// Copyright JS Foundation and other contributors, http://js.foundation

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

assert ([].join() === "");

assert ([1].join() === "1");

assert ([1, 2].join() === "1,2");

assert ([].join('--') === "");

assert ([1].join("--") === "1");

assert ([1, 2].join('--') === "1--2");

assert ([1,2,3].join({toString: function() { return "--"; }}) === "1--2--3");

// Join should use 'length' to as the number of elements int the array.

var lst = [1,2,3,4];

lst.length = 3;

assert (lst.join() === [1,2,3].join());

// Checking behavior when unable to get length.

var obj = {};

Object.defineProperty(obj, 'length', { 'get' : function () {throw new ReferenceError ("foo"); } });

obj.join = Array.prototype.join;

try {

obj.join();

// Should not be reached.

assert (false);

} catch (e) {

assert (e.message === "foo");

assert (e instanceof ReferenceError);

}

// Check join argument fail.

try {

[1,2,3].join({toString: function() { throw new ReferenceError ("foo"); }});

// Should not be reached.

assert (false);

} catch (e) {

assert (e.message === "foo");

assert (e instanceof ReferenceError);

}

// Check single join element fail.

try {

[1, 2, {toString: function() { throw new ReferenceError ("foo"); }}, 4].join();

// Should not be reached.

assert (false);

} catch (e) {

assert (e.message === "foo");

assert (e instanceof ReferenceError);

}

// Check join on different object.

var obj_2 = {};

obj_2.length = 3;

obj_2[0] = 1;

obj_2[1] = 2;

obj_2[2] = 3;

obj_2[3] = 4;

obj_2.join = Array.prototype.join;

assert (obj_2.join() === "1,2,3");

/* ES v5.1 15.4.4.5.7.

Checking behavior when an element throws error */

try {

var f = function () { throw new TypeError("ooo");};

var arr = [0, 1, 2, 3];

Object.defineProperty(arr, '0', { 'get' : f });

Array.prototype.join.call(arr);

assert(false);

} catch (e) {

assert(e instanceof TypeError);

assert(e.message == "ooo");

}