10 files changed, 289 insertions, 0 deletions
diff --git a/js/src/tests/non262/Error/AggregateError.js b/js/src/tests/non262/Error/AggregateError.js
new file mode 100644
index 0000000000..81cf04e9d1
--- /dev/null
+++ b/js/src/tests/non262/Error/AggregateError.js
@@ -0,0 +1,82 @@
+// |reftest| skip-if(release_or_beta)
+
+assertEq(typeof AggregateError, "function");
+assertEq(Object.getPrototypeOf(AggregateError), Error);
+assertEq(AggregateError.name, "AggregateError");
+assertEq(AggregateError.length, 2);
+
+assertEq(Object.getPrototypeOf(AggregateError.prototype), Error.prototype);
+assertEq(AggregateError.prototype.name, "AggregateError");
+assertEq(AggregateError.prototype.message, "");
+
+// The |errors| argument is mandatory.
+assertThrowsInstanceOf(() => new AggregateError(), TypeError);
+assertThrowsInstanceOf(() => AggregateError(), TypeError);
+
+// The .errors data property is an array object.
+{
+  let err = new AggregateError([]);
+
+  let {errors} = err;
+  assertEq(Array.isArray(errors), true);
+  assertEq(errors.length, 0);
+
+  // The errors object is modifiable.
+  errors.push(123);
+  assertEq(errors.length, 1);
+  assertEq(errors[0], 123);
+  assertEq(err.errors[0], 123);
+
+  // The property is writable.
+  err.errors = undefined;
+  assertEq(err.errors, undefined);
+}
+
+// The errors argument can be any iterable.
+{
+  function* g() { yield* [1, 2, 3]; }
+
+  let {errors} = new AggregateError(g());
+  assertEqArray(errors, [1, 2, 3]);
+}
+
+// The message property is populated by the second argument.
+{
+  let err;
+
+  err = new AggregateError([]);
+  assertEq(err.message, "");
+
+  err = new AggregateError([], "my message");
+  assertEq(err.message, "my message");
+}
+
+{
+  assertEq("errors" in AggregateError.prototype, false);
+
+  const {
+    configurable,
+    enumerable,
+    value,
+    writable
+  } = Object.getOwnPropertyDescriptor(new AggregateError([]), "errors");
+  assertEq(configurable, true);
+  assertEq(enumerable, false);
+  assertEq(writable, true);
+  assertEq(value.length, 0);
+
+  const g = newGlobal();
+
+  let obj = {};
+  let errors = new g.AggregateError([obj]).errors;
+
+  assertEq(errors.length, 1);
+  assertEq(errors[0], obj);
+
+  // The prototype is |g.Array.prototype| in the cross-compartment case.
+  let proto = Object.getPrototypeOf(errors);
+  assertEq(proto === g.Array.prototype, true);
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);
diff --git a/js/src/tests/non262/Error/browser.js b/js/src/tests/non262/Error/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/non262/Error/browser.js
diff --git a/js/src/tests/non262/Error/constructor-ordering.js b/js/src/tests/non262/Error/constructor-ordering.js
new file mode 100644
index 0000000000..dbcc2e6048
--- /dev/null
+++ b/js/src/tests/non262/Error/constructor-ordering.js
@@ -0,0 +1,17 @@
+var order = 0;
+function assertOrdering(ordering) {
+    assertEq(order, ordering);
+    order++;
+}
+
+// Spec mandates that the prototype is looked up /before/ we toString the
+// argument.
