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918ed6c474
This was done using the following script:
37e3803c7a/processors/chromeutils-import.jsm
MozReview-Commit-ID: 1Nc3XDu0wGl
--HG--
extra : source : 12fc4dee861c812fd2bd032c63ef17af61800c70
extra : intermediate-source : 34c999fa006bffe8705cf50c54708aa21a962e62
extra : histedit_source : b2be2c5e5d226e6c347312456a6ae339c1e634b0
25 lines
851 B
JavaScript
25 lines
851 B
JavaScript
"use strict";
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var {ObjectUtils} = ChromeUtils.import("resource://gre/modules/ObjectUtils.jsm", {});
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var {PromiseTestUtils} = ChromeUtils.import("resource://testing-common/PromiseTestUtils.jsm", {});
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add_task(async function test_strict() {
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let loose = { a: 1 };
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let strict = ObjectUtils.strict(loose);
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loose.a; // Should not throw.
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loose.b || undefined; // Should not throw.
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strict.a; // Should not throw.
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PromiseTestUtils.expectUncaughtRejection(/No such property: "b"/);
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Assert.throws(() => strict.b, /No such property: "b"/);
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"b" in strict; // Should not throw.
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strict.b = 2;
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strict.b; // Should not throw.
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PromiseTestUtils.expectUncaughtRejection(/No such property: "c"/);
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Assert.throws(() => strict.c, /No such property: "c"/);
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"c" in strict; // Should not throw.
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loose.c = 3;
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strict.c; // Should not throw.
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});
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