LayoutTests/js/script-tests/date-proto-generic-invocation.js

description("This test verifies that the functions of the Date prototype object are not generic, and the prototype is a plain object, as documented in ECMA-262 rev6 section 20.3.4 Properties of the Date Prototype Object.");

var functionNames = [
        "Date.prototype.toString",
        "Date.prototype.toDateString",
        "Date.prototype.toTimeString",
        "Date.prototype.toGMTString",
        "Date.prototype.toUTCString",
        "Date.prototype.toLocaleString",
        "Date.prototype.toLocaleDateString",
        "Date.prototype.toLocaleTimeString",
//        "Date.prototype.valueOf",           --> This line seems to confuse JavaScriptCore
        "Date.prototype.getTime",
        "Date.prototype.getYear",
        "Date.prototype.getFullYear",
        "Date.prototype.getMonth",
        "Date.prototype.getDate",
        "Date.prototype.getDay",
        "Date.prototype.getHours",
        "Date.prototype.getMinutes",
        "Date.prototype.getSeconds",
        "Date.prototype.getMilliseconds",
        "Date.prototype.getTimezoneOffset",
        "Date.prototype.setTime",
        "Date.prototype.setMilliseconds",
        "Date.prototype.setSeconds",
        "Date.prototype.setMinutes",
        "Date.prototype.setHours",
        "Date.prototype.setDate",
        "Date.prototype.setMonth",
        "Date.prototype.setFullYear",
        "Date.prototype.setYear"
    ];

var o = new Object();
for (var i = 0; i < functionNames.length; i++) {
    var testFunctionName = "o.__proto__." + functionNames[i].split('.')[2];
    eval(testFunctionName + " = " + functionNames[i]);
    shouldThrow(testFunctionName + "()", '"TypeError: Type error"');
}
for (var i = 0; i < functionNames.length; i++) {
    shouldThrow(functionNames[i] + "()", '"TypeError: Type error"');
}

shouldBeTrue("new Date instanceof Date");
shouldBe("(new Date).__proto__", "Date.prototype");
shouldBeFalse("(new Date).__proto__ instanceof Date");
shouldBeFalse("Date.prototype instanceof Date");