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72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
var assert = require('assert'),
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math = require('../../../index')(),
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bool = math['boolean'];
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describe('boolean', function() {
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it('should be the identity with a boolean', function() {
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assert.equal(bool(true), true);
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assert.equal(bool(false), false);
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});
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it('should convert a number into a boolean', function() {
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assert.equal(bool(-2), true);
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assert.equal(bool(-1), true);
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assert.equal(bool(0), false);
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assert.equal(bool(1), true);
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assert.equal(bool(2), true);
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});
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it('should convert a bignumber into a boolean', function() {
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assert.equal(bool(math.bignumber(-2)), true);
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assert.equal(bool(math.bignumber(-1)), true);
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assert.equal(bool(math.bignumber(0)), false);
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assert.equal(bool(math.bignumber(1)), true);
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assert.equal(bool(math.bignumber(2)), true);
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});
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it('should convert the elements of a matrix or array to booleans', function() {
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assert.deepEqual(bool(math.matrix([1,0,1,1])), new math.type.Matrix([true, false, true, true]));
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assert.deepEqual(bool([1,0,1,1]), [true, false, true, true]);
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});
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it('should convert a string into a boolean', function() {
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assert.equal(bool('true'), true);
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assert.equal(bool('false'), false);
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assert.equal(bool('True'), true);
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assert.equal(bool('False'), false);
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assert.equal(bool('1'), true);
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assert.equal(bool('0'), false);
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assert.equal(bool(' 0 '), false);
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assert.equal(bool('2'), true);
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assert.equal(bool(' 4e2 '), true);
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assert.equal(bool(' -4e2 '), true);
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});
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it('should convert a Boolean into a boolean', function() {
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assert.equal(bool(new Boolean(true)), true);
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assert.equal(bool(new Boolean(false)), false);
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});
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it('should throw an error if the string is not a valid number', function() {
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assert.throws(function () {bool('')}, SyntaxError);
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assert.throws(function () {bool('23a')}, SyntaxError);
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});
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it('should throw an error if there\'s a wrong number of arguments', function() {
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assert.throws(function () {bool(1,2)}, math.error.ArgumentsError);
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assert.throws(function () {bool(1,2,3)}, math.error.ArgumentsError);
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});
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it('should throw an error if used with a complex', function() {
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assert.throws(function () {bool(math.complex(2,3))}, SyntaxError);
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});
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it('should throw an error if used with a unit', function() {
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assert.throws(function () {bool(math.unit('5cm'))}, SyntaxError);
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});
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}); |