/*
* Copyright ( c ) 2017 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Formatter;
import java.util.Locale;
import org.testng.Assert ;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
/**
* @ test
* @ bug 8183743
* @ summary Test to verify the new overload method with Charset functions the same
* as the existing method that takes a charset name .
* @ run testng EncodingTest
*/
public class EncodingTest {
static String USER_DIR = System.getProperty("user.dir" , "." );
// Charset added only for the 3-parameter constructors
public static enum ConstructorType {
STRING3,
FILE3,
OUTPUTSTREAM3
}
@DataProvider(name = "parameters" )
public Object[][] getParameters() throws IOException {
Locale l = Locale.getDefault();
String csn1 = StandardCharsets.ISO_8859_1.name();
Charset charset1 = StandardCharsets.ISO_8859_1;
String csn2 = StandardCharsets.UTF_8.name();
Charset charset2 = StandardCharsets.UTF_8;
File file1 = new File(USER_DIR, "FormatterCharsetTest1.txt" );
File file2 = new File(USER_DIR, "FormatterCharsetTest2.txt" );
return new Object[][]{
{ConstructorType.STRING3, file1, file2, csn1, charset1},
{ConstructorType.FILE3, file1, file2, csn1, charset1},
{ConstructorType.OUTPUTSTREAM3, file1, file2, csn1, charset1},
{ConstructorType.STRING3, file1, file2, csn2, charset2},
{ConstructorType.FILE3, file1, file2, csn2, charset2},
{ConstructorType.OUTPUTSTREAM3, file1, file2, csn2, charset2},
};
}
/**
* Verifies that the overloading constructor behaves the same as the existing
* one .
* @ param type the type of the constructor
* @ param file1 file1 written with the name of a charset
* @ param file2 file2 written with a charset
* @ param csn the charset name
* @ param charset the charset
* @ throws IOException
*/
@Test(dataProvider = "parameters" )
public void testConstructor(ConstructorType type, File file1, File file2,
String csn, Charset charset) throws Exception {
format(getFormatter(type, file1.getPath(), csn, null ));
format(getFormatter(type, file2.getPath(), null , charset));
Assert .assertEquals(Files.readAllLines(Paths.get(file1.getPath()), charset),
Files.readAllLines(Paths.get(file2.getPath()), charset));
}
void format(Formatter formatter)
throws IOException {
formatter.format("abcde \u00FA\u00FB\u00FC\u00FD" );
formatter.format("Java \uff08\u8ba1\u7b97\u673a\u7f16\u7a0b\u8bed\u8a00\uff09" );
formatter.flush();
formatter.close();
}
Formatter getFormatter(ConstructorType type, String path, String csn, Charset charset)
throws IOException {
Formatter formatter = null ;
if (csn != null ) {
switch (type) {
case STRING3:
formatter = new Formatter(path, csn, Locale.getDefault());
break ;
case FILE3:
formatter = new Formatter(new File(path), csn, Locale.getDefault());
break ;
case OUTPUTSTREAM3:
formatter = new Formatter(new FileOutputStream(path), csn, Locale.getDefault());
break ;
}
} else {
switch (type) {
case STRING3:
formatter = new Formatter(path, charset, Locale.getDefault());
break ;
case FILE3:
formatter = new Formatter(new File(path), charset, Locale.getDefault());
break ;
case OUTPUTSTREAM3:
formatter = new Formatter(new FileOutputStream(path), charset, Locale.getDefault());
break ;
}
}
return formatter;
}
}
Messung V0.5 in Prozent C=92 H=81 G=86
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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