How to use peekUint16 method in wpt

Best JavaScript code snippet using wpt

Stream.js

Source:Stream.js

1/*2Stream3https://github.com/audiocogs/aurora.js4*/5(function() {6	var decodeString, float64, float64Fallback, float80, nativeEndian;7	var buf = new ArrayBuffer(16),8		uint8 = new Uint8Array(buf),9		int8 = new Int8Array(buf),10		uint16 = new Uint16Array(buf),11		int16 = new Int16Array(buf),12		uint32 = new Uint32Array(buf),13		int32 = new Int32Array(buf),14		float32 = new Float32Array(buf);15	if (typeof Float64Array !== "undefined" && Float64Array !== null) {16		float64 = new Float64Array(buf);17	}18	nativeEndian = new Uint16Array(new Uint8Array([0x12, 0x34]).buffer)[0] === 0x3412;19	function UnderflowError() {20		this.name = 'UnderflowError';21	}22	function Stream(list) {23		this.list = list;24		this.localOffset = 0;25		this.offset = 0;26	}27	Stream.fromBuffer = function(buffer) {28		var list;29		list = new BufferList;30		list.append(buffer);31		return new Stream(list);32	};33	Stream.prototype.copy = function() {34		var result;35		result = new Stream(this.list.copy());36		result.localOffset = this.localOffset;37		result.offset = this.offset;38		return result;39	};40	Stream.prototype.available = function(bytes) {41		return bytes <= this.list.availableBytes - this.localOffset;42	};43	Stream.prototype.remainingBytes = function() {44		return this.list.availableBytes - this.localOffset;45	};46	Stream.prototype.advance = function(bytes) {47		if (!this.available(bytes)) {48			throw new UnderflowError();49		}50		this.localOffset += bytes;51		this.offset += bytes;52		while (this.list.first && this.localOffset >= this.list.first.length) {53			this.localOffset -= this.list.first.length;54			this.list.advance();55		}56		return this;57	};58	Stream.prototype.rewind = function(bytes) {59		if (bytes > this.offset) {60			throw new UnderflowError();61		}62		if (!this.list.first) {63			this.list.rewind();64			this.localOffset = this.list.first.length;65		}66		this.localOffset -= bytes;67		this.offset -= bytes;68		while (this.list.first.prev && this.localOffset < 0) {69			this.list.rewind();70			this.localOffset += this.list.first.length;71		}72		return this;73	};74	Stream.prototype.seek = function(position) {75		if (position > this.offset) {76			return this.advance(position - this.offset);77		} else if (position < this.offset) {78			return this.rewind(this.offset - position);79		}80	};81	Stream.prototype.readUInt8 = function() {82		var a;83		if (!this.available(1)) {84			throw new UnderflowError();85		}86		a = this.list.first.data[this.localOffset];87		this.localOffset += 1;88		this.offset += 1;89		if (this.localOffset === this.list.first.length) {90			this.localOffset = 0;91			this.list.advance();92		}93		return a;94	};95	Stream.prototype.peekUInt8 = function(offset) {96		var buffer;97		if (offset == null) {98			offset = 0;99		}100		if (!this.available(offset + 1)) {101			throw new UnderflowError();102		}103		offset = this.localOffset + offset;104		buffer = this.list.first;105		while (buffer) {106			if (buffer.length > offset) {107				return buffer.data[offset];108			}109			offset -= buffer.length;110			buffer = buffer.next;111		}112		return 0;113	};114	Stream.prototype.read = function(bytes, littleEndian) {115		var i, _i, _j, _ref;116		if (littleEndian == null) {117			littleEndian = false;118		}119		if (littleEndian === nativeEndian) {120			for (i = _i = 0; _i < bytes; i = _i += 1) {121				uint8[i] = this.readUInt8();122			}123		} else {124			for (i = _j = _ref = bytes - 1; _j >= 0; i = _j += -1) {125				uint8[i] = this.readUInt8();126			}127		}128	};129	Stream.prototype.peek = function(bytes, offset, littleEndian) {130		var i, _i, _j;131		if (littleEndian == null) {132			littleEndian = false;133		}134		if (littleEndian === nativeEndian) {135			for (i = _i = 0; _i < bytes; i = _i += 1) {136				uint8[i] = this.peekUInt8(offset + i);137			}138		} else {139			for (i = _j = 0; _j < bytes; i = _j += 1) {140				uint8[bytes - i - 1] = this.peekUInt8(offset + i);141			}142		}143	};144	Stream.prototype.readInt8 = function() {145		this.read(1);146		return int8[0];147	};148	Stream.prototype.peekInt8 = function(offset) {149		if (offset == null) {150			offset = 0;151		}152		this.peek(1, offset);153		return int8[0];154	};155	Stream.prototype.readUInt16 = function(littleEndian) {156		this.read(2, littleEndian);157		return uint16[0];158	};159	Stream.prototype.peekUInt16 = function(offset, littleEndian) {160		if (offset == null) {161			offset = 0;162		}163		this.peek(2, offset, littleEndian);164		return uint16[0];165	};166	Stream.prototype.readInt16 = function(littleEndian) {167		this.read(2, littleEndian);168		return int16[0];169	};170	Stream.prototype.peekInt16 = function(offset, littleEndian) {171		if (offset == null) {172			offset = 0;173		}174		this.peek(2, offset, littleEndian);175		return int16[0];176	};177	Stream.prototype.readUInt24 = function(littleEndian) {178		if (littleEndian) {179			return this.readUInt16(true) + (this.readUInt8() << 16);180		} else {181			return (this.readUInt16() << 8) + this.readUInt8();182		}183	};184	Stream.prototype.peekUInt24 = function(offset, littleEndian) {185		if (offset == null) {186			offset = 0;187		}188		if (littleEndian) {189			return this.peekUInt16(offset, true) + (this.peekUInt8(offset + 2) << 16);190		} else {191			return (this.peekUInt16(offset) << 8) + this.peekUInt8(offset + 2);192		}193	};194	Stream.prototype.readInt24 = function(littleEndian) {195		if (littleEndian) {196			return this.readUInt16(true) + (this.readInt8() << 16);197		} else {198			return (this.readInt16() << 8) + this.readUInt8();199		}200	};201	Stream.prototype.peekInt24 = function(offset, littleEndian) {202		if (offset == null) {203			offset = 0;204		}205		if (littleEndian) {206			return this.peekUInt16(offset, true) + (this.peekInt8(offset + 2) << 16);207		} else {208			return (this.peekInt16(offset) << 8) + this.peekUInt8(offset + 2);209		}210	};211	Stream.prototype.readUInt32 = function(littleEndian) {212		this.read(4, littleEndian);213		return uint32[0];214	};215	Stream.prototype.peekUInt32 = function(offset, littleEndian) {216		if (offset == null) {217			offset = 0;218		}219		this.peek(4, offset, littleEndian);220		return uint32[0];221	};222	Stream.prototype.readInt32 = function(littleEndian) {223		this.read(4, littleEndian);224		return int32[0];225	};226	Stream.prototype.peekInt32 = function(offset, littleEndian) {227		if (offset == null) {228			offset = 0;229		}230		this.peek(4, offset, littleEndian);231		return int32[0];232	};233	Stream.prototype.readFloat32 = function(littleEndian) {234		this.read(4, littleEndian);235		return float32[0];236	};237	Stream.prototype.peekFloat32 = function(offset, littleEndian) {238		if (offset == null) {239			offset = 0;240		}241		this.peek(4, offset, littleEndian);242		return float32[0];243	};244	Stream.prototype.readFloat64 = function(littleEndian) {245		this.read(8, littleEndian);246		if (float64) {247			return float64[0];248		} else {249			return float64Fallback();250		}251	};252	float64Fallback = function() {253		var exp, frac, high, low, out, sign;254		low = uint32[0], high = uint32[1];255		if (!high || high === 0x80000000) {256			return 0.0;257		}258		sign = 1 - (high >>> 31) * 2;259		exp = (high >>> 20) & 0x7ff;260		frac = high & 0xfffff;261		if (exp === 0x7ff) {262			if (frac) {263				return NaN;264			}265			return sign * Infinity;266		}267		exp -= 1023;268		out = (frac | 0x100000) * Math.pow(2, exp - 20);269		out += low * Math.pow(2, exp - 52);270		return sign * out;271	};272	Stream.prototype.peekFloat64 = function(offset, littleEndian) {273		if (offset == null) {274			offset = 0;275		}276		this.peek(8, offset, littleEndian);277		if (float64) {278			return float64[0];279		} else {280			return float64Fallback();281		}282	};283	Stream.prototype.readFloat80 = function(littleEndian) {284		this.read(10, littleEndian);285		return float80();286	};287	float80 = function() {288		var a0, a1, exp, high, low, out, sign;289		high = uint32[0], low = uint32[1];290		a0 = uint8[9];291		a1 = uint8[8];292		sign = 1 - (a0 >>> 7) * 2;293		exp = ((a0 & 0x7F) << 8) | a1;294		if (exp === 0 && low === 0 && high === 0) {295			return 0;296		}297		if (exp === 0x7fff) {298			if (low === 0 && high === 0) {299				return sign * Infinity;300			}301			return NaN;302		}303		exp -= 16383;304		out = low * Math.pow(2, exp - 31);305		out += high * Math.pow(2, exp - 63);306		return sign * out;307	};308	Stream.prototype.peekFloat80 = function(offset, littleEndian) {309		if (offset == null) {310			offset = 0;311		}312		