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// Copyright 2011 The Graphics-Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package detect
import (
"image"
"reflect"
"testing"
)
type projectorTest struct {
dst image.Rectangle
src image.Rectangle
pdst image.Rectangle
psrc image.Rectangle
}
var projectorTests = []projectorTest{
{
image.Rect(0, 0, 6, 6),
image.Rect(0, 0, 2, 2),
image.Rect(0, 0, 6, 6),
image.Rect(0, 0, 2, 2),
},
{
image.Rect(0, 0, 6, 6),
image.Rect(0, 0, 2, 2),
image.Rect(3, 3, 6, 6),
image.Rect(1, 1, 2, 2),
},
{
image.Rect(30, 30, 40, 40),
image.Rect(10, 10, 20, 20),
image.Rect(32, 33, 34, 37),
image.Rect(12, 13, 14, 17),
},
}
func TestProjector(t *testing.T) {
for i, tt := range projectorTests {
pr := newProjector(tt.dst, tt.src)
res := pr.rect(tt.psrc)
if !reflect.DeepEqual(res, tt.pdst) {
t.Errorf("%d: got %v want %v", i, res, tt.pdst)
}
}
}
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