1 /*
 2  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 import java.util.stream.DoubleStream;
25 import java.util.stream.IntStream;
26 import jdk.incubator.foreign.MemorySegment;
27 import jdk.incubator.foreign.ResourceScope;
28 import jdk.incubator.foreign.SegmentAllocator;
29 import org.testng.annotations.Test;
30 import test.jextract.test8241925.*;
31 import static org.testng.Assert.assertEquals;
32 import static test.jextract.test8241925.test8241925_h.*;
33 import static jdk.incubator.foreign.CLinker.*;
34 
35 /*
36  * @test
37  * @library ..
38  * @modules jdk.incubator.jextract
39  * @bug 8241925
40  * @summary jextract should generate simple allocation, access API for C primitive types
41  * @run driver JtregJextract -l Test8241925 -t test.jextract.test8241925 -- test8241925.h
42  * @run testng/othervm --enable-native-access=jdk.incubator.jextract,ALL-UNNAMED LibTest8241925Test
43  */
44 public class LibTest8241925Test {
45     @Test
46     public void test() {
47         try (var scope = ResourceScope.newConfinedScope()) {
48             var allocator = SegmentAllocator.newNativeArena(scope);
49             var addr = allocator.allocate(C_INT, 12);
50             assertEquals(addr.get(C_INT, 0), 12);
51             square(addr);
52             assertEquals(addr.get(C_INT, 0), 144);
53 
54             addr = allocator.allocate(C_DOUBLE, 12.0);
55             assertEquals(addr.get(C_DOUBLE, 0), 12.0, 0.1);
56             square_fp(addr);
57             assertEquals(addr.get(C_DOUBLE, 0), 144.0, 0.1);
58 
59             int[] intArray = { 34, 67, 78, 8 };
60             addr = allocator.allocateArray(C_INT, intArray);
61             int sum = sum(addr, intArray.length);
62             assertEquals(sum, IntStream.of(intArray).sum());
63             int[] convertedArray = addr.toArray(C_INT);
64             assertEquals(convertedArray, intArray);
65 
66             double[] dblArray = { 34.5, 67.56, 78.2, 8.45 };
67             addr = allocator.allocateArray(C_DOUBLE, dblArray);
68             double sumd = sum_fp(addr, dblArray.length);
69             assertEquals(sumd, DoubleStream.of(dblArray).sum(), 0.1);
70             double[] convertedDblArray = addr.toArray(C_DOUBLE);
71             for (int i = 0; i < dblArray.length; i++) {
72                 assertEquals(dblArray[i], convertedDblArray[i], 0.1);
73             }
74 
75             assertEquals(name().getUtf8String(0), "java");
76 
77             var dest = allocator.allocateArray(C_CHAR, 12);
78             dest.copyFrom(allocator.allocateUtf8String("hello "));
79             var src = allocator.allocateUtf8String("world");
80             assertEquals(concatenate(dest, src).getUtf8String(0), "hello world");
81         }
82     }
83 }