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/*
* Copyright (c) 2021, 2023, 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.lang.foreign.Arena;
import java.lang.foreign.MemorySegment;
import org.testng.annotations.*;
import static org.testng.Assert.*;
/*
* @test
* @enablePreview
* @requires jdk.foreign.linker != "UNSUPPORTED"
* @run testng TestStringEncoding
*/
public class TestStringEncoding {
@Test(dataProvider = "strings")
public void testStrings(String testString, int expectedByteLength) {
try (Arena arena = Arena.ofConfined()) {
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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