104 lines
3.4 KiB
Java
104 lines
3.4 KiB
Java
/**
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* @test
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* @bug 6359397
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* @summary Test if FileOutputStream methods will check if the stream
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* has been closed.
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*/
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import java.io.*;
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public enum OpsAfterClose {
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WRITE { boolean check(FileOutputStream r) {
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try {
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r.write(1);
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} catch (IOException io) {
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System.out.print("Excep Msg: "+ io.getMessage() + ", ");
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return true;
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}
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return false;
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} },
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WRITE_BUF { boolean check(FileOutputStream r) {
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try {
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byte buf[] = new byte[2];
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r.write(buf);
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} catch (IOException io) {
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System.out.print("Excep Msg: "+ io.getMessage() + ", ");
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return true;
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}
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return false;
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} },
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WRITE_BUF_OFF { boolean check(FileOutputStream r) {
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try {
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byte buf[] = new byte[2];
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int len = 1;
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r.write(buf, 0, len);
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} catch (IOException io) {
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System.out.print("Excep Msg: "+ io.getMessage() + ", ");
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return true;
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}
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return false;
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} },
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GET_CHANNEL { boolean check(FileOutputStream r) {
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r.getChannel();
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return true;
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} },
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GET_FD { boolean check(FileOutputStream r) {
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try {
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r.getFD();
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return true;
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} catch (IOException io) {
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System.out.print("Excep Msg: "+ io.getMessage() + ", ");
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return false;
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}
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} },
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CLOSE { boolean check(FileOutputStream r) {
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try {
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r.close();
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return true; // No Exceptin thrown on Windows
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} catch (IOException io) {
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System.out.print("Excep Msg: "+ io.getMessage() + ", ");
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return true; // Exception thrown on solaris and linux
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}
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} };
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abstract boolean check(FileOutputStream r);
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public static void main(String args[]) throws Exception {
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boolean failed = false;
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File f = new File(System.getProperty("test.dir", "."),
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"f.txt");
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f.createNewFile();
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f.deleteOnExit();
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FileOutputStream fis = new FileOutputStream(f);
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if (testFileOutputStream(fis)) {
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throw new Exception("Test failed for some of the operation{s}" +
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" on FileOutputStream, check the messages");
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}
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}
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private static boolean testFileOutputStream(FileOutputStream r)
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throws Exception {
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r.close();
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boolean failed = false;
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boolean result;
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System.out.println("Testing File:" + r);
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for (OpsAfterClose op : OpsAfterClose.values()) {
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result = op.check(r);
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if (!result) {
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failed = true;
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}
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System.out.println(op + ":" + result);
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}
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if (failed) {
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System.out.println("Test failed for the failed operation{s}" +
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" above for the FileOutputStream:" + r);
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}
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return failed;
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}
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}
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