/**
* @license
* Copyright The Closure Library Authors.
* SPDX-License-Identifier: Apache-2.0
*/
goog.module('goog.vec.Vec4Test');
goog.setTestOnly();
const Vec4 = goog.require('goog.vec.Vec4');
const testSuite = goog.require('goog.testing.testSuite');
testSuite({
testDeprecatedConstructor() {
assertElementsEquals([0, 0, 0, 0], Vec4.create());
assertElementsEquals([1, 2, 3, 4], Vec4.createFromValues(1, 2, 3, 4));
assertElementsEquals([1, 2, 3, 4], Vec4.createFromArray([1, 2, 3, 4]));
const v = Vec4.createFromValues(1, 2, 3, 4);
assertElementsEquals([1, 2, 3, 4], Vec4.clone(v));
},
testConstructor() {
assertElementsEquals([0, 0, 0, 0], Vec4.createFloat32());
assertElementsEquals(
[1, 2, 3, 4], Vec4.createFloat32FromValues(1, 2, 3, 4));
assertElementsEquals(
[1, 2, 3, 4], Vec4.createFloat32FromArray([1, 2, 3, 4]));
const v = Vec4.createFloat32FromValues(1, 2, 3, 4);
assertElementsEquals([1, 2, 3, 4], Vec4.cloneFloat32(v));
assertElementsEquals([0, 0, 0, 0], Vec4.createFloat64());
assertElementsEquals(
[1, 2, 3, 4], Vec4.createFloat64FromValues(1, 2, 3, 4));
assertElementsEquals(
[1, 2, 3, 4], Vec4.createFloat64FromArray([1, 2, 3, 4]));
const w = Vec4.createFloat64FromValues(1, 2, 3, 4);
assertElementsEquals([1, 2, 3, 4], Vec4.cloneFloat64(w));
},
testSet() {
const v = Vec4.createFloat32();
Vec4.setFromValues(v, 1, 2, 3, 4);
assertElementsEquals([1, 2, 3, 4], v);
Vec4.setFromArray(v, [4, 5, 6, 7]);
assertElementsEquals([4, 5, 6, 7], v);
},
testAdd() {
const v0 = Vec4.createFloat32FromArray([1, 2, 3, 4]);
const v1 = Vec4.createFloat32FromArray([5, 6, 7, 8]);
const v2 = Vec4.cloneFloat32(v0);
Vec4.add(v2, v1, v2);
assertElementsEquals([1, 2, 3, 4], v0);
assertElementsEquals([5, 6, 7, 8], v1);
assertElementsEquals([6, 8, 10, 12], v2);
Vec4.add(Vec4.add(v0, v1, v2), v0, v2);
assertElementsEquals([7, 10, 13, 16], v2);
},
testSubtract() {
const v0 = Vec4.createFloat32FromArray([4, 3, 2, 1]);
const v1 = Vec4.createFloat32FromArray([5, 6, 7, 8]);
const v2 = Vec4.cloneFloat32(v0);
Vec4.subtract(v2, v1, v2);
assertElementsEquals([4, 3, 2, 1], v0);
assertElementsEquals([5, 6, 7, 8], v1);
assertElementsEquals([-1, -3, -5, -7], v2);
Vec4.setFromValues(v2, 0, 0, 0, 0);
Vec4.subtract(v1, v0, v2);
assertElementsEquals([1, 3, 5, 7], v2);
Vec4.subtract(Vec4.subtract(v1, v0, v2), v0, v2);
assertElementsEquals([-3, 0, 3, 6], v2);
},
testNegate() {
const v0 = Vec4.createFloat32FromArray([1, 2, 3, 4]);
const v1 = Vec4.createFloat32();
Vec4.negate(v0, v1);
assertElementsEquals([-1, -2, -3, -4], v1);
assertElementsEquals([1, 2, 3, 4], v0);
Vec4.negate(v0, v0);
assertElementsEquals([-1, -2, -3, -4], v0);
},
testAbs() {
const v0 = Vec4.createFloat32FromValues(-1, -2, -3, -4);
const v1 = Vec4.createFloat32();
Vec4.abs(v0, v1);
assertElementsEquals([1, 2, 3, 4], v1);
