 13)')) as result;

# bug #801243 Assertion `(0)' failed in Gis_geometry_collection::init_from_opresult on ST_UNION

SELECT astext(ST_UNION (
        PolyFromText('POLYGON(( 2 2 ,3 2,2 7,2 2),( 0 0,8 2,1 9,0 0))'),
        ExteriorRing( Envelope( MultiLineStringFromText('MULTILINESTRING((3 4,5 3),(3 0,0 5))')))));

#bug 801189 ST_BUFFER asserts if radius = 0
SELECT astext(ST_BUFFER(LineStringFromText('LINESTRING(0 0,1 1)'),0));

#bug 801199 Infinite recursion in Gcalc_function::count_internal with ST_BUFFER over MULTIPOINT
SELECT Round(ST_Area(ST_BUFFER(MultipointFromText('MULTIPOINT(7 7,3 7,7 2,7 4 ,7 7)'), 3)), 5);

#bug 801212 Assertion with ST_INTERSECTION on NULL values
SELECT ST_INTERSECTION(NULL, NULL);

#bug 804305 Crash in wkb_get_double with ST_INTERSECTION
SELECT ASTEXT(ST_INTERSECTION(
  MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((2 2,2 8,8 8,8 2,2 2),(4 4,4 6,6 6,6 4,4 4)),
                        ((0 5,3 5,3 0,0 0,0 1,2 1,2 2,0 2,0 5), (1 3,2 3,2 4,1 4,1 3)),
                        ((2 2,5 2,4 4,2 8,2 2)))'),
  MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((3 5,2 4,2 5,3 5)),
                        ((2 2,9 2,0 2,2 6,2 2)),
                        ((2 2,2 8,8 8,8 2,2 2), (4 4,4 6,6 6,6 4,4 4)),
                        ((9 9,6 8,7 0,9 9)))')));

#bug 804324 Assertion 0 in Gcalc_scan_iterator::pop_suitable_intersection

SELECT ASTEXT(ST_UNION(
        MULTILINESTRINGFROMTEXT('MULTILINESTRING((6 2,4 0,3 5,3 6,4 3,6 4,3 9,0 7,3 7,8 4,2 9,5 0),
                                                 (8 2,1 3,9 0,4 4))'),
        MULTILINESTRINGFROMTEXT('MULTILINESTRING((2 5,6 7,9 7,5 2,1 6,3 6))')));

SELECT ST_NUMGEOMETRIES((ST_UNION(ST_UNION(
        MULTILINESTRINGFROMTEXT('MULTILINESTRING((2 0,4 2,0 2,1 5,0 3,7 0,8 5,5 8),
                                                 (6 2,4 0,3 5,3 6,4 3,6 4,3 9,0 7,3 7,8 4,2 9,5 0),
                                                 (7 8,3 1,0 9,6 0,4 8),
                                                 (9 3,0 4,5 9,6 4),
                                                 (8 2,1 3,9 0,4 4))'),
        MULTILINESTRINGFROMTEXT('MULTILINESTRING((6 0,9 3,2 5,3 6,3 2),
                                                 (2 5,6 7,9 7,5 2,1 6,3 6))')),
    MULTIPOLYGONFROMTEXT('MULTIPOLYGON(((7 7,3 7,3 1,7 8,7 7)),
                                       ((3 5,2 4,2 5,3 5)),
                                       ((7 7,8 7,3 7,7 7,7 7)),
                                       ((0 5,3 5,3 4,1 4,1 3,3 3,3 0,0 0,0 5), (1 1,2 1,2 2,1 2,1 1)))'))));

#bug #805860 Second assertion Assertion `n > 0 && n < SINUSES_CALCULATED*2+1' in get_n_sinco

SELECT Round(ST_AREA(ST_BUFFER( ST_UNION(
         POLYGONFROMTEXT('POLYGON((7 7, 7 7, 7 4, 7 7, 7 7))'),
         POLYGONFROMTEXT('POLYGON((7 7, 4 7, 2 9, 7 6, 7 7))')), 1)), 6);


#bug #804259 Second assertion in Gis_geometry_collection::init_from_opresult

SELECT AsText(ST_UNION(MultiPolygonFromText('
        MULTIPOLYGON(((2 2, 2 8, 8 8, 8 2, 2 2), (4 4, 4 6, 6 6, 6 4, 4 4)),
                     ((0 0, 8 3, 7 4, 0 0)),
                     ((2 2, 2 8, 8 8, 8 2, 2 2), (4 4, 4 6, 6 6, 6 4, 4 4)))'),
MultiPolygonFromText(' MULTIPOLYGON(((0 0, 1 9, 4 6, 0 0)),
                     ((0 5, 3 5, 3 4, 1 4, 1 3, 3 3, 3 0, 0 0, 0 5), (1 1, 2 1, 2 2, 1 2, 1 1)),
                     ((7 7, 4 7, 6 3, 7 2, 7 7)),
                     ((0 5, 3 5, 3 4, 1 4, 1 3, 3 3, 3 0, 0 0, 0 5), (1 1, 2 1, 2 2, 1 2, 1 1))) ')));


