fix the test assertion labels for vecX.setLength functions

src/vec2-impl.ts

@@ -671,7 +671,7 @@ export function rotate(a: Vec2, b: Vec2, rad: number, dst?: Vec2) {
 /**
  * Treat a 2D vector as a direction and set it's length
  *
- * @param a The vec2 to length
+ * @param a The vec2 to lengthen
  * @param len The length of the resulting vector
  * @returns The lengthened vector
  */

src/vec3-impl.ts

@@ -887,7 +887,7 @@ export function rotateZ(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
 /**
  * Treat a 3D vector as a direction and set it's length
  *
- * @param a The vec3 to length
+ * @param a The vec3 to lengthen
  * @param len The length of the resulting vector
  * @returns The lengthened vector
  */

src/vec4-impl.ts

@@ -637,7 +637,7 @@ export function transformMat4(v: Vec4, m: Mat4, dst?: Vec4): Vec4 {
 /**
  * Treat a 4D vector as a direction and set it's length
  *
- * @param a The vec3 to length
+ * @param a The vec3 to lengthen
  * @param len The length of the resulting vector
  * @returns The lengthened vector
  */

test/tests/vec2-test.js

@@ -503,7 +503,7 @@ describe('vec2', () => {
         vecA = [1, 1];
         result = vec2.setLength(vecA, 14.6);
       });
-      it("should return the rotated vector", function () {
+      it("should return the lengthend vector", function () {
         assertEqualApproximately(result, [10.323759005323593, 10.323759005323593]);
         assertEqualApproximately(vec2.length(result), 14.6);
       });

test/tests/vec3-test.js

@@ -559,7 +559,7 @@ describe('vec3', () => {
         vecA = [1, 1, 1];
         result = vec3.setLength(vecA, 14.6);
       });
-      it("should return the rotated vector", function () {
+      it("should return the lengthened vector", function () {
         assertEqualApproximately(result, [8.429313930168536, 8.429313930168536, 8.429313930168536]);
         assertEqualApproximately(vec3.length(result), 14.6);
       });

test/tests/vec4-test.js

@@ -412,7 +412,7 @@ describe('vec4', () => {
         vecA = [1, 1, 1, 1];
         result = vec4.setLength(vecA, 14.6);
       });
-      it("should return the rotated vector", function () {
+      it("should return the lengthened vector", function () {
         assertEqualApproximately(result, [7.3, 7.3, 7.3, 7.3]);
         assertEqualApproximately(vec4.length(result), 14.6);
       });