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

Merge pull request #16251 from AndreiBranza/BAEL-6421-PrintWriter-write-vs-print 

Bael 6421 print writer write vs print
This commit is contained in:
davidmartinezbarua 2024-04-12 10:02:47 -03:00 committed by GitHub
parent 887697da02 3826c5b8e6
commit 66be0dda2b
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 113 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
core-java-modules/core-java-io-5/src/test/java/com/baeldung/printwriterwritevsprint/WriteVsPrintUnitTest.java Normal file
View File

@ -0,0 +1,113 @@
package com.baeldung.printwriterwritevsprint;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.io.*;
import java.util.*;
import static org.junit.jupiter.api.Assertions.*;
public class WriteVsPrintUnitTest {
Object outputFromPrintWriter;
Object outputFromPrintWriter() {
try (BufferedReader br = new BufferedReader(new FileReader("output.txt"))){
outputFromPrintWriter = br.readLine();
} catch (IOException e){
e.printStackTrace();
Assertions.fail();
}
return outputFromPrintWriter;
}
@Test
void whenUsingWriteInt_thenASCIICharacterIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
printWriter.write(48);
printWriter.close();
assertEquals("0", outputFromPrintWriter());
}
@Test
void whenUsingWriteCharArrayFromOffset_thenCharArrayIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
printWriter.write(new char[]{'A','/','&','4','E'}, 1, 4 );
printWriter.close();
assertEquals("/&4E", outputFromPrintWriter());
}
@Test
void whenUsingWriteStringFromOffset_thenLengthOfStringIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
printWriter.write("StringExample", 6, 7 );
printWriter.close();
assertEquals("Example", outputFromPrintWriter());
}
@Test
void whenUsingPrintBoolean_thenStringValueIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
printWriter.print(true);
printWriter.close();
assertEquals("true", outputFromPrintWriter());
}
@Test
void whenUsingPrintChar_thenCharIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
printWriter.print('A');
printWriter.close();
assertEquals("A", outputFromPrintWriter());
}
@Test
void whenUsingPrintInt_thenValueOfIntIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
printWriter.print(420);
printWriter.close();
assertEquals("420", outputFromPrintWriter());
}
@Test
void whenUsingPrintString_thenStringIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
printWriter.print("RandomString");
printWriter.close();
assertEquals("RandomString", outputFromPrintWriter());
}
@Test
void whenUsingPrintObject_thenObjectToStringIsPrinted() throws FileNotFoundException {
PrintWriter printWriter = new PrintWriter("output.txt");
Map example = new HashMap();
printWriter.print(example);
printWriter.close();
assertEquals(example.toString(), outputFromPrintWriter());
}
}

34
core-java-modules/core-java-io-apis-2/pom.xml
View File

@ -20,28 +20,6 @@
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>5.7.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<!-- this is all you need to write tests with JUnit Jupiter -->
<dependency>
<groupId>org.junit.jupiter</groupId>
@ -63,18 +41,6 @@
<version>${junit-jupiter-version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
</dependency>
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>