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suite.js
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/*
Copyright 2013 Daniel Wirtz <[email protected]>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
var ByteBuffer = require("../dist/bytebuffer-node.js");
var ByteBufferNode = ByteBuffer;
var ByteBufferBrowser = require("../dist/bytebuffer.min.js");
var ByteBufferBrowser_DataView = require("../dist/bytebuffer-dataview.min.js");
var pkg = require("../package.json");
/**
* Constructs a new Sandbox for module loaders and shim testing.
* @param {Object.<string,*>} properties Additional properties to set
* @constructor
*/
var Sandbox = function(properties) {
this.Int8Array = function() {};
this.Uint8Array = function() {};
this.Int16Array = function() {};
this.Uint16Array = function() {};
this.Int32Array = function() {};
this.Uint32Array = function() {};
this.Float32Array = function() {};
this.Float64Array = function() {};
this.DataView = function() {};
for (var i in properties) {
this[i] = properties[i];
}
this.console = {
log: function(s) {
console.log(s);
}
};
};
function makeSuite(ByteBuffer) {
var type = ByteBuffer.type(), // Buffer or ArrayBuffer
accessor = ByteBuffer.accessor(),
Long = ByteBuffer.Long;
var suite = {};
suite.init = function(test) {
test.ok(require("../index.js"));
if (ByteBuffer == ByteBufferNode)
test.log("\n\n --- ByteBufferNB ---\n".bold.white),
test.log("[optional] node-memcpy is "+(ByteBuffer.memcpy ? "present" : "not present"));
else if (ByteBuffer == ByteBufferBrowser)
test.log("\n\n --- ByteBufferAB ---\n".bold.white);
else if (ByteBuffer == ByteBufferBrowser_DataView)
test.log("\n\n --- ByteBufferAB_DataView ---\n".bold.white);
test.ok(type === Buffer || type === ArrayBuffer);
test.ok(typeof ByteBuffer == "function");
test.strictEqual(pkg.version, ByteBuffer.VERSION);
test.done();
};
suite.base = {};
suite.base.allocate = function(test) {
var bb = new ByteBuffer();
test.ok(bb.buffer instanceof type);
test.equal(bb.offset, 0);
test.equal(bb.limit, ByteBuffer.DEFAULT_CAPACITY);
test.equal(bb.littleEndian, ByteBuffer.DEFAULT_ENDIAN);
test.equal(bb.noAssert, ByteBuffer.DEFAULT_NOASSERT);
if (type === Buffer)
test.equal(bb.buffer.length, bb.capacity());
else
test.equal(bb.buffer.byteLength, bb.capacity());
test.equal(bb.capacity(), ByteBuffer.DEFAULT_CAPACITY);
bb = ByteBuffer.allocate(undefined, !ByteBuffer.DEFAULT_ENDIAN, !ByteBuffer.DEFAULT_NOASSERT);
test.equal(bb.capacity(), ByteBuffer.DEFAULT_CAPACITY);
test.equal(bb.littleEndian, !ByteBuffer.DEFAULT_ENDIAN);
test.equal(bb.noAssert, !ByteBuffer.DEFAULT_NOASSERT);
// __isByteBuffer__
test.strictEqual(bb.__isByteBuffer__, true);
bb.__isByteBuffer__ = false;
test.strictEqual(bb.__isByteBuffer__, true);
test.equal(ByteBuffer.isByteBuffer(bb), true);
// Fixed set of properties
for (var i in bb)
if (bb.hasOwnProperty(i) && ["offset", "markedOffset", "limit", "littleEndian", "noAssert", "buffer", "view"].indexOf(i) < 0)
test.fail("Illegal enumerable property: "+i);
test.done();
};
suite.base.clone = function(test) {
var bb = new ByteBuffer(1, true, false);
var bb2 = bb.clone();
test.strictEqual(bb.buffer, bb2.buffer);
test.equal(bb.offset, bb2.offset);
test.equal(bb.limit, bb2.limit);
test.equal(bb.markedOffset, bb2.markedOffset);
test.equal(bb.littleEndian, bb2.littleEndian);
test.equal(bb.noAssert, bb2.noAssert);
test.notStrictEqual(bb, bb2);
test.done();
};
suite.base.assert = function(test) {
var bb = new ByteBuffer();
test.strictEqual(bb.noAssert, false);
