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4 changes: 3 additions & 1 deletion lib/retry.js
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,9 @@ exports.timeouts = function(options) {
randomize: false
};
for (var key in options) {
opts[key] = options[key];
if (options[key] !== undefined) {
opts[key] = options[key];
}
}

if (opts.minTimeout > opts.maxTimeout) {
Expand Down
21 changes: 21 additions & 0 deletions test/integration/test-timeouts.js
Original file line number Diff line number Diff line change
Expand Up @@ -67,3 +67,24 @@ var retry = require(common.dir.lib + '/retry');
var timeouts = retry.timeouts({retries: 2});
assert.strictEqual(timeouts.length, 2);
})();

(function testUndefinedOptionsKeepDefaults() {
var timeouts = retry.timeouts({
retries: 3,
minTimeout: undefined,
maxTimeout: undefined
});

assert.deepEqual(timeouts, [1000, 2000, 4000]);
})();

(function testUndefinedRetriesKeepsDefaultCount() {
var timeouts = retry.timeouts({
retries: undefined,
minTimeout: 1000
});

assert.equal(timeouts.length, 10);
assert.equal(timeouts[0], 1000);
assert.equal(timeouts[1], 2000);
})();