module("About Reflection (topics/about_reflection.js)");

test("typeof", function() {

equals(typeof({}), __, 'what is the type of an empty object?');

equals(typeof('apple'), __, 'what is the type of a string?');

equals(typeof(-5), __, 'what is the type of -5?');

equals(typeof(false), __, 'what is the type of false?');

});

test("property enumeration", function() {

var keys = [];

var values = [];

var person = {name: 'Amory Blaine', age: 102, unemployed: true};

for(propertyName in person) {

keys.push(propertyName);

values.push(person[propertyName]);

}

ok(keys.equalTo(['__','__','__']), 'what are the property names of the object?');

ok(values.equalTo(['__',__,__]), 'what are the property values of the object?');

});

test("hasOwnProperty", function() {

// hasOwnProperty returns true if the parameter is a property directly on the object,

// but not if it is a property accessible via the prototype chain.

var keys = [];

var fruits = ['apple', 'orange'];

for(propertyName in fruits) {

keys.push(propertyName);

}

ok(keys.equalTo(['__', '__', '__']), 'what are the properties of the array?');

var ownKeys = [];

for(propertyName in fruits) {

if (fruits.hasOwnProperty(propertyName)) {

ownKeys.push(propertyName);

}

}

ok(ownKeys.equalTo(['__', '__']), 'what are the own properties of the array?');

});

test("eval", function() {

// eval executes a string

var result = "";

eval("result = 'apple' + ' ' + 'pie'");

equals(result, __, 'what is the value of result?');

});