IndexedDB/idbfactory_cmp4.htm

<!DOCTYPE html>
<meta charset=utf-8>
<title>IDBFactory.cmp() - comparison of binary keys</title>
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="help" href="http://w3c.github.io/IndexedDB/#key-construct">
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>

<script>
  test(function() {
    assert_equals(indexedDB.cmp(new Int8Array([-1]), new Uint8Array([0])), 1,
    "255(-1) shall be larger than 0");
  }, "Compare in unsigned octet values (in the range [0, 255])");

  test(function() {
    assert_equals(indexedDB.cmp(
        new Uint8Array([255, 254, 253]),
        new Uint8Array([255, 253, 254])),
        1,
        "[255, 254, 253] shall be larger than [255, 253, 254]");
  }, "Compare values in then same length");

  test(function() {
    assert_equals(indexedDB.cmp(
        new Uint8Array([255, 254]),
        new Uint8Array([255, 253, 254])),
        1,
        "[255, 254] shall be larger than [255, 253, 254]");
  }, "Compare values in different lengths");

  test(function() {
    assert_equals(indexedDB.cmp(
        new Uint8Array([255, 253, 254]),
        new Uint8Array([255, 253])),
        1,
        "[255, 253, 254] shall be larger than [255, 253]");
  }, "Compare when the values in the range of their minimal length are the same");
</script>

<div id=log></div>