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https://github.com/josdejong/mathjs.git
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f79fec6db5
* fix toTex(): remove row delimiter on the last row * remove row delimiter on the last row (use map and join instead of forEach) * fix ArrayNode.toTex() unit tests incorrectly expecting a row delimiter on the last row * added toTex() tests for nested cases * fixed ArrayNode.toTex() for nested cases * removed redunant variable
39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
// test squeeze
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import assert from 'assert'
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import math from '../../../../src/defaultInstance.js'
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const squeeze = math.squeeze
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const size = math.size
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const matrix = math.matrix
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describe('squeeze', function () {
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it('should squeeze an matrix', function () {
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let m = math.ones(matrix([1, 3, 2]))
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assert.deepStrictEqual(size(m), matrix([1, 3, 2]))
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assert.deepStrictEqual(size(m.valueOf()), [1, 3, 2])
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assert.deepStrictEqual(size(squeeze(m)), matrix([3, 2]))
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m = math.ones(matrix([1, 1, 3]))
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assert.deepStrictEqual(size(m), matrix([1, 1, 3]))
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assert.deepStrictEqual(size(squeeze(m)), matrix([3]))
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assert.deepStrictEqual(size(squeeze(math.range(1, 6))), matrix([5]))
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assert.deepStrictEqual(squeeze(2.3), 2.3)
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assert.deepStrictEqual(squeeze(matrix([[5]])), 5)
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})
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it('should squeeze an array', function () {
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assert.deepStrictEqual(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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const expression = math.parse('squeeze([[0],[0]])')
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assert.strictEqual(expression.toTex(), '\\mathrm{squeeze}\\left(\\begin{bmatrix}0\\\\0\\end{bmatrix}\\right)')
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})
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})
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