text: /**
   * @license
   * Copyright 2019 Google LLC. All Rights Reserved.
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * =============================================================================
   */
  
  import {ALL_ENVS, describeWithFlags} from './jasmine_util';
  import {expectArraysClose, expectArraysEqual} from './test_util';
  
  describeWithFlags('expectArraysEqual', ALL_ENVS, () => {
    it('same arrays', () => {
      expectArraysEqual([1, 2, 3], [1, 2, 3]);
    });
  
    it('throws on different arrays', () => {
      expect(() => expectArraysEqual([1, 2, 3], [3, 2, 1]))
          .toThrowError(/Arrays differ/);
    });
  
    it('same nested arrays', () => {
      expectArraysEqual([[1, 2], [3, 4]], [[1, 2], [3, 4]]);
    });
  
    it('throws on different nested arrays', () => {
      expect(() => expectArraysEqual([[1, 2], [3, 4]], [[1, 2], [4, 3]]))
          .toThrowError(/Arrays differ/);
    });
  
    it('throws on different nested shapes', () => {
      expect(() => expectArraysEqual([[1, 2], [3, 4]], [1, 2, 3, 4]))
          .toThrowError(
              /Arrays have different shapes. Actual: \[2,2\]. Expected: \[4\]/);
    });
  
    it('float32 with regular array', () => {
      expectArraysEqual(new Float32Array([1, 2, 3]), [1, 2, 3]);
    });
  
    it('throws on different values of float32 with regular array', () => {
      expect(() => expectArraysEqual(new Float32Array([1, 2, 3]), [1, 2, 4]))
          .toThrowError(/Arrays differ/);
    });
  
    it('int32 with regular array', () => {
      expectArraysEqual(new Int32Array([1, 2, 3]), [1, 2, 3]);
    });
  
    it('throws on different values of int32 with regular array', () => {
      expect(() => expectArraysEqual(new Int32Array([1, 2, 3]), [1, 2, 4]))
          .toThrowError(/Arrays differ/);
    });
  
    it('throws on float32 with int32', () => {
      expect(
          () => expectArraysEqual(
              new Float32Array([1, 2, 3]), new Int32Array([1, 2, 3])))
          .toThrowError(/Arrays are of different type/);
    });
  
    it('throws on int32 with uint8', () => {
      expect(
          () => expectArraysEqual(
              new Int32Array([1, 2, 3]), new Uint8Array([1, 2, 3])))
          .toThrowError(/Arrays are of different type/);
    });
  });
  
  describeWithFlags('expectArraysClose', ALL_ENVS, () => {
    it('same arrays', () => {
      expectArraysClose([1, 2, 3], [1, 2, 3]);
    });
  
    it('throws on different arrays', () => {
      expect(() => expectArraysClose([1, 2, 3], [3, 2, 1]))
          .toThrowError(/Arrays differ/);
    });
  
    it('same nested arrays', () => {
      expectArraysClose([[1, 2], [3, 4]], [[1, 2], [3, 4]]);
    });
  
    it('throws on different nested arrays', () => {
      expect(() => expectArraysClose([[1, 2], [3, 4]], [[1, 2], [4, 3]]))
          .toThrowError(/Arrays differ/);
    });
  
    it('throws on different nested shapes', () => {
      expect(() => expectArraysClose([[1, 2], [3, 4]], [1, 2, 3, 4]))
          .toThrowError(
              /Arrays have different shapes. Actual: \[2,2\]. Expected: \[4\]/);
    });
  
    it('float32 with regular array', () => {
      expectArraysClose(new Float32Array([1, 2, 3]), [1, 2, 3]);
    });
  
    it('throws on different values of float32 with regular array', () => {
      expect(() => expectArraysClose(new Float32Array([1, 2, 3]), [1, 2, 4]))
          .toThrowError(/Arrays differ/);
    });
  
    it('int32 with regular array', () => {
      expectArraysClose(new Int32Array([1, 2, 3]), [1, 2, 3]);
    });
  
    it('throws on different values of int32 with regular array', () => {
      expect(() => expectArraysClose(new Int32Array([1, 2, 3]), [1, 2, 4]))
          .toThrowError(/Arrays differ/);
    });
  
    it('throws on float32 with int32', () => {
      expect(
          () => expectArraysClose(
              new Float32Array([1, 2, 3]), new Int32Array([1, 2, 3])))
          .toThrowError(/Arrays are of different type/);
    });
  
    it('throws on int32 with uint8', () => {
      expect(
          () => expectArraysClose(
              new Int32Array([1, 2, 3]), new Uint8Array([1, 2, 3])))
          .toThrowError(/Arrays are of different type/);
    });
  
    it('similar arrays with good epsilon', () => {
      const epsilon = 0.1;
      expectArraysClose(new Float32Array([1, 2, 3.08]), [1, 2, 3], epsilon);
    });
  
    it('similar arrays with bad epsilon', () => {
      const epsilon = 0.01;
      expect(
          () => expectArraysClose(
              new Float32Array([1, 2, 3.08]), [1, 2, 3], epsilon))
          .toThrowError(/Arrays differ/);
    });
  });
  