this.peek(10, offset, littleEndian);313		return float80();314	};315	Stream.prototype.readBuffer = function(length) {316		var i, result, to, _i;317		result = Buffer.allocate(length);318		to = result.data;319		for (i = _i = 0; _i < length; i = _i += 1) {320			to[i] = this.readUInt8();321		}322		return result;323	};324	Stream.prototype.peekBuffer = function(offset, length) {325		var i, result, to, _i;326		if (offset == null) {327			offset = 0;328		}329		result = BufferJS.allocate(length);330		to = result.data;331		for (i = _i = 0; _i < length; i = _i += 1) {332			to[i] = this.peekUInt8(offset + i);333		}334		return result;335	};336	Stream.prototype.readSingleBuffer = function(length) {337		var result;338		result = this.list.first.slice(this.localOffset, length);339		this.advance(result.length);340		return result;341	};342	Stream.prototype.peekSingleBuffer = function(offset, length) {343		var result;344		result = this.list.first.slice(this.localOffset + offset, length);345		return result;346	};347	Stream.prototype.readString = function(length, encoding) {348		if (encoding == null) {349			encoding = 'ascii';350		}351		return decodeString.call(this, 0, length, encoding, true);352	};353	Stream.prototype.peekString = function(offset, length, encoding) {354		if (offset == null) {355			offset = 0;356		}357		if (encoding == null) {358			encoding = 'ascii';359		}360		return decodeString.call(this, offset, length, encoding, false);361	};362	decodeString = function(offset, length, encoding, advance) {363		var b1, b2, b3, b4, bom, c, end, littleEndian, nullEnd, pt, result, w1, w2;364		encoding = encoding.toLowerCase();365		nullEnd = length === null ? 0 : -1;366		if (length == null) {367			length = Infinity;368		}369		end = offset + length;370		result = '';371		switch (encoding) {372			case 'ascii':373			case 'latin1':374				while (offset < end && (c = this.peekUInt8(offset++)) !== nullEnd) {375					result += String.fromCharCode(c);376				}377				break;378			case 'utf8':379			case 'utf-8':380				while (offset < end && (b1 = this.peekUInt8(offset++)) !== nullEnd) {381					if ((b1 & 0x80) === 0) {382						result += String.fromCharCode(b1);383					} else if ((b1 & 0xe0) === 0xc0) {384						b2 = this.peekUInt8(offset++) & 0x3f;385						result += String.fromCharCode(((b1 & 0x1f) << 6) | b2);386					} else if ((b1 & 0xf0) === 0xe0) {387						b2 = this.peekUInt8(offset++) & 0x3f;388						b3 = this.peekUInt8(offset++) & 0x3f;389						result += String.fromCharCode(((b1 & 0x0f) << 12) | (b2 << 6) | b3);390					} else if ((b1 & 0xf8) === 0xf0) {391						b2 = this.peekUInt8(offset++) & 0x3f;392						b3 = this.peekUInt8(offset++) & 0x3f;393						b4 = this.peekUInt8(offset++) & 0x3f;394						pt = (((b1 & 0x0f) << 18) | (b2 << 12) | (b3 << 6) | b4) - 0x10000;395						result += String.fromCharCode(0xd800 + (pt >> 10), 0xdc00 + (pt & 0x3ff));396					}397				}398				break;399			case 'utf16-be':400			case 'utf16be':401			case 'utf16le':402			case 'utf16-le':403			case 'utf16bom':404			case 'utf16-bom':405				switch (encoding) {406					case 'utf16be':407					case 'utf16-be':408						littleEndian = false;409						break;410					case 'utf16le':411					case 'utf16-le':412						littleEndian = true;413						break;414					case 'utf16bom':415					case 'utf16-bom':416						if (length < 2 || (bom = this.peekUInt16(offset)) === nullEnd) {417							if (advance) {418								this.advance(offset += 2);419							}420							return result;421						}422						littleEndian = bom === 0xfffe;423						offset += 2;424				}425				while (offset < end && (w1 = this.peekUInt16(offset, littleEndian)) !== nullEnd) {426					offset += 2;427					if (w1 < 0xd800 || w1 > 0xdfff) {428						result += String.fromCharCode(w1);429					} else {430						if (w1 > 0xdbff) {431							throw new Error("Invalid utf16 sequence.");432						}433						w2 = this.peekUInt16(offset, littleEndian);434						if (w2 < 0xdc00 || w2 > 0xdfff) {435							throw new Error("Invalid utf16 sequence.");436						}437						result += String.fromCharCode(w1, w2);438						offset += 2;439					}440				}441				if (w1 === nullEnd) {442					offset += 2;443				}444				break;445			default:446				throw new Error("Unknown encoding: " + encoding);447		}448		if (advance) {449			this.advance(offset);450		}451		return result;452	};453	window.Stream = Stream;...

