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Charles Iliya Krempeaux 2024-02-09 11:10:59 -08:00
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5
inversescalexy.go 100644
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@ -0,0 +1,5 @@
package imgrow
func inverseScaleXY(scalar int, x int, y int) (int, int) {
return inverseScale(scalar, x), inverseScale(scalar, y)
}

579
inversescalexy_test.go 100644
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@ -0,0 +1,579 @@
package imgrow
import (
"testing"
)
func TestInverseScaleXY(t *testing.T) {
tests := []struct{
Scalar int
X int
Y int
ExpectedX int
ExpectedY int
}{
{
Scalar: 0,
X: 0,
Y: 0,
ExpectedX: 0,
ExpectedY: 0,
},
{
Scalar: 0,
X: 1,
Y: 0,
ExpectedX: intMax,
ExpectedY: 0,
},
{
Scalar: 0,
X: 0,
Y: 1,
ExpectedX: 0,
ExpectedY: intMax,
},
{
Scalar: 0,
X: -1,
Y: 0,
ExpectedX: intMin,
ExpectedY: 0,
},
{
Scalar: 0,
X: 0,
Y: -1,
ExpectedX: 0,
ExpectedY: intMin,
},
{
Scalar: 0,
X: 1,
Y: 1,
ExpectedX: intMax,
ExpectedY: intMax,
},
{
Scalar: 0,
X: -1,
Y: -1,
ExpectedX: intMin,
ExpectedY: intMin,
},
{
Scalar: 0,
X: -1,
Y: 1,
ExpectedX: intMin,
ExpectedY: intMax,
},
{
Scalar: 0,
X: 1,
Y: -1,
ExpectedX: intMax,
ExpectedY: intMin,
},
{
Scalar: 0,
X: 5,
Y: -7,
ExpectedX: intMax,
ExpectedY: intMin,
},
{
Scalar: 1,
X: 0,
Y: 0,
ExpectedX: 0,
ExpectedY: 0,
},
{
Scalar: 1,
X: 1,
Y: 0,
ExpectedX: 1,
ExpectedY: 0,
},
{
Scalar: 1,
X: 2,
Y: 0,
ExpectedX: 2,
ExpectedY: 0,
},
{
Scalar: 1,
X: 3,
Y: 0,
ExpectedX: 3,
ExpectedY: 0,
},
{
Scalar: 1,
X: 4,
Y: 0,
ExpectedX: 4,
ExpectedY: 0,
},
{
Scalar: 1,
X: 5,
Y: 0,
ExpectedX: 5,
ExpectedY: 0,
},
{
Scalar: 1,
X: 6,
Y: 0,
ExpectedX: 6,
ExpectedY: 0,
},
{
Scalar: 1,
X: 7,
Y: 0,
ExpectedX: 7,
ExpectedY: 0,
},
{
Scalar: 1,
X: 8,
Y: 0,
ExpectedX: 8,
ExpectedY: 0,
},
{
Scalar: 1,
X: 9,
Y: 0,
ExpectedX: 9,
ExpectedY: 0,
},
{
Scalar: 1,
X: 10,
Y: 0,
ExpectedX: 10,
ExpectedY: 0,
},
{
Scalar: 1,
X: 0,
Y: 1,
ExpectedX: 0,
ExpectedY: 1,
},
{
Scalar: 1,
X: 1,
Y: 1,
ExpectedX: 1,
ExpectedY: 1,
},
{
Scalar: 1,
X: 2,
Y: 1,
ExpectedX: 2,
ExpectedY: 1,
},
{
Scalar: 1,
X: 3,
Y: 1,
ExpectedX: 3,
ExpectedY: 1,
},
{
Scalar: 1,
X: 4,
Y: 1,
ExpectedX: 4,
ExpectedY: 1,
},
{
Scalar: 1,
X: 5,
Y: 1,
ExpectedX: 5,
ExpectedY: 1,
},
{
Scalar: 1,
X: 6,
Y: 1,
ExpectedX: 6,
ExpectedY: 1,
},
{
Scalar: 1,
X: 7,
Y: 1,
ExpectedX: 7,
ExpectedY: 1,
},
{
Scalar: 1,
X: 8,
Y: 1,
ExpectedX: 8,
ExpectedY: 1,
},
{
Scalar: 1,
X: 9,
Y: 1,
ExpectedX: 9,
ExpectedY: 1,
},
{
Scalar: 1,
X: 10,
Y: 1,
ExpectedX: 10,
ExpectedY: 1,
},
{
Scalar: 1,
X: 0,
Y: 2,
ExpectedX: 0,
ExpectedY: 2,
},
{
Scalar: 1,
X: 1,
Y: 2,
ExpectedX: 1,
ExpectedY: 2,
},
{
Scalar: 1,
X: 2,
Y: 2,
ExpectedX: 2,
ExpectedY: 2,
},
{
Scalar: 1,
X: 3,
Y: 2,
ExpectedX: 3,
ExpectedY: 2,
},
{
