Import dom/ from web-platform-tests

third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Element-matches.js

+/*
+ * Check that the matches() method exists on the given Node
+ */
+function interfaceCheckMatches(type, obj) {
+  if (obj.nodeType === obj.ELEMENT_NODE) {
+    test(function() {
+      assert_idl_attribute(obj, "matches", type + " supports matches");
+    }, type + " supports matches")
+  }
+}
+
+function runSpecialMatchesTests(type, element) {
+  test(function() { // 1
+    if (element.tagName.toLowerCase() === "null") {
+      assert_true(element.matches(null), "An element with the tag name '" + element.tagName.toLowerCase() + "' should match.");
+    } else {
+      assert_false(element.matches(null), "An element with the tag name '" + element.tagName.toLowerCase() + "' should not match.");
+    }
+  }, type + ".matches(null)")
+
+  test(function() { // 2
+    if (element.tagName.toLowerCase() === "undefined") {
+      assert_true(element.matches(undefined), "An element with the tag name '" + element.tagName.toLowerCase() + "' should match.");
+    } else {
+      assert_false(element.matches(undefined), "An element with the tag name '" + element.tagName.toLowerCase() + "' should not match.");
+    }
+  }, type + ".matches(undefined)")
+
+  test(function() { // 3
+    assert_throws(TypeError(), function() {
+      element.matches();
+    }, "This should throw a TypeError.")
+  }, type + ".matches no parameter")
+}
+
+/*
+ * Execute queries with the specified invalid selectors for matches()
+ * Only run these tests when errors are expected. Don't run for valid selector tests.
+ */
+function runInvalidSelectorTestMatches(type, root, selectors) {
+  if (root.nodeType === root.ELEMENT_NODE) {
+    for (var i = 0; i < selectors.length; i++) {
+      var s = selectors[i];
+      var n = s["name"];
+      var q = s["selector"];
+
+      test(function() {
+        assert_throws("SyntaxError", function() {
+          root.matches(q)
+        })
+      }, type + ".matches: " + n + ": " + q);
+    }
+  }
+}
+
+function runMatchesTest(type, root, selectors, docType) {
+  var nodeType = getNodeType(root);
+
+  for (var i = 0; i < selectors.length; i++) {
+    var s = selectors[i];
+    var n = s["name"];
+    var q = s["selector"];
+    var e = s["expect"];
+    var u = s["unexpected"];
+
+    var ctx = s["ctx"];
+    var ref = s["ref"];
+
+    if ((!s["exclude"] || (s["exclude"].indexOf(nodeType) === -1 && s["exclude"].indexOf(docType) === -1))
+     && (s["testType"] & TEST_MATCH) ) {
+
+      if (ctx && !ref) {
+        test(function() {
+          var j, element, refNode;
+          for (j = 0; j < e.length; j++) {
+            element = root.querySelector("#" + e[j]);
+            refNode = root.querySelector(ctx);
+            assert_true(element.matches(q, refNode), "The element #" + e[j] + " should match the selector.")
+          }
+
+          if (u) {
+            for (j = 0; j < u.length; j++) {
+              element = root.querySelector("#" + u[j]);
+              refNode = root.querySelector(ctx);
+              assert_false(element.matches(q, refNode), "The element #" + u[j] + " should not match the selector.")
+            }
+          }
+        }, type + " Element.matches: " + n + " (with refNode Element): " + q);
+      }
+
+      if (ref) {
+        test(function() {
+          var j, element, refNodes;
+          for (j = 0; j < e.length; j++) {
+            element = root.querySelector("#" + e[j]);
+            refNodes = root.querySelectorAll(ref);
+            assert_true(element.matches(q, refNodes), "The element #" + e[j] + " should match the selector.")
+          }
+
+          if (u) {
+            for (j = 0; j < u.length; j++) {
+              element = root.querySelector("#" + u[j]);
+              refNodes = root.querySelectorAll(ref);
+              assert_false(element.matches(q, refNodes), "The element #" + u[j] + " should not match the selector.")
+            }
+          }
+        }, type + " Element.matches: " + n + " (with refNodes NodeList): " + q);
+      }
+
+      if (!ctx && !ref) {
+        test(function() {
+          for (var j = 0; j < e.length; j++) {
+            var element = root.querySelector("#" + e[j]);
+            assert_true(element.matches(q), "The element #" + e[j] + " should match the selector.")
+          }
+
+          if (u) {
+            for (j = 0; j < u.length; j++) {
+              element = root.querySelector("#" + u[j]);
+              assert_false(element.matches(q), "The element #" + u[j] + " should not match the selector.")
+            }
+          }
+        }, type + " Element.matches: " + n + " (with no refNodes): " + q);
+      }
+    }
+  }
+}