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Update Print2DArraysUnitTest.java

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Neetika23 2023-12-28 20:47:47 +05:30 committed by GitHub
parent 5f0cc26b40
commit 8c9636c5c6
1 changed files with 11 additions and 8 deletions
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11
core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2darrays/Print2DArraysUnitTest.java
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@ -1,17 +1,19 @@
package com.baeldung.print2darrays;
import java.util.Arrays;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import uk.org.webcompere.systemstubs.jupiter.SystemStub;
import uk.org.webcompere.systemstubs.jupiter.SystemStubsExtension;
import uk.org.webcompere.systemstubs.stream.SystemOut;
import java.util.Arrays;
import static org.assertj.core.api.Assertions.assertThat;
@ExtendWith(SystemStubsExtension.class)
public class Print2DArraysUnitTest {
@SystemStub
private SystemOut systemOut;
@ -31,7 +33,9 @@ public class Print2DArraysUnitTest {
@Test
public void whenPrint2dArrayUsingStreams_thenLinesAreWrittenToSystemOut() {
int[][] myArray = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 } };
Arrays.stream(myArray) .flatMapToInt(Arrays::stream) .forEach(num -> System.out.print(num + " "));
Arrays.stream(myArray)
.flatMapToInt(Arrays::stream)
.forEach(num -> System.out.print(num + " "));
String expectedOutput = "1 2 3 4 5 6 7 8 9 ";
assertThat(systemOut.getLines()).containsExactly(expectedOutput);
}
@ -54,4 +58,3 @@ public class Print2DArraysUnitTest {
assertThat(systemOut.getLines()).containsExactly(expectedOutput);
}
}