50 lines
1.7 KiB
JavaScript
50 lines
1.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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// Verify the environment chain for subscripts described in
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// js/src/vm/EnvironmentObject.h.
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add_task(async function() {
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const target = {};
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Services.scriptloader.loadSubScript("resource://test/file_envChain_subscript.js", target);
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const envs = target.ENVS;
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Assert.equal(envs.length, 4);
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let i = 0, env;
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env = envs[i]; i++;
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Assert.equal(env.type, "NonSyntacticLexicalEnvironmentObject");
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Assert.equal(env.qualified, false);
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Assert.equal(env.unqualified, false);
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Assert.equal(env.lexical, true, "lexical must live in the NSLEO");
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Assert.equal(env.prop, false);
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env = envs[i]; i++;
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Assert.equal(env.type, "WithEnvironmentObject");
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Assert.equal(env.qualified, true, "qualified var must live in the with env");
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Assert.equal(env.unqualified, false);
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Assert.equal(env.lexical, false);
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Assert.equal(env.prop, true, "this property must live in the with env");
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env = envs[i]; i++;
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Assert.equal(env.type, "GlobalLexicalEnvironmentObject");
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Assert.equal(env.qualified, false);
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Assert.equal(env.unqualified, false);
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Assert.equal(env.lexical, false);
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Assert.equal(env.prop, false);
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env = envs[i]; i++;
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Assert.equal(env.type, "*global*");
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Assert.equal(env.qualified, false);
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Assert.equal(env.unqualified, true, "unqualified var must live in the global");
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Assert.equal(env.lexical, false);
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Assert.equal(env.prop, false);
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Assert.equal(target.qualified, 10, "qualified var must be reflected to the target object");
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Assert.equal(target.prop, 40, "this property must be reflected to the target object");
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});
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