/** this should throw no exceptions **/ void testNoExceptions() throws Exception {
count++;
System.err.println("Test " + count + ": ALWAYS nofile");
StringBuilder sb = new StringBuilder();
sb.append("package test; class Hello{}");
// test specific tmp directory
File tmpDir = new File("tmp.test" + count);
File classesDir = new File(tmpDir, "classes");
classesDir.mkdirs();
File javafile = new File(new File(tmpDir, "src"), "Hello.java");
writeFile(javafile, sb.toString()); // build up list of options and files to be compiled
List<String> opts = new ArrayList<>();
List<File> files = new ArrayList<>();
// create annotated package statement with all combinations of retention policy if (sr) sb.append("@SR\n"); if (cr) sb.append("@CR\n"); if (rr) sb.append("@RR\n");
sb.append("package p;\n");
sb.append("\n");
case LEGACY: case NONE:
expected = (sr || cr || rr ); // any annotation break;
case NONEMPTY:
expected = (cr || rr ); // any annotation in class file break;
default: thrownew IllegalStateException();
}
if (exists && !expected)
error("package-info.class found but not expected"); if (!exists && expected)
error("package-info.class expected but not found");
}
/** Compile files with options provided. */ void compile(List<String> opts, List<File> files) throws Exception {
System.err.println("javac: " + opts + " " + files);
List<String> args = new ArrayList<>();
args.addAll(opts); for (File f: files)
args.add(f.getPath());
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw); int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
pw.flush(); if (sw.getBuffer().length() > 0)
System.err.println(sw.toString()); if (rc != 0) thrownew Exception("compilation failed: rc=" + rc);
}
/** Write a file with a given body. */ void writeFile(File f, String body) throws Exception { if (f.getParentFile() != null)
f.getParentFile().mkdirs();
Writer out = new FileWriter(f); try {
out.write(body);
} finally {
out.close();
}
}
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