My-Spring-Test/Java-basic/src/test/java/basic/VarargsTest.java at main · kkminseok/My-Spring-Test · GitHub

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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}
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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}
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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}
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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}
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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}
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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}
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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}
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packagebasic;

importorg.junit.jupiter.api.Assertions;
importorg.junit.jupiter.api.Test;

importjava.util.Arrays;
importjava.util.Collections;
importjava.util.List;

publicclassVarargsTest {

@Test
publicvoidheap_pollution_test() {
//String one = firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());

Assertions.assertThrows(ClassCastException.class, () -> {firstOfFirst(Arrays.asList("one", "two"), Collections.emptyList());});
//기대하던 결과
//Assertions.assertEquals("one", one);
 }

publicstaticStringfirstOfFirst(List<String>... strings) {
List<Integer> ints = Collections.singletonList(42);
Object[] objects = strings;
objects[0] = ints; // Hepa pollution

returnstrings[0].get(0); //ClassCast Exception
 }
}