jdk8-mips64-public/langtools: test/tools/javap/T7190862.java@153d0309e698 (annotated)

test/tools/javap/T7190862.java@153d0309e698 (annotated)

test/tools/javap/T7190862.java

Mon, 31 Aug 2015 13:37:01 -0700

author: asaha
date: Mon, 31 Aug 2015 13:37:01 -0700
changeset 2971: 153d0309e698
parent 1819: 7fe655cad9b1
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Added tag jdk8u65-b12 for changeset 54e958a3719e

 /*
  * @test /nodynamiccopyright/
  * @bug 7190862 7109747
  * @summary javap shows an incorrect type for operands if the 'wide' prefix is used
  */
 import com.sun.source.util.JavacTask;
 import com.sun.tools.javap.JavapFileManager;
 import com.sun.tools.javap.JavapTask;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.net.URI;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import javax.tools.Diagnostic;
 import javax.tools.DiagnosticCollector;
 import javax.tools.JavaCompiler;
 import javax.tools.JavaFileManager;
 import javax.tools.JavaFileObject;
 import javax.tools.SimpleJavaFileObject;
 import javax.tools.ToolProvider;
 public class T7190862 {
     enum TypeWideInstructionMap {
         INT("int", new String[]{"istore_w", "iload_w"}),
         LONG("long", new String[]{"lstore_w", "lload_w"}),
         FLOAT("float", new String[]{"fstore_w", "fload_w"}),
         DOUBLE("double", new String[]{"dstore_w", "dload_w"}),
         OBJECT("Object", new String[]{"astore_w", "aload_w"});
         String type;
         String[] instructions;
         TypeWideInstructionMap(String type, String[] instructions) {
             this.type = type;
             this.instructions = instructions;
         }
     }
     JavaSource source;
     public static void main(String[] args) {
         JavaCompiler comp = ToolProvider.getSystemJavaCompiler();
         new T7190862().run(comp);
     }
     private void run(JavaCompiler comp) {
         String code;
         for (TypeWideInstructionMap typeInstructionMap: TypeWideInstructionMap.values()) {
             if (typeInstructionMap != TypeWideInstructionMap.OBJECT) {
                 code = createWideLocalSource(typeInstructionMap.type, 300);
             } else {
                 code = createWideLocalSourceForObject(300);
             }
             source = new JavaSource(code);
             compile(comp);
             check(typeInstructionMap.instructions);
         }
         //an extra test for the iinc instruction
         code = createIincSource();
         source = new JavaSource(code);
         compile(comp);
         check(new String[]{"iinc_w"});
     }
     private void compile(JavaCompiler comp) {
         JavacTask ct = (JavacTask)comp.getTask(null, null, null, null, null, Arrays.asList(source));
         try {
             if (!ct.call()) {
                 throw new AssertionError("Error thrown when compiling the following source:\n" + source.getCharContent(true));
             }
         } catch (Throwable ex) {
             throw new AssertionError("Error thrown when compiling the following source:\n" + source.getCharContent(true));
         }
     }
     private void check(String[] instructions) {
         String out = javap(Arrays.asList("-c"), Arrays.asList("Test.class"));
         for (String line: out.split(System.getProperty("line.separator"))) {
             line = line.trim();
             for (String instruction: instructions) {
                 if (line.contains(instruction) && line.contains("#")) {
                     throw new Error("incorrect type for operands for instruction " + instruction);
                 }
             }
         }
     }
     private String javap(List<String> args, List<String> classes) {
         DiagnosticCollector<JavaFileObject> dc = new DiagnosticCollector<JavaFileObject>();
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         JavaFileManager fm = JavapFileManager.create(dc, pw);
         JavapTask t = new JavapTask(pw, fm, dc, args, classes);
         if (t.run() != 0)
             throw new Error("javap failed unexpectedly");
         List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics();
         for (Diagnostic<? extends JavaFileObject> d: diags) {
             if (d.getKind() == Diagnostic.Kind.ERROR)
                 throw new Error(d.getMessage(Locale.ENGLISH));
         }
         return sw.toString();
     }
     private String createWideLocalSource(String type, int numberOfVars) {
         String result = "    " + type + " x0 = 0;\n";
         for (int i = 1; i < numberOfVars; i++) {
             result += "        " + type + " x" + i + " = x" + (i - 1) + " + 1;\n";
         }
         return result;
     }
     private String createWideLocalSourceForObject(int numberOfVars) {
         String result = "    Object x0 = new Object();\n";
         for (int i = 1; i < numberOfVars; i++) {
             result += "        Object x" + i + " = x0;\n";
         }
         return result;
     }
     private String createIincSource() {
         return "    int i = 0;\n"
                 + "        i += 1;\n"
                 + "        i += 51;\n"
                 + "        i += 101;\n"
                 + "        i += 151;\n";
     }
     class JavaSource extends SimpleJavaFileObject {
         String template = "class Test {\n" +
                           "    public static void main(String[] args)\n" +
                           "    {\n" +
                           "        #C" +
                           "    }\n" +
                           "}";
         String source;
         public JavaSource(String code) {
             super(URI.create("Test.java"), JavaFileObject.Kind.SOURCE);
             source = template.replaceAll("#C", code);
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return source;
         }
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javap/T7190862.java@153d0309e698 (annotated)

test/tools/javap/T7190862.java