File: YGMeasureCacheTest.test.js

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/**
 * 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("measure_once_single_flexible_child", () => {
  const root = Yoga.Node.create();
  root.setFlexDirection(Yoga.FLEX_DIRECTION_ROW);
  root.setAlignItems(Yoga.ALIGN_FLEX_START);
  root.setWidth(100);
  root.setHeight(100);

  const measureCounter = getMeasureCounterMax(Yoga);

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

  root.calculateLayout(Yoga.UNDEFINED, Yoga.UNDEFINED, Yoga.DIRECTION_LTR);

  expect(measureCounter.get()).toBe(1);

  root.freeRecursive();
});