  var v1 = [0, 0, 0, 0];

    goog.vec.Matrix4.multVec4(m0, v0, v1);
    assertElementsEquals([90, 100, 110, 120], v1);
    goog.vec.Matrix4.multVec4(m0, v0, v0);
    assertElementsEquals([90, 100, 110, 120], v0);

    var v0 = [1, 2, 3, 4];
    goog.vec.Matrix4.multVec4ToArray(m0, v0, v0);
    assertElementsEquals([90, 100, 110, 120], v0);
  }

  function testSetValues() {
    var a0 = goog.vec.Matrix4.create();
    assertElementsEquals(
        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], a0);
    a0