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<meta charset=utf-8>
<title></title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
  test(() => {
      var m = new MutationObserver(() => {});
      assert_throws_js(TypeError, () => {
          m.observe(document, {});
      });
  }, "Should throw if none of childList, attributes, characterData are true");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { childList: true });
      m.disconnect();
  }, "Should not throw if childList is true");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { attributes: true });
      m.disconnect();
  }, "Should not throw if attributes is true");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { characterData: true });
      m.disconnect();
  }, "Should not throw if characterData is true");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { attributeOldValue: true });
      m.disconnect();
  }, "Should not throw if attributeOldValue is true and attributes is omitted");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { characterDataOldValue: true });
      m.disconnect();
  }, "Should not throw if characterDataOldValue is true and characterData is omitted");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { attributes: ["abc"] });
      m.disconnect();
  }, "Should not throw if attributeFilter is present and attributes is omitted");

  test(() => {
      var m = new MutationObserver(() => {});
      assert_throws_js(TypeError, () => {
          m.observe(document, { childList: true, attributeOldValue: true,
                                attributes: false });
      });
  }, "Should throw if attributeOldValue is true and attributes is false");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { childList: true, attributeOldValue: true,
                            attributes: true });
      m.disconnect();
  }, "Should not throw if attributeOldValue and attributes are both true");

  test(() => {
      var m = new MutationObserver(() => {});
      assert_throws_js(TypeError, () => {
          m.observe(document, { childList: true, attributeFilter: ["abc"],
                                attributes: false });
      });
  }, "Should throw if attributeFilter is present and attributes is false");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { childList: true, attributeFilter: ["abc"],
                            attributes: true });
      m.disconnect();
  }, "Should not throw if attributeFilter is present and attributes is true");

  test(() => {
      var m = new MutationObserver(() => {});
      assert_throws_js(TypeError, () => {
          m.observe(document, { childList: true, characterDataOldValue: true,
                                characterData: false });
      });
  }, "Should throw if characterDataOldValue is true and characterData is false");

  test(() => {
      var m = new MutationObserver(() => {});
      m.observe(document, { childList: true, characterDataOldValue: true,
                            characterData: true });
      m.disconnect();
  }, "Should not throw if characterDataOldValue is true and characterData is true");

</script>