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How to use checkWithNullArgument_throwsError method of test.MatchersTest class

Best Mockito-kotlin code snippet using test.MatchersTest.checkWithNullArgument_throwsError

MatchersTest.kt

Source:MatchersTest.kt

...192            }193        }194    }195    @Test196    fun checkWithNullArgument_throwsError() {197        mock<Methods>().apply {198            nullableString(null)199            expectErrorWithMessage("null").on {200                verify(this).nullableString(check {})201            }202        }203    }204    @Test205    fun isA_withNonNullableString() {206        mock<Methods>().apply {207            string("")208            verify(this).string(isA<String>())209        }210    }...

checkWithNullArgument_throwsError

Using AI Code Generation

1	public void checkWithNullArgument_throwsError() {2		String actual = null;3		String expected = "Hello";4		assertThrows(IllegalArgumentException.class, () -> Matchers.checkWithNullArgument(actual, expected));5	}6	public void checkWithNullArgument_throwsError() {7		String actual = "Hello";8		String expected = null;9		assertThrows(IllegalArgumentException.class, () -> Matchers.checkWithNullArgument(actual, expected));10	}11}

checkWithNullArgument_throwsError

Using AI Code Generation

1@Test(expected = AssertionError.class)2public void checkWithNullArgument_throwsError() throws Exception {3checkWithNullArgument_throwsError();4}5}6import org.junit.Rule;7import org.junit.Test;8import org.junit.rules.ExpectedException;9import static org.hamcrest.CoreMatchers.equalTo;10import static org.hamcrest.CoreMatchers.is;11import static org.hamcrest.CoreMatchers.nullValue;12import static org.hamcrest.CoreMatchers.startsWith;13import static org.junit.Assert.assertThat;14import static org.junit.rules.ExpectedException.none;15public class MatchersTest {16private static final String ERROR_MESSAGE = "error message";17public ExpectedException thrown = none();18public void checkWithNullArgument_throwsError() throws Exception {19thrown.expect(IllegalArgumentException.class);20thrown.expectMessage(equalTo(ERROR_MESSAGE));21checkWithNullArgument_throwsError();22}23private void checkWithNullArgument_throwsError() {24throw new IllegalArgumentException(ERROR_MESSAGE);25}26}27Let’s look at some examples of using the assertThat() method:

checkWithNullArgument_throwsError

Using AI Code Generation

1public void checkWithNullArgument_throwsError() {2    assertThat(() -> MatchersTest.checkWithNullArgument_throwsError(null), throwsException(IllegalArgumentException.class));3}4public void checkWithNullArgument_throwsError() {5    try {6        MatchersTest.checkWithNullArgument_throwsError(null);7        fail("Expected an IllegalArgumentException to be thrown");8    } catch (IllegalArgumentException anIllegalArgumentException) {9        assertThat(anIllegalArgumentException.getMessage(), is("argument cannot be null"));10    }11}12public void checkWithNullArgument_throwsError() {13    try {14        MatchersTest.checkWithNullArgument_throwsError(null);15        fail("Expected an IllegalArgumentException to be thrown");16    } catch (IllegalArgumentException anIllegalArgumentException) {17        assertThat(anIllegalArgumentException.getMessage(), is("argument cannot be null"));18    }19}20public void checkWithNullArgument_throwsError() {21    try {22        MatchersTest.checkWithNullArgument_throwsError(null);23        fail("Expected an IllegalArgumentException to be thrown");24    } catch (IllegalArgumentException anIllegalArgumentException) {25        assertThat(anIllegalArgumentException.getMessage(), is("argument cannot be null"));26    }27}28public void checkWithNullArgument_throwsError() {29    try {30        MatchersTest.checkWithNullArgument_throwsError(null);31        fail("Expected an IllegalArgumentException to be thrown");32    } catch (IllegalArgumentException anIllegalArgumentException) {33        assertThat(anIllegalArgumentException.getMessage(), is("argument cannot be null"));34    }35}36public void checkWithNullArgument_throwsError() {37    try {

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