threads.js

Source:threads.js

...13  var sp = Debug.evaluate("((CTL_TASK_t*)"+x+")->stack_pointer");14  var a = new Array();15  for (i=4;i<=15;i++) // r4-r15 saved16    {17      a[i] = TargetInterface.peekUint16(sp);18      sp += 2;19    }20  a[3] = 0; // r3 isn't saved  21  a[2] = TargetInterface.peekUint16(sp); // sr+pc22  a[0] = (a[2]&0xf000)<<4;23  a[2] &= 0x0fff;24  sp += 2;25  a[0] |= TargetInterface.peekUint16(sp); // pc26  sp += 2;27  a[1] = sp; // r1/sp28  return a;29}30function setregs(x, a)31{32  var sp = a[1];33  sp -= 2;34  TargetInterface.pokeUint16(sp, a[0]); // pc35  sp -= 2;36  var srpc = (a[2] & 0x0fff)+((a[0] >> 4) & 0xf000);37  TargetInterface.pokeUint16(sp, srpc); // sr+pc38  for (i=15;i>=4;i--)39    {...

StreamReader.ts

Source:StreamReader.ts

...35  public peekByte() {36    return this.peekUint8()37  }38  public readUint16() {39    const v = this.peekUint16()40    this.pointer += 241    return v42  }43  public peekUint16() {44    return this.view.getUint16(this.pointer)45  }46  public readLine() {47    let char = ''48    let result = ''49    while (char !== '\n') {50      result += char51      char = String.fromCharCode(this.readUint8())52    }53    return result54  }...

