TEST(WriteConcern, NodesString) {
BSONObj result;
WriteConcern wc;
wc.nodes(3);
ASSERT_FALSE(wc.hasMode());
ASSERT_EQUALS(wc.nodes(), 3);
result = wc.obj();
ASSERT_TRUE(result.hasField("w"));
ASSERT_EQUALS(result["w"].Int(), 3);
wc.mode(WriteConcern::kMajority);
ASSERT_TRUE(wc.hasMode());
ASSERT_EQUALS(wc.mode(), string(WriteConcern::kMajority));
result = wc.obj();
ASSERT_TRUE(result.hasField("w"));
ASSERT_EQUALS(result["w"].String(), string(WriteConcern::kMajority));
wc.nodes(5);
ASSERT_FALSE(wc.hasMode());
ASSERT_EQUALS(wc.nodes(), 5);
result = wc.obj();
ASSERT_TRUE(result.hasField("w"));
ASSERT_EQUALS(result["w"].Int(), 5);
}
TEST(WriteConcern, DefaultToBSON) {
BSONObj result;
WriteConcern wc;
ASSERT_EQUALS(wc.nodes(), 1);
result = wc.obj();
ASSERT_FALSE(result.hasField("w"));
ASSERT_FALSE(result.hasField("j"));
ASSERT_FALSE(result.hasField("fsync"));
ASSERT_FALSE(result.hasField("wtimeout"));
}