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Vertices.scale unit tests

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gsenden 2024-05-17 23:21:29 +02:00
parent 17ae70c57a
commit a44aad1700
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88
test/unit/geometry/Vertices.spec.js
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@ -566,5 +566,93 @@ describe('Vertices.contains', () => {
// TODO: This causes a read from undefined. This should probably be fixed.
expect(result).toThrow("Cannot read properties of undefined (reading 'length')");
});
});
describe('Vertices.scale', () => {
it('should be able to scale valid vertices', () => {
// Arrange
const vertices = getTestVerticesSqaureWithoutBody();
const scaleX = 42.2;
const scaleY = 37.3;
const point = { x: 93.5, y: 97.8 };
// Act
const result = Vertices.scale(vertices, scaleX, scaleY, point);
// Assert
assertXY(result[0], -3810.0000000000005, -3512.8399999999992);
assertXY(result[1], -3725.6000000000004, -3512.8399999999992);
assertXY(result[2], -3725.6000000000004, -3438.2399999999993);
assertXY(result[3], -3810.0000000000005, -3438.2399999999993);
});
it('should be able to scale valid vertices if point is undefined', () => {
// Arrange
const vertices = getTestVerticesSqaureWithoutBody();
const scaleX = 42.2;
const scaleY = 37.3;
const point = undefined;
// Act
const result = Vertices.scale(vertices, scaleX, scaleY, point);
// Assert
assertXY(result[0], -40.2, -35.3);
assertXY(result[1], 44.2, -35.3);
assertXY(result[2], 44.2, 39.3);
assertXY(result[3], -40.2, 39.3);
});
it('should not be able to scale valid vertices if scaleY is undefined', () => {
// Arrange
const vertices = getTestVerticesSqaureWithoutBody();
const scaleX = 42.2;
const scaleY = undefined;
const point = { x: 93.5, y: 97.8 };
// Act
const result = Vertices.scale(vertices, scaleX, scaleY, point);
// Assert
// TODO: This causes a read from undefined. This should probably be fixed.
assertXY(result[0], -3810.0000000000005, NaN);
assertXY(result[1], -3725.6000000000004, NaN);
assertXY(result[2], -3725.6000000000004, NaN);
assertXY(result[3], -3810.0000000000005, NaN);
});
it('should not be able to scale valid vertices if scaleX is undefined', () => {
// Arrange
const vertices = getTestVerticesSqaureWithoutBody();
const scaleX = undefined;
const scaleY = 37.3;
const point = { x: 93.5, y: 97.8 };
// Act
const result = Vertices.scale(vertices, scaleX, scaleY, point);
// Assert
// TODO: This causes a read from undefined. This should probably be fixed.
assertXY(result[0], NaN, -3512.8399999999992);
assertXY(result[1], NaN, -3512.8399999999992);
assertXY(result[2], NaN, -3438.2399999999993);
assertXY(result[3], NaN, -3438.2399999999993);
});
it('should not be able to scale undefined vertices', () => {
// Arrange
const vertices = undefined;
const scaleX = 42.2;
const scaleY = 37.3;
const point = { x: 93.5, y: 97.8 };
// Act
const result = () => Vertices.scale(vertices, scaleX, scaleY, point);
// Assert
// TODO: This causes a read from undefined. This should probably be fixed.
expect(result).toThrow("Cannot read properties of undefined (reading 'length')");
});
});