mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
100 lines
2.9 KiB
JavaScript
100 lines
2.9 KiB
JavaScript
// Copyright 2015 Samsung Electronics Co., Ltd.
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// Copyright 2015 University of Szeged.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// check properties
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assert(Object.getOwnPropertyDescriptor(String.prototype.charCodeAt, 'length').configurable === false);
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assert(Object.getOwnPropertyDescriptor(String.prototype.charCodeAt, 'length').enumerable === false);
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assert(Object.getOwnPropertyDescriptor(String.prototype.charCodeAt, 'length').writable === false);
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assert(String.prototype.charCodeAt.length === 1);
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// check empty string
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assert(isNaN(String.prototype.charCodeAt.call(new String())));
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// check Object with NaN pos
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assert(String.prototype.charCodeAt.call({}) === 91);
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// simple checks
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assert("hello world!".charCodeAt(0) === 104);
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assert("hello world!".charCodeAt(1) === 101);
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assert("HELLO WORLD".charCodeAt(10) === 68);
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// check +-Inf
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assert(isNaN("hello world!".charCodeAt(-Infinity)));
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assert(isNaN("hello world!".charCodeAt(Infinity)));
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assert("hello world!".charCodeAt(11) === 33);
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assert(isNaN("hello world!".charCodeAt(12)));
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// check unicode
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assert("hello\u000B\u000C\u0020\u00A0world!".charCodeAt(8) === 160);
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assert("hello\uD834\uDF06world!".charCodeAt(6) === 57094);
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assert("hell\u006F\u006F w\u006F\u006Frld!".charCodeAt(8) === 111);
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assert(isNaN("\u00A9\u006F".charCodeAt(2)));
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// check negative
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assert(isNaN("hello world!".charCodeAt(-1)));
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assert(isNaN("hello world!".charCodeAt(-9999999)));
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assert("hello world!".charCodeAt(-0) === 104);
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// check undefined
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assert("hello world!".charCodeAt(undefined) === 104);
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// check booleans
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assert("hello world!".charCodeAt(true) === 101);
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assert("hello world!".charCodeAt(false) === 104);
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// check index above uint32_t
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assert(isNaN("hello world!".charCodeAt(4294967299)));
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// check coercible - undefined
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try {
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assert(isNaN(String.prototype.charCodeAt.call(undefined)));
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assert(false);
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} catch (e) {
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assert(e instanceof TypeError);
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}
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// check coercible - null
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try {
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assert(isNaN(String.prototype.charCodeAt.call(null, 0)));
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assert(false);
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} catch (e) {
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assert(e instanceof TypeError);
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}
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// check coercible - Boolean
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assert(String.prototype.charCodeAt.call(true, 1) === 114);
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assert(String.prototype.charCodeAt.call(true) === 116);
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// check coercible - Object
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var test_object = {firstName:"John", lastName:"Doe"};
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assert(String.prototype.charCodeAt.call(test_object, 1) === 111);
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// check coercible - Number
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assert(String.prototype.charCodeAt.call(123, 2) === 51);
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