toolkit/components/autocomplete/tests/unit/test_insertMatchAt.js


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function run_test() {
  let result = Cc["@mozilla.org/autocomplete/simple-result;1"].createInstance(
    Ci.nsIAutoCompleteSimpleResult
  );
  result.appendMatch("a", "");
  result.appendMatch("c", "");
  result.insertMatchAt(1, "b", "");
  result.insertMatchAt(3, "d", "");

  Assert.equal(result.matchCount, 4);
  Assert.equal(result.getValueAt(0), "a");
  Assert.equal(result.getValueAt(1), "b");
  Assert.equal(result.getValueAt(2), "c");
  Assert.equal(result.getValueAt(3), "d");
}