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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | 1x 1x 1x 1x 1x 1x 800x 800x 800x 800x 800x 800x 800x 800x 1600x 1600x 16480x 1108x 1096x 1096x 1078x 1093x 1134x 1111x 1101x 5865x 1042x 1079x 1114x 1106x 5986x 1130x 1084x 1108x 16480x 1600x 800x 800x 800x 800x 1x 14366x 14366x 14366x 1x 13891x 13891x 1x 800x 1600x 3298x 1600x | import {RandomJson} from '@jsonjoy.com/util/lib/json-random';
import {Fuzzer} from '@jsonjoy.com/util/lib/Fuzzer';
import {interval, type ITimestampStruct, Timespan, ClockVector, ServerClockVector, ts} from '../../clock';
import {SESSION} from '../../constants';
import type {Patch} from '../../Patch';
import {PatchBuilder} from '../../PatchBuilder';
export class PatchFuzzer extends Fuzzer {
public generateLogicalPatch(): Patch {
const clock = this.generateLogicalClock();
const builder = new PatchBuilder(clock);
this.generateLogicalPatchBase(builder, this.generateLogicalTimestamp);
return builder.patch;
}
public generateServerPatch(): Patch {
const clock = this.generateServerClock();
const builder = new PatchBuilder(clock);
this.generateLogicalPatchBase(builder, this.generateServerTimestamp);
return builder.patch;
}
public generateLogicalPatchBase(builder: PatchBuilder, ts: () => ITimestampStruct): Patch {
const length = this.generatePatchLength();
for (let i = 0; i < length; i++) {
const build = Fuzzer.pick([
() => builder.obj(),
() => builder.arr(),
() => builder.str(),
() => builder.bin(),
() => builder.val(),
() => builder.const(RandomJson.generate()),
() => builder.root(ts()),
() =>
builder.insObj(
ts(),
Fuzzer.repeat(Fuzzer.randomInt(1, 10), () => [RandomJson.genString(), ts()]),
),
() => builder.setVal(ts(), ts()),
() => builder.insStr(ts(), ts(), RandomJson.genString()),
() => builder.insBin(ts(), ts(), RandomJson.genBinary()),
() =>
builder.insArr(
ts(),
ts(),
Fuzzer.repeat(Fuzzer.randomInt(1, 10), () => ts()),
),
() => builder.del(ts(), [interval(ts(), 0, this.generateSpan())]),
() => builder.del(ts(), [interval(ts(), 0, this.generateSpan()), interval(ts(), 0, this.generateSpan())]),
() => builder.nop(Fuzzer.randomInt(1, 20)),
]);
build();
}
return builder.patch;
}
public generateLogicalClock(): ClockVector {
const sessionId = this.generateSessionId();
const time = this.generateTime();
return new ClockVector(sessionId, time);
}
public generateServerClock(): ServerClockVector {
return new ServerClockVector(SESSION.SERVER, this.generateTime());
}
public readonly generateLogicalTimestamp = (): ITimestampStruct => {
const sessionId = Fuzzer.randomInt(0xffff + 1, SESSION.MAX);
const time = Fuzzer.randomInt(0, 0xffffff);
return ts(sessionId, time);
};
public readonly generateServerTimestamp = (): ITimestampStruct => {
const time = Fuzzer.randomInt(0, 0xffffff);
return ts(SESSION.SERVER, time);
};
public readonly generateLogicalTimespan = (): Timespan => {
const sessionId = this.generateSessionId();
const time = this.generateTime();
const span = this.generateSpan();
return new Timespan(sessionId, time, span);
};
public generateSessionId(): number {
return Fuzzer.randomInt(0xffff + 1, SESSION.MAX);
}
public generateTime(): number {
return Fuzzer.randomInt(0, 0xffffffffff);
}
public generateSpan(): number {
return Fuzzer.randomInt(1, 0xffff);
}
public generatePatchLength(): number {
return Fuzzer.randomInt(1, 20);
}
}
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