How to use AbstractOptionalDoubleAssert method of org.assertj.core.api.AbstractOptionalDoubleAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractOptionalDoubleAssert.AbstractOptionalDoubleAssert

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...26 * @author Jean-Christophe Gay27 * @author Alexander Bischof28 * @author Grzegorz Piwowarek29 */​30public abstract class AbstractOptionalDoubleAssert<SELF extends AbstractOptionalDoubleAssert<SELF>> extends31 AbstractAssert<SELF, OptionalDouble> {32 @VisibleForTesting33 Doubles doubles = Doubles.instance();34 protected AbstractOptionalDoubleAssert(OptionalDouble actual, Class<?> selfType) {35 super(actual, selfType);36 }37 /​**38 * Verifies that there is a value present in the actual {@link java.util.OptionalDouble}.39 * <p>40 * Assertion will pass :41 * <pre><code class='java'> assertThat(OptionalDouble.of(10.0)).isPresent();</​code></​pre>42 * <p>43 * Assertion will fail :44 * <pre><code class='java'> assertThat(OptionalDouble.empty()).isPresent();</​code></​pre>45 *46 * @return this assertion object.47 * @throws java.lang.AssertionError if actual value is empty.48 * @throws java.lang.AssertionError if actual is null....

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