test.strictEqual(bb.assert(false), bb);
test.strictEqual(bb.noAssert, true);
test.strictEqual(bb.assert(true), bb);
test.strictEqual(bb.noAssert, false);
test.done();
};
suite.wrap = {};
if (type === Buffer) {
suite.wrap.Buffer = function(test) {
var buf = Buffer.alloc(1);
buf[0] = 0x01;
var bb = ByteBuffer.wrap(buf);
test.strictEqual(bb.capacity(), 1);
test.deepStrictEqual(bb.buffer, buf);
test.strictEqual(bb.toDebug(), "<01>");
test.done();
};
}
suite.wrap.ArrayBuffer = function(test) {
var buf = new ArrayBuffer(1);
var bb = ByteBuffer.wrap(buf);
test.strictEqual(bb.capacity(), 1);
if (type === ArrayBuffer)
test.strictEqual(bb.buffer, buf);
else
test.ok(bb.buffer instanceof Buffer);
test.equal(bb.offset, 0);
test.equal(bb.limit, 1);
test.done();
};
suite.wrap.Uint8Array = function(test) {
// Full view
var buf = new Uint8Array(1);
buf[0] = 0x01;
var bb = ByteBuffer.wrap(buf);
test.strictEqual(bb.capacity(), 1);
if (type === ArrayBuffer)
test.strictEqual(bb.buffer, buf.buffer);
else
test.ok(bb.buffer instanceof Buffer);
test.strictEqual(bb.toDebug(), "<01>");
// Partial view (not on node, node copies)
if (type === ArrayBuffer) {
buf = new Uint8Array(3);
buf[0] = 0x01; buf[1] = 0x02; buf[2] = 0x03;
buf = new Uint8Array(buf.buffer, 1, 1);
bb = ByteBuffer.wrap(buf);
test.strictEqual(bb.capacity(), 3);
test.strictEqual(bb.toDebug(), "01<02>03");
}
test.done();
};
suite.wrap.Array = function(test) {
var arr = [1,255,-1];
var bb = ByteBuffer.wrap(arr);
test.strictEqual(bb.capacity(), 3);
test.strictEqual(bb.toDebug(), "<01 FF FF>");
test.done();
};
suite.wrap.ByteBuffer = function(test) {
var bb2 = ByteBuffer.wrap("\x12\x34\x56\x78", "binary");
bb2.offset = 1;
var bb = ByteBuffer.wrap(bb2);
test.strictEqual(bb2.offset, bb.offset);
test.strictEqual(bb2.limit, bb.limit);
test.strictEqual(bb2.capacity(), bb.capacity());
test.strictEqual(bb2.toString("debug"), bb.toString("debug"));
test.done();
};
suite.wrap.string = function(test) {
var bb = ByteBuffer.wrap("\u0061\u0062");
test.equal(bb.toDebug(), "<61 62>");
test.done();
};
suite.encodings = {};
suite.encodings.UTF8 = function(test) {
["aäöü߀b", ""].forEach(function(str) {
var bb = ByteBuffer.wrap(str, "utf8"); // Calls ByteBuffer#fromUTF8
test.strictEqual(bb.toUTF8(), str);
if (str.length > 2) {
bb.offset = 1;
bb.limit = bb.capacity()-1;
test.strictEqual(bb.toUTF8(), str.substring(1, str.length-1));
}
});
test.done();
};
suite.encodings.debug = function(test) {
["60<61 62]63", "<60 61 62 63]", "|", "|61", "<61>", "!12"].forEach(function(str) {
var bb = ByteBuffer.wrap(str, "debug"); // Calls ByteBuffer#fromDebug
test.equal(bb.toDebug(), str);
});
test.done();
};
suite.encodings.binary = function(test) {
["\x61\x62\x63\x64", "", " "].forEach(function(str) {
var bb = ByteBuffer.wrap(str, "binary"); // Calls ByteBuffer#fromBinary
test.strictEqual(bb.toBinary(), str);
if (str.length > 2) {
bb.offset = 1;
bb.limit = bb.capacity()-1;
test.strictEqual(bb.toBinary(), str.substring(1, str.length-1));
}
});
test.done();
};
suite.encodings.hex = function(test) {
["61626364", "61", ""].forEach(function(str) {
var bb = ByteBuffer.wrap(str, "hex"); // Calls ByteBuffer#fromHex
test.strictEqual(bb.toHex(), str);
if (str.length > 2) {
bb.offset = 1;
bb.limit = bb.capacity()-1;
test.strictEqual(bb.toHex(), str.substring(2, str.length-2));
}
});
test.done();
};
suite.encodings.base64 = function(test) {
["", "YWI=", "YWJjZGVmZw==", "YWJjZGVmZ2g=", "YWJjZGVmZ2hp"].forEach(function(str) {
