/*
* Copyright ( c ) 2021 , 2022 , 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 .
*
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*/
import java.lang.foreign.Arena;
import java.lang.foreign.MemorySegment;
import org.testng.annotations.*;
import static org.testng.Assert .*;
/*
* @ test
* @ enablePreview
* @ requires ( ( os . arch = = " amd64 " | os . arch = = " x86_64 " ) & sun . arch . data . model = = " 64 " ) | os . arch = = " aarch64 "
* @ run testng TestStringEncoding
*/
public class TestStringEncoding {
@Test(dataProvider = "strings" )
public void testStrings(String testString, int expectedByteLength) {
try (Arena arena = Arena.openConfined()) {
MemorySegment text = arena.allocateUtf8String(testString);
assertEquals(text.byteSize(), expectedByteLength);
String roundTrip = text.getUtf8String(0 );
assertEquals(roundTrip, testString);
}
}
@DataProvider
public static Object[][] strings() {
return new Object[][] {
{ "testing" , 8 },
{ "" , 1 },
{ "X" , 2 },
{ "12345" , 6 },
{ "yen \u00A5" , 7 }, // in UTF-8 2 bytes: 0xC2 0xA5
{ "snowman \u26C4" , 12 }, // in UTF-8 three bytes: 0xE2 0x9B 0x84
{ "rainbow \uD83C\uDF08" , 13 } // in UTF-8 four bytes: 0xF0 0x9F 0x8C 0x88
};
}
}
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