// From Node.js test/mjsunit/test-assert.js
// Felix Geisendörfer (felixge), backported from NodeJS
// Karl Guertin (greyrest), backported from NodeJS
// Kris Kowal (kriskowal), conversion to CommonJS

// strangely meta, no?

var assert = require('assert');

function makeBlock(f) {
    var args = Array.prototype.slice.call(arguments,1);
    return function(){
        return f.apply(this, args);
    }
}

exports['test AssertionError instanceof Error'] = function () {
    assert.ok(new assert.AssertionError({}) instanceof Error);
};

exports['test ok false'] = function () {
    assert['throws'](makeBlock(assert.ok, false), assert.AssertionError);
};

exports['test ok(true)'] = makeBlock(assert.ok, true);
exports['test ok("test")'] = makeBlock(assert.ok, "test");
exports['test equal true false'] = function () {
    assert['throws'](makeBlock(assert.equal, true, false), assert.AssertionError, 'equal');
};

exports['test equal null null'] = makeBlock(assert.equal, null, null);
exports['test equal undefined undefined'] = makeBlock(assert.equal, undefined, undefined);
exports['test equal null undefined'] = makeBlock(assert.equal, null, undefined);
exports['test equal 2 "2"'] = makeBlock(assert.equal, 2, "2");
exports['test equal "2" 2'] = makeBlock(assert.equal, "2", 2);
exports['test equal true true'] = makeBlock(assert.equal, true, true);
exports['test notEqual true false'] = makeBlock(assert.notEqual, true, false);
exports['test notEqual true true'] = function () {
    assert['throws'](makeBlock(assert.notEqual, true, true), assert.AssertionError, 'notEqual');
};
exports['test strictEqual 2 "2"'] = function () {
    assert['throws'](makeBlock(assert.strictEqual, 2, "2"), assert.AssertionError, 'strictEqual');
};
exports['test strictEqual null undefined'] = function () {
    assert['throws'](makeBlock(assert.strictEqual, null, undefined), assert.AssertionError, 'strictEqual');
};
exports['test notStrictEqual 2 "2"'] = makeBlock(assert.notStrictEqual, 2, "2");

//deepEquals

//7.2
exports['test 7.2 deepEqual date'] = makeBlock(assert.deepEqual, new Date(2000,3,14), new Date(2000,3,14));
exports['test 7.2 deepEqual date negative'] = function () {
    assert['throws'](makeBlock(assert.deepEqual, new Date(), new Date(2000,3,14)), assert.AssertionError, 'deepEqual date');
};

//7.3
exports['test 7.3 deepEqual 4 "4"'] = makeBlock(assert.deepEqual, 4, "4");
exports['test 7.3 deepEqual "4" 4'] = makeBlock(assert.deepEqual, "4", 4);
exports['test 7.3 deepEqual true 1'] = makeBlock(assert.deepEqual, true, 1);
exports['test 7.3 deepEqual 4 "5"'] = function () {
    assert['throws'](makeBlock(assert.deepEqual, 4, "5"));
};

//7.4
// having the same number of owned properties && the same set of keys
exports['test 7.4 deepEqual {a:4} {a:4}'] = makeBlock(assert.deepEqual, {a:4}, {a:4});
exports['test 7.4 deepEqual {a:4,b:"2"} {a:4,b:"2"}'] = makeBlock(assert.deepEqual, {a:4,b:"2"}, {a:4,b:"2"});
exports['test 7.4 deepEqual [4] ["4"]'] = makeBlock(assert.deepEqual, [4], ["4"]);
exports['test 7.4 deepEqual {a:4} {a:4,b:true}'] = function () {
    assert['throws'](makeBlock(assert.deepEqual, {a:4}, {a:4,b:true}), assert.AssertionError);
};

exports['test deepEqual ["a"], {0:"a"}'] = makeBlock(assert.deepEqual, ["a"], {0:"a"});
//(although not necessarily the same order),
exports['test deepEqual {a:4,b:"1"} {b:"1",a:4}'] = makeBlock(assert.deepEqual, {a:4,b:"1"}, {b:"1",a:4});

exports['test deepEqual arrays with non-numeric properties'] = function () {
    var a1 = [1,2,3];
    var a2 = [1,2,3];
    a1.a = "test";
    a1.b = true;
    a2.b = true;
    a2.a = "test"
    assert['throws'](makeBlock(assert.deepEqual, Object.keys(a1), Object.keys(a2)), assert.AssertionError);
    makeBlock(assert.deepEqual, a1, a2);
};

exports['test deepEqual identical prototype'] = function () {
    // having an identical prototype property
    var nbRoot = {
        toString: function(){return this.first+' '+this.last;}
    }
    var nameBuilder = function(first,last){
        this.first = first;
        this.last = last;
        return this;
    }
    nameBuilder.prototype = nbRoot;
    var nameBuilder2 = function(first,last){
        this.first = first;
        this.last = last;
        return this;
    }
    nameBuilder2.prototype = nbRoot;
    var nb1 = new nameBuilder('Ryan', 'Dahl');
    var nb2 = new nameBuilder2('Ryan','Dahl');

    assert.deepEqual(nb1, nb2);

    nameBuilder2.prototype = Object;
    nb2 = new nameBuilder2('Ryan','Dahl');
    assert['throws'](makeBlock(assert.deepEqual, nb1, nb2), assert.AssertionError);

};

exports['test deepEqual "a" {}'] = function () {
    assert['throws'](makeBlock(assert.deepEqual, 'a', {}), assert.AssertionError);
};

exports['test deepEqual "" ""'] = function () {
    assert.deepEqual("", "");
};

exports['test deepEqual "" [""]'] = function () {
    assert['throws'](makeBlock(assert.deepEqual, '', ['']), assert.AssertionError);
};

exports['test deepEqual [""] [""]'] = function () {
    assert.deepEqual([""], [""]);
};

exports['test throw AssertionError'] = function () {

    //Testing the throwing
    function thrower(errorConstructor){
        throw new errorConstructor('test');
    }
    var aethrow = makeBlock(thrower, assert.AssertionError);
    var aethrow = makeBlock(thrower, assert.AssertionError);
    //the basic calls work
    assert['throws'](makeBlock(thrower, assert.AssertionError), assert.AssertionError, 'message');
    assert['throws'](makeBlock(thrower, assert.AssertionError), assert.AssertionError);
    assert['throws'](makeBlock(thrower, assert.AssertionError));
    //if not passing an error, catch all.
    assert['throws'](makeBlock(thrower, TypeError));
    //when passing a type, only catch errors of the appropriate type
    var threw = false;
    try {
        assert['throws'](makeBlock(thrower, TypeError), assert.AssertionError);
    } catch (e) {
        threw = true;
        assert.ok(e instanceof TypeError, 'type');
    }
    assert.ok(threw, 'assert.throws with an explicit error is eating extra errors', assert.AssertionError);
    threw = false;

};

if (module == require.main)
    require("test").run(exports);