var bb = ByteBuffer.wrap(str, "base64"); // Calls ByteBuffer#fromBase64
test.strictEqual(bb.toBase64(), str);
if (str.length > 8) {
bb.offset = 3;
bb.limit = bb.offset + 3;
test.strictEqual(bb.toBase64(), str.substr(4, 4));
}
});
test.done();
};
suite.methods = {};
suite.methods.concat = function(test) {
var bbs = [
new ArrayBuffer(1),
ByteBuffer.fromDebug('00<01 02>'),
ByteBuffer.fromDebug('00 01 02<03>00'),
ByteBuffer.fromDebug('00|'),
ByteBuffer.fromDebug('<04>'),
type === Buffer ? Buffer.alloc(0) : new ArrayBuffer(0),
new Uint8Array(0),
'05'
];
var bb = ByteBuffer.concat(bbs, 'hex', !ByteBuffer.DEFAULT_ENDIAN, !ByteBuffer.DEFAULT_NOASSERT);
test.strictEqual(bb.littleEndian, !ByteBuffer.DEFAULT_ENDIAN);
test.strictEqual(bb.noAssert, !ByteBuffer.DEFAULT_NOASSERT);
test.equal(bb.toDebug(), '<00 01 02 03 04 05>');
bb = ByteBuffer.concat([]);
test.strictEqual(bb.buffer, new ByteBuffer(0).buffer); // EMPTY_BUFFER
test.done();
};
suite.methods.resize = function(test) {
var bb = new ByteBuffer(1);
bb.offset = 1;
bb.resize(2);
bb.fill(0, 0, 2);
test.equal(bb.capacity(), 2);
test.equal(bb.toDebug(), "00|00");
test.done();
};
suite.methods.ensureCapacity = function(test) {
var bb = new ByteBuffer(5);
test.equal(bb.capacity(), 5);
bb.ensureCapacity(6); // Doubles
test.equal(bb.capacity(), 10);
bb.ensureCapacity(21); // Uses 21
test.equal(bb.capacity(), 21);
test.done();
};
suite.methods.slice = function(test) {
var bb = new ByteBuffer.wrap("\x12\x34\x56"),
bb2 = bb.slice(1,2);
test.strictEqual(bb.buffer, bb2.buffer);
test.equal(bb.offset, 0);
test.equal(bb.limit, 3);
test.equal(bb2.offset, 1);
test.equal(bb2.limit, 2);
test.done();
};
suite.methods.flip = function(test) {
var bb = ByteBuffer.wrap('\x12\x34\x56\x78');
bb.offset = 4;
test.equal(bb.offset, 4);
test.equal(bb.limit, 4);
bb.flip();
test.equal(bb.offset, 0);
test.equal(bb.limit, 4);
test.done();
};
suite.methods.mark = function(test) {
var bb = ByteBuffer.wrap('\x12\x34\x56\x78');
test.equal(bb.offset, 0);
test.equal(bb.limit, 4);
test.equal(bb.markedOffset, -1);
bb.mark();
test.equal(bb.markedOffset, 0);
test.done();
};
suite.methods.reset = function(test) {
var bb = ByteBuffer.wrap('\x12\x34\x56\x78');
bb.reset();
test.equal(bb.offset, 0);
test.equal(bb.limit, 4);
bb.offset = 1;
bb.mark();
test.equal(bb.markedOffset, 1);
bb.reset();
test.equal(bb.offset, 1);
test.equal(bb.markedOffset, -1);
test.done();
};
suite.methods.copy = function(test) {
var bb = ByteBuffer.wrap("\x01", !ByteBuffer.DEFAULT_ENDIAN),
bb2 = bb.copy();
test.equal(bb.offset, 0);
test.notStrictEqual(bb, bb2);
test.notStrictEqual(bb.buffer, bb2.buffer);
test.equal(bb2.offset, bb.offset);
test.equal(bb2.limit, bb.limit);
test.equal(bb2.markedOffset, bb.markedOffset);
test.equal(bb2.littleEndian, bb.littleEndian);
test.equal(bb2.noAssert, bb.noAssert);
test.done();
};
suite.methods.copyTo = function(test) {
var bb = ByteBuffer.wrap("\x01"),
bb2 = new ByteBuffer(2).fill(0).flip();
test.equal(bb.toDebug(), "<01>");
// Modifies source and target offsets
bb.copyTo(bb2 /* all offsets omitted */);
test.equal(bb.toDebug(), "01|"); // Read 1 byte
test.equal(bb2.toDebug(), "01<00>"); // Written 1 byte
bb.reset();
test.equal(bb.toDebug(), "<01>");
// Again, but with bb2.offset=1
bb.copyTo(bb2 /* all offsets omitted */);
test.equal(bb.toDebug(), "01|"); // Read 1 byte
test.equal(bb2.toDebug(), "01 01|"); // Written 1 byte at 2
bb.reset();
bb2.clear().fill(0).flip();
// Modifies source offsets only
bb.copyTo(bb2, 0 /* source offsets omitted */);