assertElementsEquals([-1, -2, -3, -4], v0);
Vec4.abs(v0, v0);
assertElementsEquals([1, 2, 3, 4], v0);
},
testScale() {
const v0 = Vec4.createFloat32FromArray([1, 2, 3, 4]);
const v1 = Vec4.createFloat32();
Vec4.scale(v0, 4, v1);
assertElementsEquals([4, 8, 12, 16], v1);
assertElementsEquals([1, 2, 3, 4], v0);
Vec4.setFromArray(v1, v0);
Vec4.scale(v1, 5, v1);
assertElementsEquals([5, 10, 15, 20], v1);
},
testMagnitudeSquared() {
const v0 = Vec4.createFloat32FromArray([1, 2, 3, 4]);
assertEquals(30, Vec4.magnitudeSquared(v0));
},
testMagnitude() {
const v0 = Vec4.createFloat32FromArray([1, 2, 3, 4]);
assertEquals(Math.sqrt(30), Vec4.magnitude(v0));
},
testNormalize() {
const v0 = Vec4.createFloat32FromArray([2, 3, 4, 5]);
const v1 = Vec4.createFloat32();
const v2 = Vec4.createFloat32();
Vec4.scale(v0, 1 / Vec4.magnitude(v0), v2);
Vec4.normalize(v0, v1);
assertElementsEquals(v2, v1);
assertElementsEquals([2, 3, 4, 5], v0);
Vec4.setFromArray(v1, v0);
Vec4.normalize(v1, v1);
assertElementsEquals(v2, v1);
},
testDot() {
const v0 = Vec4.createFloat32FromArray([1, 2, 3, 4]);
const v1 = Vec4.createFloat32FromArray([5, 6, 7, 8]);
assertEquals(70, Vec4.dot(v0, v1));
assertEquals(70, Vec4.dot(v1, v0));
},
testLerp() {
const v0 = Vec4.createFloat32FromValues(1, 2, 3, 4);
const v1 = Vec4.createFloat32FromValues(10, 20, 30, 40);
const v2 = Vec4.cloneFloat32(v0);
Vec4.lerp(v2, v1, 0, v2);
assertElementsEquals([1, 2, 3, 4], v2);
Vec4.lerp(v2, v1, 1, v2);
assertElementsEquals([10, 20, 30, 40], v2);
Vec4.lerp(v0, v1, .5, v2);
assertElementsEquals([5.5, 11, 16.5, 22], v2);
},
testMax() {
const v0 = Vec4.createFloat32FromValues(10, 20, 30, 40);
const v1 = Vec4.createFloat32FromValues(5, 25, 35, 30);
const v2 = Vec4.createFloat32();
Vec4.max(v0, v1, v2);
assertElementsEquals([10, 25, 35, 40], v2);
Vec4.max(v1, v0, v1);
assertElementsEquals([10, 25, 35, 40], v1);
Vec4.max(v2, 20, v2);
assertElementsEquals([20, 25, 35, 40], v2);
},
testMin() {
const v0 = Vec4.createFloat32FromValues(10, 20, 30, 40);
const v1 = Vec4.createFloat32FromValues(5, 25, 35, 30);
const v2 = Vec4.createFloat32();
Vec4.min(v0, v1, v2);
assertElementsEquals([5, 20, 30, 30], v2);
Vec4.min(v1, v0, v1);
assertElementsEquals([5, 20, 30, 30], v1);
Vec4.min(v2, 20, v2);
assertElementsEquals([5, 20, 20, 20], v2);
},
testEquals() {
const v0 = Vec4.createFloat32FromValues(1, 2, 3, 4);
let v1 = Vec4.cloneFloat32(v0);
assertElementsEquals(v0, v1);
v1[0] = 5;
assertFalse(Vec4.equals(v0, v1));
v1 = Vec4.cloneFloat32(v0);
v1[1] = 5;
assertFalse(Vec4.equals(v0, v1));
v1 = Vec4.cloneFloat32(v0);
v1[2] = 5;
assertFalse(Vec4.equals(v0, v1));
v1 = Vec4.cloneFloat32(v0);
v1[3] = 5;
assertFalse(Vec4.equals(v0, v1));
},
});
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