mirror of
https://github.com/google/flatbuffers.git
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317 lines
10 KiB
Dart
317 lines
10 KiB
Dart
import 'dart:typed_data';
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import 'package:flat_buffers/flex_buffers.dart' show Reference;
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import 'package:test/test.dart';
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void main() {
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test('is null', () {
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expect(Reference.fromBuffer(b([0, 0, 1])).isNull, isTrue);
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});
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test('bool value', () {
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expect(Reference.fromBuffer(b([1, 104, 1])).boolValue, isTrue);
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expect(Reference.fromBuffer(b([0, 104, 1])).boolValue, isFalse);
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});
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test('int value', () {
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expect(Reference.fromBuffer(b([25, 4, 1])).intValue, 25);
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expect(Reference.fromBuffer(b([231, 4, 1])).intValue, -25);
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expect(Reference.fromBuffer(b([230, 8, 1])).intValue, 230);
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expect(Reference.fromBuffer(b([230, 0, 5, 2])).intValue, 230);
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expect(Reference.fromBuffer(b([1, 4, 5, 2])).intValue, 1025);
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expect(Reference.fromBuffer(b([255, 251, 5, 2])).intValue, -1025);
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expect(Reference.fromBuffer(b([1, 4, 9, 2])).intValue, 1025);
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expect(Reference.fromBuffer(b([255, 255, 255, 127, 6, 4])).intValue,
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2147483647);
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expect(
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Reference.fromBuffer(b([0, 0, 0, 128, 6, 4])).intValue, -2147483648);
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expect(
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Reference.fromBuffer(b([255, 255, 255, 255, 0, 0, 0, 0, 7, 8]))
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.intValue,
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4294967295);
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expect(
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Reference.fromBuffer(b([255, 255, 255, 255, 255, 255, 255, 127, 7, 8]))
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.intValue,
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9223372036854775807);
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expect(Reference.fromBuffer(b([0, 0, 0, 0, 0, 0, 0, 128, 7, 8])).intValue,
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-9223372036854775808);
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// Dart does not really support UInt64
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// expect(FlxValue.fromBuffer(b([255, 255, 255, 255, 255, 255, 255, 255, 11, 8])).intValue, 18446744073709551615);
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});
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test('double value', () {
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expect(Reference.fromBuffer(b([0, 0, 144, 64, 14, 4])).doubleValue, 4.5);
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expect(Reference.fromBuffer(b([205, 204, 204, 61, 14, 4])).doubleValue,
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closeTo(.1, .001));
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expect(
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Reference.fromBuffer(b([154, 153, 153, 153, 153, 153, 185, 63, 15, 8]))
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.doubleValue,
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.1);
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});
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test('num value', () {
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expect(Reference.fromBuffer(b([0, 0, 144, 64, 14, 4])).numValue, 4.5);
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expect(Reference.fromBuffer(b([205, 204, 204, 61, 14, 4])).numValue,
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closeTo(.1, .001));
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expect(
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Reference.fromBuffer(b([154, 153, 153, 153, 153, 153, 185, 63, 15, 8]))
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.numValue,
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.1);
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expect(Reference.fromBuffer(b([255, 251, 5, 2])).numValue, -1025);
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});
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test('string value', () {
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expect(
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Reference.fromBuffer(b([5, 77, 97, 120, 105, 109, 0, 6, 20, 1]))
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.stringValue,
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'Maxim');
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expect(
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Reference.fromBuffer(b([
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10, 104, 101, 108, 108, 111, 32, 240, 159, 152, 177, 0, 11, 20, 1
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])).stringValue,
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'hello 😱');
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});
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test('blob value', () {
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expect(
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Reference.fromBuffer(b([3, 1, 2, 3, 3, 100, 1])).blobValue, [1, 2, 3]);
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});
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test('bool vector', () {
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var flx = Reference.fromBuffer(b([3, 1, 0, 1, 3, 144, 1]));
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expect(flx[0].boolValue, true);
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expect(flx[1].boolValue, false);
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expect(flx[2].boolValue, true);
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});
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test('number vector', () {
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testNumbers([3, 1, 2, 3, 3, 44, 1], [1, 2, 3]);
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testNumbers([3, 255, 2, 3, 3, 44, 1], [-1, 2, 3]);
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testNumbers([3, 0, 1, 0, 43, 2, 3, 0, 6, 45, 1], [1, 555, 3]);
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testNumbers(
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[3, 0, 0, 0, 1, 0, 0, 0, 204, 216, 0, 0, 3, 0, 0, 0, 12, 46, 1],
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[1, 55500, 3]);
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testNumbers([
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3, 0, 0, 0, 0, 0, 0, 0,
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1, 0, 0, 0, 0, 0, 0, 0,
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172, 128, 94, 239, 12, 0, 0, 0,
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3, 0, 0, 0, 0, 0, 0, 0,
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24, 47, 1
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], [1, 55555555500, 3
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]);
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testNumbers(
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[3, 0, 0, 0, 0, 0, 192, 63, 0, 0, 32, 64, 0, 0, 96, 64, 12, 54, 1],
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[1.5, 2.5, 3.5]);
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testNumbers([
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3, 0, 0, 0, 0, 0, 0, 0,
