package org.inferred.freebuilder; import static org.junit.Assert.assertEquals; import com.google.common.collect.ImmutableListMultimap; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; public class ListMultimapPropertiesTest { @Rule public final ExpectedException thrown = ExpectedException.none(); @Test public void testMutate() { ListMultimapPropertyType value = new ListMultimapPropertyType.Builder() .putNumbers(1, "one") .putNumbers(1, "uno") .putNumbers(2, "two") .putNumbers(2, "dos") .mutateNumbers(numbers -> numbers.entries().forEach(entry -> entry.setValue( entry.getValue().toUpperCase() + " (" + entry.getKey() + ")"))) .build(); assertEquals(ImmutableListMultimap.of(1, "ONE (1)", 1, "UNO (1)", 2, "TWO (2)", 2, "DOS (2)"), value.getNumbers()); } }