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75 lines
2.6 KiB
JavaScript
75 lines
2.6 KiB
JavaScript
// test fix
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var assert = require('assert'),
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error = require('../../../lib/error/index'),
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approx = require('../../../tools/approx'),
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math = require('../../../index'),
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bignumber = math.bignumber,
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complex = math.complex,
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matrix = math.matrix,
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unit = math.unit,
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range = math.range,
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fix = math.fix;
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describe('fix', function() {
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it('should round booleans correctly', function () {
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assert.equal(fix(true), 1);
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assert.equal(fix(false), 0);
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});
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it('should round numbers correctly', function() {
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approx.equal(fix(0), 0);
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approx.equal(fix(1), 1);
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approx.equal(fix(1.3), 1);
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approx.equal(fix(1.8), 1);
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approx.equal(fix(2), 2);
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approx.equal(fix(-1), -1);
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approx.equal(fix(-1.3), -1);
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approx.equal(fix(-1.8), -1);
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approx.equal(fix(-2), -2);
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approx.equal(fix(-2.1), -2);
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approx.deepEqual(fix(math.pi), 3);
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});
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it('should round big numbers correctly', function() {
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assert.deepEqual(fix(bignumber(0)), bignumber(0));
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assert.deepEqual(fix(bignumber(1)), bignumber(1));
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assert.deepEqual(fix(bignumber(1.3)), bignumber(1));
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assert.deepEqual(fix(bignumber(1.8)), bignumber(1));
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assert.deepEqual(fix(bignumber(2)), bignumber(2));
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assert.deepEqual(fix(bignumber(-1)), bignumber(-1));
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assert.deepEqual(fix(bignumber(-1.3)), bignumber(-1));
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assert.deepEqual(fix(bignumber(-1.8)), bignumber(-1));
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assert.deepEqual(fix(bignumber(-2)), bignumber(-2));
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assert.deepEqual(fix(bignumber(-2.1)), bignumber(-2));
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});
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it('should round complex numbers correctly', function() {
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// complex
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approx.deepEqual(fix(complex(0, 0)), complex(0, 0));
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approx.deepEqual(fix(complex(1.3, 1.8)), complex(1, 1));
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approx.deepEqual(fix(math.i), complex(0, 1));
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approx.deepEqual(fix(complex(-1.3, -1.8)), complex(-1, -1));
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});
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it('should throw an error on unit as parameter', function() {
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// unit
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assert.throws(function () {fix(unit('5cm'))}, TypeError, 'Function fix(unit) not supported');
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});
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it('should throw an error on string as parameter', function() {
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// string
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assert.throws(function () {fix('hello world')}, TypeError, 'Function fix(string) not supported');
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});
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it('should correctly round all values of a matrix element-wise', function() {
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// matrix, array, range
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approx.deepEqual(fix([1.2, 3.4, 5.6, 7.8, 10.0]), [1, 3, 5, 7, 10]);
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approx.deepEqual(fix(matrix([1.2, 3.4, 5.6, 7.8, 10.0])), matrix([1, 3, 5, 7, 10]));
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});
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it('should throw an error in case of invalid number of arguments', function() {
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assert.throws(function () {fix()}, error.ArgumentsError);
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assert.throws(function () {fix(1, 2)}, error.ArgumentsError);
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});
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}); |