Merge branch 'master' into sock_encoding

js/builder/build.js

@@ -20,7 +20,6 @@ class Build{
      * @param {Item} weapon: Weapon that this build is using.
      */
     constructor(level, items, weapon){
-
         if (level < 1) { //Should these be constants?
             this.level = 1;
         } else if (level > 106) {

js/builder/build_encode_decode.js

@@ -232,79 +232,119 @@ async function parse_hash(url_tag) {
 /*  Stores the entire build in a string using B64 encoding and adds it to the URL.
 */
 function encodeBuild(build, powders, skillpoints, atree, atree_state) {
-
+    //currently on version 8 - a unified version for all build types using bit-level encoding
     if (build) {
-        let build_string;
-        
-        //V6 encoding - Tomes
-        //V7 encoding - ATree
-        //V8 encoding - wynn version
+        //final link will be [build_vers]_[len_string]_[build_string]
         build_version = 8;
-        build_string = "";
-        tome_string = "";
+        let len_string = "";
+        let build_string = "";
+        let build_bits = new BitVector(0, 0);
 
+        //ITEMS
         for (const item of build.items) {
-            if (item.statMap.get("custom")) {
-                let custom = "CI-"+encodeCustom(item, true);
-                build_string += Base64.fromIntN(custom.length, 3) + custom;
+            if (item.statMap.get("NONE") && item.statMap.get("NONE") === true) {
+                build_bits.append(0, 2); //00
+            } else if (item.statMap.get("custom")) {
+                build_bits.append(3, 2); //11
+                //BitVector CI encoding TODO
+
+                // let custom = "CI-"+encodeCustom(item, true);
+                // build_string += Base64.fromIntN(custom.length, 3) + custom;
                 // build_version = Math.max(build_version, 5);
             } else if (item.statMap.get("crafted")) {
-                build_string += "CR-"+encodeCraft(item);
-            } else if (item.statMap.get("category") === "tome") {
-                let tome_id = item.statMap.get("id");
-                if (tome_id <= 60) {
-                    // valid normal tome. ID 61-63 is for NONE tomes.
-                    //build_version = Math.max(build_version, 6);
-                }
-                tome_string += Base64.fromIntN(tome_id, 2);
+                build_bits.append(2, 2); //10
+                //BitVector CR encoding TODO 
+
+                // build_string += "CR-"+encodeCraft(item);
             } else {
-                build_string += Base64.fromIntN(item.statMap.get("id"), 3);
+                if (item.statMap.get("category") === "tome") {
+                    //we will encode tomes later
+                    continue;
+                } else {
+                    build_bits.append(1, 2); //01
+                    build_bits.append(item.statMap.get("id"), 13);
+
+                    //powderable
+                    if (powderable_keys.includes(item.statMap.get("type"))) {
+                        if (item.statMap.get("powders") && item.statMap.get("powders").length !== 0) {
+                            //has powders
+                            build_bits.append(1, 1);
+                            
+                            //num of powders in 8 bits, then each powder (6 bits)
+                            //Having more than 256 powders on a vanilla item is NOT HANDLED.
+                            build_bits.append(item.statMap.get("powders").length, 8);
+                            for (const powder of item.statMap.get("powders")) {
+                                build_bits.append(powder, 6);
+                            }
+                        } else {
+                            //no powders
+                            build_bits.append(0, 1);
+                        }
+                    }
+                }
             }
         }
 
-        for (const skp of skillpoints) {
-            build_string += Base64.fromIntN(skp, 2); // Maximum skillpoints: 2048
-        }
-        build_string += Base64.fromIntN(build.level, 2);
-        for (const _powderset of powders) {
-            let n_bits = Math.ceil(_powderset.length / 6);
-            build_string += Base64.fromIntN(n_bits, 1); // Hard cap of 378 powders.
-            // Slice copy.
-            let powderset = _powderset.slice();
-            while (powderset.length != 0) {
-                let firstSix = powderset.slice(0,6).reverse();
-                let powder_hash = 0;
-                for (const powder of firstSix) {
-                    powder_hash = (powder_hash << 5) + 1 + powder; // LSB will be extracted first.
-                }
-                build_string += Base64.fromIntN(powder_hash, 5);
-                powderset = powderset.slice(6);
-            }
-        }
-        build_string += tome_string;
+        //SKILL POINTS
         
