Add m-esr52 at 52.6.0

6 files changed, 223 insertions, 0 deletions

diff --git a/dom/json/test/unit/decodeFromStream-01.json b/dom/json/test/unit/decodeFromStream-01.json
new file mode 100644
index 000000000..258658753
--- /dev/null
+++ b/dom/json/test/unit/decodeFromStream-01.json
@@ -0,0 +1,7 @@
+{
+    "JSON Test Pattern pass3": {
+        "The outermost value": "must be an object or array.",
+        "In this test": "It is an object."
+    }
+}
+
diff --git a/dom/json/test/unit/decodeFromStream-small.json b/dom/json/test/unit/decodeFromStream-small.json
new file mode 100644
index 000000000..9e26dfeeb
--- /dev/null
+++ b/dom/json/test/unit/decodeFromStream-small.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/dom/json/test/unit/test_decodeFromStream.js b/dom/json/test/unit/test_decodeFromStream.js
new file mode 100644
index 000000000..eb30d2619
--- /dev/null
+++ b/dom/json/test/unit/test_decodeFromStream.js
@@ -0,0 +1,29 @@
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+var nativeJSON = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON);
+
+function run_test()
+{
+  function read_file(path)
+  {
+    try
+    {
+      var f = do_get_file(path);
+      var istream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(Ci.nsIFileInputStream);
+      istream.init(f, -1, -1, false);
+      return nativeJSON.decodeFromStream(istream, istream.available());
+    }
+    finally
+    {
+      istream.close();
+    }
+  }
+
+  var x = read_file("decodeFromStream-01.json");
+  do_check_eq(x["JSON Test Pattern pass3"]["The outermost value"], "must be an object or array.");
+  do_check_eq(x["JSON Test Pattern pass3"]["In this test"], "It is an object.");
+
+  x = read_file("decodeFromStream-small.json");
+  do_check_eq(x.toSource(), "({})", "empty object parsed");
+}
diff --git a/dom/json/test/unit/test_decode_long_input.js b/dom/json/test/unit/test_decode_long_input.js
new file mode 100644
index 000000000..c7a40c784
--- /dev/null
+++ b/dom/json/test/unit/test_decode_long_input.js
@@ -0,0 +1,32 @@
+// This tests breaking long input across parser buffers
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+var nativeJSON = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON);
+
+var x = {"Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"2Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"3Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"6Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"7Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"8Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"9Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"10Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"11Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"12Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"13Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"14Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"15Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"16Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"17Lorem ipsum his ponderum delicatissimi ne, at noster dolores urbanitas pro, cibo elaboraret no his. Ea dicunt maiorum usu. Ad appareat facilisis mediocritatem eos. Tale graeci mentitum in eos, hinc insolens at nam. Graecis nominavi aliquyam eu vix.":"Id solet assentior sadipscing pro. Et per atqui graecis, usu quot viris repudiandae ei, mollis evertitur an nam. At nam dolor ignota, liber labore omnesque ea mei, has movet voluptaria in. Vel an impetus omittantur. Vim movet option salutandi ex, ne mei ignota corrumpit. Mucius comprehensam id per. Est ea putant maiestatis.",
+"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz":"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabc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+}
+
+var y = nativeJSON.encode(x);
+var z = nativeJSON.decode(y);
+
+function run_test()
+{
+  for (var i in x)
+    do_check_eq(x[i], z[i]);
+}
diff --git a/dom/json/test/unit/test_encode.js b/dom/json/test/unit/test_encode.js
new file mode 100644
index 000000000..88907efa3
--- /dev/null
+++ b/dom/json/test/unit/test_encode.js
@@ -0,0 +1,143 @@
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+
+var nativeJSON = Cc["@mozilla.org/dom/json;1"].createInstance(Ci.nsIJSON);
+
+var dirSvc = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties);
+var workingDir = dirSvc.get("TmpD", Ci.nsIFile);
+
+var outputName = "json-test-output";
+var outputDir = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
+outputDir.initWithFile(workingDir);
+outputDir.append(outputName);
+
+if (!outputDir.exists()) {
+  outputDir.create(Ci.nsIFile.DIRECTORY_TYPE, 0o777);
+} else if (!outputDir.isDirectory()) {
+  do_throw(outputName + " is not a directory?")
+}
+
+function testStringEncode()
+{
+  var obj1 = {a:1};
+  var obj2 = {foo:"bar"};
+  do_check_eq(nativeJSON.encode(obj1), '{"a":1}');
+  do_check_eq(nativeJSON.encode(obj2), '{"foo":"bar"}');
+
+  do_check_eq(nativeJSON.encode(), null);
+
+  // useless roots are dropped
+  do_check_eq(nativeJSON.encode(null), null);
+  do_check_eq(nativeJSON.encode(""), null);
+  do_check_eq(nativeJSON.encode(undefined), null);
+  do_check_eq(nativeJSON.encode(5), null);
+  do_check_eq(nativeJSON.encode(function(){}), null);
+  do_check_eq(nativeJSON.encode(dump), null);
+
+  // All other testing should occur in js/src/tests/ecma_5/JSON/ using
+  // the otherwise-exactly-identical JSON.stringify.
