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39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
// test squeeze
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var assert = require('assert'),
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error = require('../../../src/error/index'),
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math = require('../../../src/index'),
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squeeze = math.squeeze,
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size = math.size,
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matrix = math.matrix
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describe('squeeze', function () {
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it('should squeeze an matrix', function () {
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var m = math.ones(matrix([1, 3, 2]))
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assert.deepEqual(size(m), matrix([1, 3, 2]))
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assert.deepEqual(size(m.valueOf()), [1, 3, 2])
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assert.deepEqual(size(squeeze(m)), matrix([3, 2]))
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m = math.ones(matrix([1, 1, 3]))
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assert.deepEqual(size(m), matrix([1, 1, 3]))
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assert.deepEqual(size(squeeze(m)), matrix([3]))
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assert.deepEqual(size(squeeze(math.range(1, 6))), matrix([5]))
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assert.deepEqual(squeeze(2.3), 2.3)
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assert.deepEqual(squeeze(matrix([[5]])), 5)
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})
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it('should squeeze an array', function () {
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assert.deepEqual(squeeze([[2, 3]]), [2, 3])
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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 () { squeeze() }, /TypeError: Too few arguments/)
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assert.throws(function () { squeeze(1, 2) }, /TypeError: Too many arguments/)
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})
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it('should LaTeX squeeze', function () {
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var expression = math.parse('squeeze([[0],[0]])')
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assert.equal(expression.toTex(), '\\mathrm{squeeze}\\left(\\begin{bmatrix}0\\\\0\\\\\\end{bmatrix}\\right)')
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})
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})
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