+        //the original schema included a flag to indicate whether or not skill points are included.
+        //any reason for having a flag isn't implemented yet, so for now every build will have the skill point flag set.
+        build_bits.append(1, 1);
+
+        for (const skp of build.base_skillpoints) {
+            build_bits.append(skp, 8); // Maximum skillpoints: 255 (allows for manual assign up to 150)
+        }
+
+        //BUILD LEVEL 
+
+        // [flag to indicate if level is not 106 (0/1)]
+        // [else: level (7 bits, allows for lv 1->127)]
+        if (player_build.level != 106) {
+            build_bits.append(1, 1);
+            build_bits.append(player_build.level, 7);
+        } else {
+            build_bits.append(0, 1);
+        }
+
+        // TOMES
+
+        // [flag to indicate if tomes are included (0/1)]
+        // [if set: 7 sequential tome IDs, each 6 bits unsigned]
+        if (build.tomes.length > 0) {
+            build_bits.append(1, 1);
+            //decoding will assume that tomes has length of 7.
+            for (const tome of build.tomes) {
+                build_bits.append(tome.id, 6); 
+            }
+        } else {
+            build_bits.append(0, 1);
+        }
+
+        // ATREE
+
+        // [flag to indicate if atree data is present]
+        // [atree data: see existing encoding impl] //idk the impl
         if (atree.length > 0 && atree_state.get(atree[0].ability.id).active) {
-            //build_version = Math.max(build_version, 7);
-            const bitvec = encode_atree(atree, atree_state);
-            build_string += bitvec.toB64();
+            build_bits.append(1, 1);
+            const atree_bitvec = encode_atree(atree, atree_state);
+            build_bits.append(atree_bitvec);
+        } else {
+            build_bits.append(0, 1);
         }
 
-        return build_version.toString() + "_" + build_string;
+        //compute length and return final build hash
+        return build_version.toString() + "_" + len_string + "_" + build_string;
     }
 }
 
-function get_full_url() {
-    return `${url_base}?v=${wynn_version_id.toString()}${location.hash}`
-}
-
 function copyBuild() {
-    copyTextToClipboard(get_full_url());
+    copyTextToClipboard(url_base+location.hash);
     document.getElementById("copy-button").textContent = "Copied!";
 }
 
 function shareBuild(build) {
     if (build) {
-        let text = get_full_url()+"\n"+
+        let text = url_base+location.hash+"\n"+
             "WynnBuilder build:\n"+
             "> "+build.items[0].statMap.get("displayName")+"\n"+
             "> "+build.items[1].statMap.get("displayName")+"\n"+
@@ -314,13 +354,7 @@ function shareBuild(build) {
             "> "+build.items[5].statMap.get("displayName")+"\n"+
             "> "+build.items[6].statMap.get("displayName")+"\n"+
             "> "+build.items[7].statMap.get("displayName")+"\n"+
-            "> "+build.items[15].statMap.get("displayName")+" ["+build_powders[4].map(x => powderNames.get(x)).join("")+"]\n";
-        for (let tomeslots = 8; tomeslots < 15; tomeslots++) {
-            if (!build.items[tomeslots].statMap.has('NONE')) {
-                text += ">"+' (Has Tomes)' ;
-                break;
-            }
-        }
+            "> "+build.items[15].statMap.get("displayName")+" ["+build_powders[4].map(x => powderNames.get(x)).join("")+"]";
         copyTextToClipboard(text);
         document.getElementById("share-button").textContent = "Copied!";
     }

js/builder/builder_graph.js

@@ -428,7 +428,7 @@ class BuildAssembleNode extends ComputeNode {
         if (all_none && !location.hash) {
             return null;
         }
-        return new Build(level, equipments, weapon);
+        return new Build(level, equipments, tomes, weapon);
     }
 }
 

js/utils.js

@@ -172,7 +172,13 @@ Base64 = (function () {
                 }
             }
         } else if (typeof data === "number") {
-            if (typeof length === "undefined")
+            if (typeof length === "undefined") {
+                if (data == 0) {
+                    length = 0;
+                } else {
+                    length = Math.ceil(Math.log(data + 1) / Math.log(2)); //+1 to account for powers of 2
+                }
+            }
             if (length < 0) {
                 throw new RangeError("BitVector must have nonnegative length.");
             }
@@ -189,6 +195,10 @@ Base64 = (function () {
             throw new TypeError("BitVector must be instantiated with a Number or a B64 String");
         }
 
