1 /* 2 * Copyright (c) 2019, 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.foreign.memory.Pointer; 25 import java.io.File; 26 import java.io.IOException; 27 import java.lang.reflect.Method; 28 import java.lang.reflect.Modifier; 29 import java.nio.file.Files; 30 import java.nio.file.Path; 31 import java.nio.file.Paths; 32 import java.util.Arrays; 33 import java.util.ArrayList; 34 import java.util.spi.ToolProvider; 35 import org.testng.annotations.Test; 36 import static org.testng.Assert.assertTrue; 37 38 /* 39 * @test 40 * @bug 8221154 41 * @summary jextract should generate java source files 42 * @library .. 43 * @run testng SrcGenTest 44 */ 45 public class SrcGenTest extends JextractToolRunner { 46 private static final ToolProvider JEXTRACT = ToolProvider.findFirst("jextract") 47 .orElseThrow(() -> 48 new RuntimeException("jextract tool not found") 49 ); 50 51 private static final ToolProvider JAVAC = ToolProvider.findFirst("javac") 52 .orElseThrow(() -> 53 new RuntimeException("javac tool not found") 54 ); 55 56 @Test 57 public void test() throws IOException { 58 Path inputDir = Paths.get(System.getProperty("test.src", ".")); 59 Path outputDir = Paths.get(System.getProperty("test.classes", ".")); 60 inputDir = inputDir.toAbsolutePath(); 61 outputDir = outputDir.toAbsolutePath(); 62 String pkgName = "test8221154"; 63 Path jarPath = outputDir.resolve(pkgName + ".jar"); 64 65 // run jextract with --src-dump-dir option 66 ArrayList<String> jextrOpts = new ArrayList<>(); 67 jextrOpts.add("-C-nostdinc"); 68 jextrOpts.add("-I"); 69 jextrOpts.add(inputDir.toString()); 70 jextrOpts.add("-o"); 71 jextrOpts.add(jarPath.toString()); 72 jextrOpts.add("--src-dump-dir"); 73 jextrOpts.add(outputDir.toString()); 74 jextrOpts.add("-t"); 75 jextrOpts.add(pkgName); 76 jextrOpts.add("-l"); 77 jextrOpts.add("srcgentest"); 78 jextrOpts.add(inputDir + File.separator + "srcgentest.h"); 79 80 int result = JEXTRACT.run(System.out, System.err, jextrOpts.toArray(String[]::new)); 81 if (result != 0) { 82 throw new RuntimeException(JEXTRACT.name() + " returns non-zero value"); 83 } 84 85 // delete .jar file generated by jextract 86 Files.delete(jarPath); 87 88 Path pkgDir = outputDir.resolve(pkgName); 89 // compile jextract generated java sources 90 ArrayList<String> javacOpts = new ArrayList<>(); 91 javacOpts.add("-d"); 92 javacOpts.add(outputDir.toString()); 93 javacOpts.add(pkgDir + File.separator + "srcgentest.java"); 94 javacOpts.add(pkgDir + File.separator + "srcgentest_h.java"); 95 result = JAVAC.run(System.out, System.err, javacOpts.toArray(String[]::new)); 96 if (result != 0) { 97 throw new RuntimeException(JAVAC.name() + " returns non-zero value"); 98 } 99 100 // sanity checks for .class file existence 101 assertTrue(Files.isRegularFile(pkgDir.resolve("srcgentest.class"))); 102 assertTrue(Files.isRegularFile(pkgDir.resolve("srcgentest$Point.class"))); 103 assertTrue(Files.isRegularFile(pkgDir.resolve("srcgentest$Color.class"))); 104 assertTrue(Files.isRegularFile(pkgDir.resolve("srcgentest_h.class"))); 105 assertTrue(Files.isRegularFile(pkgDir.resolve("srcgentest_h$Color.class"))); 106 107 checkClasses(outputDir, pkgName); 108 } 109 110 private void checkClasses(Path outputDir, String pkgName) { 111 Loader loader = classLoader(outputDir); 112 Class<?> forwarderCls = loader.loadClass(pkgName + ".srcgentest_h"); 113 assertTrue(forwarderCls != null); 114 115 // check "sum" method 116 Method sumMethod = findFirstMethod(forwarderCls, "sum"); 117 assertTrue(sumMethod.getReturnType() == int.class); 118 Class<?>[] sumParamTypes = sumMethod.getParameterTypes(); 119 assertTrue(sumParamTypes.length == 2); 120 assertTrue(sumParamTypes[0] == int.class); 121 assertTrue(sumParamTypes[1] == Object[].class); 122 assertTrue(Modifier.isStatic(sumMethod.getModifiers())); 123 124 // check "x_coord" method 125 Method xCoordMethod = findFirstMethod(forwarderCls, "x_coord"); 126 assertTrue(xCoordMethod.getReturnType() == int.class); 127 Class<?>[] xCoordParamTypes = xCoordMethod.getParameterTypes(); 128 assertTrue(xCoordParamTypes.length == 1); 129 assertTrue(xCoordParamTypes[0] == Pointer.class); 130 131 // check "y_coord" method 132 Method yCoordMethod = findFirstMethod(forwarderCls, "y_coord"); 133 assertTrue(yCoordMethod.getReturnType() == int.class); 134 Class<?>[] yCoordParamTypes = yCoordMethod.getParameterTypes(); 135 assertTrue(yCoordParamTypes.length == 1); 136 assertTrue(yCoordParamTypes[0] == Pointer.class); 137 138 // global variable "num" getter 139 Method numGet = findGlobalVariableGet(forwarderCls, "num"); 140 assertTrue(numGet != null); 141 142 // anonymous enum fields 143 assertTrue(findField(forwarderCls, "R") != null); 144 assertTrue(findField(forwarderCls, "G") != null); 145 assertTrue(findField(forwarderCls, "B") != null); 146 147 // enum interface class 148 Class<?> colorCls = Arrays.stream(forwarderCls.getClasses()) 149 .filter(c -> c.getSimpleName().equals("Color")).findFirst().get(); 150 assertTrue(Modifier.isInterface(colorCls.getModifiers())); 151 checkIntField(colorCls, "RED", 0); 152 checkIntField(colorCls, "GREEN", 1); 153 checkIntField(colorCls, "BLUE", 2); 154 } 155 }