36 lines
1.3 KiB
Java
36 lines
1.3 KiB
Java
import java.util.Optional;
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import static org.assertj.core.api.Assertions.assertThat;
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public class AssertThatJava8Optional {
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private void assertThatJava8Optional() {
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Optional<String> opt = Optional.empty();
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assertThat(opt.isPresent()).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()).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()).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).isEqualTo(Optional.of("foo"));
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assertThat(opt).isEqualTo(Optional.ofNullable("foo"));
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assertThat(opt).isNotEqualTo(Optional.of("foo"));
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assertThat(opt).isNotEqualTo(Optional.ofNullable("foo"));
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assertThat(opt).isEqualTo(Optional.empty());
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assertThat(opt).isNotEqualTo(Optional.empty());
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}
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}
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