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36 lines
797 B
JavaScript
36 lines
797 B
JavaScript
// test abs
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var assert = require('assert');
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var math = require('../../../math.js');
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// parser
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assert.equal(math.eval('abs(-4.2)'), 4.2);
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// number
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assert.equal(math.abs(-4.2), 4.2);
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assert.equal(math.abs(-3.5), 3.5);
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assert.equal(math.abs(100), 100);
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assert.equal(math.abs(0), 0);
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// complex
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assert.equal(math.abs(math.complex(3, -4)), 5);
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// unit
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assert.throws(function () {
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math.abs(math.unit(5, 'km'));
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});
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// string
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assert.throws(function () {
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math.abs('a string');
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});
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// matrix, array
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var a1 = math.abs(math.matrix([1,-2,3]));
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assert.ok(a1 instanceof math.type.Matrix);
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assert.deepEqual(a1.size(), [3]);
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assert.deepEqual(a1.valueOf(), [1,2,3]);
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a1 = math.abs(math.range(-2,2));
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assert.ok(a1 instanceof Array);
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assert.deepEqual(a1.length, 5);
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assert.deepEqual(a1, [2,1,0,1,2]);
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