| // Copyright 2009 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| function GenericToJSONChecks(Constructor, value, alternative) { |
| var n1 = new Constructor(value); |
| n1.valueOf = function () { return alternative; }; |
| assertEquals(alternative, n1.toJSON()); |
| var n2 = new Constructor(value); |
| n2.valueOf = null; |
| assertThrows(function () { n2.toJSON(); }, TypeError); |
| var n3 = new Constructor(value); |
| n3.valueOf = function () { return {}; }; |
| assertThrows(function () { n3.toJSON(); }, TypeError, 'result_not_primitive'); |
| var n4 = new Constructor(value); |
| n4.valueOf = function () { |
| assertEquals(0, arguments.length); |
| assertEquals(this, n4); |
| return null; |
| }; |
| assertEquals(null, n4.toJSON()); |
| } |
| |
| // Number toJSON |
| assertEquals(3, (3).toJSON()); |
| assertEquals(3, (3).toJSON(true)); |
| assertEquals(4, (new Number(4)).toJSON()); |
| GenericToJSONChecks(Number, 5, 6); |
| |
| // Boolean toJSON |
| assertEquals(true, (true).toJSON()); |
| assertEquals(true, (true).toJSON(false)); |
| assertEquals(false, (false).toJSON()); |
| assertEquals(true, (new Boolean(true)).toJSON()); |
| GenericToJSONChecks(Boolean, true, false); |
| GenericToJSONChecks(Boolean, false, true); |
| |
| // String toJSON |
| assertEquals("flot", "flot".toJSON()); |
| assertEquals("flot", "flot".toJSON(3)); |
| assertEquals("tolf", (new String("tolf")).toJSON()); |
| GenericToJSONChecks(String, "x", "y"); |
| |
| // Date toJSON |
| assertEquals("1970-01-01T00:00:00Z", new Date(0).toJSON()); |
| assertEquals("1979-01-11T08:00:00Z", new Date("1979-01-11 08:00 GMT").toJSON()); |
| assertEquals("2005-05-05T05:05:05Z", new Date("2005-05-05 05:05:05 GMT").toJSON()); |
| var n1 = new Date(10000); |
| n1.toISOString = function () { return "foo"; }; |
| assertEquals("foo", n1.toJSON()); |
| var n2 = new Date(10001); |
| n2.toISOString = null; |
| assertThrows(function () { n2.toJSON(); }, TypeError); |
| var n3 = new Date(10002); |
| n3.toISOString = function () { return {}; }; |
| assertThrows(function () { n3.toJSON(); }, TypeError, "result_not_primitive"); |
| var n4 = new Date(10003); |
| n4.toISOString = function () { |
| assertEquals(0, arguments.length); |
| assertEquals(this, n4); |
| return null; |
| }; |
| assertEquals(null, n4.toJSON()); |
| |
| assertEquals(Object.prototype, JSON.__proto__); |
| assertEquals("[object JSON]", Object.prototype.toString.call(JSON)); |
| |
| // DontEnum |
| for (var p in this) |
| assertFalse(p == "JSON"); |
| |
| // Parse |
| |
| assertEquals({}, JSON.parse("{}")); |
| assertEquals(null, JSON.parse("null")); |
| assertEquals(true, JSON.parse("true")); |
| assertEquals(false, JSON.parse("false")); |
| assertEquals("foo", JSON.parse('"foo"')); |
| assertEquals("f\no", JSON.parse('"f\\no"')); |
| assertEquals(1.1, JSON.parse("1.1")); |
| assertEquals(1, JSON.parse("1.0")); |
| assertEquals(0.0000000003, JSON.parse("3e-10")); |
| assertEquals([], JSON.parse("[]")); |
| assertEquals([1], JSON.parse("[1]")); |
| assertEquals([1, "2", true, null], JSON.parse('[1, "2", true, null]')); |
| |
| function GetFilter(name) { |
| function Filter(key, value) { |
| return (key == name) ? undefined : value; |
| } |
| return Filter; |
| } |
| |
| var pointJson = '{"x": 1, "y": 2}'; |
| assertEquals({'x': 1, 'y': 2}, JSON.parse(pointJson)); |
| assertEquals({'x': 1}, JSON.parse(pointJson, GetFilter('y'))); |
| assertEquals({'y': 2}, JSON.parse(pointJson, GetFilter('x'))); |
| assertEquals([1, 2, 3], JSON.parse("[1, 2, 3]")); |
| assertEquals([1, undefined, 3], JSON.parse("[1, 2, 3]", GetFilter(1))); |
| assertEquals([1, 2, undefined], JSON.parse("[1, 2, 3]", GetFilter(2))); |
| |
| function DoubleNumbers(key, value) { |
| return (typeof value == 'number') ? 2 * value : value; |
| } |
| |
| var deepObject = '{"a": {"b": 1, "c": 2}, "d": {"e": {"f": 3}}}'; |
| assertEquals({"a": {"b": 1, "c": 2}, "d": {"e": {"f": 3}}}, |
| JSON.parse(deepObject)); |
| assertEquals({"a": {"b": 2, "c": 4}, "d": {"e": {"f": 6}}}, |
| JSON.parse(deepObject, DoubleNumbers)); |
| |
| function TestInvalid(str) { |
| assertThrows(function () { JSON.parse(str); }, SyntaxError); |
| } |
| |
| TestInvalid('abcdef'); |
| TestInvalid('isNaN()'); |
| TestInvalid('{"x": [1, 2, deepObject]}'); |
| TestInvalid('[1, [2, [deepObject], 3], 4]'); |
| TestInvalid('function () { return 0; }'); |
| |
| TestInvalid("[1, 2"); |
| TestInvalid('{"x": 3'); |
| |
| // Stringify |
| |
| assertEquals("true", JSON.stringify(true)); |
| assertEquals("false", JSON.stringify(false)); |
| assertEquals("null", JSON.stringify(null)); |
| assertEquals("false", JSON.stringify({toJSON: function () { return false; }})); |
| assertEquals("4", JSON.stringify(4)); |
| assertEquals('"foo"', JSON.stringify("foo")); |
| assertEquals("null", JSON.stringify(Infinity)); |
| assertEquals("null", JSON.stringify(-Infinity)); |
| assertEquals("null", JSON.stringify(NaN)); |
| assertEquals("4", JSON.stringify(new Number(4))); |
| assertEquals('"bar"', JSON.stringify(new String("bar"))); |
| |
| assertEquals('"foo\\u0000bar"', JSON.stringify("foo\0bar")); |
| assertEquals('"f\\"o\'o\\\\b\\ba\\fr\\nb\\ra\\tz"', |
| JSON.stringify("f\"o\'o\\b\ba\fr\nb\ra\tz")); |
| |
| assertEquals("[1,2,3]", JSON.stringify([1, 2, 3])); |
| assertEquals("[\n 1,\n 2,\n 3\n]", JSON.stringify([1, 2, 3], null, 1)); |
| assertEquals("[\n 1,\n 2,\n 3\n]", JSON.stringify([1, 2, 3], null, 2)); |
| assertEquals("[\n 1,\n 2,\n 3\n]", |
| JSON.stringify([1, 2, 3], null, new Number(2))); |
| assertEquals("[\n^1,\n^2,\n^3\n]", JSON.stringify([1, 2, 3], null, "^")); |
| assertEquals("[\n^1,\n^2,\n^3\n]", |
| JSON.stringify([1, 2, 3], null, new String("^"))); |
| assertEquals("[\n 1,\n 2,\n [\n 3,\n [\n 4\n ],\n 5\n ],\n 6,\n 7\n]", |
| JSON.stringify([1, 2, [3, [4], 5], 6, 7], null, 1)); |
| assertEquals("[]", JSON.stringify([], null, 1)); |
| assertEquals("[1,2,[3,[4],5],6,7]", |
| JSON.stringify([1, 2, [3, [4], 5], 6, 7], null)); |
| assertEquals("[2,4,[6,[8],10],12,14]", |
| JSON.stringify([1, 2, [3, [4], 5], 6, 7], DoubleNumbers)); |
| |
| var circular = [1, 2, 3]; |
| circular[2] = circular; |
| assertThrows(function () { JSON.stringify(circular); }, TypeError); |
| |
| var singleton = []; |
| var multiOccurrence = [singleton, singleton, singleton]; |
| assertEquals("[[],[],[]]", JSON.stringify(multiOccurrence)); |
| |
| assertEquals('{"x":5,"y":6}', JSON.stringify({x:5,y:6})); |
| assertEquals('{"x":5}', JSON.stringify({x:5,y:6}, ['x'])); |
| assertEquals('{\n "a": "b",\n "c": "d"\n}', |
| JSON.stringify({a:"b",c:"d"}, null, 1)); |
| assertEquals('{"y":6,"x":5}', JSON.stringify({x:5,y:6}, ['y', 'x'])); |
| |
| assertEquals(undefined, JSON.stringify(undefined)); |
| assertEquals(undefined, JSON.stringify(function () { })); |
| |
| function checkIllegal(str) { |
| assertThrows(function () { JSON.parse(str); }, SyntaxError); |
| } |
| |
| checkIllegal('1); throw "foo"; (1'); |
| |
| var x = 0; |
| eval("(1); x++; (1)"); |
| checkIllegal('1); x++; (1'); |