#bug 801217 Assertion `t1->result_range' in Gcalc_operation_reducer::end_couple

SELECT AsText(ST_SYMDIFFERENCE(
        MultiLineStringFromText('MULTILINESTRING((7 7, 1 7, 8 5, 7 8, 7 7),
                                                 (6 3, 3 4, 1 1, 9 9, 9 0, 8 4, 9 9))'),
        Envelope(GeometryFromText('MULTIPOINT(7 9, 0 0, 3 7, 1 6, 0 0)'))));

#bug 804266 Memory corruption/valgrind warning/crash in move_hole() with ST_UNION

SELECT AsText(ST_UNION(
        MultiPolygonFromText('MULTIPOLYGON(((9 9, 7 9, 1 1, 9 9)),
                                           ((2 2, 1 2, 3 3, 2 2, 2 2)),
                                           ((0 0, 7 5, 9 6, 0 0)),
                                           ((7 7, 5 7, 1 5, 7 1, 7 7)))'),
        MultiPolygonFromText('MULTIPOLYGON(((2 2, 2 2, 1 5, 2 7, 2 2)),
                                           ((0 5, 3 5, 3 0, 0 0, 0 5), (1 1, 2 1, 2 4, 1 4, 1 1)))')));

#bug 802376 ST_INTERSECTION returns wrong result on two overlapping linestrings in maria-5.3-gis

SELECT AsText( ST_INTERSECTION(
  LinestringFromText('LINESTRING( 3 5, 2 5, 2 4, 3 4, 3 5 ) ') ,
  LinestringFromText('LINESTRING( 3 5, 2 4, 2 5, 3 5 ) ')
));

#bug 801560 ST_UNION of adjacent polygons includes extra line in maria-5.3-gis

SELECT AsText( ST_UNION(
 PolygonFromText(' POLYGON( ( 2 2 , 3 2 , 7 5 , 2 0 , 2 2 ) ) ') ,
 PolygonFromText(' POLYGON( ( 2 2 , 3 2 , 3 3 , 2 5 , 2 2 ) ) ') ) );

#bug 801466 ST_INTERSECTION() returns invalid value on empty intersection in maria-5.3-gis

SELECT AsText(ST_INTERSECTION(LinestringFromText('LINESTRING(1 1, 2 2)'), GeometryFromText('LINESTRING(3 3, 4 4)')));

#bug 839341 100% CPU usage with ST_UNION in maria-5.3-gis
SELECT AsText(ST_UNION(GEOMETRYFROMTEXT('POINT(8 1)') ,MULTILINESTRINGFROMTEXT('MULTILINESTRING((3 5, 2 5, 2 4, 3 4, 3 5))')));

#bug 839318 Crash in Gcalc_scan_iterator::point::get_shape with ST_DISTANCE and MULTILINESTRING in maria-5.3-gis
SELECT ST_DISTANCE(POINTFROMTEXT('POINT(7 1)'),MULTILINESTRINGFROMTEXT('MULTILINESTRING(
                (4 7,9 7,6 1,3 4,1 1), (3 5, 2 5, 2 4, 3 4, 3 5))'));

#bug 839327 Crash in Gcalc_operation_reducer::end_couple with ST_UNION and MULTIPOLYGONs in 5.3-gis
SELECT AsText(ST_UNION(POLYGONFROMTEXT('POLYGON((12 9, 3 6, 3 0, 12 9))'), POLYGONFROMTEXT('POLYGON((2 2, 7 2, 4 2, 2 0, 2 2))')));

#bug 841622 Assertion `t->rp->type == Gcalc_function::shape_line' failed in Gcalc_operation_reducer::end_line in maria-5.3-gis

SELECT ST_NUMPOINTS(ST_EXTERIORRING(ST_BUFFER(ST_UNION(
  MULTILINESTRINGFROMTEXT('MULTILINESTRING((3 4, 2 5, 7 6, 1 8),(0 0 ,1 6 ,0 1, 8 9, 2 4, 6 1, 3 5, 4 8), (9 3, 5 4, 1 8, 4 2, 5 8, 3 0))' ) ,
  MULTILINESTRINGFROMTEXT('MULTILINESTRING((3 4, 3 1, 2 7, 4 2, 6 2, 1 5))')
  ), 16)));

#bug 841625 Assertion `m_poly_borders->next' failed in Gcalc_operation_reducer::count_slice in maria-5.3-gis

