43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
// Tests that timestamps are inserted in increasing order. This test assumes that timestamps
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// inserted within the same second will have increasing increment values, which may not be the case
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// if the inserts are into a sharded collection.
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// @tags: [
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// assumes_unsharded_collection,
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// ]
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const t = db.ts1;
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t.drop();
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const N = 20;
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for (let i = 0; i < N; i++) {
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assert.commandWorked(t.insert({_id: i, x: new Timestamp()}));
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sleep(100);
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}
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function get(i) {
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return t.findOne({_id: i}).x;
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}
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function cmp(a, b) {
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if (a.t < b.t)
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return -1;
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if (a.t > b.t)
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return 1;
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return a.i - b.i;
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}
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for (let i = 0; i < N - 1; i++) {
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const a = get(i);
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const b = get(i + 1);
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assert.gt(
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0, cmp(a, b), `Expected ${tojson(a)} to be smaller than ${tojson(b)} (at iteration ${i})`);
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}
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assert.eq(N, t.find({x: {$type: 17}}).itcount());
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assert.eq(0, t.find({x: {$type: 3}}).itcount());
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assert.commandWorked(t.insert({_id: 100, x: new Timestamp(123456, 50)}));
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const x = t.findOne({_id: 100}).x;
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assert.eq(123456, x.t);
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assert.eq(50, x.i); |