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/** @test
* @bug 8068517
* @summary Verify that nested enums have correct abstract flag in the InnerClasses attribute.
* @library /tools/javac/lib
* @build ToolBox T8068517
* @run main T8068517
*/
import com.sun.tools.javac.util.Assert;
import java.io.File;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.tools.JavaCompiler;
import javax.tools.ToolProvider;
public class T8068517 {
public static void main(String[] args) throws Exception {
new T8068517().run();
}
void run() throws Exception {
runTest("class A {\n" +
" enum AInner implements Runnable {\n" +
" A {\n" +
" public void run() {}\n" +
" };\n" +
" }\n" +
"}\n",
"class B {\n" +
" A.AInner a;\n" +
"}");
runTest("class A {\n" +
" enum AInner implements Runnable {\n" +
" A {\n" +
" public void run() {}\n" +
" };\n" +
" }\n" +
" AInner aInner;\n" +
"}\n",
"class B {\n" +
" void test(A a) {;\n" +
" switch (a.aInner) {\n" +
" case A: break;\n" +
" }\n" +
" };\n" +
"}");
runTest("class A {\n" +
" enum AInner implements Runnable {\n" +
" A {\n" +
" public void run() {}\n" +
" };\n" +
" }\n" +
" AInner aInner;\n" +
"}\n",
"class B {\n" +
" void test(A a) {;\n" +
" System.err.println(a.aInner.toString());\n" +
" };\n" +
"}");
runTest("class A {\n" +
" enum AInner implements Runnable {\n" +
" A {\n" +
" public void run() {}\n" +
" };\n" +
" }\n" +
" AInner aInner() {\n" +
" return null;\n" +
" }\n" +
"}\n",
"class B {\n" +
" void test(A a) {;\n" +
" System.err.println(a.aInner().toString());\n" +
" };\n" +
"}");
}
JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
int testN = 0;
void runTest(String aJava, String bJava) throws Exception {
File testClasses = new File(System.getProperty("test.classes"));
File target1 = new File(testClasses, "T8068517s" + testN++);
doCompile(target1, aJava, bJava);
File target2 = new File(testClasses, "T8068517s" + testN++);
doCompile(target2, bJava, aJava);
Assert.check(Arrays.equals(Files.readAllBytes(new File(target1, "B.class").toPath()),
Files.readAllBytes(new File(target2, "B.class").toPath())));
}
void doCompile(File target, String... sources) throws Exception {
target.mkdirs();
List<String> options = Arrays.asList("-d", target.getAbsolutePath());
List<ToolBox.JavaSource> files = Stream.of(sources)
.map(ToolBox.JavaSource::new)
.collect(Collectors.toList());
compiler.getTask(null, null, null, options, null, files).call();
}
}