230 lines
6.5 KiB
JavaScript
230 lines
6.5 KiB
JavaScript
//
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// Ensures that mongod respects the batch write protocols for delete
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//
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var coll = db.getCollection( "batch_write_delete" );
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coll.drop();
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assert(coll.getDB().getMongo().useWriteCommands(), "test is not running with write commands");
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var request;
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var result;
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var batch;
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var maxWriteBatchSize = 1000;
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function resultOK( result ) {
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return result.ok &&
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!( 'code' in result ) &&
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!( 'errmsg' in result ) &&
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!( 'errInfo' in result ) &&
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!( 'writeErrors' in result );
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}
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function resultNOK( result ) {
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return !result.ok &&
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typeof( result.code ) == 'number' &&
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typeof( result.errmsg ) == 'string';
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}
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// EACH TEST BELOW SHOULD BE SELF-CONTAINED, FOR EASIER DEBUGGING
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//
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// NO DOCS, illegal command
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName()};
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result = coll.runCommand(request);
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assert(resultNOK(result), tojson(result));
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assert.eq(1, coll.count());
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//
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// Single document remove, default write concern specified
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName(),
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deletes: [{q: {a:1}, limit: 1}]};
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result = coll.runCommand(request);
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assert(resultOK(result), tojson(result));
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assert.eq(1, result.n);
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assert.eq(0, coll.count());
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//
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// Single document delete, w:0 write concern specified
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName(),
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deletes: [{q: {a: 1}, limit: 1}],
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writeConcern:{w:0}};
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result = coll.runCommand(request);
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assert(resultOK(result), tojson(result));
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assert.eq(0, coll.count());
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for (var field in result) {
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assert.eq('ok', field, 'unexpected field found in result: ' + field);
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}
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//
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// Single document remove, w:1 write concern specified, ordered:true
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coll.remove({});
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coll.insert([{a:1}, {a:1}]);
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request = { delete: coll.getName(),
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deletes: [{q: {a: 1}, limit: 1}],
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writeConcern:{w:1},
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ordered: false};
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result = coll.runCommand(request);
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assert(resultOK(result), tojson(result));
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assert.eq(1, result.n);
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assert.eq(1, coll.count());
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//
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// Multiple document remove, w:1 write concern specified, ordered:true, default top
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coll.remove({});
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coll.insert([{a:1}, {a:1}]);
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request = { delete: coll.getName(),
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deletes: [{q: {a: 1}, limit: 0}],
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writeConcern:{w:1},
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ordered: false};
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result = coll.runCommand(request);
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assert(resultOK(result), tojson(result));
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assert.eq(2, result.n);
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assert.eq(0, coll.count());
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//
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// Multiple document remove, w:1 write concern specified, ordered:true, top:0
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coll.remove({});
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coll.insert([{a:1}, {a:1}]);
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request = { delete: coll.getName(),
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deletes: [{q: {a: 1}, limit: 0}],
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writeConcern:{w:1},
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ordered: false};
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result = coll.runCommand(request);
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assert(resultOK(result), tojson(result));
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assert.eq(2, result.n);
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assert.eq(0, coll.count());
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//
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// Large batch under the size threshold should delete successfully
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coll.remove({});
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batch = [];
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for (var i = 0; i < maxWriteBatchSize; ++i) {
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coll.insert({a:i});
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batch.push({q:{a:i}, limit: 0});
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}
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request = { delete: coll.getName(),
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deletes: batch,
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writeConcern:{w:1},
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ordered: false};
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result = coll.runCommand(request);
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assert(resultOK(result), tojson(result));
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assert.eq(batch.length, result.n);
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assert.eq(0, coll.count());
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//
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// Large batch above the size threshold should fail to delete
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coll.remove({});
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batch = [];
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for (var i = 0; i < maxWriteBatchSize + 1; ++i) {
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coll.insert({a:i});
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batch.push({q:{a:i}, limit: 0});
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}
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request = { delete: coll.getName(),
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deletes: batch,
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writeConcern:{w:1},
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ordered: false};
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result = coll.runCommand(request);
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assert(resultNOK(result), tojson(result));
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assert.eq(batch.length, coll.count());
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//
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// Cause remove error using ordered:true
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName(),
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deletes: [{q: {a:1}, limit: 0},
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{q: {$set: {a: 1}}, limit: 0},
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{q: {$set: {a: 1}}, limit: 0}],
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writeConcern:{w:1},
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ordered: true};
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result = coll.runCommand(request);
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assert.commandWorked(result);
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assert.eq(1, result.n);
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assert(result.writeErrors != null);
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assert.eq(1, result.writeErrors.length);
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assert.eq(1, result.writeErrors[0].index);
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assert.eq('number', typeof result.writeErrors[0].code);
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assert.eq('string', typeof result.writeErrors[0].errmsg);
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assert.eq(0, coll.count());
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//
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// Cause remove error using ordered:false
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName(),
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deletes: [{q: {$set: {a: 1}}, limit: 0},
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{q: {$set: {a: 1}}, limit: 0},
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{q: {a:1}, limit: 0}],
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writeConcern:{w:1},
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ordered: false};
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result = coll.runCommand(request);
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assert.commandWorked(result);
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assert.eq(1, result.n);
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assert.eq(2, result.writeErrors.length);
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assert.eq(0, result.writeErrors[0].index);
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assert.eq('number', typeof result.writeErrors[0].code);
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assert.eq('string', typeof result.writeErrors[0].errmsg);
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assert.eq(1, result.writeErrors[1].index);
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assert.eq('number', typeof result.writeErrors[1].code);
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assert.eq('string', typeof result.writeErrors[1].errmsg);
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assert.eq(0, coll.count());
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//
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// Cause remove error using ordered:false and w:0
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName(),
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deletes: [{q: {$set: {a: 1}}, limit: 0},
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{q: {$set: {a: 1}}, limit: 0},
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{q: {a:1}, limit: 0}],
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writeConcern:{w:0},
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ordered: false};
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result = coll.runCommand(request);
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assert.commandWorked(result);
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assert.eq(0, coll.count());
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for (var field in result) {
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assert.eq('ok', field, 'unexpected field found in result: ' + field);
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}
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//
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// Cause remove error using ordered:true and w:0
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName(),
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deletes: [{q: {$set: {a: 1}}, limit: 0},
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{q: {$set: {a: 1}}, limit: 0},
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{q: {a:1}, limit:(1)}],
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writeConcern:{w:0},
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ordered: true};
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result = coll.runCommand(request);
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assert.commandWorked(result);
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assert.eq(1, coll.count());
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for (var field in result) {
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assert.eq('ok', field, 'unexpected field found in result: ' + field);
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}
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//
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// When limit is not 0 and 1
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coll.remove({});
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coll.insert({a:1});
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request = { delete: coll.getName(),
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deletes: [{q: {a: 1}, limit: 2}],
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writeConcern:{w:0},
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ordered: false};
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result = coll.runCommand(request);
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assert(resultNOK(result), tojson(result));
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