Element-matches-init.js

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function init(e, method) {

/*

   * This test suite tests Selectors API methods in 4 different contexts:

   * 1. Document node

   * 2. In-document Element node

   * 3. Detached Element node (an element with no parent, not in the document)

   * 4. Document Fragment node

   * For each context, the following tests are run:

   * The interface check tests ensure that each type of node exposes the Selectors API methods.

   * The matches() tests are run

   * All the selectors tested for both the valid and invalid selector tests are found in selectors.js.

   * See comments in that file for documentation of the format used.

   * The level2-lib.js file contains all the common test functions for running each of the aforementioned tests

*/

  var docType  = "html"; // Only run tests suitable for HTML

  // Prepare the nodes for testing

  var doc = e.target.contentDocument;                 // Document Node tests

  var element = doc.getElementById("root");   // In-document Element Node tests

  //Setup the namespace tests

  setupSpecialElements(doc, element);

  var outOfScope = element.cloneNode(true);   // Append this to the body before running the in-document

                                               // Element tests, but after running the Document tests. This

                                               // tests that no elements that are not descendants of element

                                               // are selected.

  traverse(outOfScope, function(elem) {        // Annotate each element as being a clone; used for verifying

    elem.setAttribute("data-clone", "");     // that none of these elements ever match.

});

  var detached = element.cloneNode(true);     // Detached Element Node tests

  var fragment = doc.createDocumentFragment(); // Fragment Node tests

  fragment.appendChild(element.cloneNode(true));

  // Setup Tests

  interfaceCheckMatches(method, "Document", doc);

  interfaceCheckMatches(method, "Detached Element", detached);

  interfaceCheckMatches(method, "Fragment", fragment);

  interfaceCheckMatches(method, "In-document Element", element);

  runSpecialMatchesTests(method, "DIV Element", element);

  runSpecialMatchesTests(method, "NULL Element", document.createElement("null"));

  runSpecialMatchesTests(method, "UNDEFINED Element", document.createElement("undefined"));

  runInvalidSelectorTestMatches(method, "Document", doc, invalidSelectors);

  runInvalidSelectorTestMatches(method, "Detached Element", detached, invalidSelectors);

  runInvalidSelectorTestMatches(method, "Fragment", fragment, invalidSelectors);

  runInvalidSelectorTestMatches(method, "In-document Element", element, invalidSelectors);

  runMatchesTest(method, "In-document", doc, validSelectors, "html");

  runMatchesTest(method, "Detached", detached, validSelectors, "html");

  runMatchesTest(method, "Fragment", fragment, validSelectors, "html");

  runMatchesTest(method, "In-document", doc, scopedSelectors, "html");