jdk-24/langtools/test/tools/javac/meth/InvokeDyn.java
John Rose cd74d63c12 6979327: method handle invocation should use casts instead of type parameters to specify return type
Infer return type for polymorphic signature calls according to updated JSR 292 draft

Reviewed-by: jjg
2010-09-07 17:32:27 +01:00

65 lines
2.2 KiB
Java

/*
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/*
* @test
* @bug 6754038 6979327
* @summary Generate call sites for method handle
* @author jrose
*
* @library ..
* @compile -source 7 -target 7 -XDinvokedynamic -XDallowTransitionalJSR292=no InvokeDyn.java
*/
//No: @run main/othervm -XX:+EnableInvokeDynamic meth.InvokeDyn
/*
* Standalone testing:
* <code>
* $ cd $MY_REPO_DIR/langtools
* $ (cd make; make)
* $ ./dist/bootstrap/bin/javac -d dist test/tools/javac/meth/InvokeDyn.java
* $ javap -c -classpath dist meth.InvokeDyn
* </code>
*/
package meth;
import java.dyn.*;
public class InvokeDyn {
class CS extends CallSite {
CS(Object x, Object y, Object z) { throw new RuntimeException(); }
}
//@BootstrapMethod(CS.class) //note: requires 6964498
void test() throws Throwable {
Object x = "hello";
Object ojunk; int ijunk;
ojunk = InvokeDynamic.greet(x, "world", 123);
ojunk = InvokeDynamic.greet(x, "mundus", 456);
ojunk = InvokeDynamic.greet(x, "kosmos", 789);
ojunk = (String) InvokeDynamic.cogitate(10.11121, 3.14);
InvokeDynamic.#"yow: what I mean to say is, please treat this one specially"(null);
ijunk = (int) InvokeDynamic.invoke("goodbye");
}
}