import assert from 'assert'
import fs from 'fs'
import * as flexbuffers from 'flatbuffers/js/flexbuffers.js'
function main() {
testSingleValueBuffers();
testGoldBuffer();
testEncode();
testIndirectAdd();
testIndirectWithCache();
testMapBuilder();
testRoundTrip();
testRoundTripWithBuilder();
testDeduplicationOff();
testBugWhereOffestWereStoredAsIntInsteadOfUInt();
console.log('FlexBuffers test: completed successfully');
}
function testSingleValueBuffers() {
{
const ref = flexbuffers.toReference(new Uint8Array([0, 0, 1]).buffer);
assert.strictEqual(true, ref.isNull());
}
function _assert(object, buffer) {
assert.deepStrictEqual(flexbuffers.toObject(new Uint8Array(buffer).buffer), object);
}
_assert(true, [1, 104, 1]);
_assert(false, [0, 104, 1]);
_assert(25, [25, 4, 1]);
_assert(-25, [231, 4, 1]);
_assert(230, [230, 8, 1]);
_assert(230, [230, 0, 5, 2]);
_assert(-1025, [255, 251, 5, 2]);
_assert(1025, [1, 4, 9, 2]);
_assert(2147483647, [255, 255, 255, 127, 6, 4]);
_assert(-2147483648, [0, 0, 0, 128, 6, 4]);
_assert(4294967295n, [255, 255, 255, 255, 0, 0, 0, 0, 7, 8]);
_assert(9223372036854775807n, [255, 255, 255, 255, 255, 255, 255, 127, 7, 8]);
_assert(-9223372036854775808n, [0, 0, 0, 0, 0, 0, 0, 128, 7, 8]);
_assert(18446744073709551615n, [255, 255, 255, 255, 255, 255, 255, 255, 11, 8]);
_assert(4.5, [0, 0, 144, 64, 14, 4]);
_assert(0.10000000149011612, [205, 204, 204, 61, 14, 4]);
_assert(0.1, [154, 153, 153, 153, 153, 153, 185, 63, 15, 8]);
_assert(-1025, [255, 251, 5, 2]);
_assert("Maxim", [5, 77, 97, 120, 105, 109, 0, 6, 20, 1]);
_assert("hello 😱", [10, 104, 101, 108, 108, 111, 32, 240, 159, 152, 177, 0, 11, 20, 1]);
_assert({a:12}, [97, 0, 1, 3, 1, 1, 1, 12, 4, 2, 36, 1]);
_assert({"":45, "a": 12}, [0, 97, 0, 2, 4, 4, 2, 1, 2, 45, 12, 4, 4, 4, 36, 1]);
}
function testEncode() {
function _assert(value, buffer) {
assert.deepStrictEqual(flexbuffers.encode(value), new Uint8Array(buffer));
}
_assert(null, [0, 0, 1]);
_assert(true, [1, 104, 1]);
_assert(false, [0, 104, 1]);
_assert(1, [1, 4, 1]);
_assert(230, [230, 0, 5, 2]);
_assert(1025, [1, 4, 5, 2]);
_assert(-1025, [255, 251, 5, 2]);
_assert(0x100000001, [1, 0, 0, 0, 1, 0, 0, 0, 7, 8]);
_assert(0.1, [154, 153, 153, 153, 153, 153, 185, 63, 15, 8]);
_assert(0.5, [0, 0, 0, 63, 14, 4]);
_assert(new Uint8Array([1, 2, 3]), [3, 1, 2, 3, 3, 100, 1]);
_assert("Maxim", [5, 77, 97, 120, 105, 109, 0, 6, 20, 1]);
_assert("hello 😱", [10, 104, 101, 108, 108, 111, 32, 240, 159, 152, 177, 0, 11, 20, 1]);
_assert([1, 2], [1, 2, 2, 64, 1]);
_assert([-1, 256], [255, 255, 0, 1, 4, 65, 1]);
_assert([-45, 256000], [211, 255, 255, 255, 0, 232, 3, 0, 8, 66, 1]);
_assert([1.1, -256.0], [2, 0, 0, 0, 0, 0, 0, 0, 154, 153, 153, 153, 153, 153, 241, 63, 0, 255, 255, 255, 255, 255, 255, 255, 15, 5, 18, 43, 1]);
_assert([1, 2, 4], [1, 2, 4, 3, 76, 1]);
_assert([-1, 256, 4], [255, 255, 0, 1, 4, 0, 6, 77, 1]);
_assert([[61], 64], [1, 61, 2, 2, 64, 44, 4, 4, 40, 1]);
_assert(["foo", "bar", "baz"], [3, 102, 111, 111, 0, 3, 98, 97, 114, 0, 3, 98, 97, 122, 0, 3, 15, 11, 7, 3, 60, 1]);
_assert(["foo", "bar", "baz", "foo", "bar", "baz"], [3, 102, 111, 111, 0, 3, 98, 97, 114, 0, 3, 98, 97, 122, 0, 6, 15, 11, 7, 18, 14, 10, 6, 60, 1]);