SELECT ST_NUMGEOMETRIES(ST_DIFFERENCE (
        ST_UNION (
                MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 2 4 , 5 0 , 2 9 , 6 2 , 0 2 ) , ( 4 3 , 5 6 , 9 4 , 0 7 , 7 2 , 2 0 , 8 2 ) , ( 5 0 , 1 5 , 3 7 , 7 7 ) , ( 2 3 , 9 5 , 2 0 , 8 1 ) , ( 0 9 , 9 3 , 2 8 , 8 1 , 9 4 ) ) ' ),
                ST_UNION (
                        MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( ( 2 2 , 7 2 , 6 2 , 2 6 , 2 2 ) ) , ( (3 5, 2 5, 2 4, 3 4, 3 5) ) ) ' ) ,
                        ENVELOPE(
                                MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( (3 5, 2 5, 2 4, 3 4, 3 5) ) ) ' )
                        )
                )
        ),
        MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 2 9 , 1 3 , 7 3 , 8 5 ) , ( 5 0 , 8 1 , 2 0 , 7 4 , 1 0 ) , ( 9 2 , 5 2 , 6 5 , 8 8 , 0 2 ) , ( 0 8 , 3 9 , 4 0 , 1 0 ) , ( 0 0 , 7 6 , 8 3 , 0 0 ) ) ' )
));


#bug 841638 Assertion `!m_prev || m_prev->x != x || m_prev->y != y' failed in Gcalc_shape_transporter::int_add_point in maria-5.3-gis
SELECT ST_NUMPOINTS(ST_EXTERIORRING(ST_BUFFER (
         ST_UNION (
                MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 7 3 , 1 8 , 4 0 , 7 9 ) , ( 5 4 , 9 8 , 7 4 , 3 7 ) , ( 5 8 , 5 4 , 9 2 , 5 6 ) , ( 4 0 , 3 2 , 0 1 , 3 9 ) , ( 2 0 , 3 5 , 9 5 , 0 9 ) ) ' ) ,
                MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 4 5 , 3 0 , 3 1 , 4 7 , 4 2 ) , ( 2 2 , 2 8 , 8 8 , 8 2 , 2 2 ) , ( 4 4 , 4 6 , 6 6 , 6 4 , 4 4 ) ) ' )
        ) , 1
)));

#bug 841745 ssertion `!sp0->is_bottom()' failed in Gcalc_scan_iterator::find_intersections in maria-5.3-gis
SELECT ASTEXT(ST_DIFFERENCE (
        POLYGONFROMTEXT( ' POLYGON( ( 2 2 , 2 8 , 8 8 , 8 2 , 2 2 ) , ( 4 4 , 4 6 , 6 6 , 6 4 , 4 4 ) ) ' ) ,
        ST_UNION (
                MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( (3 5, 2 5, 2 4, 3 4, 3 5) ) ' ) ,
                ST_SYMDIFFERENCE (
                        MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 3 8 , 0 8 , 6 6 , 6 1 , 0 5 , 6 7 , 3 7 ) , ( 5 8 , 7 7 , 9 0 , 8 7 ) , ( 1 5 , 1 8 , 2 3 , 3 9 ) , ( 1 3 , 9 7 , 5 5 , 0 8 , 6 9 ) , ( 3 6 , 6 9 , 8 7 , 0 2 , 4 6 , 9 5 ) ) ' ) ,
                        ST_UNION (
                                MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 9 4 , 2 0 , 2 2 , 7 2 , 6 2 ) , ( 5 2 , 8 2 , 4 8 , 3 4 ) , ( 1 0 , 1 4 , 2 7 , 7 0 , 1 5 ) , ( 2 8 , 4 4 , 5 0 , 7 0 , 4 0 ) ) ' ) ,
                                GEOMETRYFROMTEXT( ' MULTILINESTRING( ( 3 7 , 7 3 , 5 8 , 4 8 ) , ( 3 2 , 5 0 , 9 3 , 4 4 ) , ( 6 0 , 4 2 , 7 8 , 1 3 ) ) ' )
                        )
                )
        )
));

#bug 841773 Assertion `t0->rp->type == t1->rp->type' failed in Gcalc_operation_reducer::end_couple in maria-5.3-gis
SELECT ST_NUMGEOMETRIES(ST_UNION (
        MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 0 8 , 1 9 , 5 7 , 2 8 , 5 8 , 6 7 ) , ( 4 5 , 8 4 , 0 3 , 5 1 ) , ( 6 8 , 2 7 , 1 6 , 9 9 , 7 2 ) , ( 9 5 , 2 8 , 1 2 , 9 6 , 2 0 ) ) ' ) ,
        MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( ( 7 7 , 2 7, 6 8, 7 1 , 7 7 ) ) ) ' )
));

