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package net.jqwik.api;

import java.lang.annotation.*;

import org.apiguardian.api.*;
import org.junit.platform.commons.annotation.*;

import static org.apiguardian.api.API.Status.*;

/**
 * Use {@code @Property} to mark methods that serve as properties.
 * Those methods usually have one or more parameters annotated with {@linkplain ForAll}.
 * 

* They are executed (tried) several times, * either until they fail or until the configured number of {@code tries()} has been reached. *

* Just like methods annotated with {@linkplain Example} example, annotated methods * must not be private. They can either return {@code Boolean}, {@code boolean} * or {@code void}. *

* For more info, you can have a look at the user guide, * optional-property-parameters. * * @see Example * @see ShrinkingMode * @see GenerationMode * @see AfterFailureMode * @see EdgeCasesMode * @see Data */ @Target({ElementType.METHOD, ElementType.ANNOTATION_TYPE}) @Retention(RetentionPolicy.RUNTIME) @Documented @Testable @API(status = STABLE, since = "1.0") public @interface Property { int TRIES_NOT_SET = 0; int MAX_DISCARD_RATIO_NOT_SET = 0; String SEED_NOT_SET = ""; String STEREOTYPE_NOT_SET = ""; /** * Tries are the test runs with different parameters. By default it is 1000. You can override globally in the property file * (see jqwik.properties, or here, in {@link Property} * annotation. * * @return number of tries to run */ int tries() default TRIES_NOT_SET; /** * The maximum ratio of tried versus actually checked property runs in case you are using Assumptions. If the ratio is exceeded jqwik * will report this property as a failure. * *

* The default is 5 which can be overridden in jqwik.properties. * * @return the maximum ration * */ int maxDiscardRatio() default MAX_DISCARD_RATIO_NOT_SET; String seed() default SEED_NOT_SET; /** * Controls how shrinking is done when falsified property is found. *

* Default value is {@link ShrinkingMode#BOUNDED}, i.e. shrinking is tried to a depth of 1000 steps maximum per value. * * @return the shrinking mode */ ShrinkingMode shrinking() default ShrinkingMode.NOT_SET; String stereotype() default STEREOTYPE_NOT_SET; @API(status = MAINTAINED, since = "1.0") GenerationMode generation() default GenerationMode.NOT_SET; @API(status = MAINTAINED, since = "1.0") AfterFailureMode afterFailure() default AfterFailureMode.NOT_SET; @API(status = EXPERIMENTAL, since = "1.3.0") EdgeCasesMode edgeCases() default EdgeCasesMode.NOT_SET; /** * Controls how to behave if a {@link #seed()} is present. *

* Default value is the value from the global {@code jqwik.seeds.whenfixed} * configuration property. * * @return the fixed seed mode */ @API(status = EXPERIMENTAL, since = "1.4.0") FixedSeedMode whenFixedSeed() default FixedSeedMode.NOT_SET; }





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