jerryscript/tests/jerry/array-prototype-push.js
Robert Sipka 78e4dcf6c2 Build fix for 32-bit float ecma-number storage (#1669)
JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com
2017-03-22 14:18:43 +01:00

77 lines
1.9 KiB
JavaScript

// 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.
// This test will not pass on FLOAT32 due to precision issues
var len;
var d = [];
assert (d.length === 0);
len = d.push();
assert (d.length === 0);
assert (d.length === len);
len = d.push(1);
assert (d.length === 1);
assert (d.length === len);
len = d.push(2);
assert (d.length === 2);
assert (d.length === len);
len = d.push('a');
assert (d.length === 3);
assert (d.length === len);
len = d.push('b', 'c', 3);
assert (d.length == 6);
assert (d.length === len);
assert (d[0] === 1);
assert (d[1] === 2);
assert (d[2] === 'a');
assert (d[3] === 'b');
assert (d[4] === 'c');
assert (d[5] === 3);
var a = [];
a.length = 4294967294;
assert(a.push("x") === 4294967295);
assert(a.length === 4294967295);
assert(a[4294967294] === "x");
try {
a.push("y");
assert(false);
} catch (e) {
assert (e instanceof RangeError);
}
assert(a.length === 4294967295)
var o = { length : 4294967294, push : Array.prototype.push };
assert(o.push("x") === 4294967295);
assert(o.length === 4294967295);
assert(o[4294967294] === "x");
try {
assert(o.push("y") === 4294967296);
} catch (e) {
assert(false);
}
assert(o.length === 4294967296);
assert(o[4294967295] === "y");
try {
assert(o.push("z") === 1);
} catch (e) {
assert(false);
}
assert(o.length === 1);
assert(o[0] === "z");