File: server6120.js

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// Value::coerceToBool() is consistent with BSONElement::trueValue().  SERVER-6120

t = db.jstests_aggregation_server6120;
t.drop();

t.save({object: {a: 1}});

function coerceToBool(value) {
    return t.aggregate({$project: {boolValue: {$and: [value]}}}).toArray()[0].boolValue;
}

function assertBoolValue(expectedBool, value) {
    assert.eq(expectedBool, coerceToBool(value));
}

// Bool type.
assertBoolValue(false, false);
assertBoolValue(true, true);

// Numeric types.
assertBoolValue(false, NumberLong(0));
assertBoolValue(true, NumberLong(1));
assertBoolValue(false, NumberInt(0));
assertBoolValue(true, NumberInt(1));
assertBoolValue(false, 0.0);
assertBoolValue(true, 1.0);

// Always false types.
assertBoolValue(false, null);

// Always true types.
assertBoolValue(true, '');
assertBoolValue(true, 'a');
assertBoolValue(true, "$object");
assertBoolValue(true, []);
assertBoolValue(true, [1]);
assertBoolValue(true, new ObjectId());
assertBoolValue(true, new Date());
assertBoolValue(true, /a/);
assertBoolValue(true, new Timestamp());

// Missing field.
assertBoolValue(false, '$missingField');