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Assumptions.java
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Assumptions.java
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/*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* Copyright 2012-2018 the original author or authors.
*/
package org.assertj.core.api;
import static net.bytebuddy.matcher.ElementMatchers.any;
import static org.assertj.core.api.Assertions.catchThrowable;
import static org.assertj.core.api.ClassLoadingStrategyFactory.classLoadingStrategy;
import static org.assertj.core.util.Arrays.array;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URI;
import java.net.URL;
import java.nio.file.Path;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.time.ZonedDateTime;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.OptionalDouble;
import java.util.OptionalInt;
import java.util.OptionalLong;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicIntegerArray;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicLongArray;
import java.util.concurrent.atomic.AtomicLongFieldUpdater;
import java.util.concurrent.atomic.AtomicMarkableReference;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
import java.util.concurrent.atomic.AtomicStampedReference;
import java.util.function.DoublePredicate;
import java.util.function.IntPredicate;
import java.util.function.LongPredicate;
import java.util.function.Predicate;
import java.util.stream.DoubleStream;
import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.Stream;
import org.assertj.core.api.ThrowableAssert.ThrowingCallable;
import org.assertj.core.util.CheckReturnValue;
import net.bytebuddy.ByteBuddy;
import net.bytebuddy.TypeCache;
import net.bytebuddy.TypeCache.SimpleKey;
import net.bytebuddy.TypeCache.Sort;
import net.bytebuddy.dynamic.scaffold.TypeValidation;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.implementation.MethodDelegation;
import net.bytebuddy.implementation.auxiliary.AuxiliaryType;
import net.bytebuddy.implementation.bind.annotation.RuntimeType;
import net.bytebuddy.implementation.bind.annotation.SuperCall;
import net.bytebuddy.implementation.bind.annotation.This;
/**
* Entry point for assumption methods for different types, which allow to skip test execution on failed assumptions.
* @since 2.9.0 / 3.9.0
*/
public class Assumptions {
/**
* This NamingStrategy takes the original class's name and adds a suffix to distinguish it.
* The default is ByteBuddy but for debugging purposes, it makes sense to add AssertJ as a name.
*/
private static ByteBuddy BYTE_BUDDY = new ByteBuddy().with(TypeValidation.DISABLED)
.with(new AuxiliaryType.NamingStrategy.SuffixingRandom("Assertj$Assumptions"));
private static final Implementation ASSUMPTION = MethodDelegation.to(AssumptionMethodInterceptor.class);
private static final TypeCache<TypeCache.SimpleKey> CACHE = new TypeCache.WithInlineExpunction<>(Sort.SOFT);
private static final class AssumptionMethodInterceptor {
@RuntimeType
public static Object intercept(@This AbstractAssert<?, ?> assertion, @SuperCall Callable<Object> proxy) throws Exception {
try {
Object result = proxy.call();
if (result != assertion && result instanceof AbstractAssert) {
return asAssumption((AbstractAssert<?, ?>) result).withAssertionState(assertion);
}
return result;
} catch (AssertionError e) {
throw assumptionNotMet(e);
}
}
}
/**
* Creates a new instance of <code>{@link ObjectAssert}</code> assumption.
*
* @param actual the actual value.
