Sylvestre Ledru
9eb1a31a98
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287843
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/quota/ArtificialFailure.h"
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#include "mozilla/Result.h"
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#include "mozilla/StaticPrefs_dom.h"
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namespace mozilla::dom::quota {
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Result<Ok, nsresult> ArtificialFailure(
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nsIQuotaArtificialFailure::Category aCategory) {
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MOZ_ASSERT(aCategory != 0 && ((aCategory & (aCategory - 1)) == 0));
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if ((StaticPrefs::dom_quotaManager_artificialFailure_categories() &
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aCategory) == 0) {
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return Ok{};
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}
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uint32_t probability =
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StaticPrefs::dom_quotaManager_artificialFailure_probability();
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if (probability == 0) {
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return Ok{};
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}
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uint32_t randomValue = std::rand() % 100;
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if (randomValue >= probability) {
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return Ok{};
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}
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uint32_t errorCode =
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StaticPrefs::dom_quotaManager_artificialFailure_errorCode();
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nsresult rv = static_cast<nsresult>(errorCode);
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return Err(rv);
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}
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} // namespace mozilla::dom::quota
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