stringify.js - mozsearch

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function assertStringify(v, expect)

  assertEq(JSON.stringify(v), expect);

assertStringify({}, "{}");

assertStringify([], "[]");

assertStringify({"foo":"bar"}, '{"foo":"bar"}');

assertStringify({"null":null}, '{"null":null}');

assertStringify({"five":5}, '{"five":5}');

assertStringify({"five":5, "six":6}, '{"five":5,"six":6}');

assertStringify({"x":{"y":"z"}}, '{"x":{"y":"z"}}');

assertStringify({"w":{"x":{"y":"z"}}}, '{"w":{"x":{"y":"z"}}}');

assertStringify([1,2,3], '[1,2,3]');

assertStringify({"w":{"x":{"y":[1,2,3]}}}, '{"w":{"x":{"y":[1,2,3]}}}');

assertStringify({"false":false}, '{"false":false}');

assertStringify({"true":true}, '{"true":true}');

assertStringify({"child has two members": {"this":"one", 2:"and this one"}},

                '{"child has two members":{"2":"and this one","this":"one"}}');

assertStringify({"x":{"a":"b","c":{"y":"z"},"f":"g"}},

                '{"x":{"a":"b","c":{"y":"z"},"f":"g"}}');

assertStringify({"x":[1,{"y":"z"},3]}, '{"x":[1,{"y":"z"},3]}');

assertStringify([new String("hmm")], '["hmm"]');

assertStringify([new Boolean(true)], '[true]');

assertStringify([new Number(42)], '[42]');

assertStringify([new Date(Date.UTC(1978, 8, 13, 12, 24, 34, 23))],

                '["1978-09-13T12:24:34.023Z"]');

assertStringify([1,,3], '[1,null,3]');

assertStringify({"mm\"mm":"hmm"}, '{"mm\\\"mm":"hmm"}');

assertStringify({"mm\"mm\"mm":"hmm"}, '{"mm\\\"mm\\\"mm":"hmm"}');

assertStringify({'"':"hmm"}, '{"\\\"":"hmm"}');

assertStringify({'\\':"hmm"}, '{"\\\\":"hmm"}');

assertStringify({'mmm\\mmm':"hmm"}, '{"mmm\\\\mmm":"hmm"}');

assertStringify({'mmm\\mmm\\mmm':"hmm"}, '{"mmm\\\\mmm\\\\mmm":"hmm"}');

assertStringify({"mm\u000bmm":"hmm"}, '{"mm\\u000bmm":"hmm"}');

assertStringify({"mm\u0000mm":"hmm"}, '{"mm\\u0000mm":"hmm"}');

assertStringify({"\u0000\u000b":""}, '{"\\u0000\\u000b":""}');

assertStringify({"\u000b\ufdfd":"hmm"}, '{"\\u000b\ufdfd":"hmm"}');

assertStringify({"\u000b\ufdfd":"h\xfc\ufdfdm"}, '{"\\u000b\ufdfd":"h\xfc\ufdfdm"}');

var x = {"free":"variable"};

assertStringify(x, '{"free":"variable"}');

assertStringify({"y":x}, '{"y":{"free":"variable"}}');

// array prop

assertStringify({ a: [1,2,3] }, '{"a":[1,2,3]}');

assertStringify({"y": { foo: function(hmm) { return hmm; } } }, '{"y":{}}');

// test toJSON

var hmm = { toJSON: function() { return {"foo":"bar"} } };

assertStringify({"hmm":hmm}, '{"hmm":{"foo":"bar"}}');

assertStringify(hmm, '{"foo":"bar"}'); // on the root

// toJSON on prototype

var Y = function() {

  this.not = "there?";

  this.d = "e";

};

Y.prototype = {

  not: "there?",

  toJSON: function() { return {"foo":"bar"}}

};

var y = new Y();

assertStringify(y.toJSON(), '{"foo":"bar"}');

assertStringify(y, '{"foo":"bar"}');

// return undefined from toJSON

assertStringify({"hmm": { toJSON: function() { return; } } }, '{}');

// array with named prop

var x = new Array();

x[0] = 1;

x.foo = "bar";

assertStringify(x, '[1]');

// prototype

var X = function() { this.a = "b" };

X.prototype = { c: "d" };

assertStringify(new X(), '{"a":"b"}');

/******************************************************************************/

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");