jerryscript/tests/jerry/string-prototype-indexof.js
Laszlo Vidacs cd7cf53ecb Rearrange String.prototype.indexOf, lastIndexOf and Replace helpers
Fixes issue #515
JerryScript-DCO-1.0-Signed-off-by: Laszlo Vidacs lvidacs.u-szeged@partner.samsung.com
2015-11-27 14:09:11 +01:00

114 lines
3.4 KiB
JavaScript

// Copyright 2015 Samsung Electronics Co., Ltd.
// Copyright 2015 University of Szeged.
//
// 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.
// check properties
assert(Object.getOwnPropertyDescriptor(String.prototype.indexOf, 'length').configurable === false);
assert(Object.getOwnPropertyDescriptor(String.prototype.indexOf, 'length').enumerable === false);
assert(Object.getOwnPropertyDescriptor(String.prototype.indexOf, 'length').writable === false);
assert(String.prototype.indexOf.length === 1);
assert("Hello world, welcome to the universe.".indexOf("welcome") === 13);
assert("Hello world, welcome to the universe.".indexOf("Hello world, welcome to the universe.") === 0);
assert("Hello world, welcome to the universe.".indexOf("welcome",10) == 13);
assert("Hello world, welcome to the universe.".indexOf("welcome",-100) == 13);
assert("Hello world, welcome to the universe.".indexOf("welcome", 15) === -1);
assert("Hello world, welcome to the universe.".indexOf("o", 15) === 17);
// check utf8 strings
assert("\uFFA2".indexOf("\uFFA2") === 0);
assert("\uFFA2".indexOf("A") === -1);
assert("w2\uFFA2A".indexOf("A") === 3);
assert("w2\u1D306A".indexOf("A") === 4);
// check surrogate pairs
assert("\uD834\uDF06".indexOf("\uDF06") === 1);
assert("\uD834\uDF06w2\u1D306D".indexOf("D") === 6);
assert("\ud800\dc00".indexOf("\dc00") === 1);
// check prefix search
assert("aaaabaaa".indexOf("aaaba") === 1);
// check empty string
assert(String.prototype.indexOf.call(new String()) === -1);
assert(String.prototype.indexOf.call("","") === 0);
// check NaN
assert("Hello world, welcome to the universe.".indexOf(NaN) === -1);
assert("Hello world, welcome to the universe.".indexOf("welcome",NaN) === 13);
// check Object
assert(String.prototype.indexOf.call({}) === -1);
// check +-Inf
assert("hello world!".indexOf("world", -Infinity) === 6);
assert("hello world!".indexOf("world", Infinity) === -1);
// check numbers
assert("hello world!".indexOf(-1) === -1);
assert("hello 0 world!".indexOf(-0) === 6);
// check undefined
assert("hello world!".indexOf(undefined) === -1);
var undefined_var;
assert("Hello world, welcome to the universe.".indexOf("welcome", undefined_var) === 13);
// check booleans
assert("true".indexOf(true, false) === 0);
// check coercible - undefined
try {
String.prototype.indexOf.call(undefined);
assert(false);
} catch(e) {
assert(e instanceof TypeError);
}
// check coercible - null
try {
String.prototype.indexOf.call(null);
assert(false);
} catch(e) {
assert(e instanceof TypeError);
}
// check coercible - Boolean
assert(String.prototype.indexOf.call(true, "e") === 3);
assert(String.prototype.indexOf.call(false, "e") === 4);
// check coercible - Object
var test_object = {firstName:"John", lastName:"Doe"};
assert(String.prototype.indexOf.call(test_object, "Obj") === 8);
// check coercible - Number
assert(String.prototype.indexOf.call(123, "2") === 1);