public void test_builder_varargs() {
Swap test = Swap.builder().legs(MOCK_GBP1, MOCK_USD1).build();
assertEquals(test.getLegs(), ImmutableList.of(MOCK_GBP1, MOCK_USD1));
}
// -------------------------------------------------------------------------
public void test_expand() {
Swap test = Swap.builder().legs(ImmutableList.of(MOCK_GBP1, MOCK_USD1)).build();
assertEquals(test.expand(), ExpandedSwap.of(MOCK_EXPANDED_GBP1, MOCK_EXPANDED_USD1));
}