jdk-24/test/langtools/tools/javac/modules/JavaBaseTest.java
Jan Lahoda 1e97c1c913 8335989: Implement JEP 494: Module Import Declarations (Second Preview)
Reviewed-by: vromero, abimpoudis, mcimadamore, alanb
2024-11-14 06:14:33 +00:00

327 lines
11 KiB
Java

/*
* Copyright (c) 2017, 2024, 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.
*/
/**
* @test
* @bug 8193125 8196623 8335989
* @summary test modifiers with java.base
* @library /tools/lib
* @enablePreview
* @modules
* jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.jvm
* jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.javac.platform
* java.base/jdk.internal.classfile.impl
* @build toolbox.ToolBox toolbox.JavacTask
* @run main JavaBaseTest
*/
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.*;
import java.util.stream.StreamSupport;
import java.lang.classfile.*;
import java.lang.classfile.attribute.*;
import com.sun.tools.javac.jvm.Target;
import com.sun.tools.javac.platform.JDKPlatformProvider;
import java.util.function.Supplier;
import toolbox.JavacTask;
import toolbox.Task;
import toolbox.ToolBox;
public class JavaBaseTest {
private static final String CURRENT_VERSION = System.getProperty("java.specification.version");
public static void main(String... args) throws Exception {
JavaBaseTest t = new JavaBaseTest();
t.run();
}
final List<List<String>> modifiers = List.of(
List.of("static"),
List.of("transitive"),
List.of("static", "transitive")
);
enum Mode { SOURCE, CLASS };
ToolBox tb = new ToolBox();
int testCount = 0;
int errorCount = 0;
void run() throws Exception {
Set<String> targets = new LinkedHashSet<>();
targets.add("9");
targets.add("10");
targets.add("21");
targets.add("current");
targets.add("current-preview");
for (List<String> mods : modifiers) {
for (String target : targets) {
for (Mode mode : Mode.values()) {
test(mods, target, mode);
}
}
}
System.err.println(testCount + " tests");
if (errorCount > 0) {
throw new Exception(errorCount + " errors found");
}
}
void test(List<String> mods, String target, Mode mode) {
System.err.println("Test " + mods + " " + target + " " + mode);
testCount++;
try {
Path base = Paths.get(String.join("-", mods))
.resolve(target).resolve(mode.name().toLowerCase());
Files.createDirectories(base);
switch (mode) {
case SOURCE -> testSource(base, mods, target);
case CLASS -> testClass(base, mods, target);
}
} catch (Exception e) {
error("Exception: " + e);
e.printStackTrace();
}
System.err.println();
}
void testSource(Path base, List<String> mods, String target) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"module m { requires " + String.join(" ", mods) + " java.base; }");
Path modules = Files.createDirectories(base.resolve("modules"));
boolean expectOK;
JavacTask jct = new JavacTask(tb)
.outdir(modules);
List<String> options = new ArrayList<>();
switch (target) {
case "current":
options.add("--release");
options.add(CURRENT_VERSION);
expectOK = false;
break;
case "current-preview":
options.add("--enable-preview");
options.add("--release");
options.add(CURRENT_VERSION);
expectOK = true;
break;
case "9":
options.add("--release");
options.add(target);
expectOK = true;
break;
default:
options.add("--release");
options.add(target);
expectOK = false;
break;
}
if (mods.contains("static") && !"9".equals(target)) {
expectOK = false;
}
options.add("-XDrawDiagnostics");
jct.options(options);
String log = jct.files(tb.findJavaFiles(src))
.run(expectOK ? Task.Expect.SUCCESS : Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!expectOK) {
boolean foundErrorMessage = false;
for (String mod : mods) {
String key = mod.equals("static")
? "compiler.err.mod.not.allowed.here: " + mod
: "compiler.err.feature.not.supported.in.source.plural: (compiler.misc.feature.java.base.transitive)";
String message = "module-info.java:1:12: " + key;
if (log.contains(message)) {
foundErrorMessage = true;
}
}
if (!foundErrorMessage) {