+var handler = { get() { assertOrdering(0); return Error.prototype } };
+var errorProxy = new Proxy(Error, handler);
+
+var toStringable = { toString() { assertOrdering(1); return "Argument"; } };
+
+new errorProxy(toStringable);
+
+if (typeof reportCompare === 'function')
+    reportCompare(0,0,"OK");
diff --git a/js/src/tests/non262/Error/constructor-proto.js b/js/src/tests/non262/Error/constructor-proto.js
new file mode 100644
index 0000000000..4ddc6025e8
--- /dev/null
+++ b/js/src/tests/non262/Error/constructor-proto.js
@@ -0,0 +1,17 @@
+const nativeErrors = [
+    InternalError,
+    EvalError,
+    RangeError,
+    ReferenceError,
+    SyntaxError,
+    TypeError,
+    URIError
+];
+
+assertEq(Reflect.getPrototypeOf(Error), Function.prototype)
+
+for (const error of nativeErrors)
+    assertEq(Reflect.getPrototypeOf(error), Error);
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0);
diff --git a/js/src/tests/non262/Error/prototype-properties.js b/js/src/tests/non262/Error/prototype-properties.js
new file mode 100644
index 0000000000..16264bc56d
--- /dev/null
+++ b/js/src/tests/non262/Error/prototype-properties.js
@@ -0,0 +1,26 @@
+const nativeErrors = [
+    InternalError,
+    EvalError,
+    RangeError,
+    ReferenceError,
+    SyntaxError,
+    TypeError,
+    URIError
+];
+
+const expectedOwnKeys = "toSource" in Object.prototype
+                        ? "toSource,toString,message,name,stack,constructor"
+                        : "toString,message,name,stack,constructor";
+assertEq(Reflect.ownKeys(Error.prototype).toString(), expectedOwnKeys);
+assertEq(Error.prototype.name, "Error");
+assertEq(Error.prototype.message, "");
+
+for (const error of nativeErrors) {
+    assertEq(Reflect.ownKeys(error.prototype).toString(), "message,name,constructor");
+    assertEq(error.prototype.name, error.name);
+    assertEq(error.prototype.message, "");
+    assertEq(error.prototype.constructor, error);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0);
diff --git a/js/src/tests/non262/Error/prototype.js b/js/src/tests/non262/Error/prototype.js
new file mode 100644
index 0000000000..b22a8e084b
--- /dev/null
+++ b/js/src/tests/non262/Error/prototype.js
@@ -0,0 +1,18 @@
+const nativeErrors = [
+    InternalError,
+    EvalError,
+    RangeError,
+    ReferenceError,
+    SyntaxError,
+    TypeError,
+    URIError
+];
+
+assertEq(Reflect.getPrototypeOf(Error.prototype), Object.prototype)
+
+for (const error of nativeErrors) {
+    assertEq(Reflect.getPrototypeOf(error.prototype), Error.prototype);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0);
diff --git a/js/src/tests/non262/Error/regress-354246.js b/js/src/tests/non262/Error/regress-354246.js
new file mode 100644
index 0000000000..644bcba106
--- /dev/null
+++ b/js/src/tests/non262/Error/regress-354246.js
@@ -0,0 +1,34 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 354246;
+var summary = 'calling Error constructor with object with bad toString';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  expect = '13';
+
+  actual += '1';
+  try
+  {
+    new Error({toString: function() { x.y } });
+  }
+  catch(e)
+  {
+  }
+  actual += '3';
+  reportCompare(expect, actual, summary);
+}
diff --git a/js/src/tests/non262/Error/regress-412324.js b/js/src/tests/non262/Error/regress-412324.js
new file mode 100644
index 0000000000..d9debaa896
--- /dev/null
+++ b/js/src/tests/non262/Error/regress-412324.js
@@ -0,0 +1,17 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 412324;
+var summary = 'Allow function Error(){} for the love of Pete';
+var actual = 'No Error';
+var expect = 'No Error';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+function Error() {}
+
+reportCompare(expect, actual, summary);
diff --git a/js/src/tests/non262/Error/regress-465377.js b/js/src/tests/non262/Error/regress-465377.js
new file mode 100644
index 0000000000..ea7be79f98
--- /dev/null
+++ b/js/src/tests/non262/Error/regress-465377.js
@@ -0,0 +1,78 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 465377;
+var summary = 'instanceof relations between Error objects';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  expect = actual = 'No Exception';
+
+  try
+  {
+    var list = [
+      "Error",
+      "InternalError",
+      "EvalError",
+      "RangeError",
+      "ReferenceError",
+      "SyntaxError",
+      "TypeError",
+      "URIError"
+      ];
+    var instances = [];
+
+    for (var i = 0; i != list.length; ++i) {
+      var name = list[i];
+      var constructor = this[name];
+      var tmp = constructor.name;
+      if (tmp !== name)
+        throw "Bad value for "+name+".name: "+String(tmp);
+      instances[i] = new constructor();
+    }
+
+    for (var i = 0; i != instances.length; ++i) {
+      var instance = instances[i];
+      var name = instance.name;
+      var constructor = instance.constructor;
+      var tmp = constructor.name;
+      if (constructor !== this[name])
+        throw "Bad value of (new "+name+").constructor: "+String(tmp);
+      if (tmp !== name)
+        throw "Bad value for constructor.name: "+String(tmp);
+      if (!(instance instanceof Object))
+        throw "Bad instanceof Object for "+name;
+      if (!(instance instanceof Error))
+        throw "Bad instanceof Error for "+name;
+      if (!(instance instanceof constructor))
+        throw "Bad instanceof constructor for "+name;
+      if (instance instanceof Function)
+        throw "Bad instanceof Function for "+name;
+      for (var j = 1; j != instances.length; ++j) {
+        if (i != j && instance instanceof instances[j].constructor) {
+          throw "Unexpected (new "+name+") instanceof "+ instances[j].name;
+        }
+      }
+    }
+
+    print("OK");
+  }
+  catch(ex)
+  {
+    actual = ex + '';
+  }
+  reportCompare(expect, actual, summary);
+}
diff --git a/js/src/tests/non262/Error/shell.js b/js/src/tests/non262/Error/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/non262/Error/shell.js