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/*

 * @test

 * @summary Tests the format checking of class list format.

 *

 * @requires vm.cds.custom.loaders

 * @library /test/lib /test/hotspot/jtreg/runtime/appcds

 * @modules java.base/jdk.internal.misc

 *          java.management

 *          jdk.jartool/sun.tools.jar

 * @compile test-classes/Hello.java test-classes/CustomLoadee.java test-classes/CustomLoadee2.java

 *          test-classes/CustomInterface2_ia.java test-classes/CustomInterface2_ib.java

 * @run main ClassListFormatA

 */

public class ClassListFormatA extends ClassListFormatBase {

    static {

        // Uncomment the following line to run only one of the test cases

        // ClassListFormatBase.RUN_ONLY_TEST = "TESTCASE A1";

    }

    public static void main(String[] args) throws Throwable {

        String appJar = JarBuilder.getOrCreateHelloJar();

        String customJarPath = JarBuilder.build("ClassListFormatA", "CustomLoadee",

                                            "CustomLoadee2", "CustomInterface2_ia", "CustomInterface2_ib");

        //----------------------------------------------------------------------

        // TESTGROUP A: general bad input

        //----------------------------------------------------------------------

        dumpShouldFail(

            "TESTCASE A1: bad input - interface: instead of interfaces:",

            appJar, classlist(

                "Hello",

                "java/lang/Object id: 1",

                "CustomLoadee interface: 1"

            ),

            "Unknown input:");

        dumpShouldFail(

            "TESTCASE A2: bad input - negative IDs not allowed",

            appJar, classlist(

                "Hello",

                "java/lang/Object id: -1"

            ),

            "Error: negative integers not allowed");

        dumpShouldFail(

            "TESTCASE A3: bad input - bad ID (not an integer)",

            appJar, classlist(

                "Hello",

                "java/lang/Object id: xyz"

            ),

            "Error: expected integer");

        if (false) {

              // FIXME - classFileParser.cpp needs fixing.

            dumpShouldFail(

                "TESTCASE A4: bad input - bad ID (integer too big)",

                appJar, classlist(

                    "Hello",

                    "java/lang/Object id: 2147483648" // <- this is 0x80000000

                ),

                "Error: expected integer");

              // FIXME

            dumpShouldFail(

                "TESTCASE A5: bad input - bad ID (integer too big)",

                appJar, classlist(

                    "Hello",

                    "java/lang/Object id: 21474836489" // bigger than 32-bit!

                ),

                "Error: expected integer");

        }

        // Good input:

        dumpShouldPass(

            "TESTCASE A6: extraneous spaces, tab characters and trailing new line characters",

            appJar, classlist(

                "Hello   ",                   // trailing spaces

                "java/lang/Object\tid:\t1",   // \t instead of ' '

                "CustomLoadee id: 2 super: 1 source: " + customJarPath,

                "CustomInterface2_ia id: 3 super: 1 source: " + customJarPath + " ",

                "CustomInterface2_ib id: 4 super: 1 source: " + customJarPath + "\t\t\r" ,

                "CustomLoadee2 id: 5 super: 1 interfaces: 3 4 source: " + customJarPath      // preceding spaces

            ));

        int _max_allowed_line = 4096; // Must match ClassListParser::_max_allowed_line in C code.

        int _line_buf_extra = 10;     // Must match ClassListParser::_line_buf_extra in C code.

        StringBuffer sbuf = new StringBuffer();

        for (int i=0; i<_max_allowed_line+1; i++) {

          sbuf.append("x");

        }

        dumpShouldFail(

            "TESTCASE A7: bad input - line too long",

            appJar, classlist(

                sbuf.toString()

            ),

            "input line too long (must be no longer than " + _max_allowed_line + " chars");

        for (int i=0; i<_line_buf_extra + 1000; i++) {

          sbuf.append("X");

        }

        dumpShouldFail(

            "TESTCASE A8: bad input - line too long: try to overflow C buffer",

            appJar, classlist(

                sbuf.toString()

            ),

            "input line too long (must be no longer than " + _max_allowed_line + " chars");

    }

}