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65 lines
2.4 KiB
JavaScript
65 lines
2.4 KiB
JavaScript
// test size
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var assert = require('assert'),
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error = require('../../../lib/error/index'),
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mathjs = require('../../../index'),
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math = mathjs(),
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size = math.size,
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matrix = math.matrix;
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describe('size', function() {
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it('should calculate the size of an array', function() {
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assert.deepEqual(size([[1,2,3],[4,5,6]]), [2,3]);
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assert.deepEqual(size([[[1,2],[3,4]],[[5,6],[7,8]]]), [2,2,2]);
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assert.deepEqual(size([1,2,3]), [3]);
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assert.deepEqual(size([[1],[2],[3]]), [3,1]);
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assert.deepEqual(size([100]), [1]);
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assert.deepEqual(size([[100]]), [1,1]);
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assert.deepEqual(size([[[100]]]), [1,1,1]);
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assert.deepEqual(size([]), [0]);
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assert.deepEqual(size([[]]), [1,0]);
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assert.deepEqual(size([[[]]]), [1,1,0]);
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assert.deepEqual(size([[[],[]]]), [1,2,0]);
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});
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it('should calculate the size of a matrix', function() {
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assert.deepEqual(size(matrix()), matrix([0]));
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assert.deepEqual(size(matrix([[1,2,3], [4,5,6]])), matrix([2,3]));
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assert.deepEqual(size(matrix([[], []])), matrix([2,0]));
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});
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it('should calculate the size of a range', function() {
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assert.deepEqual(size(math.range(2,6)), matrix([4]));
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});
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it('should calculate the size of a scalar', function() {
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assert.deepEqual(size(2), matrix([]));
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assert.deepEqual(size(math.bignumber(2)), matrix([]));
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assert.deepEqual(size(math.complex(2,3)), matrix([]));
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assert.deepEqual(size(true), matrix([]));
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assert.deepEqual(size(null), matrix([]));
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});
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it('should calculate the size of a scalar with setting matrix=="array"', function() {
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var math2 = mathjs({matrix: 'array'});
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assert.deepEqual(math2.size(2), []);
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assert.deepEqual(math2.size(math.bignumber(2)), []);
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assert.deepEqual(math2.size(math.complex(2,3)), []);
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assert.deepEqual(math2.size('string'), [6]);
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});
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it('should calculate the size of a string', function() {
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assert.deepEqual(size('hello'), matrix([5]));
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assert.deepEqual(size(''), matrix([0]));
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});
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it('should throw an error if called with an invalid number of arguments', function() {
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assert.throws(function () {size()}, error.ArgumentsError);
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assert.throws(function () {size(1,2)}, error.ArgumentsError);
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});
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it('should throw an error if called with invalid type of arguments', function() {
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assert.throws(function () {size(new Date())}, math.error.UnsupportedTypeError);
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});
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});
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