public void run() throws Exception {
File rtDir = new File("rt.dir");
File javaHome = new File(System.getProperty("java.home"));
if (javaHome.getName().equals("jre")) javaHome = javaHome.getParentFile();
File rtJar = new File(new File(new File(javaHome, "jre"), "lib"), "rt.jar");
expand(rtJar, rtDir);
String[] rtDir_opts = {
"-bootclasspath", rtDir.toString(),
"-classpath", "",
"-sourcepath", "",
"-extdirs", ""
};
test(rtDir_opts, "HelloPathWorld");
if (isJarFileSystemAvailable()) {
String[] rtJar_opts = {
"-bootclasspath", rtJar.toString(),
"-classpath", "",
"-sourcepath", "",
"-extdirs", ""
};
test(rtJar_opts, "HelloPathWorld");
String[] default_opts = {};
test(default_opts, "HelloPathWorld");
// finally, a non-trivial program
test(default_opts, "CompileTest");
} else System.err.println("jar file system not available: test skipped");
}
void copy(InputStream in, File dest) throws IOException {
dest.getParentFile().mkdirs();
OutputStream out = new BufferedOutputStream(new FileOutputStream(dest));
try {
byte[] data = new byte[8192];
int n;
while ((n = in.read(data, 0, data.length)) > 0) out.write(data, 0, n);
} finally {
out.close();
in.close();
}
}