test.equal(bb.toDebug(), "01|"); // Read 1 byte
test.equal(bb2.toDebug(), "<01 00>"); // Written 1 byte (no change)
// Modifies no offsets at all
bb.reset();
bb2.fill(0).flip();
bb.copyTo(bb2, 1, 0, bb.capacity() /* no offsets omitted */);
test.equal(bb.toDebug(), "<01>"); // Read 1 byte (no change)
test.equal(bb2.toDebug(), "<00 01>"); // Written 1 byte (no change)
test.done();
};
suite.methods.compact = function(test) {
var bb = ByteBuffer.wrap("\x01\x02");
bb.limit = 1;
bb.markedOffset = 2;
var prevBuffer = bb.buffer,
prevView = bb.view;
bb.compact();
test.notStrictEqual(bb.buffer, prevBuffer);
if (type === ArrayBuffer) {
test.notStrictEqual(bb.buffer, prevView);
}
test.equal(bb.capacity(), 1);
test.equal(bb.offset, 0);
test.equal(bb.limit, 1);
test.equal(bb.markedOffset, 2); // Actually out of bounds
// Empty region
bb.offset = 1;
prevBuffer = bb.buffer;
bb.compact();
test.notStrictEqual(bb.buffer, prevBuffer);
test.strictEqual(bb.buffer, new ByteBuffer(0).buffer); // EMPTY_BUFFER
if (type === ArrayBuffer) {
test.strictEqual(bb.view, null);
}
test.equal(bb.capacity(), 0);
test.equal(bb.offset, 0);
test.equal(bb.limit, 0);
test.done();
};
suite.methods.reverse = function(test) {
var bb = ByteBuffer.wrap("\x12\x34\x56\x78");
bb.reverse(1, 3);
test.equal(bb.toString("debug"), "<12 56 34 78>");
bb.reverse();
test.equal(bb.toString("debug"), "<78 34 56 12>");
bb.offset = 1;
bb.limit = 3;
bb.reverse();
test.equal(bb.toString("debug"), "78<56 34>12");
bb.reverse(0, 4).clear();
test.equal(bb.toString("debug"), "<12 34 56 78>");
test.done();
};
suite.methods.append = function(test) {
var bb = ByteBuffer.wrap("\x12\x34");
var bb2 = ByteBuffer.wrap("\x56\x78");
bb.offset = 2;
bb.append(bb2); // Modifies offsets of both
test.equal(bb.toString("debug"), "12 34>56 78<");
test.equal(bb2.toString("debug"), "56 78|");
bb2.reset();
bb.append(bb2, 1); // Modifies offsets of bb2 only
test.equal(bb.toString("debug"), "12 56>78 78<");
test.equal(bb2.toString("debug"), "56 78|");
test.done();
};
suite.methods.writeBytes = function(test) {
var bb = ByteBuffer.wrap("\x12\x34");
var bb2 = ByteBuffer.wrap("\x56\x78");
bb.offset = 2;
bb.writeBytes(bb2); // Modifies offsets of both
test.equal(bb.toString("debug"), "12 34>56 78<");
test.equal(bb2.toString("debug"), "56 78|");
bb2.reset();
bb.writeBytes(bb2, 1); // Modifies offsets of bb2 only
test.equal(bb.toString("debug"), "12 56>78 78<");
test.equal(bb2.toString("debug"), "56 78|");
test.done();
};
suite.methods.prepend = function(test) {
var bb = ByteBuffer.wrap("\x12\x34"),
bb2 = ByteBuffer.wrap("\x56\x78");
test.strictEqual(bb.prepend(bb2), bb); // Relative prepend at 0, 2 bytes (2 overflow)
test.equal(bb.toDebug(), "<56 78 12 34>");
test.equal(bb2.toDebug(), "56 78|");
bb.offset = 4;
bb2.offset = 1;
bb.prepend(bb2, 3); // Absolute prepend at 3, 1 byte
test.equal(bb.toDebug(), "56 78 78 34|");
test.equal(bb2.toDebug(), "56 78|");
bb2.offset = 0;
bb.prepend(bb2); // Relative prepend at 4, 2 bytes
test.equal(bb.toDebug(), "56 78<56 78>");
test.equal(bb2.toDebug(), "56 78|");
bb.offset = 3;
bb2.offset = 0;
test.throws(function() {
bb.prepend(bb2, 6); // Absolute out of bounds
}, RangeError);
bb.prepend("abcde", "utf8"); // Relative prepend at 3, 5 bytes (1 overflow)
test.equal(bb.toDebug(), "<61 62 63 64 65 78>");
test.done();
};
suite.methods.prependTo = function(test) {
var bb = ByteBuffer.wrap("\x12\x34"),
bb2 = ByteBuffer.wrap("\x56\x78");
test.strictEqual(bb2.prependTo(bb), bb2);
test.equal(bb.toDebug(), "<56 78 12 34>");