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154, 153, 153, 153, 153, 153, 241, 63,
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154, 153, 153, 153, 153, 153, 1, 64,
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102, 102, 102, 102, 102, 102, 10, 64,
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24, 55, 1
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], [1.1, 2.2, 3.3
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]);
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});
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test('number vector, fixed type', () {
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testNumbers([1, 2, 2, 64, 1], [1, 2]);
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testNumbers([255, 255, 0, 1, 4, 65, 1], [-1, 256]);
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testNumbers([211, 255, 255, 255, 0, 232, 3, 0, 8, 66, 1], [-45, 256000]);
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testNumbers([
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211, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 127,
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16, 67, 1
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], [
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-45, 9223372036854775807
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]);
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testNumbers([1, 2, 2, 68, 1], [1, 2]);
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testNumbers([1, 0, 0, 1, 4, 69, 1], [1, 256]);
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testNumbers([45, 0, 0, 0, 0, 232, 3, 0, 8, 70, 1], [45, 256000]);
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testNumbers([205, 204, 140, 63, 0, 0, 0, 192, 8, 74, 1], [1.1, -2]);
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testNumbers([
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154, 153, 153, 153, 153, 153, 241, 63,
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0, 0, 0, 0, 0, 0, 112, 192,
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16, 75, 1
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], [
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1.1, -256
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]);
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testNumbers([211, 255, 255, 255, 0, 232, 3, 0, 4, 0, 0, 0, 12, 78, 1],
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[-45, 256000, 4]);
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testNumbers([
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211, 255, 255, 255, 255, 255, 255, 255,
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255, 255, 255, 255, 255, 255, 255, 127,
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4, 0, 0, 0, 0, 0, 0, 0,
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9, 0, 0, 0, 0, 0, 0, 0,
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32, 91, 1
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], [
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-45, 9223372036854775807, 4, 9
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]);
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testNumbers([
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45, 0, 0, 0, 0, 0, 0, 0,
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255, 255, 255, 255, 255, 255, 255, 127,
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4, 0, 0, 0, 0, 0, 0, 0,
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9, 0, 0, 0, 0, 0, 0, 0,
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32, 95, 1
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], [
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45, 9223372036854775807, 4, 9
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]);
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testNumbers([
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154, 153, 153, 153, 153, 153, 241, 63,
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0, 0, 0, 0, 0, 0, 112, 64,
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0, 0, 0, 0, 0, 0, 16, 64,
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24, 87, 1
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], [
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1.1, 256, 4
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]);
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testNumbers([
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154, 153, 153, 153, 153, 153, 241, 63,
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0, 0, 0, 0, 0, 0, 112, 64,
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0, 0, 0, 0, 0, 0, 16, 64,
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0, 0, 0, 0, 0, 0, 34, 64,
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32, 99, 1
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], [
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1.1, 256, 4, 9
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]);
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});
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test('string vector', () {
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testStrings([
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3, 102, 111, 111, 0,
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3, 98, 97, 114, 0,
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3, 98, 97, 122, 0,
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3, 15, 11, 7,
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3, 60, 1
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], [
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'foo', 'bar', 'baz'
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]);
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testStrings([
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3, 102, 111, 111, 0,
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3, 98, 97, 114, 0,
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3, 98, 97, 122, 0,
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6, 15, 11, 7, 18, 14, 10,
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6, 60, 1
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], [
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'foo', 'bar', 'baz', 'foo', 'bar', 'baz'
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]);
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});
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test('mixed vector', () {
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var flx = Reference.fromBuffer(b([
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3, 102, 111, 111, 0, 0, 0, 0,
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5, 0, 0, 0, 0, 0, 0, 0,
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15, 0, 0, 0, 0, 0, 0, 0,
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1, 0, 0, 0, 0, 0, 0, 0,
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251, 255, 255, 255, 255, 255, 255, 255,
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205, 204, 204, 204, 204, 204, 244, 63,
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1, 0, 0, 0, 0, 0, 0, 0,
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20, 4, 4, 15, 104, 45, 43, 1
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]));
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expect(flx.length, 5);
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expect(flx[0].stringValue, 'foo');
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expect(flx[1].numValue, 1);
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expect(flx[2].numValue, -5);
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expect(flx[3].numValue, 1.3);
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expect(flx[4].boolValue, true);
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});
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test('single value map', () {
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var flx = Reference.fromBuffer(b([97, 0, 1, 3, 1, 1, 1, 12, 4, 2, 36, 1]));
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expect(flx.length, 1);
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expect(flx['a'].numValue, 12);
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});
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test('two value map', () {
