Test Cases for mergeArray

testCase.js

function an(a, b) {
  for(var r=[],i=0,j=0;i<a.length||j<b.length;){
    if(b[j]&&a[i]){
      if(a[i]<b[j]) {
        r.push(a[i])
        while(a[++i]==r[r.length-1]);
      }
      else if(a[i]>b[j]){
        r.push(b[j])
        while(b[++j]==r[r.length-1]);
      }
      else{
        var n=a[i],x=0,y=0
        while(a[++i]==n) x++
        while(b[++j]==n) y++
        if(x==y) r.push(n)
      }
    }
    else if(a[i]) while(a[i]) {
      if(a[i]!=a[i+1]) r.push(a[i])
      i++
    }
    else if(b[j]) while(b[j]){
      if(b[j]!=b[j+1]) r.push(b[j])
      j++
    }
  }
  return r
}

function rndc(){
  var allc="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  return allc[~~(allc.length*Math.random())]; 
}
function rndc1(){
  var allc="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_ !@#$%^&*_(),.?|{}[]-=+\\/"
  return allc[~~(allc.length*Math.random())]; 
}
function rndclo(){
  var allc="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  return allc[~~(allc.length*Math.random())]; 
}
function rndcn(){
  var allc="1234567890"
  return allc[~~(allc.length*Math.random())]; 
}
function rndcl(){
  var allc="abcdefghijklmnopqrstuvwxyz"
  return allc[~~(allc.length*Math.random())]; 
}
function rndcno(){
  var allc="1234567890_ !@#$%^&*_(),.?|{}[]-=+"
  return allc[~~(allc.length*Math.random())]; 
}
function rndch(){
  var allc="ABCDEFGHIJKLMNOPQRSTUVWXYZ"
  return allc[~~(allc.length*Math.random())]; 
}
function rnd9(){
  var allc="123456789";
  return allc[~~(allc.length*Math.random())]; 
}
function rnd10(){
  var allc="0123456789";
  return allc[~~(allc.length*Math.random())]; 
}
function rnds(n){
  var len= n||rand(4,10)
  for (var i=0,rs=[];i<len;i++) rs[i]=rndcl();
  return rs.join("");
}
function rndsx(n){
  var len= n||rand(4,10)
  for (var i=0,rs=[];i<len;i++) rs[i]=rndc();
  return rs.join("");
}
function rndss(n){
  var len= n||rand(2,5)
  for (var i=0,rs=[];i<len;i++) rs[i]=rnds();
  return rs.join(" ")
}
function rndsss(n){
  var len= n||rand(5,15)
  for (var i=0,rs=[];i<len;i++) rs[i]=rnds();
  return rndch()+rs.join(" ")
}

function shuff(arr){
  for(var i=0;i<100;i++){
    var idx1=rand(0,arr.length-1),idx2=rand(0,arr.length-1)
    var t=arr[idx1]
    arr[idx1]=arr[idx2]
    arr[idx2]=t
  }
}
function rnds2(n){
  var len= n||~~(15*Math.random())+4;
  for (var i=0,rs=[];i<len;i++) rs[i]=rndcl();
  return rs.join("");
}
function rand(from,to){
  return Math.floor((to-from+1)*Math.random()+from)
}

//var arr100=Array.from({length:100},(_,i)=>i+1)


function rndtest1(tp){
  var len=tp?1000000:rand(10,100),start=rand(1,100),n1=start,n2=start,r1=[],r2=[],i=0
  while(len--){
    r1.push(n1)
    r2.push(n2)
    n1+=rand(0,3)?0:rand(0,3)
    n2+=rand(0,3)?0:rand(0,3)
  }
  r2.push(Math.max(n1,n2)+rand(1,3))
  return [r1,r2]
}
var [hugeArray1,hugeArray2]=rndtest1(1)
//console.log(hugeArray1.slice(0,20))
//console.log(hugeArray2.slice(0,20))
function rndtest(tp){
  var r1,r2,len=tp?500000:100
  var idx=rand(0,200000)
  r1=hugeArray1.slice(idx,idx+len)
  r2=hugeArray2.slice(idx,idx+len)
  return [r1,r2]
}
function rndname(){
  var len=3
  for(var r=rndch(),i=0;i<len;i++) r+=rndcl()
  return r
}
function rndarr(){
  var len=rand(10,50),r1=[]
  for (var i=0;i<len;i++) {
    r1[i]=rand(1,99)
  }
  return r1
}
function rndarr2(){
  var len=10000,len1=len+1,add=110000,r1=[],r2=[]
  for (var i=0;i<len;i++) {
    var t=rand(0,1000)%4?rand(1,len):rand(len1,add)
    r1[i]=t
    r2[i]=t
  }
  return [r1,r2]
}

