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Diffstat (limited to 'packages/taler-wallet-core/src')
-rw-r--r-- | packages/taler-wallet-core/src/util/invariants.ts | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/packages/taler-wallet-core/src/util/invariants.ts b/packages/taler-wallet-core/src/util/invariants.ts new file mode 100644 index 000000000..fa381d333 --- /dev/null +++ b/packages/taler-wallet-core/src/util/invariants.ts @@ -0,0 +1,29 @@ +/* + This file is part of GNU Taler + (C) 2020 Taler Systems S.A. + + GNU Taler is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +/** + * Helpers for invariants. + */ + +export function checkDbInvariant(b: boolean, m?: string): asserts b { + if (!b) { + if (m) { + throw Error(`BUG: database invariant failed (${m})`); + } else { + throw Error("BUG: database invariant failed"); + } + } +} |