refactor: serialize-addon, move SerializeAddon.benchmark.ts into addons/xterm-addon-serialize and add README.md

test/benchmark/SerializeAddon.benchmark.ts

@@ -1,65 +0,0 @@
-/**
- * Copyright (c) 2019 The xterm.js authors. All rights reserved.
- * @license MIT
- */
-
-import { perfContext, before, ThroughputRuntimeCase } from 'xterm-benchmark';
-
-import { spawn } from 'node-pty';
-import { Utf8ToUtf32, stringFromCodePoint } from 'common/input/TextDecoder';
-import { Terminal } from 'public/Terminal';
-import { SerializeAddon } from 'addons/xterm-addon-serialize/src/SerializeAddon';
-
-class TestTerminal extends Terminal {
-  writeSync(data: string): void {
-    (<any>this)._core.writeSync(data);
-  }
-}
-
-perfContext('Terminal: sh -c "dd if=/dev/random count=40 bs=1k | hexdump | lolcat -f"', () => {
-  let content = '';
-  let contentUtf8: Uint8Array;
-
-  before(async () => {
-    const p = spawn('sh', ['-c', 'dd if=/dev/random count=40 bs=1k | hexdump | lolcat -f'], {
-      name: 'xterm-256color',
-      cols: 80,
-      rows: 25,
-      cwd: process.env.HOME,
-      env: process.env,
-      encoding: (null as unknown as string) // needs to be fixed in node-pty
-    });
-    const chunks: Buffer[] = [];
-    let length = 0;
-    p.on('data', data => {
-      chunks.push(data as unknown as Buffer);
-      length += data.length;
-    });
-    await new Promise(resolve => p.on('exit', () => resolve()));
-    contentUtf8 = Buffer.concat(chunks, length);
-    // translate to content string
-    const buffer = new Uint32Array(contentUtf8.length);
-    const decoder = new Utf8ToUtf32();
-    const codepoints = decoder.decode(contentUtf8, buffer);
-    for (let i = 0; i < codepoints; ++i) {
-      content += stringFromCodePoint(buffer[i]);
-      // peek into content to force flat repr in v8
-      if (!(i % 10000000)) {
-        content[i];
-      }
-    }
-  });
-
-  perfContext('serialize', () => {
-    let terminal: TestTerminal;
-    const serializeAddon = new SerializeAddon();
-    before(() => {
-      terminal = new TestTerminal({ cols: 80, rows: 25, scrollback: 5000 });
-      serializeAddon.activate(terminal);
-      terminal.writeSync(content);
-    });
-    new ThroughputRuntimeCase('', () => {
-      return { payloadSize: serializeAddon.serialize().length };
-    }, { fork: false }).showAverageThroughput();
-  });
-});