github.com/jackc/pgx/v5@v5.5.5/pgtype/polygon_test.go (about)

     1  package pgtype_test
     2  
     3  import (
     4  	"context"
     5  	"testing"
     6  
     7  	"github.com/jackc/pgx/v5/pgtype"
     8  	"github.com/jackc/pgx/v5/pgxtest"
     9  )
    10  
    11  func isExpectedEqPolygon(a any) func(any) bool {
    12  	return func(v any) bool {
    13  		ap := a.(pgtype.Polygon)
    14  		vp := v.(pgtype.Polygon)
    15  
    16  		if !(ap.Valid == vp.Valid && len(ap.P) == len(vp.P)) {
    17  			return false
    18  		}
    19  
    20  		for i := range ap.P {
    21  			if ap.P[i] != vp.P[i] {
    22  				return false
    23  			}
    24  		}
    25  
    26  		return true
    27  	}
    28  }
    29  
    30  func TestPolygonTranscode(t *testing.T) {
    31  	skipCockroachDB(t, "Server does not support type polygon")
    32  
    33  	pgxtest.RunValueRoundTripTests(context.Background(), t, defaultConnTestRunner, nil, "polygon", []pgxtest.ValueRoundTripTest{
    34  		{
    35  			pgtype.Polygon{
    36  				P:     []pgtype.Vec2{{3.14, 1.678901234}, {7.1, 5.234}, {5.0, 3.234}},
    37  				Valid: true,
    38  			},
    39  			new(pgtype.Polygon),
    40  			isExpectedEqPolygon(pgtype.Polygon{
    41  				P:     []pgtype.Vec2{{3.14, 1.678901234}, {7.1, 5.234}, {5.0, 3.234}},
    42  				Valid: true,
    43  			}),
    44  		},
    45  		{
    46  			pgtype.Polygon{
    47  				P:     []pgtype.Vec2{{3.14, -1.678}, {7.1, -5.234}, {23.1, 9.34}},
    48  				Valid: true,
    49  			},
    50  			new(pgtype.Polygon),
    51  			isExpectedEqPolygon(pgtype.Polygon{
    52  				P:     []pgtype.Vec2{{3.14, -1.678}, {7.1, -5.234}, {23.1, 9.34}},
    53  				Valid: true,
    54  			}),
    55  		},
    56  		{pgtype.Polygon{}, new(pgtype.Polygon), isExpectedEqPolygon(pgtype.Polygon{})},
    57  		{nil, new(pgtype.Polygon), isExpectedEqPolygon(pgtype.Polygon{})},
    58  	})
    59  }