Import web-platform-tests@028d354aba4c8ee6700def957a45f3927241d8b0

third_party/WebKit/LayoutTests/resources/testharness.js

 /*global self*/
 /*jshint latedef: nofunc*/
 /*
 Distributed under both the W3C Test Suite License [1] and the W3C
 3-clause BSD License [2]. To contribute to a W3C Test Suite, see the
 policies and contribution forms [3].
 
 [1] http://www.w3.org/Consortium/Legal/2008/04-testsuite-license
 [2] http://www.w3.org/Consortium/Legal/2008/03-bsd-license
 [3] http://www.w3.org/2004/10/27-testcases
@@ skipping 679 matching lines @@
 
     /*
      * Return true if object is probably a Node object.
      */
     function is_node(object)
     {
         // I use duck-typing instead of instanceof, because
         // instanceof doesn't work if the node is from another window (like an
         // iframe's contentWindow):
         // http://www.w3.org/Bugs/Public/show_bug.cgi?id=12295
-        if ("nodeType" in object &&
-            "nodeName" in object &&
-            "nodeValue" in object &&
-            "childNodes" in object) {
+        try {
+            var has_node_properties = ("nodeType" in object &&
+                                       "nodeName" in object &&
+                                       "nodeValue" in object &&
+                                       "childNodes" in object);
+        } catch (e) {
+            // We're probably cross-origin, which means we aren't a node
+            return false;
+        }
+
+        if (has_node_properties) {
             try {
                 object.nodeType;
             } catch (e) {
                 // The object is probably Node.prototype or another prototype
                 // object that inherits from it, and not a Node instance.
                 return false;
             }
             return true;
         }
         return false;
     }
 
+    var replacements = {
+        "0": "0",
+        "1": "x01",
+        "2": "x02",
+        "3": "x03",
+        "4": "x04",
+        "5": "x05",
+        "6": "x06",
+        "7": "x07",
+        "8": "b",
+        "9": "t",
+        "10": "n",
+        "11": "v",
+        "12": "f",
+        "13": "r",
+        "14": "x0e",
+        "15": "x0f",
+        "16": "x10",
+        "17": "x11",
+        "18": "x12",
+        "19": "x13",
+        "20": "x14",
+        "21": "x15",
+        "22": "x16",
+        "23": "x17",
+        "24": "x18",
+        "25": "x19",
+        "26": "x1a",
+        "27": "x1b",
+        "28": "x1c",
+        "29": "x1d",
+        "30": "x1e",
+        "31": "x1f",
+        "0xfffd": "ufffd",
+        "0xfffe": "ufffe",
+        "0xffff": "uffff",
+    };
+
     /*
      * Convert a value to a nice, human-readable string
      */
     function format_value(val, seen)
     {
         if (!seen) {
             seen = [];
         }
         if (typeof val === "object" && val !== null) {
             if (seen.indexOf(val) >= 0) {
                 return "[...]";
             }
             seen.push(val);
         }
         if (Array.isArray(val)) {
             return "[" + val.map(function(x) {return format_value(x, seen);}).join(", ") + "]";
         }
 
         switch (typeof val) {
         case "string":
             val = val.replace("\\", "\\\\");
-            for (var i = 0; i < 32; i++) {
-                var replace = "\\";
-                switch (i) {
-                case 0: replace += "0"; break;
-                case 1: replace += "x01"; break;
-                case 2: replace += "x02"; break;
-                case 3: replace += "x03"; break;
-                case 4: replace += "x04"; break;
-                case 5: replace += "x05"; break;
-                case 6: replace += "x06"; break;
-                case 7: replace += "x07"; break;
-                case 8: replace += "b"; break;
-                case 9: replace += "t"; break;
-                case 10: replace += "n"; break;
-                case 11: replace += "v"; break;
-                case 12: replace += "f"; break;
-                case 13: replace += "r"; break;
-                case 14: replace += "x0e"; break;
-                case 15: replace += "x0f"; break;
-                case 16: replace += "x10"; break;
-                case 17: replace += "x11"; break;
-                case 18: replace += "x12"; break;
-                case 19: replace += "x13"; break;
-                case 20: replace += "x14"; break;
-                case 21: replace += "x15"; break;
-                case 22: replace += "x16"; break;
-                case 23: replace += "x17"; break;
-                case 24: replace += "x18"; break;
-                case 25: replace += "x19"; break;
-                case 26: replace += "x1a"; break;
-                case 27: replace += "x1b"; break;
-                case 28: replace += "x1c"; break;
-                case 29: replace += "x1d"; break;
-                case 30: replace += "x1e"; break;
-                case 31: replace += "x1f"; break;
-                }
-                val = val.replace(RegExp(String.fromCharCode(i), "g"), replace);
+            for (var p in replacements) {
+                var replace = "\\" + replacements[p];
+                val = val.replace(RegExp(String.fromCharCode(p), "g"), replace);
             }
             return '"' + val.replace(/"/g, '\\"') + '"';
         case "boolean":
         case "undefined":
             return String(val);
         case "number":
             // In JavaScript, -0 === 0 and String(-0) == "0", so we have to
             // special-case.
             if (val === -0 && 1/val === -Infinity) {
                 return "-0";
@@ skipping 27 matching lines @@
                     return "DocumentType node";
                 case Node.DOCUMENT_FRAGMENT_NODE:
                     return "DocumentFragment node with " + val.childNodes.length + (val.childNodes.length == 1 ? " child" : " children");
                 default:
                     return "Node object of unknown type";
                 }
             }
 
         /* falls through */
         default:
-            return typeof val + ' "' + truncate(String(val), 60) + '"';
+            try {
+                return typeof val + ' "' + truncate(String(val), 60) + '"';
+            } catch(e) {
+                return ("[stringifying object threw " + String(e) +
+                        " with type " + String(typeof e) + "]");
+            }
         }
     }
     expose(format_value, "format_value");
 
     /*
      * Assertions
      */
 
     function assert_true(actual, description)
     {
@@ skipping 599 matching lines @@
         return this.step_func(function() {
             assert_unreached(description);
         });
     };
 
     Test.prototype.step_timeout = function(f, timeout) {
         var test_this = this;
         var args = Array.prototype.slice.call(arguments, 2);
         return setTimeout(this.step_func(function() {
             return f.apply(test_this, args);
-        }, timeout * tests.timeout_multiplier));
+        }), timeout * tests.timeout_multiplier);
     }
 
     Test.prototype.add_cleanup = function(callback) {
         this.cleanup_callbacks.push(callback);
     };
 
     Test.prototype.force_timeout = function() {
         this.set_status(this.TIMEOUT);
         this.phase = this.phases.HAS_RESULT;
     };
@@ skipping 1198 matching lines @@
             tests.status.status = tests.status.ERROR;
             tests.status.message = e.message;
             tests.status.stack = e.stack;
         }
     });
 
     test_environment.on_tests_ready();
 
 })();
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