* @param <T> the type of the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <T> ProxyableObjectAssert<T> assumeThat(T actual) {
return asAssumption(ProxyableObjectAssert.class, Object.class, actual);
}
/**
* Creates a new instance of <code>{@link StringAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractStringAssert<?> assumeThat(String actual) {
return asAssumption(StringAssert.class, String.class, actual);
}
/**
* Creates a new instance of <code>{@link BigDecimalAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractBigDecimalAssert<?> assumeThat(BigDecimal actual) {
return asAssumption(BigDecimalAssert.class, BigDecimal.class, actual);
}
/**
* Creates a new instance of <code>{@link BigIntegerAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractBigIntegerAssert<?> assumeThat(BigInteger actual) {
return asAssumption(BigIntegerAssert.class, BigInteger.class, actual);
}
/**
* Creates a new instance of <code>{@link UriAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractUriAssert<?> assumeThat(URI actual) {
return asAssumption(UriAssert.class, URI.class, actual);
}
/**
* Creates a new instance of <code>{@link UrlAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractUrlAssert<?> assumeThat(URL actual) {
return asAssumption(UrlAssert.class, URL.class, actual);
}
/**
* Creates a new instance of <code>{@link BooleanAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractBooleanAssert<?> assumeThat(boolean actual) {
return asAssumption(BooleanAssert.class, Boolean.class, actual);
}
/**
* Creates a new instance of <code>{@link BooleanAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractBooleanAssert<?> assumeThat(Boolean actual) {
return asAssumption(BooleanAssert.class, Boolean.class, actual);
}
/**
* Creates a new instance of <code>{@link BooleanArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractBooleanArrayAssert<?> assumeThat(boolean[] actual) {
return asAssumption(BooleanArrayAssert.class, boolean[].class, actual);
}
/**
* Creates a new instance of <code>{@link ByteAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractByteAssert<?> assumeThat(byte actual) {
return asAssumption(ByteAssert.class, Byte.class, actual);
}
/**
* Creates a new instance of <code>{@link ByteAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractByteAssert<?> assumeThat(Byte actual) {
return asAssumption(ByteAssert.class, Byte.class, actual);
}
/**
* Creates a new instance of <code>{@link ByteArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractByteArrayAssert<?> assumeThat(byte[] actual) {
return asAssumption(ByteArrayAssert.class, byte[].class, actual);
}
/**
* Creates a new instance of <code>{@link CharacterAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractCharacterAssert<?> assumeThat(char actual) {
return asAssumption(CharacterAssert.class, Character.class, actual);
}
/**
* Creates a new instance of <code>{@link CharacterAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractCharacterAssert<?> assumeThat(Character actual) {
return asAssumption(CharacterAssert.class, Character.class, actual);
}
/**
* Creates a new instance of <code>{@link CharArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractCharArrayAssert<?> assumeThat(char[] actual) {
return asAssumption(CharArrayAssert.class, char[].class, actual);
}
/**
* Creates a new instance of <code>{@link CharSequenceAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractCharSequenceAssert<?, ? extends CharSequence> assumeThat(CharSequence actual) {
return asAssumption(CharSequenceAssert.class, CharSequence.class, actual);
}
/**
* Creates a new instance of <code>{@link CharSequenceAssert}</code> assumption from a {@link StringBuilder}.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 3.11.0
*/
@CheckReturnValue
public static AbstractCharSequenceAssert<?, ? extends CharSequence> assumeThat(StringBuilder actual) {
return asAssumption(CharSequenceAssert.class, CharSequence.class, actual);
}
/**
* Creates a new instance of <code>{@link CharSequenceAssert}</code> assumption from a {@link StringBuffer}.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 3.11.0
*/
@CheckReturnValue
public static AbstractCharSequenceAssert<?, ? extends CharSequence> assumeThat(StringBuffer actual) {
return asAssumption(CharSequenceAssert.class, CharSequence.class, actual);
}
/**
* Creates a new instance of <code>{@link ShortAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractShortAssert<?> assumeThat(short actual) {
return asAssumption(ShortAssert.class, Short.class, actual);
}
/**
* Creates a new instance of <code>{@link ShortAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractShortAssert<?> assumeThat(Short actual) {
