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Test Info:
- Manifest: js/xpconnect/tests/unit/xpcshell.toml
/* 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
"use strict";
// Verify the environment chain for subscripts in frame script described in
// js/src/vm/EnvironmentObject.h.
const { XPCShellContentUtils } = ChromeUtils.importESModule(
);
XPCShellContentUtils.init(this);
add_task(async function unique_scope_with_target() {
const page = await XPCShellContentUtils.loadContentPage("about:blank", {
remote: true,
});
const envsPromise = new Promise(resolve => {
Services.mm.addMessageListener("unique-with-target-envs-result", msg => {
resolve(msg.data);
});
});
const runInUniqueScope = true;
const runInGlobalScope = !runInUniqueScope;
Services.mm.loadFrameScript(
`data:,
const target = {};
Services.scriptloader.loadSubScript("resource://test/file_envChain_subscript_unique_target.js", target);
const envs = target.ENVS;
sendSyncMessage("unique-with-target-envs-result", envs);
`, false, runInGlobalScope);
const envs = await envsPromise;
Assert.equal(envs.length, 7);
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, "NonSyntacticLexicalEnvironmentObject");
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, "WithEnvironmentObject");
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, "NonSyntacticVariablesObject");
Assert.equal(env.qualified, false);
Assert.equal(env.unqualified, true, "unqualified var must live in the NSVO");
Assert.equal(env.lexical, false);
Assert.equal(env.prop, false);
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, "*SystemGlobal*");
Assert.equal(env.qualified, false);
Assert.equal(env.unqualified, false);
Assert.equal(env.lexical, false);
Assert.equal(env.prop, false);
await page.close();
});
add_task(async function non_unique_scope_with_target() {
const page = await XPCShellContentUtils.loadContentPage("about:blank", {
remote: true,
});
const envsPromise = new Promise(resolve => {
Services.mm.addMessageListener("non-unique-with-target-envs-result", msg => {
resolve(msg.data);
});
});
const runInUniqueScope = false;
const runInGlobalScope = !runInUniqueScope;
Services.mm.loadFrameScript(`data:,
const target = {};
Services.scriptloader.loadSubScript("resource://test/file_envChain_subscript_non_unique_target.js", target);
const envs = target.ENVS;
sendSyncMessage("non-unique-with-target-envs-result", envs);
`, false, runInGlobalScope);
const envs = await envsPromise;
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, "*SystemGlobal*");
Assert.equal(env.qualified, false);
Assert.equal(env.unqualified, true, "unqualified var must live in the system global");
Assert.equal(env.lexical, false);
Assert.equal(env.prop, false);
await page.close();
});
add_task(async function unique_scope_no_target() {
const page = await XPCShellContentUtils.loadContentPage("about:blank", {
remote: true,
});
const envsPromise = new Promise(resolve => {
Services.mm.addMessageListener("unique-no-target-envs-result", msg => {
resolve(msg.data);
});
});
const runInUniqueScope = true;
const runInGlobalScope = !runInUniqueScope;
Services.mm.loadFrameScript(`data:,
const outerEnvs = globalThis.ENVS;
sendSyncMessage("unique-no-target-envs-result", outerEnvs);
`, false, runInGlobalScope);
const envs = await envsPromise;
Assert.equal(envs.length, 5);
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, false);
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, "NonSyntacticVariablesObject");
Assert.equal(env.qualified, true, "qualified var must live in the NSVO");
Assert.equal(env.unqualified, true, "unqualified var must live in the NSVO");
Assert.equal(env.lexical, false);
Assert.equal(env.prop, false);
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, "*SystemGlobal*");
Assert.equal(env.qualified, false);
Assert.equal(env.unqualified, false);
Assert.equal(env.lexical, false);
Assert.equal(env.prop, false);
await page.close();
});
add_task(async function non_unique_scope_no_target() {
const page = await XPCShellContentUtils.loadContentPage("about:blank", {
remote: true,
});
const envsPromise = new Promise(resolve => {
Services.mm.addMessageListener("non-unique-no-target-envs-result", msg => {
resolve(msg.data);
});
});
const runInUniqueScope = false;
const runInGlobalScope = !runInUniqueScope;
Services.mm.loadFrameScript(`data:,
Services.scriptloader.loadSubScript("resource://test/file_envChain_subscript_non_unique_no_target.js");
const outerEnvs = globalThis.ENVS;
sendSyncMessage("non-unique-no-target-envs-result", outerEnvs);
`, false, runInGlobalScope);
const envs = await envsPromise;
Assert.equal(envs.length, 2);
let i = 0, env;
env = envs[i]; i++;
Assert.equal(env.type, "GlobalLexicalEnvironmentObject");
Assert.equal(env.qualified, false);
Assert.equal(env.unqualified, false);
Assert.equal(env.lexical, true, "lexical must live in the global lexical");
Assert.equal(env.prop, false);
env = envs[i]; i++;
Assert.equal(env.type, "*SystemGlobal*");
Assert.equal(env.qualified, true, "qualified var must live in the with system global");
Assert.equal(env.unqualified, true, "unqualified name must live in the system global");
Assert.equal(env.lexical, false);
Assert.equal(env.prop, true, "this property must live in the with system global");
await page.close();
});