+        if (bit_vec.length == 0) {
+            bit_vec = [0];
+        }
+
         this.length = length;
         this.bits = new Uint32Array(bit_vec);
     }
@@ -201,7 +211,7 @@ Base64 = (function () {
      */
     read_bit(idx) {
         if (idx < 0 || idx >= this.length) {
-            throw new RangeError("Cannot read bit outside the range of the BitVector. ("+idx+" > "+this.length+")");
+            throw new RangeError("Cannot read bit outside the range of the BitVector. ("+idx+" >= "+this.length+")");
         }
         return ((this.bits[Math.floor(idx / 32)] & (1 << idx)) == 0 ? 0 : 1);
     }
@@ -311,46 +321,51 @@ Base64 = (function () {
 
     /** Appends data to the BitVector.
      *
-     * @param {Number | String} data - The data to append.
-     * @param {Number} length - The length, in bits, of the new data. This is ignored if data is a string.
+     * @param {Number | String | BitVector} data - The data to append.
+     * @param {Number} length - The length, in bits, of the new data. This is ignored if data is a string. Defaults to 32 for numbers.
      */
-     append(data, length) {
+     append(data, length = 32) {
         if (length < 0) {
             throw new RangeError("BitVector length must increase by a nonnegative number.");
         }
 
-        let bit_vec = [];
-        for (const uint of this.bits) {
-            bit_vec.push(uint);
-        }
+        //actual new data length is needed for resizing purposes 
         if (typeof data === "string") {
-            let int = bit_vec[bit_vec.length - 1];
-            let bv_idx = this.length;
             length = data.length * 6;
-            let updated_curr = false;
-            for (let i = 0; i < data.length; i++) {
-                let char = Base64.toInt(data[i]);
-                let pre_pos = bv_idx % 32;
-                int |= (char << bv_idx);
-                bv_idx += 6;
-                let post_pos = bv_idx % 32;
-                if (post_pos < pre_pos) { //we have to have filled up the integer
-                    if (bit_vec.length == this.bits.length && !updated_curr) {
-                        bit_vec[bit_vec.length - 1] = int;
-                        updated_curr = true;
-                    } else {
-                        bit_vec.push(int);
-                    }
-                    int = (char >>> (6 - post_pos));
+        } else if (data instanceof BitVector) {
+            length = data.length;
         }
 
-                if (i == data.length - 1) {
-                    if (bit_vec.length == this.bits.length && !updated_curr) {
-                        bit_vec[bit_vec.length - 1] = int;
-                    } else if (post_pos != 0) {
-                        bit_vec.push(int);
+        let new_length = this.length + length;
+        if (this.bits.length * this.bits.BYTES_PER_ELEMENT * 8 < new_length) {
+            //resize the internal repr by a factor of 2 before recursive calling
+            let bit_vec = Array(2 * this.bits.length).fill(0);
+            for (let i = 0; i < this.bits.length; i++) {
+                bit_vec[i] = this.bits[i];
             }
+
+            this.bits = new Uint32Array(bit_vec);
+            return this.append(data, length);
         }
+
+        //just write to the original bitvec
+        let curr_idx = Math.floor(this.length / 32);
+        let pos = this.length;
+        
+        if (typeof data === "string") {
+            //daily reminder that shifts are modded by 32
+            for (const character of data) {
+                let char = Base64.toInt(character);
+                this.bits[curr_idx] |= (char << pos);
+
+                //if we go to the "next" char, update it
+                if (Math.floor(pos / 32) < Math.floor((pos + 5) / 32)) {
+                    this.bits[curr_idx + 1] |= (char >>> (6 - (pos + 6) % 32));
+                }
+
+                //update counters
+                pos += 6;
+                curr_idx = Math.floor(pos / 32);
             }
         } else if (typeof data === "number") {
             //convert to int just in case
@@ -362,15 +377,36 @@ Base64 = (function () {
             }
             //could be split between multiple new ints
             //reminder that shifts implicitly mod 32
-            bit_vec[bit_vec.length - 1] |= ((int & ~((~0) << length)) << (this.length));
-            if (((this.length - 1) % 32 + 1) + length > 32) {
-                bit_vec.push(int >>> (32 - this.length));
+            if (length == 32) {
+                this.bits[curr_idx] |= int << (this.length);
+            } else {
+                this.bits[curr_idx] |= ((int & ~((~0) << length)) << (this.length));
             }
+
+            //overflow part
+            if ((pos % 32) + length > 32) {
+                this.bits[curr_idx + 1] = (int >>> (32 - this.length));
+            }
+        } else if (data instanceof BitVector) {
+            //fill to end of curr int of existing bv
+            let other_pos = (32 - (pos % 32));
+            this.bits[curr_idx] |= data.slice(0, other_pos);
+            curr_idx += 1;
+
+            //fill full ints
+            while (other_pos + 32 < data.length) {
+                this.bits[curr_idx] = data.slice(other_pos, other_pos + 32);
+                curr_idx += 1;
+                other_pos += 32;
+            }
+            
+            //fill from "rest of" length/bv
+            this.bits[curr_idx] = data.slice(other_pos, data.length); 
         } else {
             throw new TypeError("BitVector must be appended with a Number or a B64 String");
         }
 
