1. camlspotter
  2. ojacare

Commits

camlspotter  committed 4a35a90

gc test

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  • Parent commits f53c8c4
  • Branches android

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Files changed (4)

File camljava-0.3/test_gc/Makefile

View file
+include ../Makefile.config
+
+CAMLJAVA=$(shell ocamlfind printconf destdir)/camljava/camljava.jar
+
+all: jnitest Test.class Testcb.class
+	CLASSPATH=. ./jnitest
+
+jnitest: jnitest.ml
+	ocamlfind ocamlc -package camljava -g -o jnitest jni.cma jnitest.ml
+
+clean::
+	rm -f jnitest
+
+.SUFFIXES: .java .class
+
+.java.class:
+	$(JAVAC) -classpath $(CAMLJAVA):. $*.java
+
+clean::
+	rm -f *.cm?
+	rm -f *.class

File camljava-0.3/test_gc/Test.java

View file
+class Test {
+  static void f()
+  {
+    System.out.println("f"); 
+  }
+  static int g(int x, int y)
+  {
+    System.out.println("g " + x + " " + y); 
+    return x + y;
+  }
+  static int a;
+  int b;
+  int h() {
+    System.out.println("h");
+    return b;
+  }
+  static int k(Testcb cb, int x)
+  {
+      // System.out.println("k " + x);
+    cb.f();
+    return cb.g(x); 
+  }
+}

File camljava-0.3/test_gc/Testcb.java

View file
+import fr.inria.caml.camljava.Callback;
+
+class Testcb {
+    private Callback cb;
+    private static long _f = Callback.getCamlMethodID("f");
+    private static long _g = Callback.getCamlMethodID("g");
+    public Testcb(Callback c) { cb = c; }
+    public void f()
+    { Object[] args = { }; cb.callVoid(_f, args); }
+    public int g(int x)
+    { Object[] args = { new fr.inria.caml.camljava.Camlint(x) };
+      return cb.callCamlint(_g, args); }
+    protected void finalize() throws Throwable
+    {
+	System.out.println("finalizing"); 
+    }
+}

File camljava-0.3/test_gc/jnitest.ml

View file
+open Jni
+
+class cls i = object
+  method f = (* print_string "cls.f called"; print_newline() *) ()
+  method g x =
+    (* print_string "cls.g called with "; print_int x; print_newline(); *)
+    x+i
+  method i = i
+end
+
+let finalizer o =
+  Format.eprintf "finalizing object #%d@." o#i
+
+let wrap_caml_object n =
+  let camlobj = new cls n in
+  Gc.finalise finalizer camlobj;
+  (* Wrap caml object into instance of Testcb (see Testcb.java) *)
+  let c = find_class "Testcb" in
+  let i = get_methodID c "<init>" "(Lfr/inria/caml/camljava/Callback;)V" in
+  let o = alloc_object c in
+  call_nonvirtual_void_method o c i [|Obj(wrap_object camlobj)|];
+  o
+
+let test() =
+  (* Static method invocation *)
+  let c = find_class "Test" in
+  let f = get_static_methodID c "f" "()V" in
+  print_string "Calling Test.f()"; print_newline();
+  call_static_void_method c f [||];
+  let g = get_static_methodID c "g" "(II)I" in
+  print_string "Calling Test.g(12,45)"; print_newline();
+  let r = call_static_int_method c g [|Camlint 12; Camlint 45|] in
+  print_string "Result is: "; print_string (Int32.to_string r); 
+  print_newline();
+  (* Static field access *)
+  let a = get_static_fieldID c "a" "I" in
+  print_string "Current value of Test.a is: ";
+  print_string (Int32.to_string (get_static_int_field c a));
+  print_newline();
+  print_string "Setting Test.a to 12"; print_newline();
+  set_static_int_field c a (Int32.of_int 12);
+  print_string "Current value of Test.a is: ";
+  print_string (Int32.to_string (get_static_int_field c a));
+  print_newline();
+  (* Object creation *)
+  print_string "Creating an instance of Test..."; print_newline();
+  let o = alloc_object c in
+  let init = get_methodID c "<init>" "()V" in
+  call_nonvirtual_void_method o c init [||];
+  (* Virtual method invocation *)
+  let h = get_methodID c "h" "()I" in
+  print_string "Calling testinstance.h()"; print_newline();
+  let r = call_int_method o h [||] in
+  print_string "Result is: "; print_string (Int32.to_string r); 
+  print_newline();
+  (* Instance field access *)
+  let b = get_fieldID c "b" "I" in
+  print_string "Setting testinstance.b to 45"; print_newline();
+  set_int_field o b (Int32.of_int 45);
+  print_string "Calling testinstance.h()"; print_newline();
+  let r = call_int_method o h [||] in
+  print_string "Result is: "; print_string (Int32.to_string r); 
+  print_newline();
+  print_string "Current value of testinstance.b is: ";
+  print_string (Int32.to_string (get_int_field o b));
+  print_newline();
+  print_string "Wrapping Caml object into Java object..."; print_newline();
+  let k = get_static_methodID c "k" "(LTestcb;I)I" in
+  print_string "Calling Test.k(<caml object>, 2)"; print_newline();
+
+  prerr_endline "GC Trial";
+  for i = 0 to 1000000 do 
+    let cb = wrap_caml_object i in
+    let r = call_static_int_method c k [|Obj cb; Camlint 2|] in
+(*
+    print_string "Result is: "; print_string (Int32.to_string r); 
+    print_newline()
+*)
+    ()
+  done
+
+let _ =
+  test()