test.equal(bb2.toDebug(), "56 78|");
test.done();
};
suite.methods.remaining = function(test) {
var bb = ByteBuffer.wrap("\x12\x34");
test.strictEqual(bb.remaining(), 2);
bb.offset = 2;
test.strictEqual(bb.remaining(), 0);
bb.offset = 3;
test.strictEqual(bb.remaining(), -1);
test.done();
};
suite.methods.skip = function(test) {
var bb = ByteBuffer.wrap("\x12\x34\x56");
test.strictEqual(bb.offset, 0);
bb.skip(3);
test.strictEqual(bb.offset, 3);
test.strictEqual(bb.noAssert, false);
test.throws(function() {
bb.skip(1);
});
test.strictEqual(bb.offset, 3);
bb.noAssert = true;
test.doesNotThrow(function() {
bb.skip(1);
});
test.strictEqual(bb.offset, 4);
test.done();
};
suite.methods.order = function(test) {
test.strictEqual(ByteBuffer.LITTLE_ENDIAN, true);
test.strictEqual(ByteBuffer.BIG_ENDIAN, false);
var bb = new ByteBuffer(2);
test.strictEqual(bb.littleEndian, false);
bb.writeInt32(0x12345678);
bb.flip();
test.strictEqual(bb.toHex(), "12345678");
bb.clear();
test.strictEqual(bb.LE(), bb);
test.strictEqual(bb.littleEndian, true);
bb.writeInt32(0x12345678);
bb.flip();
test.strictEqual(bb.toHex(), "78563412");
test.strictEqual(bb.BE(), bb);
test.strictEqual(bb.littleEndian, false);
test.strictEqual(bb.order(ByteBuffer.LITTLE_ENDIAN), bb);
test.strictEqual(bb.littleEndian, true);
test.strictEqual(bb.order(ByteBuffer.BIG_ENDIAN), bb);
test.strictEqual(bb.littleEndian, false);
test.done();
};
var types = [
// name | alias | size | input | output | BE representation
["Int8" , "Byte" , 1 , 0xFE , -2 , "fe" ],
["Uint8" , null , 1 , -2 , 0xFE , "fe" ],
["Int16" , "Short" , 2 , 0xFFFE , -2 , "fffe" ],
["Uint16" , null , 2 , -2 , 0xFFFE , "fffe" ],
["Int32" , "Int" , 4 , 0xFFFFFFFE , -2 , "fffffffe" ],
["Uint32" , null , 4 , -2 , 0xFFFFFFFE , "fffffffe" ],
["Float32" , "Float" , 4 , 0.5 , 0.5 , "3f000000" ],
["Float64" , "Double", 8 , 0.1 , 0.1 , "3fb999999999999a" ],
["Int64" , "Long" , 8 , new Long(0xFFFFFFFE, 0xFFFFFFFF, true) , new Long(0xFFFFFFFE, 0xFFFFFFFF, false) , "fffffffffffffffe" ],
["Uint64" , null , 8 , new Long(0xFFFFFFFE, 0xFFFFFFFF, false) , new Long(0xFFFFFFFE, 0xFFFFFFFF, true) , "fffffffffffffffe" ],
// name | alias | size | input | output | representation
["Varint32" , null , 5 , 0xFFFFFFFE , -2 , "feffffff0f" ],
["Varint32ZigZag", null , 1 , -1 , -1 , "01" ],
["Varint64" , null , 10 , new Long(0xFFFFFFFE, 0xFFFFFFFF, true) , new Long(0xFFFFFFFE, 0xFFFFFFFF, false) , "feffffffffffffffff01"],
["Varint64ZigZag", null , 1 , Long.fromNumber(-1) , Long.fromNumber(-1) , "01" ]
];
suite.types = {};
types.forEach(function(type) {
var name = type[0],
varint = name.indexOf("Varint") >= 0,
alias = type[1],
size = type[2],
input = type[3],
output = type[4],
be = type[5],
le = "";
for (var i=be.length; i>0; i-=2) {
le += be.substr(i-2, 2);
}
suite.types[name.toLowerCase()] = function(test) {
var bb = new ByteBuffer(size);
// Relative BE (always LE for varints)
test.strictEqual(bb["write"+name](input), bb);
bb.flip();
var val = bb["read"+name]();
if (output instanceof Long) {
test.deepEqual(val, output);
} else {
test.strictEqual(val, output);
}
bb.flip();
test.strictEqual(bb.toHex(), be);
if (!varint) {
// Relative LE
bb.LE();
bb["write"+name](input);
bb.flip();
val = bb["read"+name]();
if (output instanceof Long) {
test.deepEqual(val, output);
} else {
test.strictEqual(val, output);
}
bb.flip();
test.strictEqual(bb.toHex(), le);
}
test.throws(function() { // OOB
bb.offset = bb.capacity() - size + 1;
bb["read"+name](input);
});