-        this.bits = new Uint32Array(bit_vec);
+        //update length
         this.length += length;
     }
 };
@@ -661,6 +697,9 @@ const getScript = url => new Promise((resolve, reject) => {
 /*
 GENERIC TEST FUNCTIONS
 */
+const TEST_SUCCESS = 1;
+const TEST_FAIL = 0;
+
 /** The generic assert function. Fails on all "false-y" values. Useful for non-object equality checks, boolean value checks, and existence checks.
  *
  * @param {*} arg - argument to assert.
@@ -668,8 +707,10 @@ GENERIC TEST FUNCTIONS
  */
  function assert(arg, msg) {
     if (!arg) {
-        throw new Error(msg ? msg : "Assert failed.");
+        console.trace(msg ? msg : "Assert failed.");
+        return TEST_FAIL;
     }
+    return TEST_SUCCESS;
 }
 
 /** Asserts object equality of the 2 parameters. For loose and strict asserts, use assert().
@@ -680,8 +721,10 @@ GENERIC TEST FUNCTIONS
  */
 function assert_equals(arg1, arg2, msg) {
     if (!Object.is(arg1, arg2)) {
-        throw new Error(msg ? msg : "Assert Equals failed. " + arg1 + " is not " + arg2 + ".");
+        console.trace(msg ? msg : "Assert Equals failed. " + arg1 + " is not " + arg2 + ".");
+        return TEST_FAIL;
     }
+    return TEST_SUCCESS;
 }
 
 /** Asserts object inequality of the 2 parameters. For loose and strict asserts, use assert().
@@ -692,8 +735,10 @@ function assert_equals(arg1, arg2, msg) {
  */
  function assert_not_equals(arg1, arg2, msg) {
     if (Object.is(arg1, arg2)) {
-        throw new Error(msg ? msg : "Assert Not Equals failed. " + arg1 + " is " + arg2 + ".");
+        console.trace(msg ? msg : "Assert Not Equals failed. " + arg1 + " is " + arg2 + ".");
+        return TEST_FAIL;
     }
+    return TEST_SUCCESS;
 }
 
 /** Asserts proximity between 2 arguments. Should be used for any floating point datatype.
@@ -705,8 +750,10 @@ function assert_equals(arg1, arg2, msg) {
  */
 function assert_near(arg1, arg2, epsilon = 1E-5, msg) {
     if (Math.abs(arg1 - arg2) > epsilon) {
-        throw new Error(msg ? msg : "Assert Near failed. " + arg1 + " is not within " + epsilon + " of " + arg2 + ".");
+        console.trace(msg ? msg : "Assert Near failed. " + arg1 + " is not within " + epsilon + " of " + arg2 + ".");
+        return TEST_FAIL;
     }
+    return TEST_SUCCESS;
 }
 