throw new Exception("expected error message not found");
}
}
}
void testClass(Path base, List<String> mods, String target) throws Exception {
boolean expectOK;
List<String> options = new ArrayList<>();
switch (target) {
case "current":
options.add("--release");
options.add(CURRENT_VERSION);
expectOK = false;
break;
case "current-preview":
options.add("--enable-preview");
options.add("--release");
options.add(CURRENT_VERSION);
expectOK = true;
break;
case "9":
options.add("--release");
options.add(target);
expectOK = true;
break;
default:
options.add("--release");
options.add(target);
expectOK = false;
break;
}
if (mods.contains("static") && !"9".equals(target)) {
expectOK = false;
}
createClass(base, mods, options);
List<String> testOptions = new ArrayList<>();
testOptions.add("-XDrawDiagnostics");
testOptions.add("--module-path"); testOptions.add(base.resolve("test-modules").toString());
if (options.contains("--enable-preview")) {
testOptions.add("--enable-preview");
testOptions.add("--source"); testOptions.add(CURRENT_VERSION);
}
Path src = base.resolve("src");
tb.writeJavaFiles(src,
"module mx { requires m; }");
Path modules = Files.createDirectories(base.resolve("modules"));
String log = new JavacTask(tb)
.outdir(modules)
.options(testOptions)
.files(tb.findJavaFiles(src))
.run(expectOK ? Task.Expect.SUCCESS : Task.Expect.FAIL)
.writeAll()
.getOutput(Task.OutputKind.DIRECT);
if (!expectOK) {
boolean foundErrorMessage = false;
for (String mod : mods) {
String flag = mod.equals("static")
? "ACC_STATIC_PHASE (0x0040)"
: "ACC_TRANSITIVE (0x0020)";
String message = "- compiler.err.cant.access: m.module-info,"
+ " (compiler.misc.bad.class.file.header: module-info.class,"
+ " (compiler.misc.bad.requires.flag: " + flag + ")";
if (log.contains(message)) {
foundErrorMessage = true;
}
}
if (!foundErrorMessage) {
throw new Exception("expected error message not found");
}
}
}
void createClass(Path base, List<String> mods, List<String> options) throws Exception {
Path src1 = base.resolve("interim-src");
tb.writeJavaFiles(src1,
"module m { requires java.base; }");
Path modules1 = Files.createDirectories(base.resolve("interim-modules"));
JavacTask jct = new JavacTask(tb)
.outdir(modules1);
jct.options(options);
jct.files(tb.findJavaFiles(src1))
.run(Task.Expect.SUCCESS);
ClassModel cm1 = ClassFile.of().parse(modules1.resolve("module-info.class"));
ModuleAttribute modAttr1 = cm1.findAttribute(Attributes.module()).orElseThrow();
List<ModuleRequireInfo> requires = Arrays.asList(new ModuleRequireInfo[modAttr1.requires().size()]);
for (int i = 0; i < modAttr1.requires().size(); ++i) {
ModuleRequireInfo e1 = modAttr1.requires().get(i);
int flags = e1.requiresFlagsMask();
ModuleRequireInfo e2;
if (e1.requires().name().equalsString("java.base")) {
for (String mod : mods) {
switch (mod) {
case "static" -> flags |= ClassFile.ACC_STATIC_PHASE;
case "transitive" -> flags |= ClassFile.ACC_TRANSITIVE;
}
}
e2 = ModuleRequireInfo.of(e1.requires(), flags, e1.requiresVersion().orElse(null));
} else {
e2 = e1;
}
requires.set(i, e2);
}
boolean preview = options.contains("--enable-preview");
ModuleAttribute modAttr2 = ModuleAttribute.of(
modAttr1.moduleName(),
modAttr1.moduleFlagsMask(),
modAttr1.moduleVersion().orElse(null),
requires,
modAttr1.exports(),
modAttr1.opens(),
modAttr1.uses(),
modAttr1.provides());
Path modInfo = base.resolve("test-modules").resolve("module-info.class");
Files.createDirectories(modInfo.getParent());
ClassTransform replace = (builder, element) -> {
switch (element) {
case ClassFileVersion cfv when preview -> builder.withVersion(cfv.majorVersion(), 0xFFFF);
case ModuleAttribute _ -> builder.with(modAttr2);
default -> builder.with(element);
}
};
byte[] newBytes = ClassFile.of().transformClass(cm1, replace);
try (OutputStream out = Files.newOutputStream(modInfo)) {
out.write(newBytes);
}
}
private void error(String message) {
System.err.println("Error: " + message);
errorCount++;
}
}