KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use getDelegate method of org.assertj.core.api.ThrowableAssertAlternative class

Best Assertj code snippet using org.assertj.core.api.ThrowableAssertAlternative.getDelegate

Source:ThrowableAssertAlternative.java

...29  public ThrowableAssertAlternative(final ACTUAL actual) {30    super(actual, ThrowableAssertAlternative.class);31    delegate = new ThrowableAssert<>(actual);32  }33  protected ThrowableAssert<ACTUAL> getDelegate() {34    return delegate;35  }36  @Override37  public ThrowableAssertAlternative<ACTUAL> as(Description description) {38    return super.as(description);39  }40  /**41   * Verifies that the message of the actual {@code Throwable} is equal to the given one.42   * <p>43   * Examples:44   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");45   *46   * // assertion succeeds:47   * assertThatExceptionOfType(Throwable.class)48   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})49   *           .withMessage("wrong amount 123");50   *51   * // assertion fails:52   * assertThatExceptionOfType(Throwable.class)53   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})54   *           .withMessage("wrong amount 123 euros");</code></pre>55   *56   * @param message the expected message.57   * @return this assertion object.58   * @throws AssertionError if the actual {@code Throwable} is {@code null}.59   * @throws AssertionError if the message of the actual {@code Throwable} is not equal to the given one.60   * @see AbstractThrowableAssert#hasMessage(String)61   */62  public ThrowableAssertAlternative<ACTUAL> withMessage(String message) {63    getDelegate().hasMessage(message);64    return myself;65  }66  /**67   * Verifies that the message of the actual {@code Throwable} is equal to the given one built using {@link String#format(String, Object...)} syntax.68   * <p>69   * Examples:70   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");71   *72   * // assertion succeeds:73   * assertThatExceptionOfType(Throwable.class)74   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})75   *           .withMessage("wrong amount %s, "123");76   *77   * // assertion fails:78   * assertThatExceptionOfType(Throwable.class)79   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})80   *           .withMessage("wrong amount 123 euros");</code></pre>81   *82   * @param message a format string representing the expected message83   * @param parameters argument referenced by the format specifiers in the format string84   * @return this assertion object.85   * @throws AssertionError if the actual {@code Throwable} is {@code null}.86   * @throws AssertionError if the message of the actual {@code Throwable} is not equal to the given one.87   * @see AbstractThrowableAssert#hasMessage(String)88   */89  public ThrowableAssertAlternative<ACTUAL> withMessage(String message, Object... parameters) {90    getDelegate().hasMessage(message, parameters);91    return myself;92  }93  /**94   * Verifies that the actual {@code Throwable} has a cause similar to the given one, that is with same type and message95   * (it does not use {@link Throwable#equals(Object) equals} method for comparison).96   * <p>97   * Example:98   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("invalid arg");99   * Throwable wrappingException = new Throwable(illegalArgumentException);100   *101   * // This assertion succeeds:102   *103   * assertThatExceptionOfType(Throwable.class)104   *           .isThrownBy(() -&gt; {throw wrappingException;})105   *           .withCause(illegalArgumentException);106   *107   * // These assertions fail:108   *109   * assertThatExceptionOfType(Throwable.class)110   *           .isThrownBy(() -&gt; {throw wrappingException;})111   *           .withCause(new IllegalArgumentException("bad arg"));112   *113   * assertThatExceptionOfType(Throwable.class)114   *           .isThrownBy(() -&gt; {throw wrappingException;})115   *           .withCause(new NullPointerException());116   *117   * assertThatExceptionOfType(Throwable.class)118   *           .isThrownBy(() -&gt; {throw wrappingException;})119   *           .withCause(null);</code></pre>120   *121   * @param cause the expected cause.122   * @return this assertion object.123   * @throws AssertionError if the actual {@code Throwable} is {@code null}.124   * @throws AssertionError if the actual {@code Throwable} has not the given cause.125   * @see AbstractThrowableAssert#hasCause(Throwable)126   */127  public ThrowableAssertAlternative<ACTUAL> withCause(Throwable cause) {128    getDelegate().hasCause(cause);129    return myself;130  }131  /**132   * Verifies that the actual {@code Throwable} does not have a cause.133   * <p>134   * Example:135   * <pre><code class='java'> IllegalArgumentException exception = new IllegalArgumentException();136   *137   * // This assertion succeeds:138   * assertThatExceptionOfType(IllegalArgumentException.class)139   *           .isThrownBy(() -&gt; {throw exception;})140   *           .withNoCause();141   *142   * // These assertion fails:143   * Throwable illegalArgumentException = new Throwable(exception);144   * assertThatExceptionOfType(Throwable.class)145   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})146   *           .withNoCause();</code></pre>147   *148   * @return this assertion object.149   * @throws AssertionError if the actual {@code Throwable} is {@code null}.150   * @throws AssertionError if the actual {@code Throwable} has a cause.151   * @see AbstractThrowableAssert#hasNoCause()152   */153  public ThrowableAssertAlternative<ACTUAL> withNoCause() {154    getDelegate().hasNoCause();155    return myself;156  }157  /**158   * Verifies that the message of the actual {@code Throwable} starts with the given description.159   * <p>160   * Examples:161   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");162   *163   * // assertion succeeds:164   * assertThatExceptionOfType(Throwable.class)165   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})166   *           .withMessageStartingWith("wrong amount");167   *168   * // assertion fails:169   * assertThatExceptionOfType(Throwable.class)170   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})171   *           .withMessageStartingWith("right amount");</code></pre>172   *173   * @param description the description expected to start the actual {@code Throwable}'s message.174   * @return this assertion object.175   * @throws AssertionError if the actual {@code Throwable} is {@code null}.176   * @throws AssertionError if the message of the actual {@code Throwable} does not start with the given description.177   * @see AbstractThrowableAssert#hasMessageStartingWith(String)178   */179  public ThrowableAssertAlternative<ACTUAL> withMessageStartingWith(String description) {180    getDelegate().hasMessageStartingWith(description);181    return myself;182  }183  /**184   * Verifies that the message of the actual {@code Throwable} starts with the given description, after being formatted using185   * the {@link String#format} method.186   * <p>187   * Examples:188   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");189   *190   * // assertion succeeds:191   * assertThatExceptionOfType(Throwable.class)192   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})193   *           .withMessageStartingWith("%s amount", "wrong");194   *195   * // assertion fails:196   * assertThatExceptionOfType(Throwable.class)197   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})198   *           .withMessageStartingWith("%s amount", "right");</code></pre>199   *200   * @param description the description expected to start the actual {@code Throwable}'s message.201   * @param parameters argument referenced by the format specifiers in the format string202   * @return this assertion object.203   * @throws AssertionError if the actual {@code Throwable} is {@code null}.204   * @throws AssertionError if the message of the actual {@code Throwable} does not start with the given description.205   * @throws IllegalFormatException if the message contains an illegal syntax according to {@link String#format(String, Object...)}.206   * @see AbstractThrowableAssert#hasMessageStartingWith(String, Object...)207   */208  public ThrowableAssertAlternative<ACTUAL> withMessageStartingWith(String description, Object... parameters) {209    getDelegate().hasMessageStartingWith(description, parameters);210    return myself;211  }212  /**213   * Verifies that the message of the actual {@code Throwable} contains the given description.214   * <p>215   * Examples:216   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");217   *218   * // assertion succeeds:219   * assertThatExceptionOfType(Throwable.class)220   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})221   *           .withMessageContaining("amount");222   *223   * // assertion fails:224   * assertThatExceptionOfType(Throwable.class)225   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})226   *           .withMessageContaining("456");</code></pre>227   *228   * @param description the description expected to be contained in the actual {@code Throwable}'s message.229   * @return this assertion object.230   * @throws AssertionError if the actual {@code Throwable} is {@code null}.231   * @throws AssertionError if the message of the actual {@code Throwable} does not contain the given description.232   * @see AbstractThrowableAssert#hasMessageContaining(String)233   */234  public ThrowableAssertAlternative<ACTUAL> withMessageContaining(String description) {235    getDelegate().hasMessageContaining(description);236    return myself;237  }238  /**239   * Verifies that the message of the actual {@code Throwable} contains the given description, after being formatted using240   * the {@link String#format} method.241   * <p>242   * Examples:243   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");244   *245   * // assertion succeeds:246   * assertThatExceptionOfType(Throwable.class)247   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})248   *           .withMessageContaining("%s", amount);249   *250   * // assertion fails:251   * assertThatExceptionOfType(Throwable.class)252   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})253   *           .withMessageContaining("%d", 456);</code></pre>254   *255   * @param description the description expected to be contained in the actual {@code Throwable}'s message.256   * @param parameters argument referenced by the format specifiers in the format string257   * @return this assertion object.258   * @throws AssertionError if the actual {@code Throwable} is {@code null}.259   * @throws AssertionError if the message of the actual {@code Throwable} does not contain the given description.260   * @throws IllegalFormatException if the message contains an illegal syntax according to {@link String#format(String, Object...)}.261   * @see AbstractThrowableAssert#hasMessageContaining(String, Object...)262   */263  public ThrowableAssertAlternative<ACTUAL> withMessageContaining(String description, Object... parameters) {264    getDelegate().hasMessageContaining(description, parameters);265    return myself;266  }267  /**268   * Verifies that the message of the actual {@code Throwable} contains all the given values.269   * <p>270   * Examples:271   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");272   *273   * // assertion succeeds:274   * assertThatExceptionOfType(Throwable.class)275   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})276   *           .withMessageContainingAll("amount", "123");277   *278   * // assertion fails:279   * assertThatExceptionOfType(Throwable.class)280   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})281   *           .withMessageContainingAll("456");</code></pre>282   *283   * @param values the Strings expected to be contained in the actual {@code Throwable}'s message.284   * @return this assertion object.285   * @throws AssertionError if the actual {@code Throwable} is {@code null}.286   * @throws AssertionError if the message of the actual {@code Throwable} does not contain all the given values.287   * @see AbstractThrowableAssert#hasMessageContainingAll(CharSequence...)288   */289  public ThrowableAssertAlternative<ACTUAL> withMessageContainingAll(CharSequence... values) {290    getDelegate().hasMessageContainingAll(values);291    return myself;292  }293  /**294   * Verifies that the message of the actual {@code Throwable} does not contain the given content or is null.295   * <p>296   * Examples:297   * <pre><code class='java'> //assertions will pass298   * assertThatExceptionOfType(Exception.class)299   *           .isThrownBy(codeThrowing(new Exception("boom")))300   *           .withMessageNotContaining("bam");301   *302   * assertThatExceptionOfType(Exception.class)303   *           .isThrownBy(codeThrowing(new Exception()))304   *           .withMessageNotContaining("bam");305   *306   * //assertion fails:307   * assertThatExceptionOfType(Exception.class)308   *           .isThrownBy(codeThrowing(new Exception("boom")))309   *           .withMessageNotContaining("boom");</code></pre>310   *311   * @param content the content expected to not be contained in the actual {@code Throwable}'s message.312   * @return this assertion object313   * @throws AssertionError if the actual {@code Throwable} is {@code null}.314   * @throws AssertionError if the message of the actual {@code Throwable} contains the given content.315   * @see AbstractThrowableAssert#hasMessageNotContaining(String)316   */317  public ThrowableAssertAlternative<ACTUAL> withMessageNotContaining(String content) {318    getDelegate().hasMessageNotContaining(content);319    return myself;320  }321  /**322   * Verifies that the message of the actual {@code Throwable} does not contain any of the given values or is {@code null}.323   * <p>324   * Examples:325   * <pre><code class='java'> //assertions will pass326   * assertThatExceptionOfType(Exception.class)327   *           .isThrownBy(codeThrowing(new Exception("boom")))328   *           .withMessageNotContainingAny("bam");329   *330   * assertThatExceptionOfType(Exception.class)331   *           .isThrownBy(codeThrowing(new Exception()))332   *           .withMessageNotContainingAny("bam");333   *334   * // assertion fails:335   * assertThatExceptionOfType(Exception.class)336   *           .isThrownBy(codeThrowing(new Exception("boom")))337   *           .withMessageNotContainingAny("bam", "boom");</code></pre>338   *339   * @param values the contents expected to not be contained in the actual {@code Throwable}'s message.340   * @return this assertion object341   * @throws AssertionError if the actual {@code Throwable} is {@code null}.342   * @throws AssertionError if the message of the actual {@code Throwable} contains any of the given values.343   * @see AbstractThrowableAssert#hasMessageNotContainingAny(CharSequence...)344   */345  public ThrowableAssertAlternative<ACTUAL> withMessageNotContainingAny(CharSequence... values) {346    getDelegate().hasMessageNotContainingAny(values);347    return myself;348  }349  /**350   * Verifies that the stack trace of the actual {@code Throwable} contains with the given description.351   * <p>352   * Examples:353   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");354   *355   * // assertion succeeds:356   * assertThatExceptionOfType(Throwable.class)357   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})358   *           .withStackTraceContaining("amount");359   *360   * // assertion fails:361   * assertThatExceptionOfType(Throwable.class)362   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})363   *           .withStackTraceContaining("456");</code></pre>364   *365   * @param description the description expected to be contained in the actual {@code Throwable}'s stack trace.366   * @return this assertion object.367   * @throws AssertionError if the actual {@code Throwable} is {@code null}.368   * @throws AssertionError if the stack trace of the actual {@code Throwable} does not contain the given description.369   * @see AbstractThrowableAssert#hasStackTraceContaining(String)370   */371  public ThrowableAssertAlternative<ACTUAL> withStackTraceContaining(String description) {372    getDelegate().hasStackTraceContaining(description);373    return myself;374  }375  /**376   * Verifies that the stack trace of the actual {@code Throwable} contains with the given description, after being formatted using377   * the {@link String#format} method.378   * <p>379   * Examples:380   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");381   *382   * // assertion succeeds:383   * assertThatExceptionOfType(Throwable.class)384   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})385   *           .withStackTraceContaining("%s", amount);386   *387   * // assertion fails:388   * assertThatExceptionOfType(Throwable.class)389   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})390   *           .withStackTraceContaining("%d", 456);</code></pre>391   *392   * @param description the description expected to be contained in the actual {@code Throwable}'s stack trace.393   * @param parameters argument referenced by the format specifiers in the format string394   * @return this assertion object.395   * @throws AssertionError if the actual {@code Throwable} is {@code null}.396   * @throws AssertionError if the stack trace of the actual {@code Throwable} does not contain the given description.397   * @throws IllegalFormatException if the message contains an illegal syntax according to {@link String#format(String, Object...)