#bug 841662 Third assertion `n > 0 && n < SINUSES_CALCULATED*2+1' in get_n_sincos 
SELECT ST_BUFFER (
                LINESTRINGFROMTEXT( ' LINESTRING( 5 4 , 3 8 , 2 6 , 5 5 , 7 9 ) ' ) ,
                ST_DISTANCE (
                        MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( (3 5, 2 4, 2 5, 3 5) ) , ( (3 5, 2 5, 2 4, 3 4, 3 5) ) , ( ( 0 0 , 8 3 , 9 5 , 0 0 ) ) ) ' ) ,
                        ST_DIFFERENCE (
                                MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( (3 5, 2 5, 2 4, 3 4, 3 5) ) ) ' ) ,
                                MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( ( 2 2 , 2 8 , 8 8 , 8 2 , 2 2 ) , ( 4 4 , 4 6 , 6 6 , 6 4 , 4 4 ) ) , ( ( 0 0 , 3 8 , 9 4 , 0 0 ) ) ) ' )
                        )
                )
 ) ;
SELECT   ST_DISTANCE (     ST_DIFFERENCE (                                 MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( (3 5, 2 5, 2 4, 3 4, 3 5) ) ) ' ) ,                                 MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( ( 2 2 , 2 8 , 8 8 , 8 2 , 2 2 ) , ( 4 4 , 4 6 , 6 6 , 6 4 , 4 4 ) ) , ( ( 0 0 , 3 8 , 9 4 , 0 0 ) ) ) ' )                         ),                         MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( (3 5, 2 4, 2 5, 3 5) ) , ( (3 5, 2 5, 2 4, 3 4, 3 5) ) , ( ( 0 0 , 8 3 , 9 5 , 0 0 ) ) ) ' ) )  ;

#bug 848901 Assertion `fabs(cur_isc->x-m_cur_intersection->x) + fabs(cur_isc->y-m_cur_intersection->y) < 0.000000000001' failed in Gcalc_scan_iterator::intersection_scan() in maria-5.3-gis

SELECT ST_NUMGEOMETRIES( ST_SYMDIFFERENCE ( ST_SYMDIFFERENCE ( ST_INTERSECTION ( MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 6 4 , 3 7 , 9 4 , 3 8 ) , ( 2 2 , 2 9 , 1 2 , 9 8 ) ) ' ) , ST_SYMDIFFERENCE ( MULTIPOINTFROMTEXT( ' MULTIPOINT( 6 1 , 3 8 , 3 3 , 0 6 , 7 2 , 3 4 ) ' ) , ST_BUFFER ( ST_UNION ( MULTIPOLYGONFROMTEXT( ' MULTIPOLYGON( ( ( 2 2 , 6 2 , 1 3 , 2 2 , 2 2 ) ) ) ' ) , GEOMETRYFROMTEXT( ' MULTILINESTRING( ( 1 4 , 9 9 , 3 0 , 6 6 ) , ( 3 5 , 1 0 , 5 8 , 6 1 ) , ( 8 9 , 6 1 , 5 1 , 6 2 ) , ( 2 2 , 7 5 , 5 8 , 6 9 , 3 0 ) , ( 8 0 , 8 4 , 6 7 , 5 5 ) ) ' ) ) , NUMPOINTS( EXTERIORRING( POLYGONFROMTEXT( ' POLYGON( ( 0 0 , 2 1 , 8 2 , 0 0 ) ) ' ) ) ) ) ) ) , ST_INTERSECTION ( POLYGONFROMTEXT( ' POLYGON( ( 2 3, 5 7 , 3 7 , 4 1 , 0 5, 2 3 ) ) ' ) , MULTILINESTRINGFROMTEXT( ' MULTILINESTRING( ( 2 3 , 1 4 , 6 4 , 9 1 , 3 4 , 1 8 ) , ( 9 9 , 0 3 , 1 7 , 9 9 ) ) ' ) ) ) , POLYGONFROMTEXT( ' POLYGON( ( 1 3, 7 2 , 1 5 , 3 8 , 5 0, 1 3) ) ' ) ) ) ;

#bug 848939 Wrong result with ST_INTERSECTION between linestrings and a polygon in 5.3-gis
SELECT ASTEXT(ST_INTERSECTION( GEOMETRYFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(7 7,5.33333333333333 7),LINESTRING(5.33333333333333 7,0 7,5 8,5.33333333333333 7),LINESTRING(5.33333333333333 7,7 2,7 7),POLYGON((0 5,3 5,3 2,1 2,1 1,3 1,3 0,0 0,0 3,2 3,2 4,0 4,0 5)))'), geomETRYFROMTEXT(' MULTILINESTRING( ( 5 1 , 3 7 , 6 1 , 7 0 ) , ( 1 6 , 8 5 , 7 5 , 5 6 ) )') ));