82 lines
3.9 KiB
Java
82 lines
3.9 KiB
Java
import com.google.common.base.Optional;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.assertj.core.api.Assertions.fail;
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import static org.assertj.guava.api.Assertions.assertThat;
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public class GuavaOptional {
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private void guavaOptional() {
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Optional<String> opt = Optional.absent();
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assertThat(opt.isPresent()).as("foo").isEqualTo(true);
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assertThat(opt.isPresent()).isEqualTo(Boolean.TRUE);
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assertThat(opt.isPresent()).isNotEqualTo(false);
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assertThat(opt.isPresent()).isNotEqualTo(Boolean.FALSE);
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assertThat(opt.isPresent()).isTrue();
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assertThat(opt.isPresent()).as("foo").isEqualTo(false);
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assertThat(opt.isPresent()).isEqualTo(Boolean.FALSE);
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assertThat(opt.isPresent()).isNotEqualTo(true);
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assertThat(opt.isPresent()).isNotEqualTo(Boolean.TRUE);
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assertThat(opt.isPresent()).isFalse();
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assertThat(opt.get()).as("foo").isEqualTo("foo");
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assertThat(opt.get()).isSameAs("foo");
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assertThat(opt.get()).isNotEqualTo("foo");
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assertThat(opt.get()).isNotSameAs("foo");
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assertThat(opt.orNull()).as("foo").isEqualTo(null);
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assertThat(opt.orNull()).isNull();
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assertThat(opt.orNull()).isNotEqualTo(null);
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assertThat(opt.orNull()).isNotNull();
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//assertThat(opt.get()).isEqualTo(opt.get()); // there's a better version than contains(opt.get())
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assertThat(opt.orNull()).isEqualTo(opt.get());
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//assertThat(opt.get()).isEqualTo(opt.orNull()); // there's a better version than contains(opt.orNull())
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assertThat(opt).contains(opt.get());
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assertThat(opt).contains(opt.orNull());
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String possibleNullString = System.getProperty("username");
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String notNullString = "Narf";
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assertThat(opt).as("foo").isEqualTo(Optional.of("foo"));
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assertThat(opt).isEqualTo(Optional.fromNullable("foo"));
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assertThat(opt).isEqualTo(Optional.fromNullable(null));
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assertThat(opt).isEqualTo(Optional.fromNullable(possibleNullString));
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assertThat(opt).isEqualTo(Optional.fromNullable(notNullString));
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assertThat(opt).isNotEqualTo(Optional.of("foo"));
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assertThat(opt).isNotEqualTo(Optional.fromNullable("foo"));
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assertThat(opt).isEqualTo(Optional.absent());
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assertThat(opt).isNotEqualTo(Optional.absent());
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org.assertj.guava.api.Assertions.assertThat(opt).as("foo").isEqualTo(Optional.of("foo"));
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org.assertj.guava.api.Assertions.assertThat(opt).isEqualTo(Optional.fromNullable("foo"));
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org.assertj.guava.api.Assertions.assertThat(opt).isNotEqualTo(Optional.of("foo"));
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org.assertj.guava.api.Assertions.assertThat(opt).isNotEqualTo(Optional.fromNullable("foo"));
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org.assertj.guava.api.Assertions.assertThat(opt).as("foo").isEqualTo(Optional.absent());
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org.assertj.guava.api.Assertions.assertThat(opt).isNotEqualTo(Optional.absent());
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org.assertj.core.api.Assertions.assertThat(opt).as("foo").isEqualTo(Optional.of("foo"));
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org.assertj.core.api.Assertions.assertThat(opt).isEqualTo(Optional.fromNullable("foo"));
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org.assertj.core.api.Assertions.assertThat(opt).isNotEqualTo(Optional.of("foo"));
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org.assertj.core.api.Assertions.assertThat(opt).isNotEqualTo(Optional.fromNullable("foo"));
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org.assertj.core.api.Assertions.assertThat(opt).as("foo").isEqualTo(Optional.absent());
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org.assertj.core.api.Assertions.assertThat(opt).isNotEqualTo(Optional.absent());
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assertThat(opt.isPresent()).as("foo").isEqualTo(true).as("bar").isEqualTo(Boolean.TRUE);
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assertThat(opt.isPresent()).as("foo").isEqualTo(true).as("bar").isEqualTo(Boolean.FALSE);
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assertThat(opt.orNull()).as("foo").isEqualTo(null).isNotNull();
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assertThat(Optional.of(new byte[] { 2, 3 }).get()).isEqualTo(new byte[] { 2, 3 }); // not working with assertj-guava 3.2.1
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org.junit.Assert.assertThat(opt, null);
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fail("oh no!");
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}
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}
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