return asAssumption(ShortAssert.class, Short.class, actual);
}
/**
* Creates a new instance of <code>{@link ShortArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractShortArrayAssert<?> assumeThat(short[] actual) {
return asAssumption(ShortArrayAssert.class, short[].class, actual);
}
/**
* Creates a new instance of <code>{@link IntegerAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractIntegerAssert<?> assumeThat(int actual) {
return asAssumption(IntegerAssert.class, Integer.class, actual);
}
/**
* Creates a new instance of <code>{@link IntegerAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractIntegerAssert<?> assumeThat(Integer actual) {
return asAssumption(IntegerAssert.class, Integer.class, actual);
}
/**
* Creates a new instance of <code>{@link IntArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractIntArrayAssert<?> assumeThat(int[] actual) {
return asAssumption(IntArrayAssert.class, int[].class, actual);
}
/**
* Creates a new instance of <code>{@link LongAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractLongAssert<?> assumeThat(long actual) {
return asAssumption(LongAssert.class, Long.class, actual);
}
/**
* Creates a new instance of <code>{@link LongAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractLongAssert<?> assumeThat(Long actual) {
return asAssumption(LongAssert.class, Long.class, actual);
}
/**
* Creates a new instance of <code>{@link LongArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractLongArrayAssert<?> assumeThat(long[] actual) {
return asAssumption(LongArrayAssert.class, long[].class, actual);
}
/**
* Creates a new instance of <code>{@link FloatAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractFloatAssert<?> assumeThat(float actual) {
return asAssumption(FloatAssert.class, Float.class, actual);
}
/**
* Creates a new instance of <code>{@link FloatAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractFloatAssert<?> assumeThat(Float actual) {
return asAssumption(FloatAssert.class, Float.class, actual);
}
/**
* Creates a new instance of <code>{@link FloatArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractFloatArrayAssert<?> assumeThat(float[] actual) {
return asAssumption(FloatArrayAssert.class, float[].class, actual);
}
/**
* Creates a new instance of <code>{@link DoubleAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractDoubleAssert<?> assumeThat(double actual) {
return asAssumption(DoubleAssert.class, Double.class, actual);
}
/**
* Creates a new instance of <code>{@link DoubleAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractDoubleAssert<?> assumeThat(Double actual) {
return asAssumption(DoubleAssert.class, Double.class, actual);
}
/**
* Creates a new instance of <code>{@link DoubleArrayAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractDoubleArrayAssert<?> assumeThat(double[] actual) {
return asAssumption(DoubleArrayAssert.class, double[].class, actual);
}
/**
* Create assumption for {@link AtomicBoolean}.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AtomicBooleanAssert assumeThat(AtomicBoolean actual) {
return asAssumption(AtomicBooleanAssert.class, AtomicBoolean.class, actual);
}
/**
* Create assumption for {@link AtomicInteger}.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AtomicIntegerAssert assumeThat(AtomicInteger actual) {
return asAssumption(AtomicIntegerAssert.class, AtomicInteger.class, actual);
}
/**
* Creates int[] assumption for {@link AtomicIntegerArray}.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AtomicIntegerArrayAssert assumeThat(AtomicIntegerArray actual) {
return asAssumption(AtomicIntegerArrayAssert.class, AtomicIntegerArray.class, actual);
}
/**
* Create assumption for {@link AtomicIntegerFieldUpdater}.
*
* @param actual the actual value.
* @param <OBJECT> the type of the object holding the updatable field.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <OBJECT> AtomicIntegerFieldUpdaterAssert<OBJECT> assumeThat(AtomicIntegerFieldUpdater<OBJECT> actual) {
return asAssumption(AtomicIntegerFieldUpdaterAssert.class, AtomicIntegerFieldUpdater.class, actual);
}
/**
* Create assumption for {@link AtomicLong}.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AtomicLongAssert assumeThat(AtomicLong actual) {
return asAssumption(AtomicLongAssert.class, AtomicLong.class, actual);
}
/**
* Create assumption for {@link AtomicLongArray}.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AtomicLongArrayAssert assumeThat(AtomicLongArray actual) {
return asAssumption(AtomicLongArrayAssert.class, AtomicLongArray.class, actual);
}
/**
* Create assumption for {@link AtomicLongFieldUpdater}.
*
* @param actual the actual value.
