go-imgrow/scalexy_test.go

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2024-02-09 19:07:51 +00:00
package imgrow
import (
"testing"
)
func TestScaleXY(t *testing.T) {
tests := []struct{
Scalar int
X int
Y int
ExpectedX int
ExpectedY int
}{
{
Scalar: -2,
X: 5,
Y: 7,
ExpectedX: -10,
ExpectedY: -14,
},
{
Scalar: -1,
X: 5,
Y: 7,
ExpectedX: -5,
ExpectedY: -7,
},
{
Scalar: 0,
X: 5,
Y: 7,
ExpectedX: 0,
ExpectedY: 0,
},
{
Scalar: 1,
X: 5,
Y: 7,
ExpectedX: 5,
ExpectedY: 7,
},
{
Scalar: 2,
X: 5,
Y: 7,
ExpectedX: 10,
ExpectedY: 14,
},
{
Scalar: 3,
X: 5,
Y: 7,
ExpectedX: 15,
ExpectedY: 21,
},
{
Scalar: 100,
X: -11,
Y: 13,
ExpectedX: -1100,
ExpectedY: 1300,
},
}
for testNumber, test := range tests {
actualX, actualY := scaleXY(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
}
}
}