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Merge remote-tracking branch 'origin/master'

This commit is contained in:
slavisa-baeldung 2017-05-09 14:24:35 +01:00
parent 737d2e1b62 1c1885d37a
commit 9f031bb287
10 changed files with 154 additions and 0 deletions
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8
core-java/src/main/java/com/baeldung/stackoverflowerror/AccountHolder.java Normal file
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package com.baeldung.stackoverflowerror;
public class AccountHolder {
private String firstName;
private String lastName;
AccountHolder jointAccountHolder = new AccountHolder();
}

16
core-java/src/main/java/com/baeldung/stackoverflowerror/ClassOne.java Normal file
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package com.baeldung.stackoverflowerror;
public class ClassOne {
private int oneValue;
private ClassTwo clsTwoInstance = null;
public ClassOne() {
oneValue = 0;
clsTwoInstance = new ClassTwo();
}
public ClassOne(int oneValue, ClassTwo clsTwoInstance) {
this.oneValue = oneValue;
this.clsTwoInstance = clsTwoInstance;
}
}

16
core-java/src/main/java/com/baeldung/stackoverflowerror/ClassTwo.java Normal file
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package com.baeldung.stackoverflowerror;
public class ClassTwo {
private int twoValue;
private ClassOne clsOneInstance = null;
public ClassTwo() {
twoValue = 10;
clsOneInstance = new ClassOne();
}
public ClassTwo(int twoValue, ClassOne clsOneInstance) {
this.twoValue = twoValue;
this.clsOneInstance = clsOneInstance;
}
}

7
core-java/src/main/java/com/baeldung/stackoverflowerror/InfiniteRecursionWithTerminationCondition.java Normal file
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package com.baeldung.stackoverflowerror;
public class InfiniteRecursionWithTerminationCondition {
public int calculateFactorial(final int number) {
return number == 1 ? 1 : number * calculateFactorial(number - 1);
}
}

7
core-java/src/main/java/com/baeldung/stackoverflowerror/RecursionWithCorrectTerminationCondition.java Normal file
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package com.baeldung.stackoverflowerror;
public class RecursionWithCorrectTerminationCondition {
public static int calculateFactorial(final int number) {
return number <= 1 ? 1 : number * calculateFactorial(number - 1);
}
}

7
core-java/src/main/java/com/baeldung/stackoverflowerror/UnintendedInfiniteRecursion.java Normal file
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package com.baeldung.stackoverflowerror;
public class UnintendedInfiniteRecursion {
public int calculateFactorial(int number) {
return number * calculateFactorial(number - 1);
}
}

10
core-java/src/test/java/com/baeldung/stackoverflowerror/AccountHolderUnitTest.java Normal file
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package com.baeldung.stackoverflowerror;
import org.junit.Test;
public class AccountHolderUnitTest {
@Test(expected = StackOverflowError.class)
public void whenInstanciatingAccountHolder_thenThrowsException() {
AccountHolder holder = new AccountHolder();
}
}

17
core-java/src/test/java/com/baeldung/stackoverflowerror/CyclicDependancyUnitTest.java Normal file
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package com.baeldung.stackoverflowerror;
import static org.junit.Assert.fail;
import org.junit.Test;
public class CyclicDependancyUnitTest {
@Test
public void whenInstanciatingClassOne_thenThrowsException() {
try {
ClassOne obj = new ClassOne();
fail();
} catch (StackOverflowError soe) {
soe.printStackTrace();
}
}
}

37
core-java/src/test/java/com/baeldung/stackoverflowerror/InfiniteRecursionWithTerminationConditionUnitTest.java Normal file
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package com.baeldung.stackoverflowerror;
import static junit.framework.TestCase.assertEquals;
import static org.junit.Assert.fail;
import org.junit.Test;
public class InfiniteRecursionWithTerminationConditionUnitTest {
@Test
public void givenPositiveIntNoOne_whenCalcFact_thenThrowsException() {
int numToCalcFactorial = 1;
InfiniteRecursionWithTerminationCondition irtc = new InfiniteRecursionWithTerminationCondition();
assertEquals(1, irtc.calculateFactorial(numToCalcFactorial));
}
@Test
public void givenPositiveIntGtOne_whenCalcFact_thenThrowsException() {
int numToCalcFactorial = 5;
InfiniteRecursionWithTerminationCondition irtc = new InfiniteRecursionWithTerminationCondition();
assertEquals(120, irtc.calculateFactorial(numToCalcFactorial));
}
@Test
public void givenNegativeInt_whenCalcFact_thenThrowsException() {
try {
int numToCalcFactorial = -1;
InfiniteRecursionWithTerminationCondition irtc = new InfiniteRecursionWithTerminationCondition();
irtc.calculateFactorial(numToCalcFactorial);
fail();
} catch (StackOverflowError soe) {
soe.printStackTrace();
}
}
}

29
core-java/src/test/java/com/baeldung/stackoverflowerror/UnintendedInfiniteRecursionUnitTest.java Normal file
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package com.baeldung.stackoverflowerror;
import org.junit.Test;
public class UnintendedInfiniteRecursionUnitTest {
@Test(expected = StackOverflowError.class)
public void givenPositiveIntNoOne_whenCalFact_thenThrowsException() {
int numToCalcFactorial = 1;
UnintendedInfiniteRecursion uir = new UnintendedInfiniteRecursion();
uir.calculateFactorial(numToCalcFactorial);
}
@Test(expected = StackOverflowError.class)
public void givenPositiveIntGtOne_whenCalcFact_thenThrowsException() {
int numToCalcFactorial = 2;
UnintendedInfiniteRecursion uir = new UnintendedInfiniteRecursion();
uir.calculateFactorial(numToCalcFactorial);
}
@Test(expected = StackOverflowError.class)
public void givenNegativeInt_whenCalcFact_thenThrowsException() {
int numToCalcFactorial = -1;
UnintendedInfiniteRecursion uir = new UnintendedInfiniteRecursion();
uir.calculateFactorial(numToCalcFactorial);
}
}