* @param <OBJECT> the type of the object holding the updatable field.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <OBJECT> AtomicLongFieldUpdaterAssert<OBJECT> assumeThat(AtomicLongFieldUpdater<OBJECT> actual) {
return asAssumption(AtomicLongFieldUpdaterAssert.class, AtomicLongFieldUpdater.class, actual);
}
/**
* Create assumption for {@link AtomicReference}.
*
* @param actual the actual value.
* @param <VALUE> the type of the value contained in the {@link AtomicReference}.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <VALUE> AtomicReferenceAssert<VALUE> assumeThat(AtomicReference<VALUE> actual) {
return asAssumption(AtomicReferenceAssert.class, AtomicReference.class, actual);
}
/**
* Create assumption for {@link AtomicReferenceArray}.
*
* @param actual the actual value.
* @param <ELEMENT> the type of the value contained in the {@link AtomicReferenceArray}.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <ELEMENT> AtomicReferenceArrayAssert<ELEMENT> assumeThat(AtomicReferenceArray<ELEMENT> actual) {
return asAssumption(AtomicReferenceArrayAssert.class, AtomicReferenceArray.class, actual);
}
/**
* Create assumption for {@link AtomicReferenceFieldUpdater}.
*
* @param actual the actual value.
* @param <FIELD> the type of the field which gets updated by the {@link AtomicReferenceFieldUpdater}.
* @param <OBJECT> the type of the object holding the updatable field.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <FIELD, OBJECT> AtomicReferenceFieldUpdaterAssert<FIELD, OBJECT> assumeThat(
AtomicReferenceFieldUpdater<OBJECT, FIELD> actual) {
return asAssumption(AtomicReferenceFieldUpdaterAssert.class, AtomicReferenceFieldUpdater.class, actual);
}
/**
* Create assumption for {@link AtomicMarkableReference}.
*
* @param actual the actual value.
* @param <VALUE> the type of the value contained in the {@link AtomicMarkableReference}.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <VALUE> AtomicMarkableReferenceAssert<VALUE> assumeThat(AtomicMarkableReference<VALUE> actual) {
return asAssumption(AtomicMarkableReferenceAssert.class, AtomicMarkableReference.class, actual);
}
/**
* Create assumption for {@link AtomicStampedReference}.
*
* @param actual the actual value.
* @param <VALUE> the type of the value contained in the {@link AtomicStampedReference}.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <VALUE> AtomicStampedReferenceAssert<VALUE> assumeThat(AtomicStampedReference<VALUE> actual) {
return asAssumption(AtomicStampedReferenceAssert.class, AtomicStampedReference.class, actual);
}
/**
* Creates a new instance of <code>{@link ClassAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractClassAssert<?> assumeThat(Class<?> actual) {
return asAssumption(ProxyableClassAssert.class, Class.class, actual);
}
/**
* Creates a new instance of <code>{@link DateAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractDateAssert<?> assumeThat(Date actual) {
return asAssumption(DateAssert.class, Date.class, actual);
}
/**
* Creates a new instance of <code>{@link FileAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractFileAssert<?> assumeThat(File actual) {
return asAssumption(FileAssert.class, File.class, actual);
}
/**
* Creates a new instance of {@link PathAssert} assumption.
*
* @param actual the path to test
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractPathAssert<?> assumeThat(Path actual) {
return asAssumption(PathAssert.class, Path.class, actual);
}
/**
* Creates a new instance of <code>{@link InputStreamAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractInputStreamAssert<?, ? extends InputStream> assumeThat(InputStream actual) {
return asAssumption(InputStreamAssert.class, InputStream.class, actual);
}
/**
* Create assertion for {@link FutureAssert} assumption.
*
* @param future the actual value.
* @param <RESULT> the type of the value contained in the {@link java.util.concurrent.Future}.
*
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <RESULT> AbstractFutureAssert<?, ? extends Future<? extends RESULT>, RESULT> assumeThat(Future<RESULT> future) {
return asAssumption(FutureAssert.class, Future.class, future);
}
/**
* Creates a new instance of <code>{@link IterableAssert}</code> assumption.
