87 lines
1.2 KiB
Go
87 lines
1.2 KiB
Go
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package imgrow
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import (
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"testing"
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)
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func TestScaleXY(t *testing.T) {
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tests := []struct{
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Scalar int
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X int
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Y int
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ExpectedX int
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ExpectedY int
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}{
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{
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Scalar: -2,
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X: 5,
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Y: 7,
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ExpectedX: -10,
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ExpectedY: -14,
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},
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{
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Scalar: -1,
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X: 5,
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Y: 7,
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ExpectedX: -5,
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ExpectedY: -7,
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},
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{
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Scalar: 0,
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X: 5,
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Y: 7,
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ExpectedX: 0,
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ExpectedY: 0,
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},
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{
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Scalar: 1,
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X: 5,
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Y: 7,
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ExpectedX: 5,
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ExpectedY: 7,
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},
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{
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Scalar: 2,
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X: 5,
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Y: 7,
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ExpectedX: 10,
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ExpectedY: 14,
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},
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{
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Scalar: 3,
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X: 5,
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Y: 7,
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ExpectedX: 15,
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ExpectedY: 21,
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},
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{
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Scalar: 100,
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X: -11,
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Y: 13,
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ExpectedX: -1100,
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ExpectedY: 1300,
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},
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}
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for testNumber, test := range tests {
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actualX, actualY := scaleXY(test.Scalar, test.X, test.Y)
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expectedX, expectedY := test.ExpectedX, test.ExpectedY
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if expectedX != actualX || expectedY != actualY {
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t.Errorf("For test #%d, the actual value is not what was expected.", testNumber)
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t.Logf("EXPECTED (X,Y) = (%d, %d)", expectedX, expectedY)
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t.Logf("ACTUAL (X,Y) = (%d, %d)", actualX, actualY)
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t.Logf("SCALAR = %d", test.Scalar)
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t.Logf("(X,Y) = (%d, %d)", test.X, test.Y)
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continue
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}
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}
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}
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