test.doesNotThrow(function() { // OOB, automatic resizing * 2
bb["write"+name](input);
});
test.strictEqual(bb.capacity(), size * 2);
// Absolute
bb.clear();
if (!varint)
test.strictEqual(bb["write"+name](input, 1), bb);
else
test.strictEqual(bb["write"+name](input, 1), size);
val = bb["read"+name](1);
if (output instanceof Long) {
if (!varint)
test.deepEqual(val, output);
else
test.deepEqual(val, {value: output, length: size});
} else {
if (!varint)
test.strictEqual(val, output);
else
test.deepEqual(val, {value: output, length: size});
}
// Alias
if (alias) {
test.strictEqual(bb["write"+name], bb["write"+alias]);
test.strictEqual(bb["read"+name], bb["read"+alias]);
}
test.done();
};
});
suite.types.bitset = function(test) {
var bb = new ByteBuffer(2),
arr;
function run(data) {
bb.reset();
bb.writeBitSet(data);
bb.reset();
test.deepEqual(bb.readBitSet(),data);
};
run([]);
run([true]);
run([false]);
run([false,true]);
run([false,false,false,false,false,false,false,false]);
run([true,false,true,false,true,false,true,false]);
run([true,true,true,true,true,true,true,true]);
run([true,false,true,false,true,false,true,false]);
run([true,false,true,false,true,false,true,false,true]);
bb.reset();
bb.writeBitSet([,null,"",0,42,"hello world",new Date(0),{},[]]);
bb.reset();
test.deepEqual(bb.readBitSet(),[false,false,false,false,true,true,true,true,true]);
test.done();
};
suite.types.calculateVarint = function(test) {
test.equal(ByteBuffer.MAX_VARINT32_BYTES, 5);
test.equal(ByteBuffer.MAX_VARINT64_BYTES, 10);
var values = [
[0, 1],
[-1, 5, 10],
[1<<7, 2],
[1<<14, 3],
[1<<21, 4],
[1<<28, 5],
[0x7FFFFFFF | 0, 5],
[0xFFFFFFFF, 5],
[0xFFFFFFFF | 0, 5, 10]
];
for (var i=0; i<values.length; i++) {
test.equal(ByteBuffer.calculateVarint32(values[i][0]), values[i][1]);
test.equal(ByteBuffer.calculateVarint64(values[i][0]), values[i].length > 2 ? values[i][2] : values[i][1]);
}
var Long = ByteBuffer.Long;
values = [
[Long.fromNumber(1).shiftLeft(35), 6],
[Long.fromNumber(1).shiftLeft(42), 7],
[Long.fromNumber(1).shiftLeft(49), 8],
[Long.fromNumber(1).shiftLeft(56), 9],
[Long.fromNumber(1).shiftLeft(63), 10],
[Long.fromNumber(1, true).shiftLeft(63), 10]
];
for (i=0; i<values.length; i++) {
test.equal(ByteBuffer.calculateVarint64(values[i][0]), values[i][1]);
}
test.done();
};
suite.types.zigZagVarint = function(test) {
var Long = ByteBuffer.Long;
var values = [
[ 0, 0],
[-1, 1],
[ 1, 2],
[-2, 3],
[ 2, 4],
[-3, 5],
[ 3, 6],
[ 2147483647, 4294967294],
[-2147483648, 4294967295]
];
for (var i=0; i<values.length; i++) {
test.equal(ByteBuffer.zigZagEncode32(values[i][0]), values[i][1]);
test.equal(ByteBuffer.zigZagDecode32(values[i][1]), values[i][0]);
test.equal(ByteBuffer.zigZagEncode64(values[i][0]).toNumber(), values[i][1]);
test.equal(ByteBuffer.zigZagDecode64(values[i][1]).toNumber(), values[i][0]);
}
values = [
[Long.MAX_VALUE, Long.MAX_UNSIGNED_VALUE.subtract(Long.ONE)],
[Long.MIN_VALUE, Long.MAX_UNSIGNED_VALUE]
];
// NOTE: Even 64bit doubles from toNumber() fail for these values so we are using toString() here
for (i=0; i<values.length; i++) {
test.equal(ByteBuffer.zigZagEncode64(values[i][0]).toString(), values[i][1].toString());
test.equal(ByteBuffer.zigZagDecode64(values[i][1]).toString(), values[i][0].toString());
}
// 32 bit ZZ
values = [
0,
1,
300,
-300,
2147483647,
-2147483648
];
bb = new ByteBuffer(10);
for (i=0; i<values.length; i++) {
var encLen = bb.writeVarint32ZigZag(values[i], 0);
bb.limit = encLen;
var dec = bb.readVarint32ZigZag(0);
test.equal(dec['value'], values[i]);