_assert([true, false, true], [3, 1, 0, 1, 3, 144, 1]);
_assert(['foo', 1, -5, 1.3, true], [
3, 102, 111, 111, 0, 0, 0, 0,
5, 0, 0, 0, 0, 0, 0, 0,
15, 0, 0, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0, 0, 0, 0,
251, 255, 255, 255, 255, 255, 255, 255,
205, 204, 204, 204, 204, 204, 244, 63,
1, 0, 0, 0, 0, 0, 0, 0,
20, 4, 4, 15, 104, 45, 43, 1
]);
_assert([1, 3.3, 'max', true, null, false], [
3, 109, 97, 120, 0, 0, 0, 0,
6, 0, 0, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0, 0, 0, 0,
102, 102, 102, 102, 102, 102, 10, 64,
31, 0, 0, 0, 0, 0, 0, 0,
1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
4, 15, 20, 104, 0, 104, 54, 43, 1
]);
_assert({"a": 12}, [97, 0, 1, 3, 1, 1, 1, 12, 4, 2, 36, 1]);
_assert({"a": 12, "":45}, [0, 97, 0, 2, 4, 4, 2, 1, 2, 45, 12, 4, 4, 4, 36, 1]);
_assert([{'something':12}, {'something': 45}], [
115, 111, 109, 101, 116, 104, 105, 110, 103, 0,
1, 11, 1, 1, 1, 12, 4, 6, 1, 1, 45, 4, 2, 8, 4, 36, 36, 4, 40, 1
]);
}
function testDeduplicationOff() {
let buffer = flexbuffers.encode([{'something':12}, {'something': 45}], 1, true, true, false);
assert.deepStrictEqual(buffer, new Uint8Array([
115, 111, 109, 101, 116, 104, 105, 110, 103,
0, 1, 11, 1, 1, 1, 12, 4, 1,
18, 1, 1, 1, 45, 4, 2, 10, 4,
36, 36, 4, 40, 1
]));
buffer = flexbuffers.encode([{'something':12}, {'something': 45}], 1, true, false, false);
assert.deepStrictEqual(buffer, new Uint8Array([
115, 111, 109, 101, 116, 104, 105, 110, 103, 0,
1, 11, 1, 1, 1, 12, 4, 115, 111, 109,
101, 116, 104, 105, 110, 103, 0, 1, 11, 1,
1, 1, 45, 4, 2, 20, 4, 36, 36, 4,
40, 1
]));
buffer = flexbuffers.encode(['something', 'something', 'dark'], 1, true, false, false);
assert.deepStrictEqual(buffer, new Uint8Array([
9, 115, 111, 109, 101, 116, 104,
105, 110, 103, 0, 4, 100, 97,
114, 107, 0, 3, 17, 18, 8,
3, 60, 1
]));
buffer = flexbuffers.encode(['something', 'something', 'dark'], 1, false, false, false);
assert.deepStrictEqual(buffer, new Uint8Array([
9, 115, 111, 109, 101, 116, 104, 105, 110,
103, 0, 9, 115, 111, 109, 101, 116, 104,
105, 110, 103, 0, 4, 100, 97, 114, 107,
0, 3, 28, 18, 8, 3, 60, 1
]));
}
function testIndirectAdd() {
function _assertInt(buffer, value, indirect = false, cache = false) {
const builder = flexbuffers.builder();
builder.addInt(value, indirect, cache);
const data = builder.finish();
assert.deepStrictEqual(data, new Uint8Array(buffer));
}
function _assertUInt(buffer, value, indirect = false, cache = false) {
const builder = flexbuffers.builder();
builder.addUInt(value, indirect, cache);
const data = builder.finish();
assert.deepStrictEqual(data, new Uint8Array(buffer));
}
function _assertFloat(buffer, value, indirect = false, cache = false) {
const builder = flexbuffers.builder();
builder.addFloat(value, indirect, cache);
const data = builder.finish();
assert.deepStrictEqual(data, new Uint8Array(buffer));
}
_assertInt([0, 4, 1], 0);
_assertInt([0, 1, 24, 1], 0, true);
_assertInt([255, 0, 5, 2], 255);
_assertUInt([0, 8, 1], 0);
_assertUInt([0, 1, 28, 1], 0, true);
_assertUInt([255, 8, 1], 255);
_assertUInt([185, 115, 175, 118, 250, 84, 8, 0, 11, 8], 2345234523452345);
_assertUInt([185, 115, 175, 118, 250, 84, 8, 0, 8, 31, 1], 2345234523452345, true);
_assertInt([185, 115, 175, 118, 250, 84, 8, 0, 7, 8], 2345234523452345);
