48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
|
'use strict'
|
||
|
|
|
||
|
|
const { test } = require('tap')
|
||
|
|
const { MAX_MSGID } = require('../../../../lib/client/constants')
|
||
|
|
const geWindow = require('../../../../lib/client/message-tracker/ge-window')
|
||
|
|
|
||
|
|
test('comp > (ref in upper window) => true', async t => {
|
||
|
|
const ref = Math.floor(MAX_MSGID / 2) + 10
|
||
|
|
const comp = ref + 10
|
||
|
|
const result = geWindow(ref, comp)
|
||
|
|
t.is(result, true)
|
||
|
|
})
|
||
|
|
|
||
|
|
test('comp < (ref in upper window) => false', async t => {
|
||
|
|
const ref = Math.floor(MAX_MSGID / 2) + 10
|
||
|
|
const comp = ref - 5
|
||
|
|
const result = geWindow(ref, comp)
|
||
|
|
t.is(result, false)
|
||
|
|
})
|
||
|
|
|
||
|
|
test('comp > (ref in lower window) => true', async t => {
|
||
|
|
const ref = Math.floor(MAX_MSGID / 2) - 10
|
||
|
|
const comp = ref + 20
|
||
|
|
const result = geWindow(ref, comp)
|
||
|
|
t.is(result, true)
|
||
|
|
})
|
||
|
|
|
||
|
|
test('comp < (ref in lower window) => false', async t => {
|
||
|
|
const ref = Math.floor(MAX_MSGID / 2) - 10
|
||
|
|
const comp = ref - 5
|
||
|
|
const result = geWindow(ref, comp)
|
||
|
|
t.is(result, false)
|
||
|
|
})
|
||
|
|
|
||
|
|
test('(max === MAX_MSGID) && (comp > ref) => true', async t => {
|
||
|
|
const ref = MAX_MSGID - Math.floor(MAX_MSGID / 2)
|
||
|
|
const comp = ref + 1
|
||
|
|
const result = geWindow(ref, comp)
|
||
|
|
t.is(result, true)
|
||
|
|
})
|
||
|
|
|
||
|
|
test('(max === MAX_MSGID) && (comp < ref) => false', async t => {
|
||
|
|
const ref = MAX_MSGID - Math.floor(MAX_MSGID / 2)
|
||
|
|
const comp = ref - 1
|
||
|
|
const result = geWindow(ref, comp)
|
||
|
|
t.is(result, false)
|
||
|
|
})
|