test.equal(encLen, dec['length']);
bb.clear();
}
// 64 bit ZZ
values = [
Long.ONE, 1,
Long.fromNumber(-3),
Long.fromNumber(300),
Long.fromNumber(-300),
Long.fromNumber(0x7FFFFFFF),
Long.fromNumber(0x8FFFFFFF),
Long.fromNumber(0xFFFFFFFF),
Long.fromBits(0xFFFFFFFF, 0x7FFFFFFF),
Long.fromBits(0xFFFFFFFF, 0xFFFFFFFF)
];
var bb = new ByteBuffer(10);
for (i=0; i<values.length; i++) {
encLen = bb.writeVarint64ZigZag(values[i], 0);
dec = bb.readVarint64ZigZag(0);
test.equal(values[i].toString(), dec['value'].toString());
test.equal(encLen, dec['length']);
}
test.done();
};
suite.types.utf8string = function(test) {
var bb = new ByteBuffer(2);
// Aliases
test.strictEqual(bb.writeUTF8String, bb.writeString);
test.strictEqual(bb.readUTF8String, bb.readString);
var str = "ä☺𠜎️☁️", str2;
// Writing
test.strictEqual(bb.writeUTF8String(str), bb);
bb.flip();
// bb.printDebug();
// Reading
str2 = bb.readUTF8String(ByteBuffer.calculateUTF8Chars(str), ByteBuffer.METRICS_CHARS);
// bb.printDebug();
test.strictEqual(str2.length, str.length);
test.strictEqual(str2, str);
bb.reset();
str2 = bb.readUTF8String(bb.limit, ByteBuffer.METRICS_BYTES);
test.strictEqual(str2, str);
test.done();
};
suite.types.istring = function(test) {
var bb = new ByteBuffer(2);
test.strictEqual(bb.writeIString("ab"), bb); // resizes to 4+2=6
test.strictEqual(bb.capacity(), 6);
test.strictEqual(bb.offset, 6);
test.strictEqual(bb.limit, 2);
bb.flip();
test.equal(bb.toString("debug"), "<00 00 00 02 61 62>");
test.deepEqual(bb.readIString(0), {"string": "ab", "length": 6});
test.strictEqual(bb.readIString(), "ab");
bb.reset();
test.equal(bb.toString("debug"), "<00 00 00 02 61 62>");
test.strictEqual(bb.readIString(), "ab");
test.equal(bb.toString("debug"), "00 00 00 02 61 62|");
test.done();
};
suite.types.vstring = function(test) {
var bb = new ByteBuffer(2);
bb.writeVString("ab"); // resizes to 2*2=4
test.strictEqual(bb.capacity(), 4);
test.strictEqual(bb.offset, 3);
test.strictEqual(bb.limit, 2);
bb.flip();
test.equal(bb.toString("debug").substr(0, 10), "<02 61 62>");
test.deepEqual(bb.readVString(0), {"string": "ab", "length": 3});
test.equal(bb.toString("debug").substr(0, 10), "<02 61 62>");
test.equal(bb.readVString(), "ab");
test.equal(bb.toString("debug").substr(0, 9), "02 61 62|");
test.done();
};
suite.types.cstring = function(test) {
var bb = new ByteBuffer(2);
bb.writeCString("a");
test.equal(bb.capacity(), 2);
test.equal(bb.offset, 2);
test.equal(bb.limit, 2);
bb.offset = 1;
bb.writeCString("b"); // resizes to 4
test.equal(bb.capacity(), 4);
test.equal(bb.offset, 3);
test.equal(bb.limit, 2);
bb.flip();
test.equal(bb.toString("debug").substr(0, 10), "<61 62 00>");
test.deepEqual(bb.readCString(0), {"string": "ab", "length": 3});
test.equal(bb.toString("debug").substr(0, 10), "<61 62 00>");
test.equal(bb.readCString(), "ab");
test.equal(bb.toString("debug").substr(0, 9), "61 62 00|");
test.done();
};
suite.convert = {};
suite.convert.toHex = function(test) {
var bb = new ByteBuffer(4);
bb.writeUint16(0x1234);
bb.writeUint8(0x56);
bb.flip();
test.equal(bb.toHex(), "123456");
test.strictEqual(bb.offset, 0);
test.equal(bb.toHex(1), "3456");
test.equal(bb.toHex(1,2), "34");
test.equal(bb.toHex(1,1), "");
test.throws(function() {
bb.toHex(1,0);
});
test.done();
};
suite.convert.toBase64 = function(test) {
var bb = new ByteBuffer(8);
bb.writeUTF8String("abcdefg"); // 7 chars
bb.flip();
test.equal(bb.toBase64(), "YWJjZGVmZw==");
test.strictEqual(bb.offset, 0);