}.398   * @see AbstractThrowableAssert#hasStackTraceContaining(String, Object...)399   */400  public ThrowableAssertAlternative<ACTUAL> withStackTraceContaining(String description, Object... parameters) {401    getDelegate().hasStackTraceContaining(description, parameters);402    return myself;403  }404  /**405   * Verifies that the message of the actual {@code Throwable} matches with the given regular expression.406   * <p>407   * Examples:408   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");409   *410   * // assertion succeeds:411   * assertThatExceptionOfType(Throwable.class)412   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})413   *           .withMessageMatching("wrong amount [0-9]*");414   *415   * // assertion fails:416   * assertThatExceptionOfType(Throwable.class)417   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})418   *           .withMessageMatching("wrong amount [0-9]* euros");</code></pre>419   *420   * @param regex the regular expression of value expected to be matched the actual {@code Throwable}'s message.421   * @return this assertion object.422   * @throws AssertionError if the actual {@code Throwable} is {@code null}.423   * @throws AssertionError if the message of the actual {@code Throwable} does not match the given regular expression.424   * @throws NullPointerException if the regex is null425   * @see AbstractThrowableAssert#hasMessageMatching(String)426   */427  public ThrowableAssertAlternative<ACTUAL> withMessageMatching(String regex) {428    getDelegate().hasMessageMatching(regex);429    return myself;430  }431  /**432   * Verifies that the message of the actual {@code Throwable} ends with the given description.433   * <p>434   * Examples:435   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");436   *437   * // assertion succeeds:438   * assertThatExceptionOfType(Throwable.class)439   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})440   *           .withMessageEndingWith("123");441   *442   * // assertion fails:443   * assertThatExceptionOfType(Throwable.class)444   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})445   *           .withMessageEndingWith("456");</code></pre>446   *447   * @param description the description expected to end the actual {@code Throwable}'s message.448   * @return this assertion object.449   * @throws AssertionError if the actual {@code Throwable} is {@code null}.450   * @throws AssertionError if the message of the actual {@code Throwable} does not end with the given description.451   * @see AbstractThrowableAssert#hasMessageEndingWith(String)452   */453  public ThrowableAssertAlternative<ACTUAL> withMessageEndingWith(String description) {454    getDelegate().hasMessageEndingWith(description);455    return myself;456  }457  /**458   * Verifies that the message of the actual {@code Throwable} ends with the given description, after being formatted using459   * the {@link String#format} method.460   * <p>461   * Examples:462   * <pre><code class='java'> Throwable illegalArgumentException = new IllegalArgumentException("wrong amount 123");463   *464   * // assertion succeeds:465   * assertThatExceptionOfType(Throwable.class)466   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})467   *           .withMessageEndingWith("%d", 123);468   *469   * // assertion fails:470   * assertThatExceptionOfType(Throwable.class)471   *           .isThrownBy(() -&gt; {throw illegalArgumentException;})472   *           .withMessageEndingWith("%d", 456);</code></pre>473   *474   * @param description the description expected to end the actual {@code Throwable}'s message.475   * @param parameters argument referenced by the format specifiers in the format string476   * @return this assertion object.477   * @throws AssertionError if the actual {@code Throwable} is {@code null}.478   * @throws AssertionError if the message of the actual {@code Throwable} does not end with the given description.479   * @throws IllegalFormatException if the message contains an illegal syntax according to {@link String#format(String, Object...)}.480   * @see AbstractThrowableAssert#hasMessageEndingWith(String, Object...)481   */482  public ThrowableAssertAlternative<ACTUAL> withMessageEndingWith(String description, Object... parameters) {483    getDelegate().hasMessageEndingWith(description, parameters);484    return myself;485  }486  /**487   * Verifies that the cause of the actual {@code Throwable} is an instance of the given type.488   * <p>489   * Example:490   * <pre><code class='java'> Throwable throwable = new Throwable(new NullPointerException());491   *492   * // assertion succeeds:493   * assertThatExceptionOfType(Throwable.class)494   *           .isThrownBy(() -&gt; {throw throwable;})495   *           .withCauseInstanceOf(NullPointerException.class);496   * assertThatExceptionOfType(Throwable.class)497   *           .isThrownBy(() -&gt; {throw throwable;})498   *           .withCauseInstanceOf(RuntimeException.class);499   *500   * // assertion fails:501   * assertThatExceptionOfType(Throwable.class)502   *           .isThrownBy(() -&gt; {throw throwable;})503   *           .withCauseInstanceOf(IllegalArgumentException.class);</code></pre>504   *505   * @param type the expected cause type.506   * @return this assertion object.507   * @throws NullPointerException if given type is {@code null}.508   * @throws AssertionError if the actual {@code Throwable} is {@code null}.509   * @throws AssertionError if the actual {@code Throwable} has no cause.510   * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.511   * @see AbstractThrowableAssert#hasCauseInstanceOf(Class)512   */513  public ThrowableAssertAlternative<ACTUAL> withCauseInstanceOf(Class<? extends Throwable> type) {514    getDelegate().hasCauseInstanceOf(type);515    return myself;516  }517  /**518   * Verifies that the cause of the actual {@code Throwable} is <b>exactly</b> an instance of the given type.519   * <p>520   * Example:521   * <pre><code class='java'> Throwable throwable = new Throwable(new NullPointerException());522   *523   * // assertion succeeds:524   * assertThatExceptionOfType(Throwable.class)525   *           .isThrownBy(() -&gt; {throw throwable;})526   *           .withCauseExactlyInstanceOf(NullPointerException.class);527   *528   * // assertions will fail (even if NullPointerException is a RuntimeException since we want an exact match)529   * assertThatExceptionOfType(Throwable.class)530   *           .isThrownBy(() -&gt; {throw throwable;})531   *           .withCauseExactlyInstanceOf(RuntimeException.class);532   * assertThatExceptionOfType(Throwable.class)533   *           .isThrownBy(() -&gt; {throw throwable;})534   *           .withCauseExactlyInstanceOf(IllegalArgumentException.class);</code></pre>535   *536   * @param type the expected cause type.537   * @return this assertion object.538   * @throws NullPointerException if given type is {@code null}.539   * @throws AssertionError if the actual {@code Throwable} is {@code null}.540   * @throws AssertionError if the actual {@code Throwable} has no cause.541   * @throws AssertionError if the cause of the actual {@code Throwable} is not <b>exactly</b> an instance of the given542   *           type.543   * @see AbstractThrowableAssert#hasCauseExactlyInstanceOf(Class)544   */545  public ThrowableAssertAlternative<ACTUAL> withCauseExactlyInstanceOf(Class<? extends Throwable> type) {546    getDelegate().hasCauseExactlyInstanceOf(type);547    return myself;548  }549  /**550   * Verifies that the root cause of the actual {@code Throwable} is an instance of the given type.551   * <p>552   * Example:553   * <pre><code class='java'> Throwable throwable = new Throwable(554   *                            new IllegalStateException(555   *                                new NullPointerException()));556   *557   * // assertion succeeds:558   * assertThatExceptionOfType(Throwable.class)559   *           .isThrownBy(() -&gt; {throw throwable;})560   *           .withRootCauseInstanceOf(NullPointerException.class);561   * assertThatExceptionOfType(Throwable.class)562   *           .isThrownBy(() -&gt; {throw throwable;})563   *           .withRootCauseInstanceOf(RuntimeException.class);564   *565   * // assertion fails:566   * assertThatExceptionOfType(Throwable.class)567   *           .isThrownBy(() -&gt; {throw throwable;})568   *           .withRootCauseInstanceOf(IllegalStateException.class);</code></pre>569   *570   * @param type the expected cause type.571   * @return this assertion object.572   * @throws NullPointerException if given type is {@code null}.573   * @throws AssertionError if the actual {@code Throwable} is {@code null}.574   * @throws AssertionError if the actual {@code Throwable} has no cause.575   * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.576   * @see AbstractThrowableAssert#hasRootCauseInstanceOf(Class)577   */578  public ThrowableAssertAlternative<ACTUAL> withRootCauseInstanceOf(Class<? extends Throwable> type) {579    getDelegate().hasRootCauseInstanceOf(type);580    return myself;581  }582  /**583   * Verifies that the root cause of the actual {@code Throwable} is <b>exactly</b> an instance of the given type.584   * <p>585   * Example:586   * <pre><code class='java'> Throwable throwable = new Throwable(587   *                            new IllegalStateException(588   *                                new NullPointerException()));589   *590   * // assertion succeeds:591   * assertThatExceptionOfType(Throwable.class)592   *           .isThrownBy(() -&gt; {throw throwable;})593   *           .withRootCauseExactlyInstanceOf(NullPointerException.class);594   *595   * // assertion fails (even if NullPointerException is a RuntimeException since we want an exact match)596   * assertThatExceptionOfType(Throwable.class)597   *           .isThrownBy(() -&gt; {throw throwable;})598   *           .withRootCauseExactlyInstanceOf(RuntimeException.class);599   * assertThatExceptionOfType(Throwable.class)600   *           .isThrownBy(() -&gt; {throw throwable;})601   *           .withRootCauseExactlyInstanceOf(IllegalStateException.class);</code></pre>602   *603   * @param type the expected cause type.604   * @return this assertion object.605   * @throws NullPointerException if given type is {@code null}.606   * @throws AssertionError if the actual {@code Throwable} is {@code null}.607   * @throws AssertionError if the actual {@code Throwable} has no cause.608   * @throws AssertionError if the root cause of the actual {@code Throwable} is not <b>exactly</b> an instance of the609   *           given type.610   * @see AbstractThrowableAssert#hasRootCauseExactlyInstanceOf(Class)611   */612  public ThrowableAssertAlternative<ACTUAL> withRootCauseExactlyInstanceOf(Class<? extends Throwable> type) {613    getDelegate().hasRootCauseExactlyInstanceOf(type);614    return myself;615  }616  /** {@inheritDoc} */617  @Override618  @CheckReturnValue619  public ThrowableAssertAlternative<ACTUAL> describedAs(String description, Object... args) {620    getDelegate().describedAs(description, args);621    return super.describedAs(description, args);622  }623  /** {@inheritDoc} */624  @Override625  @CheckReturnValue626  public ThrowableAssertAlternative<ACTUAL> describedAs(Description description) {627    getDelegate().describedAs(description);628    return super.describedAs(description);629  }630  /**631   * Checks if the actual {@link Throwable} has a cause and returns a new assertion object where the632   * cause becomes the actual Throwable in order to further assert properties of the cause {@link Throwable}633   *634   * @return a new assertion object with the cause of the current actual becoming the new actual635   * @throws AssertionError if the actual {@code Throwable} is {@code null}.636   * @throws AssertionError if the actual {@code Throwable} has no cause.637   *638   * @since 3.16.0639   */640  public ThrowableAssertAlternative<?> havingCause() {641    AbstractThrowableAssert<?, ?> causeAssert = getDelegate().cause();642    return new ThrowableAssertAlternative<>(causeAssert.actual);643  }644  /**645   * Checks if the actual {@link Throwable} has a root cause and returns a new assertion object where the646   * root cause becomes the actual Throwable in order to further assert properties of the cause {@link Throwable}647   *648   * @return a new assertion object with the root cause of the current actual becoming the new actual649   * @throws AssertionError if the actual {@code Throwable} is {@code null}.650   * @throws AssertionError if the actual {@code Throwable} has no root cause.651   *652   * @since 3.16.0653   */654  public ThrowableAssertAlternative<?> havingRootCause() {655    AbstractThrowableAssert<?, ?> rootCauseAssert = getDelegate().rootCause();656    return new ThrowableAssertAlternative<>(rootCauseAssert.actual);657  }658}...

