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Mini Shell
Mini Shell
'use strict';
var assert = require('assert');
var parseInterval = require('./').default;
describe('Parser', function () {
describe('should return null if', function () {
it('input is invalid', function () {
assert.equal(null, parseInterval('INVALID INPUT'));
assert.equal(null, parseInterval('1,2'));
assert.equal(null, parseInterval('[]'));
assert.equal(null, parseInterval(']['));
});
it('left value more than right value', function () {
assert.equal(null, parseInterval('[2,-2]'));
assert.equal(null, parseInterval('[Infinity,-2]'));
assert.equal(null, parseInterval('[1,-Infinity]'));
});
it('value equals, but not included to interval', function () {
assert.equal(null, parseInterval('[2,2)'));
assert.equal(null, parseInterval('(2,2]'));
assert.equal(null, parseInterval('[2,2['));
assert.equal(null, parseInterval(']2,2]'));
assert.equal(null, parseInterval('(2,2)'));
assert.equal(null, parseInterval(']2,2['));
assert.equal(null, parseInterval('(2)'));
assert.equal(null, parseInterval(']2['));
assert.equal(null, parseInterval('(Infinity,Infinity]'));
});
});
describe('should right work', function () {
it('in full form', function () {
assert.deepEqual({
from: {
value: -10,
included: true
},
to: {
value: 10,
included: false
}
}, parseInterval('[-10,10)'));
});
it('in not full form', function () {
assert.deepEqual({
from: {
value: 10,
included: true
},
to: {
value: 10,
included: true
}
}, parseInterval('[10]'));
assert.deepEqual({
from: {
value: 10,
included: true
},
to: {
value: Infinity,
included: true
}
}, parseInterval('[10,]'));
assert.deepEqual({
from: {
value: -Infinity,
included: true
},
to: {
value: 10,
included: true
}
}, parseInterval('[,10]'));
assert.deepEqual({
from: {
value: -Infinity,
included: true
},
to: {
value: Infinity,
included: true
}
}, parseInterval('[,]'));
});
});
});
Zerion Mini Shell 1.0