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tests: add tests for GenericRoot #4276

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Merged
siriak merged 5 commits into from
Aug 3, 2023
Merged

tests: add tests for GenericRoot #4276

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7eb4d88
tests: add `GenericRootTest`
vil02 Jul 31, 2023
3531ea1
fix: handle negative inputs
vil02 Jul 31, 2023
6ec1b90
refactor: simplify `genericRoot` by using recursion
vil02 Jul 31, 2023
12fbb33
refactor: make`GenericRoot` a proper utility class
vil02 Jul 31, 2023
fec00bf
style: add `base`, mark input args as `final`
vil02 Jul 31, 2023
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fix: handle negative inputs
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@vil02
vil02 committed Jul 31, 2023
commit 3531ea14332df55d80488a7550e25df2e51a5772
3 changes: 3 additions & 0 deletions src/main/java/com/thealgorithms/maths/GenericRoot.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@ public static void main(String[] args) {
}

public static int genericRoot(int n) {
if (n < 0) {
return genericRoot(-n);
}
int root = 0;
while (n > 0 || root > 9) {
if (n == 0) {
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11 changes: 9 additions & 2 deletions src/test/java/com/thealgorithms/maths/GenericRootTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,11 +7,18 @@
import org.junit.jupiter.api.Test;

public class GenericRootTest {
private final Map<Integer, Integer> testCases = Map.ofEntries(entry(0, 0), entry(1, 1), entry(12345, 6), entry(123, 6), entry(15937, 7), entry(222222, 3), entry(99999, 9));
@Test
public void testGenericRoot() {
final Map<Integer, Integer> testCases = Map.ofEntries(entry(0, 0), entry(1, 1), entry(12345, 6), entry(123, 6), entry(15937, 7), entry(222222, 3), entry(99999, 9));
for (final var tc : testCases.entrySet()) {
assertEquals(tc.getValue(), GenericRoot.genericRoot(tc.getKey()));
}
}
}

@Test
public void testGenericRootWithNegativeInputs() {
for (final var tc : testCases.entrySet()) {
assertEquals(tc.getValue(), GenericRoot.genericRoot(-tc.getKey()));
}
}
}