*
* @param <ELEMENT> the type of elements.
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <ELEMENT> ProxyableIterableAssert<ELEMENT> assumeThat(Iterable<? extends ELEMENT> actual) {
return asAssumption(ProxyableIterableAssert.class, Iterable.class, actual);
}
/**
* Creates a new instance of <code>{@link IteratorAssert}</code> assumption.
* <p>
* <b>Breaking change in version 3.12.0:</b> this method does not return anymore an {@link ProxyableIterableAssert} but an {@link IteratorAssert}.<br>
*
* @param <ELEMENT> the type of elements.
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <ELEMENT> IteratorAssert<ELEMENT> assumeThat(Iterator<? extends ELEMENT> actual) {
return asAssumption(IteratorAssert.class, Iterator.class, actual);
}
/**
* Creates a new instance of <code>{@link ListAssert}</code> assumption.
*
* @param <ELEMENT> the type of elements.
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <ELEMENT> FactoryBasedNavigableListAssert<ProxyableListAssert<ELEMENT>, List<? extends ELEMENT>, ELEMENT, ObjectAssert<ELEMENT>> assumeThat(List<? extends ELEMENT> actual) {
return asAssumption(ProxyableListAssert.class, List.class, actual);
}
/**
* Creates a new instance of <code>{@link ObjectArrayAssert}</code> assumption.
*
* @param <T> the type of elements.
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <T> ProxyableObjectArrayAssert<T> assumeThat(T[] actual) {
return asAssumption(ProxyableObjectArrayAssert.class, Object[].class, actual);
}
/**
* Creates a new instance of <code>{@link MapAssert}</code> assumption.
*
* @param <K> the type of keys in the map.
* @param <V> the type of values in the map.
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <K, V> AbstractMapAssert<?, ?, K, V> assumeThat(Map<K, V> actual) {
return asAssumption(ProxyableMapAssert.class, Map.class, actual);
}
/**
* Creates a new instance of <code>{@link GenericComparableAssert}</code> assumption.
*
* @param <T> the type of actual.
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
@SuppressWarnings("unchecked")
public static <T extends Comparable<? super T>> AbstractComparableAssert<?, T> assumeThat(T actual) {
return asAssumption(GenericComparableAssert.class, Comparable.class, actual);
}
/**
* Creates a new instance of <code>{@link ThrowableAssert}</code> assumption.
*
* @param actual the actual value.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractThrowableAssert<?, ? extends Throwable> assumeThat(Throwable actual) {
return asAssumption(ThrowableAssert.class, Throwable.class, actual);
}
/**
* Allows to capture and then assume on a {@link Throwable} (easier done with lambdas).
* <p>
* Example :
* <pre><code class='java'> {@literal @}Test
* public void testException() {
* assumeThatThrownBy(() -> { throw new Exception("boom!") }).isInstanceOf(Exception.class)
* .hasMessageContaining("boom");
* }</code></pre>
*
* @param shouldRaiseThrowable The {@link ThrowingCallable} or lambda with the code that should raise the throwable.
* @return the created assumption for assertion object.
* @since 2.9.0 / 3.9.0
*/
@CheckReturnValue
public static AbstractThrowableAssert<?, ? extends Throwable> assumeThatThrownBy(ThrowingCallable shouldRaiseThrowable) {
return asAssumption(ThrowableAssert.class, Throwable.class, catchThrowable(shouldRaiseThrowable));
}
/**
* Allows to capture and then assume on a {@link Throwable} (easier done with lambdas).
* <p>
* The main difference with {@code assumeThatThrownBy(ThrowingCallable)} is that this method does not fail if no exception was thrown.