_assertInt([185, 115, 175, 118, 250, 84, 8, 0, 8, 27, 1], 2345234523452345, true);
_assertFloat([154, 153, 153, 153, 153, 153, 185, 63, 15, 8], 0.1);
_assertFloat([154, 153, 153, 153, 153, 153, 185, 63, 8, 35, 1], 0.1, true);
_assertFloat([0, 0, 0, 0, 14, 4], 0);
_assertFloat([0, 0, 0, 0, 4, 34, 1], 0, true);
}
function testIndirectWithCache() {
function _assertInt(buffer, values) {
const builder = flexbuffers.builder();
builder.startVector();
values.forEach(v => {
builder.addInt(v, true, true)
});
builder.end();
const data = builder.finish();
assert.deepStrictEqual(data, new Uint8Array(buffer));
}
function _assertUInt(buffer, values) {
const builder = flexbuffers.builder();
builder.startVector();
values.forEach(v => {
builder.addUInt(v, true, true);
});
builder.end();
const data = builder.finish();
assert.deepStrictEqual(data, new Uint8Array(buffer));
}
function _assertFloat(buffer, values) {
const builder = flexbuffers.builder();
builder.startVector();
values.forEach(v => {
builder.addFloat(v, true, true);
});
builder.end();
const data = builder.finish();
assert.deepStrictEqual(data, new Uint8Array(buffer));
}
_assertInt(
[185, 115, 175, 118, 250, 84, 8, 0, 4, 9, 10, 11, 12, 27, 27, 27, 27, 8, 40, 1],
[2345234523452345, 2345234523452345, 2345234523452345, 2345234523452345]
);
_assertUInt(
[185, 115, 175, 118, 250, 84, 8, 0, 4, 9, 10, 11, 12, 31, 31, 31, 31, 8, 40, 1],
[2345234523452345, 2345234523452345, 2345234523452345, 2345234523452345]
);
_assertFloat(
[154, 153, 153, 153, 153, 153, 185, 63, 4, 9, 10, 11, 12, 35, 35, 35, 35, 8, 40, 1],
[0.1, 0.1, 0.1, 0.1]
);
}
function testMapBuilder() {
const builder = flexbuffers.builder();
builder.startMap();
builder.addKey('a');
builder.add(12);
builder.addKey('');
builder.add(45);
builder.end();
const data = builder.finish();
assert.deepStrictEqual(data, new Uint8Array([97, 0, 0, 2, 2, 5, 2, 1, 2, 45, 12, 4, 4, 4, 36, 1]));
}
function testRoundTrip() {
const example = {
"age": 35,
"flags": [true, false, true, true],
"weight": 72.5,
"name": "Maxim",
"address": {
"city": "Bla",
"zip": "12345",
"countryCode": "XX",
}
};
function _assert(value) {
let buffer = flexbuffers.encode(value, 1);
let o = flexbuffers.toObject(buffer.buffer);
assert.deepStrictEqual(o, value);
}
_assert(example);
_assert(0x100000001n);
_assert({ test_number: 72.6 })
}
function testRoundTripWithBuilder() {
const example = {
"age": 35,
"flags": [true, false, true, true],
"weight": 72.5,
"name": "Maxim",
"address": {
"city": "Bla",
"zip": "12345",
"countryCode": "XX",
}
};
const builder = flexbuffers.builder();
builder.startMap();
builder.addKey('age');
builder.add(35);
builder.addKey('flags');
builder.startVector();
builder.add(true);
builder.add(false);
builder.add(true);
builder.add(true);
builder.end();
builder.addKey("weight");
builder.add(72.5);
builder.addKey("name");
builder.add("Maxim");
builder.addKey("address");
builder.startMap();
builder.addKey("city");
builder.add("Bla");
builder.addKey("zip");
builder.add("12345");
builder.addKey("countryCode");
builder.add("XX");
builder.end();
builder.end();
const data = builder.finish();
let o = flexbuffers.toObject(data.buffer);
assert.deepStrictEqual(o, example);