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var flx = Reference.fromBuffer(b([0, 97, 0, 2, 4, 4, 2, 1, 2, 45, 12, 4, 4, 4, 36, 1]));
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expect(flx.length, 2);
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expect(flx['a'].numValue, 12);
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expect(flx[''].numValue, 45);
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});
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test('complex map', () {
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var flx = complexMap();
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expect(flx.length, 5);
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expect(flx['age'].numValue, 35);
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expect(flx['weight'].numValue, 72.5);
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expect(flx['name'].stringValue, 'Maxim');
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expect(flx['flags'].length, 4);
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expect(flx['flags'][0].boolValue, true);
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expect(flx['flags'][1].boolValue, false);
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expect(flx['flags'][2].boolValue, true);
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expect(flx['flags'][3].boolValue, true);
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expect(flx['address'].length, 3);
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expect(flx['address']['city'].stringValue, 'Bla');
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expect(flx['address']['zip'].stringValue, '12345');
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expect(flx['address']['countryCode'].stringValue, 'XX');
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expect(() => flx['address']['country'].stringValue,
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throwsA(predicate((e) => e is ArgumentError && e.message == 'Key: [country] is not applicable on: //address of: ValueType.Map')));
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expect(() => flx['address']['countryCode'][0],
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throwsA(predicate((e) => e is ArgumentError && e.message == 'Key: [0] is not applicable on: //address/countryCode of: ValueType.String')));
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expect(() => flx[1],
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throwsA(predicate((e) => e is ArgumentError && e.message == 'Key: [1] is not applicable on: / of: ValueType.Map')));
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expect(() => flx['flags'][4],
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throwsA(predicate((e) => e is ArgumentError && e.message == 'Key: [4] is not applicable on: //flags of: ValueType.VectorBool length: 4')));
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expect(() => flx['flags'][-1],
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throwsA(predicate((e) => e is ArgumentError && e.message == 'Key: [-1] is not applicable on: //flags of: ValueType.VectorBool length: 4')));
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});
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test('complex map to json', () {
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var flx = complexMap();
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expect(flx.json, '{"address":{"city":"Bla","countryCode":"XX","zip":"12345"},"age":35,"flags":[true,false,true,true],"name":"Maxim","weight":72.5}');
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});
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test('complex map iterators', () {
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var flx = complexMap();
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expect(flx.mapKeyIterable.map((e) => e).toList(), ['address', 'age', 'flags', 'name', 'weight']);
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expect(flx.mapValueIterable.map((e) => e.json).toList(), [flx['address'].json, flx['age'].json, flx['flags'].json, flx['name'].json, flx['weight'].json]);
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expect(flx['flags'].vectorIterable.map((e) => e.boolValue).toList(), [true, false, true, true]);
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});
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}
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ByteBuffer b(List<int> values) {
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var data = Uint8List.fromList(values);
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return data.buffer;
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}
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void testNumbers(List<int> buffer, List<num> numbers) {
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var flx = Reference.fromBuffer(b(buffer));
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expect(flx.length, numbers.length);
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for (var i = 0; i < flx.length; i++) {
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expect(flx[i].numValue, closeTo(numbers[i], 0.001));
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}
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}
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void testStrings(List<int> buffer, List<String> numbers) {
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var flx = Reference.fromBuffer(b(buffer));
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expect(flx.length, numbers.length);
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for (var i = 0; i < flx.length; i++) {
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expect(flx[i].stringValue, numbers[i]);
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}
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}
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Reference complexMap(){
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// {
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// "age": 35,
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// "flags": [True, False, True, True],
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// "weight": 72.5,
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// "name": "Maxim",
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// "address": {
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// "city": "Bla",
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// "zip": "12345",
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// "countryCode": "XX",
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// }
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// }
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return Reference.fromBuffer(b([
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97, 100, 100, 114, 101, 115, 115, 0,
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99, 105, 116, 121, 0, 3, 66, 108, 97, 0,
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99, 111, 117, 110, 116, 114, 121, 67, 111, 100, 101, 0,
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2, 88, 88, 0,
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122, 105, 112, 0,
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5, 49, 50, 51, 52, 53, 0,
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3, 38, 29, 14, 3, 1, 3, 38, 22, 15, 20, 20, 20,
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97, 103, 101, 0,
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102, 108, 97, 103, 115, 0,
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4, 1, 0, 1, 1,
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110, 97, 109, 101, 0,
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5, 77, 97, 120, 105, 109, 0,
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119, 101, 105, 103, 104, 116, 0,
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5, 93, 36, 33, 23, 12, 0, 0, 7, 0, 0, 0, 1, 0, 0, 0, 5, 0, 0, 0, 60, 0, 0, 0, 35, 0, 0, 0, 51, 0, 0, 0, 45,
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0, 0, 0, 0, 0, 145, 66, 36, 4, 144, 20, 14, 25, 38, 1
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]));
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}
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