yoga/javascript/tests/YGMeasureTest.test.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

test("dont_measure_single_grow_shrink_child", () => {
  const root = Yoga.Node.create();
  root.setWidth(100);
  root.setHeight(100);

  const measureCounter = getMeasureCounter(Yoga, null, 100, 100);

  const root_child0 = Yoga.Node.create();
  root_child0.setMeasureFunc(measureCounter.inc);
  root_child0.setFlexGrow(1);
  root_child0.setFlexShrink(1);
  root.insertChild(root_child0, 0);
  root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_LTR);

  expect(measureCounter.get()).toBe(0);

  root.freeRecursive();
});