Add a TextEditor benchmark for large files construction

ogirardot · Oct 14, 2016 · bb0a0cd · bb0a0cd
1 parent 40d9bc7
commit bb0a0cd
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/benchmarks/text-editor-large-file-construction.bench.js b/benchmarks/text-editor-large-file-construction.bench.js
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+/** @babel */
+
+import fs from 'fs'
+import temp from 'temp'
+import {TextEditor, TextBuffer} from 'atom'
+
+export default function () {
+  const data = []
+  const maxLineCount = 10000
+  const step = 500
+  const lineText = 'Lorem ipsum dolor sit amet\n'
+  const sampleText = lineText.repeat(maxLineCount)
+  for (let lineCount = 0; lineCount <= maxLineCount; lineCount += step) {
+    const text = sampleText.slice(0, lineText.length * lineCount)
+    const buffer = new TextBuffer(text)
+    const t0 = window.performance.now()
+    const editor = new TextEditor({buffer, largeFileMode: true})
+    document.body.appendChild(editor.element)
+    const t1 = window.performance.now()
+    data.push({name: 'Opening and rendering a TextEditor', x: lineCount, duration: t1 - t0})
+    editor.element.remove()
+    editor.destroy()
+  }
+  return data
+}