java-topology/test/jdk/jdk/classfile/SnippetsTest.java
russell@unturf.com 0a580b313d undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
2026-03-26 17:11:57 -04:00

74 lines
3.3 KiB
Java

/*
* Copyright (c) 2023, 2025, 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
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*/
/*
* @test
* @summary Compile ClassFile API snippets
* @run junit SnippetsTest
*/
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import javax.tools.StandardLocation;
import javax.tools.ToolProvider;
import org.junit.jupiter.api.Assumptions;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
public class SnippetsTest {
@ParameterizedTest
@ValueSource(strings = {
"src/java.base/share/classes/java/lang/classfile/snippet-files/PackageSnippets.java",
"src/java.base/share/classes/java/lang/classfile/attribute/snippet-files/PackageSnippets.java",
"src/java.base/share/classes/java/lang/classfile/constantpool/snippet-files/PackageSnippets.java",
"src/java.base/share/classes/jdk/internal/classfile/components/snippet-files/PackageSnippets.java"
})
void testSnippet(String source) throws Exception {
var p = Paths.get(System.getProperty("test.src", ".")).toAbsolutePath();
while ((p = p.getParent()) != null) {
var src = p.resolve(source).toFile();
if (src.isFile()) {
var compiler = ToolProvider.getSystemJavaCompiler();
try (var fileManager = compiler.getStandardFileManager(null, null, null)) {
var compilationUnits = fileManager.getJavaFileObjectsFromFiles(List.of(src));
fileManager.setLocation(StandardLocation.CLASS_OUTPUT,
List.of(Paths.get(System.getProperty("test.classes", ".")).toFile()));
List<String> flags = List.of();
if (source.contains("jdk/internal/classfile/components")) {
flags = new ArrayList<>(flags);
flags.add("--add-exports");
flags.add("java.base/jdk.internal.classfile.components=ALL-UNNAMED");
}
var task = compiler.getTask(null, fileManager, null, flags,
null, compilationUnits);
if (task.call()) return;
throw new RuntimeException("Error compiling " + source);
}
}
}
Assumptions.abort("Source file not found: " + source); //do not fail in source-less test environment
}
}