floor_test.hhs

function floor_test() {

  *import math: floor

  // test scenario 1: integer test
  // testset setup
  let testSet1 = [1, -1, 0, -0, 1.1, -1.1, 1.0, -1.0];
  let expectedVal1 = [1, -1, 0, 0, 1, -2, 1, -1];
  // test process
  for (let i = 0; i < testSet1.length; i++) {
    if (floor(testSet1[i]) !== expectedVal1[i]) {
      throw new Error("floor integer test has failed on testcase: " + testSet1[i] +
        "\noutput " + floor(testSet1[i]) + " while " + expectedVal1[i] + " is expected.");
    }
  }

  // test scenario 2: 1d array test
  // testset setup
  let testSet2 = [1, -1, 0, -0, 1.1, -1.1, 1.0, -1.0];
  let expectedVal2 = mat([[1, -1, 0, 0, 1, -2, 1, -1]]);
  // test process
  if (!(floor(testSet2) === expectedVal2)) {
    throw new Error("floor 1d array test has failed");
  }

  // test scenario 3: 2d array test
  // testset setup
  let testSet3 = [[1, -1, 0, -0], [1.1, -1.1, 1.0, -1.0]];
  let expectedVal3 = mat([[1, -1, 0, 0], [1, -2, 1, -1]]);
  // test process
  if (!(floor(testSet3) === expectedVal3)) {
    throw new Error("floor 2d array test has failed");
  }

  // test scenario 4: Mat test
  // testset setup
  let testSet4 = mat([[1, -1, 0, -0], [1.1, -1.1, 1.0, -1.0]]);
  let expectedVal4 = mat([[1, -1, 0, 0], [1, -2, 1, -1]]);
  // test process
  if (!(floor(testSet4) === expectedVal4)) {
    throw new Error("floor Mat test has failed");
  }
  
    if (floor(1.5) !== 1) {
        throw new Error('Unit test failed for number for floor');
    }

    let a = [1.5, 2.5, -1.5];
    if (!(floor(a) === [1, 2, -2])) {
        throw new Error('Unit test failed for array for floor');
    }

    let b = mat([[1.5, 2.5], [-1.5, -2.5]]);
    if (!(floor(b) === mat([[1, 2], [-2, -3]]))) {
        throw new Error('Unit test failed for matrix for floor');
    }

    let c = new Tensor([[[1.5, 2.5], [-1.5, -2.5]], [[1.5, 2.5], [-1.5, -2.5]]]);
    let d = floor(c).val;
    if (!(d[0] === [[1, 2], [-2, -3]]) || !(d[1] === [[1, 2], [-2, -3]])) {
        throw new Error('Unit test failed for tensor for floor');
    }

    //print('floor test pass');

}