* <p>
* Example :
* <pre><code class='java'> ThrowingCallable callable = () -> {
* throw new Exception("boom!");
* };
*
* // assertion succeeds
* assumeThatCode(callable).isInstanceOf(Exception.class)
* .hasMessageContaining("boom");
*
* // assertion fails
* assumeThatCode(callable).doesNotThrowAnyException();</code></pre>
* <p>
* This method was not named {@code assumeThat} because the java compiler reported it ambiguous when used directly with a lambda :(
*
* @param shouldRaiseOrNotThrowable The {@link ThrowingCallable} or lambda with the code that should raise the throwable.
* @return the created {@link ThrowableAssert}.
* @since 3.9.0
*/
@CheckReturnValue
public static AbstractThrowableAssert<?, ? extends Throwable> assumeThatCode(ThrowingCallable shouldRaiseOrNotThrowable) {
return assumeThat(catchThrowable(shouldRaiseOrNotThrowable));
}
// Java 8 assumptions methods
/**
* Creates a new instance of {@link PredicateAssert} assumption.
*
* @param <T> the {@link Predicate} type.
* @param actual the Predicate to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/
@SuppressWarnings("unchecked")
@CheckReturnValue
public static <T> ProxyablePredicateAssert<T> assumeThat(Predicate<T> actual) {
return asAssumption(ProxyablePredicateAssert.class, Predicate.class, actual);
}
/**
* Creates a new instance of {@link IntPredicateAssert} assumption.
*
* @param actual the IntPredicate to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/
@CheckReturnValue
public static IntPredicateAssert assumeThat(IntPredicate actual) {
return asAssumption(IntPredicateAssert.class, IntPredicate.class, actual);
}
/**
* Creates a new instance of {@link LongPredicateAssert} assumption.
*
* @param actual the LongPredicate to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/
@CheckReturnValue
public static LongPredicateAssert assumeThat(LongPredicate actual) {
return asAssumption(LongPredicateAssert.class, LongPredicate.class, actual);
}
/**
* Creates a new instance of {@link DoublePredicateAssert} assumption.
*
* @param actual the DoublePredicate to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/
@CheckReturnValue
public static DoublePredicateAssert assumeThat(DoublePredicate actual) {
return asAssumption(DoublePredicateAssert.class, DoublePredicate.class, actual);
}
/**
* Creates a new instance of {@link CompletableFutureAssert} assumption.
*
* @param <RESULT> the CompletableFuture wrapped type.
* @param actual the CompletableFuture to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/
@SuppressWarnings("unchecked")
@CheckReturnValue
public static <RESULT> CompletableFutureAssert<RESULT> assumeThat(CompletableFuture<RESULT> actual) {
return asAssumption(CompletableFutureAssert.class, CompletableFuture.class, actual);
}
/**
* Creates a new instance of {@link CompletableFutureAssert} assumption for a {@link java.util.concurrent.CompletionStage}
* by converting it to a {@link CompletableFuture} and returning a {@link CompletableFutureAssert}.
* <p>
* If the given {@link java.util.concurrent.CompletionStage} is null, the {@link CompletableFuture} in the returned {@link CompletableFutureAssert} will also be null.
*
* @param <RESULT> the CompletableFuture wrapped type.
* @param actual the CompletableFuture to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/
@SuppressWarnings("unchecked")
@CheckReturnValue
public static <RESULT> CompletableFutureAssert<RESULT> assumeThat(CompletionStage<RESULT> actual) {
return asAssumption(CompletableFutureAssert.class, CompletionStage.class, actual);
}
/**
* Creates a new instance of {@link OptionalAssert} assumption.
*
* @param <VALUE> the Optional wrapped type.
* @param actual the Optional to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/
@SuppressWarnings("unchecked")
@CheckReturnValue
public static <VALUE> OptionalAssert<VALUE> assumeThat(Optional<VALUE> actual) {
return asAssumption(OptionalAssert.class, Optional.class, actual);
}
/**
* Creates a new instance of {@link OptionalDoubleAssert} assumption.
*
* @param actual the OptionalDouble to test
* @return the created assumption for assertion object.
* @since 3.9.0
*/