Using AI Code Generation

1const { ReadableStream, WritableStream, CountQueuingStrategy, ByteLengthQueuingStrategy } = require('web-streams-polyfill/ponyfill');2const rs = new ReadableStream({3  start(controller) {4    controller.enqueue(new Uint8Array([65, 66, 67, 68, 69, 70, 71, 72]));5    controller.close();6  }7});8rs.pipeThrough(new TextDecoderStream())9  .pipeTo(new WritableStream({10    write(chunk) {11      console.log(chunk);12    },13    close() {14      console.log('done');15    }16  }));

Using AI Code Generation

1var ab = new ArrayBuffer(2);2var u16 = new Uint16Array(ab);3u16[0] = 0x1234;4var u8 = new Uint8Array(ab);5assert_equals(u8.peekUint16(), 0x1234);6assert_equals(u8.peekUint16(0), 0x1234);7assert_equals(u8.peekUint16(1), 0x3400);8assert_equals(u8.peekUint16(2), 0x1234);9assert_equals(u8.peekUint16(3), 0x3400);10assert_equals(u8.peekUint16(4), 0x1234);11assert_equals(u8.peekUint16(5), 0x3400);12assert_equals(u8.peekUint16(6), 0x1234);13assert_equals(u8.peekUint16(7), 0x3400);14assert_equals(u8.peekUint16(8), 0x1234);15assert_equals(u8.peekUint16(9), 0x3400);16assert_equals(u8.peekUint16(10), 0x1234);17assert_equals(u8.peekUint16(11), 0x3400);18assert_equals(u8.peekUint16(12), 0x1234);19assert_equals(u8.peekUint16(13), 0x3400);20assert_equals(u8.peekUint16(14), 0x1234);21assert_equals(u8.peekUint16(15), 0x3400);22assert_equals(u8.peekUint16(16), 0x1234);23assert_equals(u8.peekUint16(17), 0x3400);24assert_equals(u8.peekUint16(18), 0x1234);25assert_equals(u8.peekUint16(19), 0x3400);26assert_equals(u8.peekUint16(20), 0x1234);27assert_equals(u8.peekUint16(21), 0x3400);28assert_equals(u8.peekUint16(22), 0x1234);29assert_equals(u8.peekUint16(23), 0x3400);30assert_equals(u8.peekUint16(24), 0x1234);31assert_equals(u8.peekUint16(25), 0x3400);32assert_equals(u8.peekUint16(26), 0x1234);33assert_equals(u8.peekUint16(27),

Using AI Code Generation

1function peekUint16Test() {2    var arrayBuffer = new ArrayBuffer(16);3    var int16View = new Int16Array(arrayBuffer);4    var uint16View = new Uint16Array(arrayBuffer);5    var dataView = new DataView(arrayBuffer);6    var littleEndian = true;7    var bigEndian = false;8    for (var i = 0; i < int16View.length; i++) {9        int16View[i] = i;10    }11    for (var i = 0; i < int16View.length; i++) {12        assert_equals(dataView.peekUint16(i * 2, littleEndian), i);13        assert_equals(dataView.peekUint16(i * 2, bigEndian), i);14    }15    for (var i = int16View.length - 1; i >= 0; i--) {16        assert_equals(dataView.peekUint16(i * 2, littleEndian), i);17        assert_equals(dataView.peekUint16(i * 2, bigEndian), i);18    }19    for (var i = 0; i < uint16View.length; i++) {20        assert_equals(dataView.peekUint16(i * 2, littleEndian), uint16View[i]);21        assert_equals(dataView.peekUint16(i * 2, bigEndian), uint16View[i]);22    }23    for (var i = uint16View.length - 1; i >= 0; i--) {24        assert_equals(dataView.peekUint16(i * 2, littleEndian), uint16View[i]);25        assert_equals(dataView.peekUint16(i * 2, bigEndian), uint16View[i]);26    }27    for (var i = 0; i < int16View.length; i++) {28        assert_equals(dataView.peekUint16(i * 2, littleEndian), int16View[i]);29        assert_equals(dataView.peekUint16(i * 2, bigEndian), int16View[i]);30    }

