Import dom/ from web-platform-tests

third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/nodes/Document-createProcessingInstruction.js

+test(function() {
+  var invalid = [
+        ["A", "?>"],
+        ["\u00B7A", "x"],
+        ["\u00D7A", "x"],
+        ["A\u00D7", "x"],
+        ["\\A", "x"],
+        ["\f", "x"],
+        [0, "x"],
+        ["0", "x"]
+      ],
+      valid = [
+        ["xml:fail", "x"],
+        ["A\u00B7A", "x"],
+        ["a0", "x"]
+      ]
+
+  for (var i = 0, il = invalid.length; i < il; i++) {
+    test(function() {
+      assert_throws("INVALID_CHARACTER_ERR", function() {
+        document.createProcessingInstruction(invalid[i][0], invalid[i][1])
+      })
+    }, "Should throw an INVALID_CHARACTER_ERR for target " +
+       format_value(invalid[i][0]) + " and data " +
+       format_value(invalid[i][1]) + ".")
+  }
+  for (var i = 0, il = valid.length; i < il; ++i) {
+    test(function() {
+      var pi = document.createProcessingInstruction(valid[i][0], valid[i][1]);
+      assert_equals(pi.target, valid[i][0]);
+      assert_equals(pi.data, valid[i][1]);
+      assert_equals(pi.ownerDocument, document);
+      assert_true(pi instanceof ProcessingInstruction);
+      assert_true(pi instanceof Node);
+    }, "Should get a ProcessingInstruction for target " +
+      format_value(valid[i][0]) + " and data " +
+      format_value(valid[i][1]) + ".")
+  }
+})