"use strict"; async_test(t => { const xhr = new XMLHttpRequest(); xhr.open("GET", "./resources/over-1-meg.txt"); xhr.addEventListener("load", t.step_func_done(() => { const result = xhr.responseText; const desiredResult = "abcd".repeat(290000); assert_equals(result.length, desiredResult.length); // to avoid large diffs if they are lengthwise different assert_equals(result, desiredResult); })); xhr.send(); });