let root = flexbuffers.toReference(data.buffer);
assert.strictEqual(root.isMap(), true);
assert.strictEqual(root.get("age").numericValue(), 35);
assert.strictEqual(root.get("age").intValue(), 35);
assert.strictEqual(root.get("name").stringValue(), "Maxim");
assert.strictEqual(root.get("weight").floatValue(), 72.5);
assert.strictEqual(root.get("weight").numericValue(), 72.5);
let flags = root.get("flags");
assert.strictEqual(flags.isVector(), true);
assert.strictEqual(flags.length(), 4);
assert.strictEqual(flags.get(0).boolValue(), true);
assert.strictEqual(flags.get(1).boolValue(), false);
assert.strictEqual(flags.get(2).boolValue(), true);
assert.strictEqual(flags.get(3).boolValue(), true);
let address = root.get("address");
assert.strictEqual(address.isMap(), true);
assert.strictEqual(address.length(), 3);
assert.strictEqual(address.get("city").stringValue(), "Bla");
assert.strictEqual(address.get("zip").stringValue(), "12345");
assert.strictEqual(address.get("countryCode").stringValue(), "XX");
}
function testGoldBuffer() {
const data = new Uint8Array(fs.readFileSync('../gold_flexbuffer_example.bin')).buffer;
const b1 = flexbuffers.toReference(data).get("bools").get(1);
assert.strictEqual(b1.isBool(), true);
assert.strictEqual(b1.boolValue(), false);
const blob = flexbuffers.toReference(data).get("vec").get(3);
assert.strictEqual(blob.isBlob(), true);
assert.deepStrictEqual(blob.blobValue(), new Uint8Array([77]));
const o = flexbuffers.toObject(data);
assert.deepStrictEqual(o, {
bool: true,
bools: [true, false, true, false],
bar: [1, 2, 3],
bar3: [1, 2, 3],
foo: 100,
mymap: {foo:'Fred'},
vec: [-100, 'Fred', 4, new Uint8Array([77]), false, 4]
});
}
function testBugWhereOffestWereStoredAsIntInsteadOfUInt() {
const object = {'channels_in': 64, 'dilation_height_factor': 1, 'dilation_width_factor': 1, 'fused_activation_function': 1, 'pad_values': 1, 'padding': 0, 'stride_height': 1, 'stride_width': 1};
let data1 = flexbuffers.encode(object);
const data = [99, 104, 97, 110, 110, 101, 108, 115, 95, 105, 110, 0,
100, 105, 108, 97, 116, 105, 111, 110, 95, 104, 101, 105, 103, 104, 116, 95, 102, 97, 99, 116, 111, 114, 0,
100, 105, 108, 97, 116, 105, 111, 110, 95, 119, 105, 100, 116, 104, 95, 102, 97, 99, 116, 111, 114, 0,
102, 117, 115, 101, 100, 95, 97, 99, 116, 105, 118, 97, 116, 105, 111, 110, 95, 102, 117, 110, 99, 116, 105, 111, 110, 0,
112, 97, 100, 95, 118, 97, 108, 117, 101, 115, 0, 112, 97, 100, 100, 105, 110, 103, 0,
115, 116, 114, 105, 100, 101, 95, 104, 101, 105, 103, 104, 116, 0,
115, 116, 114, 105, 100, 101, 95, 119, 105, 100, 116, 104, 0,
8, 130, 119, 97, 76, 51, 41, 34, 21, 8, 1, 8, 64, 1, 1, 1, 1, 0, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 16, 36, 1];
let object2 = flexbuffers.toObject(new Uint8Array(data).buffer);
let object1 = flexbuffers.toObject(new Uint8Array(data1).buffer);
assert.deepStrictEqual(object, object2);
assert.deepStrictEqual(object, object1);
assert.strictEqual(data.length, data1.length);
let ref = flexbuffers.toReference(new Uint8Array(data).buffer);
assert.strictEqual(ref.isMap(), true);
assert.strictEqual(ref.length(), 8);
assert.strictEqual(ref.get("channels_in").numericValue(), 64);
assert.strictEqual(ref.get("padding").isNumber(), true);
}
main();