8351362: Post-process @Strict annotation for testing

src/java.base/share/classes/jdk/internal/vm/annotation/Strict.java

@@ -32,6 +32,6 @@
  * Internal and experimental use only
  */
 @Target(ElementType.FIELD)
-@Retention(RetentionPolicy.SOURCE)
+@Retention(RetentionPolicy.RUNTIME)
 public @interface Strict {
 }

test/hotspot/jtreg/runtime/valhalla/inlinetypes/verifier/StrictFinalInstanceFieldsTest.java

@@ -24,7 +24,9 @@
 /*
  * @test
  * @enablePreview
- * @compile --add-exports=java.base/jdk.internal.vm.annotation=ALL-UNNAMED -XDgenerateAssertUnsetFieldsFrame -XDnoLocalProxyVars StrictFinalInstanceFieldsTest.java
+ * @library /test/lib
+ * @modules java.base/jdk.internal.vm.annotation
+ * @run main/othervm jdk.test.lib.value.StrictCompiler StrictFinalInstanceFieldsTest.java -- -XDnoLocalProxyVars
  * @run main/othervm -Xlog:verification StrictFinalInstanceFieldsTest
  */
 

test/lib-test/jdk/test/lib/StrictCompilerSuperTest.java

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 8351362
+ * @summary Unit Test for StrictCompiler super rewrite
+ * @enablePreview
+ * @library /test/lib
+ * @modules java.base/jdk.internal.vm.annotation
+ * @run main/othervm jdk.test.lib.value.StrictCompiler --deferSuperCall StrictCompilerSuperTest.java
+ * @run junit StrictCompilerSuperTest
+ */
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.lang.classfile.Attributes;
+import java.lang.classfile.ClassFile;
+import java.lang.classfile.ClassModel;
+import java.lang.classfile.Instruction;
+import java.lang.classfile.Opcode;
+import java.lang.reflect.AccessFlag;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.stream.Stream;
+
+import jdk.internal.vm.annotation.Strict;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import static java.lang.classfile.ClassFile.*;
+import static java.lang.constant.ConstantDescs.INIT_NAME;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertSame;
+
+class StrictCompilerSuperTest {
+    static Stream<Class<?>> testClasses() {
+        return Stream.of(Rec.class, Exp.class, Inner.class);
+    }
+
+    static Stream<ClassModel> testClassModels() {
+        return testClasses().map(cls -> {
+            try (var in = StrictCompilerSuperTest.class.getResourceAsStream("/" + cls.getName() + ".class")) {
+                return ClassFile.of().parse(in.readAllBytes());
+            } catch (IOException ex) {
+                throw new UncheckedIOException(ex);
+            }
+        });
+    }
+
+    @MethodSource("testClasses")
+    @ParameterizedTest
+    void testReflectRewrittenRecord(Class<?> cls) throws Throwable {
+        for (var field : cls.getDeclaredFields()) {
+            if (Modifier.isStatic(field.getModifiers()) || field.isSynthetic())
+                continue;
+            assertEquals(ACC_PRIVATE | ACC_STRICT | ACC_FINAL, field.getModifiers(), () -> "For field: " + field.getName());
+        }
+    }
+
+    @MethodSource("testClassModels")
+    @ParameterizedTest
+    void testRewrittenStrictAccessInClassFile(ClassModel cm) throws Throwable {
+        for (var f : cm.fields()) {
+            if (f.flags().has(AccessFlag.STATIC) || f.flags().has(AccessFlag.SYNTHETIC))
+                continue;
+            assertEquals(ACC_PRIVATE | ACC_STRICT | ACC_FINAL, f.flags().flagsMask(), () -> "Field " + f);
+        }
+    }
+
+    @MethodSource("testClassModels")
+    @ParameterizedTest
+    void testRewrittenCtorBytecode(ClassModel cm) throws Throwable {
+        var ctor = cm.methods().stream().filter(m -> m.methodName().equalsString(INIT_NAME)).findFirst().orElseThrow();
+        var insts = new ArrayList<Instruction>();
+        ctor.findAttribute(Attributes.code()).orElseThrow().forEach(ce -> {
+            if (ce instanceof Instruction inst) {
+                insts.add(inst);
+            }
+        });
+        assertSame(Opcode.RETURN, insts.getLast().opcode());
+        assertSame(Opcode.INVOKESPECIAL, insts.get(insts.size() - 2).opcode());
+    }
+
+    record Rec(@Strict int a, @Strict long b) {
+        static final String NOISE = "noise";
+    }
+
+    static class Exp {
+        private @Strict final int a;
+        private @Strict final long b;
+
+        Exp(int a, long b) {
+            this.a = a;
+            this.b = b;
+        }
+    }
+
+    class Inner {
+        private @Strict final int a;
+        private @Strict final long b;
+
+        Inner(int a, long b) {
+            this.a = a;
+            this.b = b;
+        }
+
+        @Override
+        public String toString() {
+            return a + " " + StrictCompilerSuperTest.this + " " + b;
+        }
+    }
+}

test/lib-test/jdk/test/lib/StrictCompilerTest.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 8351362
+ * @summary Unit Test for StrictCompiler
+ * @enablePreview
+ * @library /test/lib
+ * @modules java.base/jdk.internal.vm.annotation
+ * @run main/othervm jdk.test.lib.value.StrictCompiler StrictCompilerTest.java
+ * @run junit StrictCompilerTest
+ */
+
+import jdk.internal.vm.annotation.Strict;
+import org.junit.jupiter.api.Test;
+
+import static java.lang.classfile.ClassFile.ACC_FINAL;
+import static java.lang.classfile.ClassFile.ACC_STRICT;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class StrictCompilerTest {
+    @Test
+    void testReflectMyself() throws Throwable {
+        for (var field : StrictTarget.class.getDeclaredFields()) {
+            assertEquals(ACC_STRICT | ACC_FINAL, field.getModifiers(), () -> field.getName());
+        }
+    }
+
+    static final class StrictTarget {
+        @Strict
+        final int a;
+        @Strict
+        final Object b;
+
+        StrictTarget() {
+            this.a = 1;
+            this.b = 2392352234L;
+            super();
+        }
+    }
+}

test/lib/jdk/test/lib/compiler/InMemoryJavaCompiler.java

@@ -216,7 +216,11 @@ public String getClassName() {
      * @return The resulting byte code from the compilation
      */
     public static Map<String, byte[]> compile(Map<String, ? extends CharSequence> inputMap) {
-        Collection<JavaFileObject> sourceFiles = new LinkedList<JavaFileObject>();
+        return compile(inputMap, new String[0]);
+    }
+
+    public static Map<String, byte[]> compile(Map<String, ? extends CharSequence> inputMap, String... options) {
+        Collection<JavaFileObject> sourceFiles = new ArrayList<>();
         for (Entry<String, ? extends CharSequence> entry : inputMap.entrySet()) {
             sourceFiles.add(new SourceFile(entry.getKey(), entry.getValue()));
         }
@@ -225,7 +229,7 @@ public static Map<String, byte[]> compile(Map<String, ? extends CharSequence> in
         FileManager fileManager = new FileManager(compiler.getStandardFileManager(null, null, null));
 
         Writer writer = new StringWriter();
-        Boolean exitCode = compiler.getTask(writer, fileManager, null, null, null, sourceFiles).call();
+        Boolean exitCode = compiler.getTask(writer, fileManager, null, Arrays.asList(options), null, sourceFiles).call();
         if (!exitCode) {
             System.out.println("*********** javac output begin ***********");
             System.out.println(writer.toString());