test/hotspot/jtreg/runtime/appcds/dynamicArchive/test-classes/MethodSortingApp.java
8207812: Implement Dynamic CDS Archive
Summary: Improve the usability of AppCDS
Reviewed-by: acorn, jiangli, mseledtsov
Contributed-by: ioi.lam@oracle.com, jianglizhou@google.com, calvin.cheung@oracle.com
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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import java.util.concurrent.BlockingQueue;
import java.util.concurrent.SynchronousQueue;
public class MethodSortingApp {
static class HelloA {
String aaaa() { return "aaaa"; }
String bbbb() { return "bbbb"; }
String dddd() { return "dddd"; }
String eeee() { return "eeee"; }
String gggg() { return "gggg"; }
}
static class HelloA1 extends HelloA {
String aaaa() { return "aaa-"; }
String dddd() { return "ddd-"; }
String gggg() { return "ggg-"; }
}
static class HelloB {
String aaaa() { return "aaaa"; }
String cccc() { return "cccc"; }
String dddd() { return "dddd"; }
String ffff() { return "ffff"; }
String gggg() { return "gggg"; }
}
static class HelloB1 extends HelloB {
String aaaa() { return "aaa-"; }
String dddd() { return "ddd-"; }
String gggg() { return "ggg-"; }
}
// Default methods in interfaces must be sorted
static interface InterfaceA {
default public String aaa() { return "aaa";}
default public String bbb() { return "bbb";}
default public String ddd() { return "ddd";}
default public String eee() { return "eee";}
default public String ggg() { return "ggg";}
}
static class ImplementorA implements InterfaceA {
public String aaa() { return "aa-";}
}
static class ImplementorA1 extends ImplementorA {
public String bbb() { return "bb-";}
}
static interface InterfaceB {
default public String aaa() { return "aaa"; }
default public String ccc() { return "ccc"; }
default public String ddd() { return "ddd"; }
default public String fff() { return "fff"; }
default public String ggg() { return "ggg"; }
}
static class ImplementorB implements InterfaceB {
public String ggg() { return "gg-";}
}
static class ImplementorB1 extends ImplementorB {
public String fff() { return "ff-";}
}
public static void main(String args[]) {
testSimpleMethods();
testDefaultMethods();
testMixedInterfaces();
}
static void testSimpleMethods() {
// When HelloA and HelloB are copied into the dynamic archive, the Symbols
// for their method's names will have a different sorting order. This requires
// that the dumped InstanceKlass to re-sort their "methods" array and re-layout
// the vtables/itables.
HelloA1 a1 = new HelloA1();
HelloA a = new HelloA();
assertEqual(a.aaaa(), "aaaa");
assertEqual(a.bbbb(), "bbbb");
assertEqual(a.dddd(), "dddd");
assertEqual(a.eeee(), "eeee");
assertEqual(a.gggg(), "gggg");
assertEqual(a1.aaaa(), "aaa-");
assertEqual(a1.bbbb(), "bbbb");
assertEqual(a1.dddd(), "ddd-");
assertEqual(a1.eeee(), "eeee");
assertEqual(a1.gggg(), "ggg-");
HelloB b = new HelloB();
assertEqual(b.aaaa(), "aaaa");
assertEqual(b.cccc(), "cccc");
assertEqual(b.dddd(), "dddd");
assertEqual(b.ffff(), "ffff");
assertEqual(b.gggg(), "gggg");
HelloB b1 = new HelloB1();
assertEqual(b1.aaaa(), "aaa-");
assertEqual(b1.cccc(), "cccc");
assertEqual(b1.dddd(), "ddd-");
assertEqual(b1.ffff(), "ffff");
assertEqual(b1.gggg(), "ggg-");
}
static void testDefaultMethods() {
InterfaceA a1 = new ImplementorA1();
InterfaceA a = new ImplementorA();
assertEqual(a.aaa(), "aa-");
assertEqual(a.bbb(), "bbb");
assertEqual(a.ddd(), "ddd");
assertEqual(a.eee(), "eee");
assertEqual(a.ggg(), "ggg");
assertEqual(a1.aaa(), "aa-");
assertEqual(a1.bbb(), "bb-");
assertEqual(a1.ddd(), "ddd");
assertEqual(a1.eee(), "eee");
assertEqual(a1.ggg(), "ggg");
InterfaceB b = new ImplementorB();
InterfaceB b1 = new ImplementorB1();
assertEqual(b.aaa(), "aaa");
assertEqual(b.ccc(), "ccc");
assertEqual(b.ddd(), "ddd");
assertEqual(b.fff(), "fff");
assertEqual(b.ggg(), "gg-");
assertEqual(b1.aaa(), "aaa");
assertEqual(b1.ccc(), "ccc");
assertEqual(b1.ddd(), "ddd");
assertEqual(b1.fff(), "ff-");
assertEqual(b1.ggg(), "gg-");
}
// This is a regression test for an earlier bug in
// DynamicArchiveBuilder::relocate_buffer_to_target()
static void testMixedInterfaces() {
Object xx = new SynchronousQueue();
BlockingQueue yy = (BlockingQueue)xx;
}
static private void assertEqual(String a, String b) {
if (!a.equals(b)) {
throw new RuntimeException(a + " is not equal to " + b);
} else {
System.out.println("Expected: " + a + ", got: " + b);
}
}
}