Scalar: 1,
X: 4,
Y: 2,
ExpectedX: 4,
ExpectedY: 2,
},
{
Scalar: 1,
X: 5,
Y: 2,
ExpectedX: 5,
ExpectedY: 2,
},
{
Scalar: 1,
X: 6,
Y: 2,
ExpectedX: 6,
ExpectedY: 2,
},
{
Scalar: 1,
X: 7,
Y: 2,
ExpectedX: 7,
ExpectedY: 2,
},
{
Scalar: 1,
X: 8,
Y: 2,
ExpectedX: 8,
ExpectedY: 2,
},
{
Scalar: 1,
X: 9,
Y: 2,
ExpectedX: 9,
ExpectedY: 2,
},
{
Scalar: 1,
X: 10,
Y: 2,
ExpectedX: 10,
ExpectedY: 2,
},
{
Scalar: 1,
X: 0,
Y: 3,
ExpectedX: 0,
ExpectedY: 3,
},
{
Scalar: 1,
X: 1,
Y: 3,
ExpectedX: 1,
ExpectedY: 3,
},
{
Scalar: 1,
X: 2,
Y: 3,
ExpectedX: 2,
ExpectedY: 3,
},
{
Scalar: 1,
X: 3,
Y: 3,
ExpectedX: 3,
ExpectedY: 3,
},
{
Scalar: 1,
X: 4,
Y: 3,
ExpectedX: 4,
ExpectedY: 3,
},
{
Scalar: 1,
X: 5,
Y: 3,
ExpectedX: 5,
ExpectedY: 3,
},
{
Scalar: 1,
X: 6,
Y: 3,
ExpectedX: 6,
ExpectedY: 3,
},
{
Scalar: 1,
X: 7,
Y: 3,
ExpectedX: 7,
ExpectedY: 3,
},
{
Scalar: 1,
X: 8,
Y: 3,
ExpectedX: 8,
ExpectedY: 3,
},
{
Scalar: 1,
X: 9,
Y: 3,
ExpectedX: 9,
ExpectedY: 3,
},
{
Scalar: 1,
X: 10,
Y: 3,
ExpectedX: 10,
ExpectedY: 3,
},
{
Scalar: 1,
X: 0,
Y: 4,
ExpectedX: 0,
ExpectedY: 4,
},
{
Scalar: 1,
X: 1,
Y: 4,
ExpectedX: 1,
ExpectedY: 4,
},
{
Scalar: 1,
X: 2,
Y: 4,
ExpectedX: 2,
ExpectedY: 4,
},
{
Scalar: 1,
X: 3,
Y: 4,
ExpectedX: 3,
ExpectedY: 4,
},
{
Scalar: 1,
X: 4,
Y: 4,
ExpectedX: 4,
ExpectedY: 4,
},
{
Scalar: 1,
X: 5,
Y: 4,
ExpectedX: 5,
ExpectedY: 4,
},
{
Scalar: 1,
X: 6,
Y: 4,
ExpectedX: 6,
ExpectedY: 4,
},
{
Scalar: 1,
X: 7,
Y: 4,
ExpectedX: 7,
ExpectedY: 4,
},
{
Scalar: 1,
X: 8,
Y: 4,
ExpectedX: 8,
ExpectedY: 4,
},
{
Scalar: 1,
X: 9,
Y: 4,
ExpectedX: 9,
ExpectedY: 4,
},
{
Scalar: 1,
X: 10,
Y: 4,
ExpectedX: 10,
ExpectedY: 4,
},
{
Scalar: 1,
X: 0,
Y: 5,
ExpectedX: 0,
ExpectedY: 5,
},
{
Scalar: 1,
X: 1,
Y: 5,
ExpectedX: 1,
ExpectedY: 5,
},
{
Scalar: 1,
X: 2,
Y: 5,
ExpectedX: 2,
ExpectedY: 5,
},
{
Scalar: 1,
X: 3,
Y: 5,
ExpectedX: 3,
ExpectedY: 5,
},
{
Scalar: 1,
X: 4,
Y: 5,
ExpectedX: 4,
ExpectedY: 5,
},
{
Scalar: 1,
X: 5,
Y: 5,
ExpectedX: 5,
ExpectedY: 5,
},
{
Scalar: 1,
X: 6,
Y: 5,
ExpectedX: 6,
ExpectedY: 5,
},
{
Scalar: 1,
X: 7,
Y: 5,
ExpectedX: 7,
ExpectedY: 5,
},
{
Scalar: 1,
X: 8,
Y: 5,
ExpectedX: 8,
ExpectedY: 5,
},
{
Scalar: 1,
X: 9,
Y: 5,
ExpectedX: 9,
ExpectedY: 5,
},
{
Scalar: 1,
X: 10,
Y: 5,
ExpectedX: 10,
ExpectedY: 5,
},
}
for testNumber, test := range tests {
actualX, actualY := inverseScaleXY(test.Scalar, test.X, test.Y)
expectedX, expectedY := test.ExpectedX, test.ExpectedY
if expectedX != actualX || expectedY != actualY {
t.Errorf("For test #%d, the actual value is not what was expected.", testNumber)
t.Logf("EXPECTED (X,Y) = (%d, %d)", expectedX, expectedY)
t.Logf("ACTUAL (X,Y) = (%d, %d)", actualX, actualY)
t.Logf("SCALAR = %d", test.Scalar)
t.Logf("(X,Y) = (%d, %d)", test.X, test.Y)
continue
}
}
}