iSharkFly-Docs/java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update Print2DArraysUnitTest.java

Browse Source
This commit is contained in:
Neetika23 2023-12-13 23:29:46 +05:30 committed by GitHub
parent 47bd8d25f9
commit 6162351819
1 changed files with 13 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
core-java-modules/core-java-arrays-guides/src/test/java/com/baeldung/print2darrays/Print2DArraysUnitTest.java
View File

@ -1,19 +1,23 @@
package com.baeldung.print2DArrays; package com.baeldung.print2Drrays;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.Arrays; import java.util.Arrays;
import uk.org.webcompere.systemstubs.SystemOut; import uk.org.webcompere.systemstubs.jupiter.SystemStub;
import uk.org.webcompere.systemstubs.annotations.SystemStub; import uk.org.webcompere.systemstubs.stream.SystemOut;
import uk.org.webcompere.systemstubs.jupiter.SystemStubsExtension;
public class Print2DArrayUnitTest { import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.assertj.core.api.Assertions.assertThat;
@ExtendWith(SystemStubsExtension.class)
public class Print2DArraysUnitTest {
@SystemStub @SystemStub
private SystemOut systemOut; private SystemOut systemOut;
@Test @Test
void whenPrint2D_thenUseNested() { void whenPrint2dArrayUsingNestedLoop_thenLinesAreWrittenToSystemOut() {
int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
for (int i = 0; i < myArray.length; i++) { for (int i = 0; i < myArray.length; i++) {
for (int j = 0; j < myArray[i].length; j++) { for (int j = 0; j < myArray[i].length; j++) {
@ -26,7 +30,7 @@ public class Print2DArrayUnitTest {
} }
@Test @Test
public void whenPrint2D_thenUseStream() { public void whenPrint2dArrayUsingStreams_thenLinesAreWrittenToSystemOut() {
int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; 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"; String expectedOutput = "1 2 3 4 5 6 7 8 9";
@ -34,7 +38,7 @@ public class Print2DArrayUnitTest {
} }
@Test @Test
public void whenPrint2D_thenUseDeepToString() { public void whenPrint2dArrayUsingDeepToString_thenLinesAreWrittenToSystemOut() {
int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
System.out.println(Arrays.deepToString(myArray)); System.out.println(Arrays.deepToString(myArray));
String expectedOutput = "[[1, 2, 3], [4, 5, 6], [7, 8, 9]]"; String expectedOutput = "[[1, 2, 3], [4, 5, 6], [7, 8, 9]]";
@ -42,7 +46,7 @@ public class Print2DArrayUnitTest {
} }
@Test @Test
public void whenPrint2D_thenUseArrayToString() { public void whenPrint2dArrayUsingArrayToString_thenLinesAreWrittenToSystemOut() {
int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; int[][] myArray = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};
for (int[] row : myArray) { for (int[] row : myArray) {
System.out.println(Arrays.toString(row)); System.out.println(Arrays.toString(row));