How to use isException method of org.junit.matchers.JUnitMatchers class

Best junit code snippet using org.junit.matchers.JUnitMatchers.isException

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...55 {56 return CoreMatchers.hasItems(paramVarArgs);57 }58 59 public static <T extends Exception> Matcher<T> isException(Matcher<T> paramMatcher)60 {61 return StacktracePrintingMatcher.isException(paramMatcher);62 }63 64 public static <T extends Throwable> Matcher<T> isThrowable(Matcher<T> paramMatcher)65 {66 return StacktracePrintingMatcher.isThrowable(paramMatcher);67 }68}6970 71/​* Location: L:\local\mybackup\temp\qq_apk\com.tencent.tim\classes14.jar 72 * Qualified Name: org.junit.matchers.JUnitMatchers 73 * JD-Core Version: 0.7.0.1 ...

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isException

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1public void testIsException() {2 assertThat("exception", new Runnable() {3 public void run() {4 throw new RuntimeException("exception");5 }6 }, isException(RuntimeException.class));7}8public void testIsException() {9 assertThat("exception", new Runnable() {10 public void run() {11 throw new RuntimeException("exception");12 }13 }, isException(RuntimeException.class));14}15public void testIsException() {16 assertThat("exception", new Runnable() {17 public void run() {18 throw new RuntimeException("exception");19 }20 }, isException(RuntimeException.class));21}22public void testIsException() {23 assertThat("exception", new Runnable() {24 public void run() {25 throw new RuntimeException("exception");26 }27 }, isException(RuntimeException.class));28}29public void testIsException() {30 assertThat("exception", new Runnable() {31 public void run() {32 throw new RuntimeException("exception");33 }34 }, isException(RuntimeException.class));35}

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isException

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1public void testException() {2 assertThat(new Runnable() {3 public void run() {4 throw new NullPointerException();5 }6 }, isException(NullPointerException.class));7}8public void testExceptionWithMessage() {9 assertThat(new Runnable() {10 public void run() {11 throw new NullPointerException("null");12 }13 }, isException(NullPointerException.class, "null"));14}15public void testExceptionWithMessageMatcher() {16 assertThat(new Runnable() {17 public void run() {18 throw new NullPointerException("null");19 }20 }, isException(NullPointerException.class, startsWith("n")));21}22public void testExceptionWithMessageMatcherAndMessage() {23 assertThat(new Runnable() {24 public void run() {25 throw new NullPointerException("null");26 }27 }, isException(NullPointerException.class, startsWith("n"), "exception message"));28}29public void testExceptionWithMessageMatcherAndMessage2() {30 assertThat(new Runnable() {31 public void run() {32 throw new NullPointerException("null");33 }34 }, isException(NullPointerException.class, startsWith("n"), "exception message"));35}

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isException

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1import static org.junit.Assert.assertThat;2import static org.junit.matchers.JUnitMatchers.isException;3import java.io.IOException;4import org.junit.Test;5public class JUnitMatcherTest {6 public void testIsException() {7 try {8 throw new IOException("IO Exception");9 } catch (IOException e) {10 assertThat(e, isException(IOException.class));11 }12 }13}14JUnit Matcher isException() method is deprecated15The correct way to use isException() method is as follows:16import static org.hamcrest.CoreMatchers.instanceOf;17import static org.junit.Assert.assertThat;18import java.io.IOException;19import org.junit.Test;20public class JUnitMatcherTest {21 public void testIsException() {22 try {23 throw new IOException("IO Exception");24 } catch (IOException e) {25 assertThat(e, instanceOf(IOException.class));26 }27 }28}29JUnit Matcher isException() method is deprecated30JUnit Matcher isException() method is deprecated31JUnit Matcher hasItem() method is deprecated32JUnit Matcher hasItems() method is deprecated33JUnit Matcher hasItemInArray() method is deprecated34JUnit Matcher hasToString() method is deprecated35JUnit Matcher hasProperty() method is deprecated36JUnit Matcher hasEntry() method is deprecated37JUnit Matcher hasKey() method is deprecated38JUnit Matcher hasValue() method is deprecated39JUnit Matcher hasItemsInArray() method is deprecated40JUnit Matcher hasItemInArray() method is deprecated41JUnit Matcher hasItem() method is deprecated42JUnit Matcher hasItems() method is deprecated43JUnit Matcher hasToString() method is deprecated44JUnit Matcher hasProperty() method is deprecated45JUnit Matcher hasEntry() method is deprecated46JUnit Matcher hasKey() method is deprecated47JUnit Matcher hasValue() method is deprecated48JUnit Matcher hasItemsInArray() method is deprecated49JUnit Matcher hasItemInArray() method is deprecated50JUnit Matcher hasItem() method is deprecated51JUnit Matcher hasItems() method is deprecated

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isException

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1import org.junit.Test;2import static org.junit.Assert.*;3import static org.junit.matchers.JUnitMatchers.*;4import static org.hamcrest.CoreMatchers.*;5public class TestJunit4 {6 public void testAssertArrayEquals() {7 byte[] expected = "trial".getBytes();8 byte[] actual = "trial".getBytes();9 assertArrayEquals("failure - byte arrays not same", expected, actual);10 }11 public void testAssertEquals() {12 assertEquals("failure - strings are not equal", "text", "text");13 }14 public void testAssertFalse() {15 assertFalse("failure - should be false", false);16 }17 public void testAssertNotNull() {18 assertNotNull("should not be null", new Object());19 }20 public void testAssertNotSame() {21 assertNotSame("should not be same Object", new Object(), new Object());22 }23 public void testAssertNull() {24 assertNull("should be null", null);25 }26 public void testAssertSame() {27 Integer aNumber = Integer.valueOf(768);28 assertSame("should be same", aNumber, aNumber);29 }30 public void testAssertThatBothContainsString() {31 assertThat("albumen", both(containsString("a")).and(containsString("b")));32 }33 public void testAssertThatHasItems() {34 assertThat(Arrays.asList("one", "two", "three"), hasItems("one", "three"));35 }36 public void testAssertThathasItemsContainsString() {37 assertThat(Arrays.asList(new String[] { "fun", "ban", "net" }), hasItems(containsString("fun"), containsString("ban")));38 }39 public void testAssertThatEveryItemContainsString() {40 assertThat(Arrays.asList(new String[] { "fun", "ban", "net" }), everyItem(containsString("n")));41 }42 public void testAssertThatHamcrestCoreMatchers() {43 assertThat("good", allOf(equalTo("good"), startsWith("good")));44 assertThat("good", not(allOf(equalTo

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Had the same message. I had to remove the Run/Debug configuration.

In my case, I ran the unit test as a local test before. After that I moved my test to the androidTest package and tried to run it again. Android Studio remembered the last run configuration so it tried to run it again as a local unit test which produced the same error.

After removing the config and running the test again it generated a new configuration and worked.

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https://stackoverflow.com/questions/39282282/class-not-found-empty-test-suite-in-intellij

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