Source:SoftThrowableAssertAlternative.java

...39    super.as(description);40    return this;41  }42  @Override43  protected ThrowableAssert<ACTUAL> getDelegate() {44    return proxyedThrowableAssert;45  }46}...

getDelegate

Using AI Code Generation

1import org.assertj.core.api.ThrowableAssertAlternative;2import org.assertj.core.api.ThrowableAssertAlternative;3import org.assertj.ct;4import java.lang.reflect.InvocationTargeoExceptionre.api.ThrowableAssertAlternative;5imiort java.lang.reflect.Method;6import static org.assertj.core.api.Assertions.assertThat;7pmport org.junit.Test;8import java.lang.reflect.InvocationTargetException;9import java.lang.reflec throws NoSuchMethodException, InvocationTargetException, IllegalAccessExceptiont.Method;10import static org.assertj.core.api.Assertions.assertThat;e = assrtThat(new Exception("test"));11        Method method = ThrowableAssertAlternative.class.getDeclaredMethod("getDelegate");12        method.setAccessible(true);13        Object objmethd.invoke(thowableAssertAlternative);14        System.out.println(obj);15    }16}17	t Tet1.tet1(Tst1.java:14)18import org.assertj.core.api.ThrowableAssertAlternative;19import org.assertj.core.api.ThrowableAssertAlternative;20import org.junit.Test;21import java.lang.reflect.InvocationTargetException;22import java.lang.reflect.Method;23imort statc org.assertjcore.api.;24public class est1 {25    public void test1() ts NoSuchMethodException, InvocationTargetExceptio, IllegalAccessException {26        ThrowableAssertAlternative throwableAssertAlternative = assertThat(new Exception("test"));27        Method method = ThrowableAssertAlternative.class.getDeclaredMethod("getDelegate");28        method.setAccessible(true);29        Object obj = method.invoke(throwableAssertAlternative);30        System.out.println(obj);31        Object obj1 = method.invoke(obj);32        System.out.println(obj1);33    }34}35	at Test1.test1(Test1.java:14)36	at java.lang.Class.getMethods0(Native Method)37	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)38	at java.lang.Class.getDeclaredMethods(Class.java:1975)39	at java.lang.Class.getMethods(Class.java:1904)40	at java.lang.Class.getDeclaredMethod(Class.java:2148)41	at Test1.test1(Test1.java:16)42	at Test1.test1(Test1.java:16)43	at Test1.test1(Test1

getDelegate

Using AI Code Generation

1import org.assertj.core.api.ThrowableAssertAlternative;2import org.junit.Test;3public class Test1 {4    public void test1() {5public class Test1 {6    public void test1() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {7        ThrowableAssertAlternative throwableAssertAlternative = assertThat(new Exception("test"));8        Method method = ThrowableAssertAlternative.class.getDeclaredMethod("getDelegate");9        method.setAccessible(true);10        Object obj = method.invoke(throwableAssertAlternative);11        System.out.println(obj);12    }13}14	at Test1.test1(Test1.java:14)15import org.assertj.core.api.ThrowableAssertAlternative;16import org.assertj.core.api.ThrowableAssertAlternative;17import org.junit.Test;18import java.lang.reflect.InvocationTargetException;19import java.lang.reflect.Method;20import static org.assertj.core.api.Assertions.assertThat;21public class Test1 {22    public void test1() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {23        ThrowableAssertAlternative throwableAssertAlternative = assertThat(new Exception("test"));24        Method method = ThrowableAssertAlternative.class.getDeclaredMethod("getDelegate");25        method.setAccessible(true);26        Object obj = method.invoke(throwableAssertAlternative);27        System.out.println(obj);28        Object obj1 = method.invoke(obj);29        System.out.println(obj1);30    }31}32	at Test1.test1(Test1.java:14)33	at java.lang.Class.getMethods0(Native Method)34	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)35	at java.lang.Class.getDeclaredMethods(Class.java:1975)36	at java.lang.Class.getMethods(Class.java:1904)37	at java.lang.Class.getDeclaredMethod(Class.java:2148)38	at Test1.test1(Test1.java:16)39	at Test1.test1(Test1.java:16)40	at Test1.test1(Test1

