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How to use thenIllegalStateException method of org.assertj.core.api.BDDAssertions class

Best Assertj code snippet using org.assertj.core.api.BDDAssertions.thenIllegalStateException

Source:WithBDDAssertionsForMockito.java

...815    default ThrowableTypeAssert<IOException> thenIOException() {816        return BDDAssertions.thenIOException();817    }818    /**819     * @see BDDAssertions#thenIllegalStateException()820     */821    default ThrowableTypeAssert<IllegalStateException> thenIllegalStateException() {822        return BDDAssertions.thenIllegalStateException();823    }824}...

Source:WithBDDAssertions.java

...815    default ThrowableTypeAssert<IOException> thenIOException() {816        return BDDAssertions.thenIOException();817    }818    /**819     * @see BDDAssertions#thenIllegalStateException()820     */821    default ThrowableTypeAssert<IllegalStateException> thenIllegalStateException() {822        return BDDAssertions.thenIllegalStateException();823    }824}...

Source:WritableAssertionInfo_overridingErrorMessage_Test.java

...11 * Copyright 2012-2020 the original author or authors.12 */13package org.assertj.core.api;14import static org.assertj.core.api.BDDAssertions.then;15import static org.assertj.core.api.BDDAssertions.thenIllegalStateException;16import org.junit.jupiter.api.Test;17class WritableAssertionInfo_overridingErrorMessage_Test {18  @Test19  void should_return_the_overriding_error_message_set_with_a_supplier() {20    // GIVEN21    String message = "my first message";22    WritableAssertionInfo info = new WritableAssertionInfo();23    // WHEN24    info.overridingErrorMessage(() -> message);25    // THEN26    then(info.overridingErrorMessage()).isEqualTo(message);27  }28  @Test29  void should_return_the_overriding_error_message_set_with_a_string() {30    // GIVEN31    String message = "my first message";32    WritableAssertionInfo info = new WritableAssertionInfo();33    // WHEN34    info.overridingErrorMessage(message);35    // THEN36    then(info.overridingErrorMessage()).isEqualTo(message);37  }38  @Test39  void should_not_allow_overriding_error_message_with_a_supplier_and_then_a_string() {40    // GIVEN41    WritableAssertionInfo info = new WritableAssertionInfo();42    info.overridingErrorMessage(() -> "my first message");43    // WHEN/THEN44    thenIllegalStateException().isThrownBy(() -> info.overridingErrorMessage("my second message"))45                               .withMessage("An error message has already been set with overridingErrorMessage(Supplier<String> supplier)");46  }47  @Test48  void should_not_allow_overriding_error_message_with_a_string_and_then_a_supplier() {49    // GIVEN50    WritableAssertionInfo info = new WritableAssertionInfo();51    info.overridingErrorMessage("my first message");52    // WHEN/THEN53    thenIllegalStateException().isThrownBy(() -> info.overridingErrorMessage(() -> "my second message"))54                               .withMessage("An error message has already been set with overridingErrorMessage(String newErrorMessage)");55  }56}...

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