mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
fde0d556ac
A list of changes: - 'es2015-subset' profile is deprecated, and an 'es.next' profile is added. - The default profile is changed to 'es.next' - Renamed the JERRY_ES2015 guard to JERRY_ESNEXT - Renamed JERRY_ES2015_BUILTIN_* guards to JERRY_BUILTIN_* - Moved es2015 specific tests to a new 'es.next' subdirectory - Updated docs, targets, and test runners to reflect these changes Resolves #3737. JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
141 lines
3.2 KiB
JavaScript
141 lines
3.2 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.
|
|
|
|
// Copyright 2015 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
var target = {};
|
|
var handler = { get (target) {
|
|
throw 42;
|
|
}};
|
|
|
|
var proxy = new Proxy(target, handler);
|
|
|
|
try {
|
|
// vm_op_get_value
|
|
proxy.a
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e === 42);
|
|
}
|
|
|
|
try {
|
|
// ecma_op_get_value_object_base
|
|
proxy[2];
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e === 42);
|
|
}
|
|
|
|
try {
|
|
// @@toPrimitive symbol
|
|
proxy + "foo";
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e === 42);
|
|
}
|
|
|
|
// test basic funcionality
|
|
var target = {
|
|
target_one: 1,
|
|
prop: "value"
|
|
};
|
|
|
|
var handler = {handler: 1};
|
|
var proxy = new Proxy(target, handler);
|
|
|
|
assert(proxy.prop === "value");
|
|
assert(proxy.nothing === undefined);
|
|
assert(proxy.handler === undefined);
|
|
|
|
handler.get = function () {return "value 2"};
|
|
|
|
assert(proxy.prop === "value 2");
|
|
assert(proxy.nothing === "value 2");
|
|
assert(proxy.handler === "value 2");
|
|
|
|
var handler2 = new Proxy({get: function() {return "value 3"}}, {});
|
|
var proxy2 = new Proxy(target, handler2);
|
|
|
|
assert(proxy2.prop === "value 3");
|
|
assert(proxy2.nothing === "value 3");
|
|
assert(proxy2.handler === "value 3");
|
|
|
|
var get = [];
|
|
var p = new Proxy([0,,2,,4,,], { get: function(o, k) { get.push(k); return o[k]; }});
|
|
Array.prototype.reverse.call(p);
|
|
|
|
assert(get + '' === "length,0,4,2");
|
|
|
|
// test when get throws an error
|
|
var handler = new Proxy({}, {get: function() {throw 42;}});
|
|
var proxy = new Proxy ({}, handler);
|
|
|
|
try {
|
|
proxy.prop;
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e === 42);
|
|
}
|
|
|
|
// test when trap is undefined
|
|
var handler = new Proxy({}, {get: function() {return undefined}});
|
|
var target = {prop: "value"};
|
|
var proxy = new Proxy(target, handler);
|
|
assert(proxy.prop === "value");
|
|
assert(proxy.prop2 === undefined);
|
|
|
|
// test when invariants gets violated
|
|
var target = {};
|
|
var handler = {get: function(r, p){if (p != "key4") return "value"}}
|
|
var proxy = new Proxy(target, handler);
|
|
|
|
assert(proxy.key === "value");
|
|
assert(proxy.key2 === "value");
|
|
assert(proxy.key3 === "value");
|
|
assert(proxy.key4 === undefined);
|
|
|
|
Object.defineProperty(target, "key", {
|
|
configurable: false,
|
|
writable: false,
|
|
value: "different value"
|
|
});
|
|
|
|
try {
|
|
proxy.key;
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e instanceof TypeError)
|
|
}
|
|
|
|
Object.defineProperty(target, "key2", {
|
|
configurable: false,
|
|
get: function() {return "different value"}
|
|
});
|
|
|
|
assert(proxy.key2 === "value");
|
|
|
|
Object.defineProperty(target, "key3", {
|
|
configurable: false,
|
|
set: function() {}
|
|
});
|
|
|
|
try {
|
|
proxy.key3;
|
|
assert(false);
|
|
} catch (e) {
|
|
assert(e instanceof TypeError)
|
|
}
|