test.equal(bb.toBase64(3), "ZGVmZw==");
test.equal(bb.toBase64(3,6), "ZGVm");
test.equal(bb.toBase64(3,3), "");
test.throws(function() {
bb.toBase64(1,0);
});
test.done();
};
suite.convert.toBinary = function(test) {
var bb = new ByteBuffer(5);
bb.writeUint32(0x001234FF);
bb.flip();
test.strictEqual(bb.toBinary(), "\x00\x12\x34\xFF");
test.strictEqual(bb.offset, 0);
test.done();
};
suite.convert.toString = function(test) {
var bb = new ByteBuffer(3);
bb.writeUint16(0x6162).flip();
test.equal(bb.toString("hex"), "6162");
test.equal(bb.toString("base64"), "YWI=");
test.equal(bb.toString("utf8"), "ab");
test.equal(bb.toString("debug").substr(0,7), "<61 62>");
test.equal(bb.toString(), (type === ArrayBuffer ? (accessor === DataView ? "ByteBufferAB_DataView" : "ByteBufferAB") : "ByteBufferNB")+"(offset=0,markedOffset=-1,limit=2,capacity=3)");
test.strictEqual(bb.offset, 0);
test.done();
};
suite.convert.toBuffer = function(test) {
var bb = new ByteBuffer(2);
bb.writeUint16(0x1234).flip();
var buf = bb.toBuffer();
test.strictEqual(buf, bb.buffer);
if (type === ArrayBuffer) {
test.ok(buf instanceof ArrayBuffer);
test.strictEqual(buf.byteLength, 2);
} else {
test.ok(buf instanceof Buffer);
test.strictEqual(buf.length, 2);
}
bb.limit = 1;
buf = bb.toBuffer();
test.notStrictEqual(buf, bb.buffer);
if (type === ArrayBuffer) {
test.ok(buf instanceof ArrayBuffer);
test.strictEqual(buf.byteLength, 1);
} else {
test.ok(buf instanceof Buffer);
test.strictEqual(buf.length, 1);
}
test.done();
};
suite.convert.toArrayBuffer = function(test) {
var bb = new ByteBuffer(3);
if (type === ArrayBuffer) {
test.strictEqual(bb.toArrayBuffer, bb.toBuffer);
} else {
test.ok(bb.buffer instanceof Buffer);
bb.writeUint16(0x1234);
bb.flip();
bb.offset = 1;
var ab = bb.toArrayBuffer();
test.ok(ab instanceof ArrayBuffer);
test.strictEqual(ab.byteLength, 1);
}
test.done();
};
suite.misc = {};
suite.misc.pbjsi19 = function(test) {
// test that this issue is fixed: https://github.com/dcodeIO/ProtoBuf.js/issues/19
var bb = new ByteBuffer(9); // Trigger resize to 18 in writeVarint64
bb.writeVarint32(16);
bb.writeVarint32(2);
bb.writeVarint32(24);
bb.writeVarint32(0);
bb.writeVarint32(32);
bb.writeVarint64(ByteBuffer.Long.fromString("1368057600000"));
bb.writeVarint32(40);
bb.writeVarint64(ByteBuffer.Long.fromString("1235455123"));
bb.flip();
test.equal(bb.toString("debug").substr(0,52), "<10 02 18 00 20 80 B0 D9 B4 E8 27 28 93 99 8E CD 04>");
test.done();
};
suite.misc.NaN = function(test) {
var bb = new ByteBuffer(4);
test.ok(isNaN(bb.writeFloat(NaN).flip().readFloat(0)));
test.strictEqual(bb.writeFloat(+Infinity).flip().readFloat(0), +Infinity);
test.strictEqual(bb.writeFloat(-Infinity).flip().readFloat(0), -Infinity);
bb.resize(8);
test.ok(isNaN(bb.writeDouble(NaN).flip().readDouble(0)));
test.strictEqual(bb.writeDouble(+Infinity).flip().readDouble(0), +Infinity);
test.strictEqual(bb.writeDouble(-Infinity).flip().readDouble(0), -Infinity);
// Varints, however, always need a cast, which results in the following:
test.strictEqual(NaN >>> 0, 0);
test.strictEqual(NaN | 0, 0);
test.strictEqual(Infinity >>> 0, 0);
test.strictEqual(Infinity | 0, 0);
test.strictEqual(-Infinity >>> 0, 0);
test.strictEqual(-Infinity | 0, 0);
test.done();
};
suite.debug = {};
suite.debug.printDebug = function(test) {
var bb = new ByteBuffer(3);
function callMe() { callMe.called = true; }
bb.printDebug(callMe);
test.ok(callMe.called);
test.done();
};
if (type === ArrayBuffer) {
suite.debug.printDebugVisual = function(test) {