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80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
// test ones
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var assert = require('assert'),
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error = require('../../../lib/error/index'),
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math = require('../../../index'),
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ones = math.ones,
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matrix = math.matrix;
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describe('ones', function() {
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it('should create an empty matrix', function () {
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assert.deepEqual(ones(), matrix());
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assert.deepEqual(ones([]), []);
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assert.deepEqual(ones(matrix([])), matrix());
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});
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it('should create an empty matrix, sparse', function () {
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assert.deepEqual(ones('sparse'), matrix('sparse'));
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assert.deepEqual(ones([], 'sparse'), matrix([], 'sparse'));
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assert.deepEqual(ones(matrix([]), 'sparse'), matrix('sparse'));
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});
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it('should create a vector with ones', function () {
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assert.deepEqual(ones(3), matrix([1,1,1]));
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assert.deepEqual(ones(matrix([4])), matrix([1,1,1,1]));
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assert.deepEqual(ones([4]), [1,1,1,1]);
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assert.deepEqual(ones(0), matrix([]));
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});
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it('should create a 2D matrix with ones', function () {
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assert.deepEqual(ones(2,3), matrix([[1,1,1],[1,1,1]]));
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assert.deepEqual(ones(3,2), matrix([[1,1],[1,1],[1,1]]));
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assert.deepEqual(ones([3,2]), [[1,1],[1,1],[1,1]]);
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});
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it('should create a matrix with ones from a matrix', function () {
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assert.deepEqual(ones(matrix([3])), matrix([1,1,1]));
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assert.deepEqual(ones(matrix([3,2])), matrix([[1,1],[1,1],[1,1]]));
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});
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it('should create a matrix with bignumber ones', function () {
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var one = math.bignumber(1);
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var three = math.bignumber(3);
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assert.deepEqual(ones(three), matrix([one,one,one]));
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assert.deepEqual(ones([three]), [one,one,one]);
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});
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it('should create a 3D matrix with ones', function () {
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var res = [
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[
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[1,1,1,1],
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[1,1,1,1],
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[1,1,1,1]
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],
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[
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[1,1,1,1],
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[1,1,1,1],
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[1,1,1,1]
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]
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];
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assert.deepEqual(ones(2,3,4), matrix(res));
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assert.deepEqual(ones(matrix([2,3,4])), matrix(res));
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assert.deepEqual(ones([2,3,4]), res);
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});
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// TODO: test setting `matrix`
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it('should create a matrix with ones with the same size as original matrix', function () {
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var a = matrix([[1, 2, 3], [4, 5, 6]]);
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assert.deepEqual(ones(math.size(a)).size(), a.size());
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});
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// TODO: test with invalid input
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it('should LaTeX ones', function () {
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var expression = math.parse('ones(2)');
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assert.equal(expression.toTex(), '\\mathrm{ones}\\left(2\\right)');
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});
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});
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