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Diffstat (limited to 'test/parallel/test-promise-unhandled-warn.js')
-rw-r--r-- | test/parallel/test-promise-unhandled-warn.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/parallel/test-promise-unhandled-warn.js b/test/parallel/test-promise-unhandled-warn.js new file mode 100644 index 0000000000..62ddc69d8c --- /dev/null +++ b/test/parallel/test-promise-unhandled-warn.js @@ -0,0 +1,28 @@ +// Flags: --unhandled-rejections=warn +'use strict'; + +const common = require('../common'); + +common.disableCrashOnUnhandledRejection(); + +// Verify that ignoring unhandled rejection works fine and that no warning is +// logged. + +new Promise(() => { + throw new Error('One'); +}); + +Promise.reject('test'); + +// Unhandled rejections trigger two warning per rejection. One is the rejection +// reason and the other is a note where this warning is coming from. +process.on('warning', common.mustCall(4)); +process.on('uncaughtException', common.mustNotCall('uncaughtException')); +process.on('rejectionHandled', common.mustCall(2)); + +process.on('unhandledRejection', (reason, promise) => { + // Handle promises but still warn! + promise.catch(() => {}); +}); + +setTimeout(common.mustCall(), 2); |