netwerk/test/unit/test_cache2-23-read-over-chunk.js


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"use strict";

function run_test() {
  do_get_profile();

  const kChunkSize = 256 * 1024;

  var payload = "";
  for (var i = 0; i < kChunkSize + 10; ++i) {
    if (i < kChunkSize - 5) {
      payload += "0";
    } else {
      payload += String.fromCharCode(i + 65);
    }
  }

  asyncOpenCacheEntry(
    "http://read/",
    "disk",
    Ci.nsICacheStorage.OPEN_TRUNCATE,
    Services.loadContextInfo.default,
    new OpenCallback(NEW | WAITFORWRITE, "", payload, function (entry) {
      var is = entry.openInputStream(0);
      pumpReadStream(is, function (read) {
        Assert.equal(read.length, kChunkSize + 10);
        is.close();
        Assert.ok(read == payload); // not using do_check_eq since logger will fail for the 1/4MB string
        finish_cache2_test();
      });
    })
  );

  do_test_pending();
}