mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
129 lines
3.6 KiB
JavaScript
129 lines
3.6 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 this is undefined
|
|
try {
|
|
String.prototype.indexOf.call(undefined);
|
|
assert(false);
|
|
} catch(e) {
|
|
assert(e instanceof TypeError);
|
|
}
|
|
|
|
// check this is null
|
|
try {
|
|
String.prototype.indexOf.call(null);
|
|
assert(false);
|
|
} catch(e) {
|
|
assert(e instanceof TypeError);
|
|
}
|
|
|
|
// check coercible - undefined
|
|
try {
|
|
assert(true.indexOf());
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e instanceof TypeError);
|
|
}
|
|
|
|
// check coercible - null
|
|
try {
|
|
assert(isNaN(String.prototype.indexOf.call(null, 0)));
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e instanceof TypeError);
|
|
}
|
|
|
|
// check coercible - Boolean
|
|
assert(String.prototype.indexOf.call(true, "e") === 3);
|
|
|
|
// 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);
|