tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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MutationObserver-sanity.html (3444B)

      1 <!doctype html>
      2 <meta charset=utf-8>
      3 <title></title>
      4 <script src=/resources/testharness.js></script>
      5 <script src=/resources/testharnessreport.js></script>
      6 <script>
      7  test(() => {
      8      var m = new MutationObserver(() => {});
      9      assert_throws_js(TypeError, () => {
     10          m.observe(document, {});
     11      });
     12  }, "Should throw if none of childList, attributes, characterData are true");
     13 
     14  test(() => {
     15      var m = new MutationObserver(() => {});
     16      m.observe(document, { childList: true });
     17      m.disconnect();
     18  }, "Should not throw if childList is true");
     19 
     20  test(() => {
     21      var m = new MutationObserver(() => {});
     22      m.observe(document, { attributes: true });
     23      m.disconnect();
     24  }, "Should not throw if attributes is true");
     25 
     26  test(() => {
     27      var m = new MutationObserver(() => {});
     28      m.observe(document, { characterData: true });
     29      m.disconnect();
     30  }, "Should not throw if characterData is true");
     31 
     32  test(() => {
     33      var m = new MutationObserver(() => {});
     34      m.observe(document, { attributeOldValue: true });
     35      m.disconnect();
     36  }, "Should not throw if attributeOldValue is true and attributes is omitted");
     37 
     38  test(() => {
     39      var m = new MutationObserver(() => {});
     40      m.observe(document, { characterDataOldValue: true });
     41      m.disconnect();
     42  }, "Should not throw if characterDataOldValue is true and characterData is omitted");
     43 
     44  test(() => {
     45      var m = new MutationObserver(() => {});
     46      m.observe(document, { attributes: ["abc"] });
     47      m.disconnect();
     48  }, "Should not throw if attributeFilter is present and attributes is omitted");
     49 
     50  test(() => {
     51      var m = new MutationObserver(() => {});
     52      assert_throws_js(TypeError, () => {
     53          m.observe(document, { childList: true, attributeOldValue: true,
     54                                attributes: false });
     55      });
     56  }, "Should throw if attributeOldValue is true and attributes is false");
     57 
     58  test(() => {
     59      var m = new MutationObserver(() => {});
     60      m.observe(document, { childList: true, attributeOldValue: true,
     61                            attributes: true });
     62      m.disconnect();
     63  }, "Should not throw if attributeOldValue and attributes are both true");
     64 
     65  test(() => {
     66      var m = new MutationObserver(() => {});
     67      assert_throws_js(TypeError, () => {
     68          m.observe(document, { childList: true, attributeFilter: ["abc"],
     69                                attributes: false });
     70      });
     71  }, "Should throw if attributeFilter is present and attributes is false");
     72 
     73  test(() => {
     74      var m = new MutationObserver(() => {});
     75      m.observe(document, { childList: true, attributeFilter: ["abc"],
     76                            attributes: true });
     77      m.disconnect();
     78  }, "Should not throw if attributeFilter is present and attributes is true");
     79 
     80  test(() => {
     81      var m = new MutationObserver(() => {});
     82      assert_throws_js(TypeError, () => {
     83          m.observe(document, { childList: true, characterDataOldValue: true,
     84                                characterData: false });
     85      });
     86  }, "Should throw if characterDataOldValue is true and characterData is false");
     87 
     88  test(() => {
     89      var m = new MutationObserver(() => {});
     90      m.observe(document, { childList: true, characterDataOldValue: true,
     91                            characterData: true });
     92      m.disconnect();
     93  }, "Should not throw if characterDataOldValue is true and characterData is true");
     94 
     95 </script>