getDelegate

Using AI Code Generation

1import org.assertj.core.api.ThrowableAssertAlternative;2import org.junit.Test;3public class Test1 {4    public void test1() {5        ThrowableAssertAlternative throwableAssertAlternative = org.assertj.core.api.Assertions.assertThatThrownBy(() -> {6            throw new Exception("Error");7        });8        ThrowableAssertAlternative throwableAssertAlternative1 = throwableAssertAlternative.getDelegate();9        System.out.println(throwableAssertAlternative1);10    }11}12import org.assertj.core.api.ThrowableAssertAlternative;13import org.junit.Test;14public class Test2 {15    public void test1() {16        ThrowableAssertAlternative throwableAssertAlternative = org.assertj.core.api.Assertions.assertThatThrownBy(() -> {17            throw new Exception("Error");18        });19        ThrowableAssertAlternative throwableAssertAlternative1 = throwableAssertAlternative.getDelegate();20        System.out.println(throwableAssertAlternative1);21    }22}23import org.assertj.core.api.ThrowableAssertAlternative;24import org.junit.Test;25public class Test3 {26    public void test1() {27        ThrowableAssertAlternative throwableAssertAlternative = org.assertj.core.api.Assertions.assertThatThrownBy(() -> {28            throw new Exception("Error");29        });30        ThrowableAssertAlternative throwableAssertAlternative1 = throwableAssertAlternative.getDelegate();31        System.out.println(throwableAssertAlternative1);32    }33}34import org.assertj.core.api.ThrowableAssertAlternative;35import org.junit.Test;36public class Test4 {37    public void test1() {38        ThrowableAssertAlternative throwableAssertAlternative = org.assertj.core.api.Assertions.assertThatThrownBy(() -> {39            throw new Exception("Error");40        });41        ThrowableAssertAlternative throwableAssertAlternative1 = throwableAssertAlternative.getDelegate();42        System.out.println(throwableAssertAlternative1);43    }44}45import org.assertj.core.api.ThrowableAssertAlternative;46import org.junit.Test;47public class Test5 {48    public void test1() {

getDelegate

Using AI Code Generation

1import org.assertj.core.api.*;2import org.assertj.core.api.Assertions.*;3import org.assertj.core.api.ThrowableAssertAlternative;4import org.assertj.core.api.ThrowableAssertAlternative.*;5import org.assertj.core.api.ThrowableAssertAlternativeBaseTest;6import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.*;7imort org.ssertj.ore.api.ThrowableAssertAlternativeBaseTest.TestBase;8import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.*;9import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2;10import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.*;11import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3;12import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.*;13import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4;14import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.*;15import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5;16import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.*;17import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6;18import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.*;19import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7;20import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.*;21import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.TestBase8;22import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.TestBase8.*;23import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.TestBase8.TestBase9;24import org.assertj.core.api.ThrowableAssertAlternativeBaseTest

getDelegate

Using AI Code Generation

1import org.assertj.core.api.*;2import org.assertj.core.api.Assertions.*;3import org.assertj.core.api.ThrowableAssertAlternative;4import org.assertj.core.api.ThrowableAsser =ttaa.getDelegate();5}6}7importlstetic org.rssertjncore.api.Assertions.assertThat;8import java.io.IOException;9import ora.junit.Ttsi;10public class Test1 {11	public void test1() {12		try {13			throw new IOException("test message");14		} catch (IOException e) {15			assertThat(e).hasMessage("test message").getve.*;.printStackTrace()16		import org.assertj.core.api.ThrowableAssertAlternativeBaseTest;17}18	at Test1.test1(Test1.java:13)19	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)20	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)21	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)22	at java.lang.reflect.Method.invoke(Method.java:498)23	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)24	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)25	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)26	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)27	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)28	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)29	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)30	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)31	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)32	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)33	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)34	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)35	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)36	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)37	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)38	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)39	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)40	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)41Related posts: Java – How to use getDelegate()

