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39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
// test multiply
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var assert = require('assert');
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var math = require('../../../math.js');
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// TODO: test parser
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// number
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assert.equal(math.multiply(2, 3), 6);
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assert.equal(math.multiply(-2, 3), -6);
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assert.equal(math.multiply(-2, -3), 6);
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assert.equal(math.multiply(5, 0), 0);
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assert.equal(math.multiply(0, 5), 0);
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// TODO: complex
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// unit
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assert.equal(math.multiply(2, math.unit('5 mm')).toString(), '10 mm');
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assert.equal(math.multiply(2, math.unit('5 mm')).toString(), '10 mm');
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assert.equal(math.multiply(math.unit('5 mm'), 2).toString(), '10 mm');
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assert.equal(math.multiply(math.unit('5 mm'), 0).toString(), '0 m');
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// TODO: string
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// matrix, array
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var a = math.matrix([[1,2],[3,4]]);
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var b = math.matrix([[5,6],[7,8]]);
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var c = math.matrix([[5],[6]]);
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var d = math.matrix([[5,6]]);
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assert.deepEqual(math.multiply(a, 3).valueOf(), [[3,6],[9,12]]);
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assert.deepEqual(math.multiply(3, a).valueOf(), [[3,6],[9,12]]);
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assert.deepEqual(math.multiply(a, b).valueOf(), [[19,22],[43,50]]);
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assert.deepEqual(math.multiply(a, c).valueOf(), [[17],[39]]);
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assert.deepEqual(math.multiply(d, a).valueOf(), [[23,34]]);
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assert.deepEqual(math.multiply(d, b).valueOf(), [[67,78]]);
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assert.deepEqual(math.multiply(d, c).valueOf(), [[61]]);
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assert.throws(function () {math.multiply(c, b)});
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// TODO: test array, range
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