 /** Asserts that the input argument is null.
@@ -716,8 +763,10 @@ function assert_near(arg1, arg2, epsilon = 1E-5, msg) {
  */
 function assert_null(arg, msg) {
     if (arg !== null) {
-        throw new Error(msg ? msg : "Assert Near failed. " + arg + " is not null.");
+        console.trace(msg ? msg : "Assert Near failed. " + arg + " is not null.");
+        return TEST_FAIL;
     }
+    return TEST_SUCCESS;
 }
 
 /** Asserts that the input argument is undefined.
@@ -727,8 +776,10 @@ function assert_null(arg, msg) {
  */
  function assert_undefined(arg, msg) {
     if (arg !== undefined) {
-        throw new Error(msg ? msg : "Assert Near failed. " + arg + " is not undefined.");
+        console.trace(msg ? msg : "Assert Near failed. " + arg + " is not undefined.");
+        return TEST_FAIL;
     }
+    return TEST_SUCCESS;
 }
 
 /** Asserts that there is an error when a callback function is run.
@@ -740,9 +791,10 @@ function assert_error(func_binding, msg) {
     try {
         func_binding();
     } catch (err) {
-        return;
+        return TEST_SUCCESS;
     }
-    throw new Error(msg ? msg : "Function didn't throw an error.");
+    console.trace(msg ? msg : "Function didn't throw an error.");
+    return TEST_FAIL;
 }
 
 /**
@@ -779,8 +831,6 @@ function deepcopy(obj, refs=undefined) {
     }
     return ret;
 }
-
-
 /**
  * 
  */

temp.py

@@ -0,0 +1,11 @@
+import json
+import sys
+import os
+import base64
+import argparse
+
+parser = argparse.ArgumentParser(description="Do a little trolling.")
+parser.add_argument('infile', help='input file to read data from')
+parser.add_argument('outfile', help='output file to dump clean data into')
+args = parser.parse_args()
+infile, outfile = args.infile, args.outfile

testing/index.html

@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<!-- This is supposed to be a testing page. Modify it as you need. -->
+
+<html scroll-behavior="smooth">
+
+    <head>
+        <title>WynnBuilder Dev</title>
+        <link rel="icon" href="../media/icons/new/atlas64.png">
+        <link rel="manifest" href="manifest.json">
+    
+        <meta name="viewport" content="width=device-width, initial-scale=.45, user-scalable=no">
+    
+        <!-- nunito font, copying wynnbuilder, which is copying wynndata -->
+        <link rel="preconnect" href="https://fonts.googleapis.com">
+        <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+        <link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet">
+    
+        <link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet">
+        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
+            integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
+    
+        <link rel="stylesheet" href="../css/sq2bs.css">
+    </head>
+
+<body id = "body" class = "all">
+    <!-- add DOM elements as desired -->
+
+    <!-- add scripts -->
+    <script type="text/javascript" src="../js/utils.js"></script>
+</body>
+
+</html>

unit_tests/index.html

@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<body>
+    <head>
+        <meta name="HandheldFriendly" content="true" />
+        <meta name="MobileOptimized" content="320" />
+        <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, width=device-width, user-scalable=no" />
+        <!-- nunito font, copying wynndata -->
+
+        <meta name="viewport" content="width=device-width, initial-scale=.45, user-scalable=no">
+        <link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet">
+        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
+    
+        <link rel="stylesheet" href="../css/sq2bs.css">
+        <link rel="icon" href="../media/icons/new/builder.png">
+        <link rel="manifest" href="manifest.json">
+        <title>WynnBuilder</title>
+    </head>
+    <div>
+        Scram kid this page ain't for you
+    </div>
+
+    <script type="text/javascript" src = "./test_main.js"></script>
+    <!--Import other needed scripts here-->    
+    <script type="text/javascript" src="../js/utils.js"></script>
+    <!--script type="text/javascript" src="../js/builder/optimize.js"></script-->
+</body>

