import org.checkerframework.checker.nullness.qual.Nullable; class TestAssumeAssertionsAreEnabled { void foo(@Nullable String s1, @Nullable String s2) { //:: error: (dereference.of.nullable) assert s2.equals(s1); } void bar(@Nullable String s1, @Nullable String s2) { //:: error: (dereference.of.nullable) assert s2.equals(s1) : "@AssumeAssertion(nullness)"; } }