+}
+
+function testToJSON() {
+  var obj1 = {a:1};
+  var obj2 = {foo:"bar"};
+  do_check_eq(nativeJSON.encode({toJSON: () => obj1}), '{"a":1}');
+  do_check_eq(nativeJSON.encode({toJSON: () => obj2}), '{"foo":"bar"}');
+  
+  do_check_eq(nativeJSON.encode({toJSON: () => null}), null);
+  do_check_eq(nativeJSON.encode({toJSON: () => ""}), null);
+  do_check_eq(nativeJSON.encode({toJSON: () => undefined }), null);
+  do_check_eq(nativeJSON.encode({toJSON: () => 5}), null);
+  do_check_eq(nativeJSON.encode({toJSON: () => function(){}}), null);
+  do_check_eq(nativeJSON.encode({toJSON: () => dump}), null);
+}
+
+function testThrowingToJSON() {
+  var obj1 = {
+    "b": 1,
+    "c": 2,
+    toJSON: function() { throw("uh oh"); }
+  };
+  try {
+    var y = nativeJSON.encode(obj1);
+    throw "didn't throw";
+  } catch (ex) {
+    do_check_eq(ex, "uh oh");
+  }
+
+  var obj2 = {
+    "b": 1,
+    "c": 2,
+    get toJSON() { throw("crash and burn"); }
+  };
+  try {
+    var y = nativeJSON.encode(obj2);
+    throw "didn't throw";
+  } catch (ex) {
+    do_check_eq(ex, "crash and burn");
+  }
+}
+
+function testOutputStreams() {
+  function writeToFile(obj, charset, writeBOM) {
+    var jsonFile = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsILocalFile);
+    jsonFile.initWithFile(outputDir);
+    jsonFile.append("test.json");
+    jsonFile.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
+    var stream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
+    try {
+      stream.init(jsonFile, 0x04 | 0x08 | 0x20, 0o600, 0); // write, create, truncate
+      nativeJSON.encodeToStream(stream, charset, writeBOM, obj);
+    } finally {
+      stream.close();
+    }
+    return jsonFile;
+  }
+
+  var pairs = [
+    ["{}", {}],
+    ['{"foo":"bar"}', {"foo":"bar"}],
+    ['{"null":null}', {"null":null}],
+    ['{"five":5}', {"five":5}],
+    ['{"true":true}', {"true":true}],
+    ['{"x":{"y":"z"}}', {"x":{"y":"z"}}],
+    ['{"w":{"x":{"y":"z"}}}', {"w":{"x":{"y":"z"}}}],
+    ["[]", []],
+    ['[1,2,3]', [1,2,3]],
+    ['[1,null,3]',[1,,3]],
+  ];
+  for (var i = 0; i < pairs.length; i++)
+  {
+    var pair = pairs[i];
+    if (pair[1] && (typeof pair[1] == "object")) {
+      var utf8File = writeToFile(pair[1], "UTF-8", false);
+      var utf16LEFile = writeToFile(pair[1], "UTF-16LE", false);
+      var utf16BEFile = writeToFile(pair[1], "UTF-16BE", false);
+
+      // all ascii with no BOMs, so this will work
+      do_check_eq(utf16LEFile.fileSize / 2, utf8File.fileSize);
+      do_check_eq(utf16LEFile.fileSize, utf16BEFile.fileSize);
+    }
+  }
+
+  // check BOMs
+  // the clone() calls are there to work around -- bug 410005
+  var f = writeToFile({},"UTF-8", true).clone();
+  do_check_eq(f.fileSize, 5);
+  var f = writeToFile({},"UTF-16LE", true).clone();
+  do_check_eq(f.fileSize, 6);
+  var f = writeToFile({},"UTF-16BE", true).clone();
+  do_check_eq(f.fileSize, 6);
+  
+  outputDir.remove(true);
+}
+
+function run_test()
+{
+  testStringEncode();
+  testToJSON();
+  testThrowingToJSON();
+  
+  testOutputStreams();
+  
+}
diff --git a/dom/json/test/unit/xpcshell.ini b/dom/json/test/unit/xpcshell.ini
new file mode 100644
index 000000000..68c4524a5
--- /dev/null
+++ b/dom/json/test/unit/xpcshell.ini
@@ -0,0 +1,11 @@
+[DEFAULT]
+head =
+tail =
+support-files =
+  decodeFromStream-01.json
+  decodeFromStream-small.json
+
+[test_decode_long_input.js]
+[test_decodeFromStream.js]
+[test_encode.js]
+