unit_tests/test_main.js

@@ -0,0 +1,94 @@
+
+
+//requires js/utils.js
+function test_bv() {
+    /* BASIC TESTS - NO EDGE CASES */ 
+    //empty array
+    let bv = new BitVector(0);
+    console.log(bv.toB64()); //0
+    bv.append(10, 4);
+    console.log(bv.toB64()); //A
+    bv.append(10, 4);
+    console.log(bv.toB64(), bv.bits); //g2, 170 (0b10 101010)
+
+    bv = new BitVector("");
+    console.log(bv.toB64(), bv.bits, bv.length);
+    bv.append("A");
+    console.log(bv.toB64(), bv.bits); //A
+    bv.append("102");
+    console.log(bv.toB64(), bv.bits); //A102
+
+
+
+    //make sure extra length doesn't do anything
+    bv = new BitVector(0);   
+    bv.append(10, 5);
+    console.log(bv.toB64()); //A
+    bv.append(10, 4);
+    console.log(bv.toB64(), bv.bits); //a5, 330 (0b101 001010)
+
+    //non-empty array
+    bv = new BitVector(32); //100000
+    console.log(bv.toB64(), bv.bits); //W, 32 (0b 100000)
+    bv.append(1, 1);
+    console.log(bv.toB64(), bv.bits); //W1, 96 (0b 1 100000)
+    bv.append(10, 4);
+    console.log(bv.toB64(), bv.bits); //WL, 1376 (0b 10101 100000)
+
+    bv = new BitVector(7, 2);
+    bv.append("ABCDE");
+    console.log(bv.toB64(), bv.bits, bv.length); // limqu0, 0b 00 111000 110100 110000 101100 101111
+
+    //bit ops
+    console.log(bv.read_bit(7)); //0
+    bv.set_bit(7);
+    console.log(bv.read_bit(7)); //1
+    console.log(bv.toB64(), bv.bits); //WN , 1504 (0b 10111 100000)
+    bv.clear_bit(7);
+    console.log(bv.read_bit(7)); //0
+
+
+    /* SIMPLE EDGE CASE TESTS*/
+
+    // string -> 3 ints
+    bv = new BitVector("a1s2d3f4A9XJKw-m");
+    console.log(bv.toB64(), bv.bits, bv.length);
+    bv.append("M+LKeoxZJ0JELW0x");
+    console.log(bv.toB64(), bv.bits, bv.length);
+
+
+    //full int
+    bv = new BitVector(4294967295);
+    console.log(bv.toB64(), bv.bits, bv.length); //-----3, 4294967295, (0b 11 111111 111111 111111 111111 111111)
+
+    //append single bit to full int
+    bv.append(1, 1);
+    console.log(bv.toB64(), bv.bits, bv.length); //-----7, [4294967295, 1], (0b 111 1s...)
+
+
+    //append full int to full int to full int
+    bv = new BitVector(4294967295);
+    bv.append(4294967280); 
+    console.log(bv.toB64(), bv.bits, bv.length); // -----3----F, [4294967295, 4294967280], (0b 1111 1....1 000011 111111 ...)
+    bv.append(4294967167); 
+    console.log(bv.toB64(), bv.bits, bv.length); // -----3-----V----, [4294967295, 4294967280, 4294967167, 0] (0b 1...1 011111 1....1 000011 111111)
+
+
+    /* BIG TESTS */
+    bv = new BitVector(12341234); //(0b 101111 000100 111111 110010)
+    console.log(bv.toB64(), bv.bits, bv.length); // o-4l, 12341234 (0b 101111 000100 111111 110010)
+    console.log(bv.slice(10, 15)); //19 (100 11)
+    bv.append(4113241323); //(0b 11 110101 001010 110001 010011 101011)
+    bv.append(2213461274); //(0b 1000 001111 101110 101111 010001 1010)
+    bv.append(1273491384); //(0b 10010 111110 011111 101111 101110 00)
+    bv.append(1828394744); //(0b 110110 011111 011000 101101 111100 0)
+    bv.append(1938417329); //(0b 1 110011 100010 011110 011010 110001)
+    console.log(bv.toB64(), bv.bits, bv.length); //o -4lhJn ArhHlk F8klV+ IuRn+i 5hv9E7
+    
+    bv = new BitVector("");
+    bv_2 = new BitVector("a1s2d3f4A9XJKw-m");
+    console.log(bv_2.toB64(), bv_2.bits, bv_2.length);
+    bv.append(bv_2);
+    console.log(bv.toB64(), bv.bits, bv.length);
+
+}