forked from mirrors/gecko-dev
72 lines
2.3 KiB
JavaScript
72 lines
2.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
"use strict";
|
|
|
|
// Verify the environment chain for subscripts described in
|
|
// js/src/vm/EnvironmentObject.h.
|
|
|
|
add_task(async function() {
|
|
const target = {};
|
|
Services.scriptloader.loadSubScript(`data:,
|
|
var qualified = 10;
|
|
unqualified = 20;
|
|
let lexical = 30;
|
|
this.prop = 40;
|
|
|
|
const funcs = Cu.getJSTestingFunctions();
|
|
const envs = [];
|
|
let env = funcs.getInnerMostEnvironmentObject();
|
|
while (env) {
|
|
envs.push({
|
|
type: funcs.getEnvironmentObjectType(env) || "*global*",
|
|
qualified: !!Object.getOwnPropertyDescriptor(env, "qualified"),
|
|
unqualified: !!Object.getOwnPropertyDescriptor(env, "unqualified"),
|
|
lexical: !!Object.getOwnPropertyDescriptor(env, "lexical"),
|
|
prop: !!Object.getOwnPropertyDescriptor(env, "prop"),
|
|
});
|
|
|
|
env = funcs.getEnclosingEnvironmentObject(env);
|
|
}
|
|
|
|
this.ENVS = envs;
|
|
`, target);
|
|
|
|
const envs = target.ENVS;
|
|
|
|
Assert.equal(envs.length, 4);
|
|
|
|
let i = 0, env;
|
|
|
|
env = envs[i]; i++;
|
|
Assert.equal(env.type, "NonSyntacticLexicalEnvironmentObject");
|
|
Assert.equal(env.qualified, false);
|
|
Assert.equal(env.unqualified, false);
|
|
Assert.equal(env.lexical, true, "lexical must live in the NSLEO");
|
|
Assert.equal(env.prop, false);
|
|
|
|
env = envs[i]; i++;
|
|
Assert.equal(env.type, "WithEnvironmentObject");
|
|
Assert.equal(env.qualified, true, "qualified var must live in the with env");
|
|
Assert.equal(env.unqualified, false);
|
|
Assert.equal(env.lexical, false);
|
|
Assert.equal(env.prop, true, "this property must live in the with env");
|
|
|
|
env = envs[i]; i++;
|
|
Assert.equal(env.type, "GlobalLexicalEnvironmentObject");
|
|
Assert.equal(env.qualified, false);
|
|
Assert.equal(env.unqualified, false);
|
|
Assert.equal(env.lexical, false);
|
|
Assert.equal(env.prop, false);
|
|
|
|
env = envs[i]; i++;
|
|
Assert.equal(env.type, "*global*");
|
|
Assert.equal(env.qualified, false);
|
|
Assert.equal(env.unqualified, true, "unqualified var must live in the global");
|
|
Assert.equal(env.lexical, false);
|
|
Assert.equal(env.prop, false);
|
|
|
|
Assert.equal(target.qualified, 10, "qualified var must be reflected to the target object");
|
|
Assert.equal(target.prop, 40, "this property must be reflected to the target object");
|
|
});
|