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Body.setDensity unit tests

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gsenden 2024-05-27 08:09:04 +02:00
parent 37ddb2db61
commit 73b9e3d2a2
1 changed files with 48 additions and 0 deletions
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48
test/unit/body/Body.spec.js
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@ -682,3 +682,51 @@ describe('Body.setMass', () => {
expect(result).toThrow(/^Cannot read properties of undefined \(reading '.*'\)$/);
});
});
describe('Body.setDensity', () => {
it('should be able to set the density on a default body', () => {
// Arrange
const body = getTestBodyWithPartsWithParent();
const density = 42.1;
// Act
Body.setDensity(body, density);
// Assert
assertFloat(body.mass, 4420.5);
assertFloat(body.inverseMass, 0.00022621875353466802);
assertFloat(body.inertia, 4322.988970588235);
assertFloat(body.inverseInertia, 0.00023132143218582596);
assertFloat(body.density, 42.1);
});
it('should not be able to set the density on a default body with undefined density', () => {
// Arrange
const body = getTestBodyWithPartsWithParent();
const density = undefined;
// Act
Body.setDensity(body, density);
// Assert
// TODO: This causes the result to have undefined and NaN properties. This should probably be fixed.
expect(body.mass).toEqual(NaN);
expect(body.inverseMass).toEqual(NaN);
expect(body.inertia).toEqual(NaN);
expect(body.inverseInertia).toEqual(NaN);
expect(body.density).toEqual(undefined);
});
it('should not be able to set the density on an undefined body', () => {
// Arrange
const body = undefined;
const density = 42.1;
// Act
let result = () => Body.setDensity(body, density);
// Assert
// TODO: This causes a read from undefined. This should probably be fixed.
expect(result).toThrow(/^Cannot read properties of undefined \(reading '.*'\)$/);
});
});