function showResult(s,color="00cc00",who="Your"){
  console.log("<font face='sans-serif' color='#"+color+"' size=3><b>"+who+" result is:</b></font><font face='sans-serif' color='#cccc00' size=3>"+
      "\n"+s+"</font>","")
}

describe("Basic Tests", function(){
it("It should works for basic tests.", function(){

Test.assertDeepEquals(mergeArrays([10, 10, 10, 15, 20, 20, 25, 25, 30, 7000],[10, 15, 20, 20, 27, 7200]),[15, 20, 25, 27, 30, 7000, 7200])

Test.assertDeepEquals(mergeArrays([500, 550, 1000, 1000, 1400, 3500],[2, 2, 2, 2, 3, 1500]),[2, 3, 500, 550, 1000, 1400, 1500, 3500])

Test.assertDeepEquals(mergeArrays([5],[5, 5, 7]),[7])

Test.assertDeepEquals(mergeArrays([2,2,2,2,2,2,2,2,2,3,3,3,3,3,5,7],[2,2,2,2,2,2,2,2,2,3,3,3,3,3,6,6,8] ),[2, 3, 5, 6, 7, 8])

Test.assertDeepEquals(mergeArrays([33,33,34,34,34,37,37,37,37,38,38,38,38,41],[33,33,36,36,38,38,38,38,41,44,44,44,44,44,47] ),[33, 34, 36, 37, 38, 41, 44, 47])

})})

var failed=0,recfailed=[]

describe("100 Random Tests --- Testing for correctness of solution", function(){
  it("It should works for random tests.", function(){
  function check(a,b){
    for(var i=0;i<a.length;i++) if(a[i]!==b[i]) return "Array a and b are different at index "+i+": a["+i+"] = "+a[i]+", b["+i+"] = "+b[i]
    return "Passed!"
  }
    for(var iii=0;iii<100;iii++){
      var [ddd,eee]=iii<20?rndtest1(0):rndtest(1)
      //eee=rand(1,50)*2,
      //fff=rand(0,5),
      //ggg=rand(2,30),hhh=rand(1,50),
      if(iii<20) console.log("<font face='sans-serif' color='#00cc00' size=3><b>Testing for:</b></font><font face='sans-serif' color='#eeee00' size=3>"+
       "\na = "+JSON.stringify(ddd)
      +"\nb = "+JSON.stringify(eee)
      //+"\nc = "+JSON.stringify(fff)
      //+"\ncandy = "+JSON.stringify(ggg)
      //+",  maxW = "+JSON.stringify(hhh)
      +"</font>","")
      else console.log("<font face='sans-serif' color='#00cc00' size=3><b>Testing for:</b></font><font face='sans-serif' color='#eeee00' size=3>"+
       "\nHuge array(omitted)"+"</font>","")
      var ans=an(ddd,eee)
      var useran=mergeArrays(ddd,eee)
      /*
      if(JSON.stringify(useran)!=JSON.stringify(ans)) {
        failed++
      }
      */
      if(iii<20) {
        Test.assertDeepEquals(useran,ans)
        if(JSON.stringify(useran)!=JSON.stringify(ans)) failed++      
      }
      else {
        var testresult=check(useran,ans)
        if(testresult!="Passed!") failed++
        Test.assertEquals(check(useran,ans),"Passed!")
      }
    }
  });
  
});
//console.log(recfailed)
if(!failed){
describe("Congratulations! You have passed all the tests!", function(){
});
}