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8b8676204b
--HG-- extra : commitid : yWjnDGhk9j extra : rebase_source : 24228660defd6971a621d52eee0b79be823c6926 extra : amend_source : ef8de24265fa9026b0f764a63453b816442f7232 extra : source : 3958782fe187026cbc3755ad6eae6920e67fa7d2
29 lines
900 B
JavaScript
29 lines
900 B
JavaScript
"use strict";
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var {ObjectUtils} = Components.utils.import("resource://gre/modules/ObjectUtils.jsm", {});
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var {PromiseTestUtils} = Components.utils.import("resource://testing-common/PromiseTestUtils.jsm", {});
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add_task(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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function run_test() {
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run_next_test();
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}
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