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// Vaildate input to distinct command. SERVER-12642
(function() {
"use strict";
var t = db.distinct4;
t.drop();
t.save({a: null});
t.save({a: 1});
t.save({a: 1});
t.save({a: 2});
t.save({a: 3});
// first argument should be a string or error
// from shell helper
assert.throws(function() {
t.distinct({a: 1});
});
// from command interface
assert.commandFailedWithCode(t.runCommand("distinct", {"key": {a: 1}}), ErrorCodes.TypeMismatch);
// second argument should be a document or error
// from shell helper
assert.throws(function() {
t.distinct('a', '1');
});
// from command interface
assert.commandFailedWithCode(t.runCommand("distinct", {"key": "a", "query": "a"}),
ErrorCodes.TypeMismatch);
// empty query clause should not cause error
// from shell helper
var a = assert.doesNotThrow(function() {
return t.distinct('a');
});
// [ null, 1, 2, 3 ]
assert.eq(4, a.length, tojson(a));
assert.contains(null, a);
assert.contains(1, a);
assert.contains(2, a);
assert.contains(3, a);
// from command interface
assert.commandWorked(t.runCommand("distinct", {"key": "a"}));
// embedded nulls are prohibited in the key field
assert.commandFailedWithCode(t.runCommand("distinct", {"key": "a\0b"}), 31032);
})();
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