Using AI Code Generation

1var wpt = require('wpt');2var buf = new Buffer(4);3buf.writeUInt16BE(0x1234, 0);4buf.writeUInt16BE(0x5678, 2);5var peek = wpt.peekUint16(buf, 2);6console.log(peek);7## peekUint32(buf, offset)8var wpt = require('wpt');9var buf = new Buffer(8);10buf.writeUInt32BE(0x12345678, 0);11buf.writeUInt32BE(0x9abcdef0, 4);12var peek = wpt.peekUint32(buf, 4);13console.log(peek);14## peekInt8(buf, offset)15var wpt = require('wpt');16var buf = new Buffer(2);17buf.writeInt8(0x12, 0);18buf.writeInt8(0x34, 1);19var peek = wpt.peekInt8(buf, 1);20console.log(peek);21## peekInt16(buf, offset)

Using AI Code Generation

1var wptools = require('wptools');2var wp = new wptools('Albert Einstein');3wp.peekUint16(function(err, data) {4    if (err) {5        console.log('Error: ' + err);6    } else {7        console.log(data);8    }9});10## peekUint32(callback)11var wptools = require('wptools');12var wp = new wptools('Albert Einstein');13wp.peekUint32(function(err, data) {14    if (err) {15        console.log('Error: ' + err);16    } else {17        console.log(data);18    }19});20## peekUint64(callback)21var wptools = require('wptools');22var wp = new wptools('Albert Einstein');23wp.peekUint64(function(err, data) {24    if (err) {25        console.log('Error: ' + err);26    } else {27        console.log(data);28    }29});30## peekUint128(callback)31var wptools = require('wptools');32var wp = new wptools('Albert Einstein');33wp.peekUint128(function(err, data) {34    if (err) {35        console.log('Error: ' + err);36    } else {37        console.log(data);38    }39});40## peekUint256(callback)41var wptools = require('wptools');42var wp = new wptools('Albert Einstein');43wp.peekUint256(function(err, data) {44    if (err) {45        console.log('Error: ' + err);46    } else {47        console.log(data);48    }49});50## peekUint512(callback)51var wptools = require('wptools');52var wp = new wptools('Albert Einstein');53wp.peekUint512(function(err, data) {54    if (err) {55        console.log('Error: ' + err

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new wpt();3var buffer = new Buffer(4);4buffer[0] = 0x12;5buffer[1] = 0x34;6buffer[2] = 0x56;7buffer[3] = 0x78;8var val = wpt.peekUint16(buffer, 0, true);9val = wpt.peekUint16(buffer, 0, false);10## peekUint32(buffer, offset, littleEndian)11var wpt = require('wpt');12var wpt = new wpt();13var buffer = new Buffer(4);14buffer[0] = 0x12;15buffer[1] = 0x34;16buffer[2] = 0x56;17buffer[3] = 0x78;18var val = wpt.peekUint32(buffer, 0, true);19val = wpt.peekUint32(buffer, 0, false);20## peekInt8(buffer, offset)21var wpt = require('wpt');22var wpt = new wpt();23var buffer = new Buffer(4);24buffer[0] = 0x12;25buffer[1] = 0x34;26buffer[2] = 0x56;27buffer[3] = 0x78;28var val = wpt.peekInt8(buffer, 0);29## peekInt16(buffer, offset, littleEndian)30var wpt = require('wpt');

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org');3var location = 'Dulles:Chrome';4wpt.runTest(url, {location: location}, function(err, data) {5  if (err) {6    console.log(err);7  } else {8    console.log(data);9    wpt.getTestResults(data.data.testId, function(err, data) {10      if (err) {11        console.log(err);12      } else {13        console.log(data);14      }15    });16  }17});

Using AI Code Generation

1var wpt = require('webpage').create();2var fs = require('fs');3var page = require('webpage').create();4var output = 'output.png';5var width = 1024;6var height = 768;7var page = require('webpage').create();8page.viewportSize = { width: width, height: height };9page.open(url, function(status) {10  if (status !== 'success') {11    console.log('Unable to load the address!');12  } else {13    window.setTimeout(function() {14      page.render(output);15      phantom.exit();16    }, 200);17  }18});

Using AI Code Generation

1var wpt = require('wpt');2var fs = require('fs');3var data = new Uint8Array(fs.readFileSync('test.wpt'));4var wptFile = new wpt.WptFile(data);5var peek = wptFile.peekUint16();6console.log(peek);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.