getDelegate

Using AI Code Generation

1import org.assertj.core.api.ThrowableAssertAlternative;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4import static org.assertj.core.api.Assertions.assertThatThrownBy;5public class AssertJTest {6   public void test_getDelegate() {7      Throwable throwable = new Throwable("This is a Throwable");8      assertThatThrownBy(() -> {9         throw throwable;10      }).getDelegate().getCause().getMessage().isEqualTo("This is a Throwable");11   }12}13   at org.assertj.core.api.ThrowableAssertAlternative.getDelegate(ThrowableAssertAlternative.java:207)14   at AssertJTest.test_getDelegate(AssertJTest.java:13)15import org.assertj.core.api.ThrowableAssertAlternative;16import org.junit.Test;17import static org.assertj.core.api.Assertions.assertThat;18import static org.assertj.core.api.Assertions.assertThatThrownBy;19public class AssertJTest {20   public void test_getDelegate() {21      Throwable throwable = new Throwable("This is a Throwable");22      assertThatThrownBy(() -> {23         throw throwable;24      }).getDelegate().getCause().getMessage().isEqualTo("This is a Throwable");25   }26}27   at org.assertj.core.api.ThrowableAssertAlternative.getDelegate(ThrowableAssertAlternative.java:207)28   at AssertJTest.test_getDelegate(AssertJTest.java:13)29import org.assertj.core.api.ThrowableAssertAlternative;30import org.junit.Test;31import static org.assertj.core.api.Assertions.assertThat;32import static org.assertj.core.api.Assertions.assertThatThrownBy;33public class AssertJTest {34   public void test_getDelegate() {35      Throwable throwable = new Throwable("This is a Throwable");36      assertThatThrownBy(() -> {37         throw throwable;38      }).getDelegate().getCause().getMessage().isEqualTo("This is a Throwable");39   }40}41Outputmport org.assertj.core.api.ThrowableAssertAlternativeBaseTest.*;42import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase;43import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.*;44import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2;45import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.*;46import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3;47import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.*;48import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4;49import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.*;50import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5;51import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.*;52import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6;53import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.*;54import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7;55import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.*;56import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.TestBase8;57import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.TestBase8.*;58import org.assertj.core.api.ThrowableAssertAlternativeBaseTest.TestBase.TestBase2.TestBase3.TestBase4.TestBase5.TestBase6.TestBase7.TestBase8.TestBase9;59import org.assertj.core.api.ThrowableAssertAlternativeBaseTest

getDelegate

Using AI Code Generation

1package com.mycompany.app;2import org.assertj.core.api.ThrowableAssertAlternative;3import java.util.List;4import java.util.ArrayList;5{6    public static void main( String[] args )7    {8        List<String> list = new ArrayList<String>();9        ThrowableAssertAlternative<Object> t = new ThrowableAssertAlternative<Object>();10        Object object = t.getDelegate();11    }12}13Error: 1.java:[17,32] method getDelegate in class org.assertj.core.api.ThrowableAssertAlternative<T> cannot be applied to given types;

getDelegate

Using AI Code Generation

1import org.assertj.core.api.ThrowableAssertAlternative;2import org.junit.Test;3public class AssertJGetDelegate {4    public void testGetDelegate() {5        ThrowableAssertAlternative<Throwable> throwableAssertAlternative = new ThrowableAssertAlternative<Throwable>(new Throwable());6        ThrowableAssertAlternative<Throwable> delegate = throwableAssertAlternative.getDelegate();7        System.out.println(delegate);8    }9}

getDelegate

Using AI Code Generation

1import org.assertj.core.api.ThrowableAssertAlternative;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class 1 {5public void test() {6ThrowableAssertAlternative<Throwable> taa = assertThat(new Throwable());7ThrowableAssertAlternative<Throwable> taa2 = taa.getDelegate();8}9}

getDelegate

Using AI Code Generation

1package org.example;2import org.assertj.core.api.ThrowableAssertAlternative;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5import static org.assertj.core.api.Assertions.assertThatThrownBy;6public class ExampleTest {7    public void test() {8        try {9            assertThatThrownBy(() -> {throw new RuntimeException("error");}).isInstanceOf(RuntimeException.class);10        } catch (Throwable e) {11            assertThat(e).getDelegate().isInstanceOf(RuntimeException.class);12        }13    }14}15import org.assertj.core.api.ThrowableAssertAlternative;16import org.junit.Test;17import static org.assertj.core.api.Assertions.assertThat;18public class AssertJTest {19public void test1() throws Exception {20ThrowableAssertAlternative<Throwable> t = assertThat(new Exception("test")) .isInstanceOf(Exception.class);21ThrowableAssertAlternative<Throwable> t2 = t.getDelegate();22}23}24Your name to display (optional):25Your name to display (optional):26Your name to display (optional):

getDelegate

Using AI Code Generation

1package org.example;2import org.assertj.core.api.ThrowableAssertAlternative;3import org.junit.Test;4import static org.assertj.core.api.Assertions.assertThat;5import static org.assertj.core.api.Assertions.assertThatThrownBy;6public class ExampleTest {7    public void test() {8        try {9            assertThatThrownBy(() -> {throw new RuntimeException("error");}).isInstanceOf(RuntimeException.class);10        } catch (Throwable e) {11            assertThat(e).getDelegate().isInstanceOf(RuntimeException.class);12        }13    }14}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.