michael@0: // Ported from dom/src/json/test/unit/test_replacer.js
michael@0: 
michael@0: /**
michael@0:  * These return* functions are used by the
michael@0:  * replacer tests taken from bug 512447
michael@0:  */
michael@0: function returnObjectFor1(k, v)
michael@0: {
michael@0:   if (k == "1")
michael@0:     return {};
michael@0:   return v;
michael@0: }
michael@0: function returnArrayFor1(k, v)
michael@0: {
michael@0:   if (k == "1")
michael@0:     return [];
michael@0:   return v;
michael@0: }
michael@0: function returnNullFor1(k, v)
michael@0: {
michael@0:   if (k == "1")
michael@0:     return null;
michael@0:   return v;
michael@0: }
michael@0: function returnStringForUndefined(k, v)
michael@0: {
michael@0:   if (v === undefined)
michael@0:     return "undefined value";
michael@0:   return v;
michael@0: }
michael@0: var cycleObject = {}; cycleObject.cycle = cycleObject;
michael@0: function returnCycleObjectFor1(k, v)
michael@0: {
michael@0:   if (k == "1")
michael@0:     return cycleObject;
michael@0:   return v;
michael@0: }
michael@0: var array = [0, 1, 2]; array[3] = array;
michael@0: function returnCycleArrayFor1(k, v)
michael@0: {
michael@0:   if (k == "1")
michael@0:     return array;
michael@0:   return v;
michael@0: }
michael@0: 
michael@0: // BEGIN TEST
michael@0: var x;
michael@0: 
michael@0: x = JSON.stringify({ key: 2 },
michael@0:                    function(k,v) { return k ? undefined : v; });
michael@0: assertEq(x, "{}");
michael@0: 
michael@0: x = JSON.stringify(["hmm", "hmm"],
michael@0:                    function(k,v) { return k !== "" ? undefined : v; });
michael@0: assertEq(x, "[null,null]");
michael@0: 
michael@0: var foo = ["hmm"];
michael@0: function censor(k, v)
michael@0: {
michael@0:   if (v !== foo)
michael@0:     return "XXX";
michael@0:   return v;
michael@0: }
michael@0: x = JSON.stringify(foo, censor);
michael@0: assertEq(x, '["XXX"]');
michael@0: 
michael@0: foo = ["bar", ["baz"], "qux"];
michael@0: x = JSON.stringify(foo, censor);
michael@0: assertEq(x, '["XXX","XXX","XXX"]');
michael@0: 
michael@0: function censor2(k, v)
michael@0: {
michael@0:   if (typeof(v) == "string")
michael@0:     return "XXX";
michael@0:   return v;
michael@0: }
michael@0: 
michael@0: foo = ["bar", ["baz"], "qux"];
michael@0: x = JSON.stringify(foo, censor2);
michael@0: assertEq(x, '["XXX",["XXX"],"XXX"]');
michael@0: 
michael@0: foo = { bar: 42, qux: 42, quux: 42 };
michael@0: x = JSON.stringify(foo, ["bar"]);
michael@0: assertEq(x, '{"bar":42}');
michael@0: 
michael@0: foo = {bar: {bar: 42, schmoo:[]}, qux: 42, quux: 42};
michael@0: x = JSON.stringify(foo, ["bar", "schmoo"]);
michael@0: assertEq(x, '{"bar":{"bar":42,"schmoo":[]}}');
michael@0: 
michael@0: x = JSON.stringify(foo, null, "");
michael@0: assertEq(x, '{"bar":{"bar":42,"schmoo":[]},"qux":42,"quux":42}');
michael@0: 
michael@0: x = JSON.stringify(foo, null, "  ");
michael@0: assertEq(x, '{\n  "bar": {\n    "bar": 42,\n    "schmoo": []\n  },\n  "qux": 42,\n  "quux": 42\n}');
michael@0: 
michael@0: foo = {bar:{bar:{}}}
michael@0: x = JSON.stringify(foo, null, "  ");
michael@0: assertEq(x, '{\n  "bar": {\n    "bar": {}\n  }\n}');
michael@0: 
michael@0: x = JSON.stringify({ x: 1, arr: [1] },
michael@0:                    function (k,v) { return typeof v === 'number' ? 3 : v; });
michael@0: assertEq(x, '{"x":3,"arr":[3]}');
michael@0: 
michael@0: foo = ['e'];
michael@0: x = JSON.stringify(foo, null, '\t');
michael@0: assertEq(x, '[\n\t"e"\n]');
michael@0: 
michael@0: foo = {0:0, 1:1, 2:2, 3:undefined};
michael@0: x = JSON.stringify(foo, returnObjectFor1);
michael@0: assertEq(x, '{"0":0,"1":{},"2":2}');
michael@0: 
michael@0: x = JSON.stringify(foo, returnArrayFor1);
michael@0: assertEq(x, '{"0":0,"1":[],"2":2}');
michael@0: 
michael@0: x = JSON.stringify(foo, returnNullFor1);
michael@0: assertEq(x, '{"0":0,"1":null,"2":2}');
michael@0: 
michael@0: x = JSON.stringify(foo, returnStringForUndefined);
michael@0: assertEq(x, '{"0":0,"1":1,"2":2,"3":"undefined value"}');
michael@0: 
michael@0: try
michael@0: {
michael@0:   JSON.stringify(foo, returnCycleObjectFor1);
michael@0:   throw new Error("no error thrown");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true, "no TypeError thrown: " + e);
michael@0: }
michael@0: 
michael@0: try
michael@0: {
michael@0:   JSON.stringify(foo, returnCycleArrayFor1);
michael@0:   throw new Error("no error thrown");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true, "no TypeError thrown: " + e);
michael@0: }
michael@0: 
michael@0: foo = [0, 1, 2, undefined];
michael@0: try
michael@0: {
michael@0:   JSON.stringify(foo, returnCycleObjectFor1);
michael@0:   throw new Error("no error thrown");
michael@0: }
michael@0: catch (e)
michael@0: {
michael@0:   assertEq(e instanceof TypeError, true, "no TypeError thrown: " + e);
michael@0: }
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete");