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+module li_boost_shared_ptr_runme;
+
+import tango.io.Stdout;
+import tango.core.Exception;
+import tango.core.Memory;
+import tango.core.Thread;
+import tango.text.convert.Integer;
+import li_boost_shared_ptr.li_boost_shared_ptr;
+import li_boost_shared_ptr.Klass;
+import li_boost_shared_ptr.KlassDerived;
+import li_boost_shared_ptr.Klass3rdDerived;
+import li_boost_shared_ptr.MemberVariables;
+import li_boost_shared_ptr.PairIntDouble;
+
+// Debugging flag
+const bool TRACE = false;
+
+void main() {
+ if (TRACE)
+ Stdout("---> STARTED <---").newline;
+
+ debug_shared=TRACE;
+
+ // Change loop count to run for a long time to monitor memory
+ const int LOOP_COUNT = 1; // 50000;
+ for (int i = 0; i < LOOP_COUNT; ++i) {
+ runTest();
+ GC.collect();
+ }
+
+ if (TRACE)
+ Stdout("---> NEARLY FINISHED <---").newline;
+
+ // Try to get the GC to collect everything not referenced anymore.
+ int countdown = 100;
+ while (--countdown) {
+ GC.collect();
+ if (Klass.getTotal_count() == 1)
+ break;
+ Thread.sleep(0.01);
+ }
+
+ // A single remaining instance expected: the global variable (GlobalValue).
+ if (Klass.getTotal_count() != 1)
+ throw new Exception("Klass.total_count=" ~ toString(Klass.getTotal_count()));
+
+ // A single remaining instance expected: the global variable (GlobalSmartValue).
+ int wrapper_count = shared_ptr_wrapper_count();
+ if (wrapper_count != NOT_COUNTING)
+ if (wrapper_count != 1)
+ throw new Exception("shared_ptr wrapper count=" ~ toString(wrapper_count));
+
+ if (TRACE)
+ Stdout("---> FINISHED <---").newline;
+}
+
+void runTest() {
+ // simple shared_ptr usage - created in C++
+ {
+ auto k = new Klass("me oh my");
+ char[] val = k.getValue();
+ verifyValue("me oh my", val);
+ verifyCount(1, k);
+ }
+
+ // simple shared_ptr usage - not created in C++
+ {
+ auto k = factorycreate();
+ char[] val = k.getValue();
+ verifyValue("factorycreate", val);
+ verifyCount(1, k);
+ }
+
+ // pass by shared_ptr
+ {
+ auto k = new Klass("me oh my");
+ auto kret = smartpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointertest", val);
+ verifyCount(2, k);
+ verifyCount(2, kret);
+ }
+
+ // pass by shared_ptr pointer
+ {
+ auto k = new Klass("me oh my");
+ auto kret = smartpointerpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointerpointertest", val);
+ verifyCount(2, k);
+ verifyCount(2, kret);
+ }
+
+ // pass by shared_ptr reference
+ {
+ auto k = new Klass("me oh my");
+ auto kret = smartpointerreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointerreftest", val);
+ verifyCount(2, k);
+ verifyCount(2, kret);
+ }
+
+ // pass by shared_ptr pointer reference
+ {
+ auto k = new Klass("me oh my");
+ auto kret = smartpointerpointerreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointerpointerreftest", val);
+ verifyCount(2, k);
+ verifyCount(2, kret);
+ }
+
+ // const pass by shared_ptr
+ {
+ auto k = new Klass("me oh my");
+ auto kret = constsmartpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my", val);
+ verifyCount(2, k);
+ verifyCount(2, kret);
+ }
+
+ // const pass by shared_ptr pointer
+ {
+ auto k = new Klass("me oh my");
+ auto kret = constsmartpointerpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my", val);
+ verifyCount(2, k);
+ verifyCount(2, kret);
+ }
+
+ // const pass by shared_ptr reference
+ {
+ auto k = new Klass("me oh my");
+ auto kret = constsmartpointerreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my", val);
+ verifyCount(2, k);
+ verifyCount(2, kret);
+ }
+
+ // pass by value
+ {
+ auto k = new Klass("me oh my");
+ auto kret = valuetest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my valuetest", val);
+ verifyCount(1, k);
+ verifyCount(1, kret);
+ }
+
+ // pass by pointer
+ {
+ auto k = new Klass("me oh my");
+ auto kret = pointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my pointertest", val);
+ verifyCount(1, k);
+ verifyCount(1, kret);
+ }
+
+ // pass by reference
+ {
+ auto k = new Klass("me oh my");
+ auto kret = reftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my reftest", val);
+ verifyCount(1, k);
+ verifyCount(1, kret);
+ }
+
+ // pass by pointer reference
+ {
+ auto k = new Klass("me oh my");
+ auto kret = pointerreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my pointerreftest", val);
+ verifyCount(1, k);
+ verifyCount(1, kret);
+ }
+
+ // null tests
+ {
+ Klass k = null;
+
+ // TODO: add in const versions too
+ if (smartpointertest(k) !is null)
+ throw new Exception("return was not null");
+
+ if (smartpointerpointertest(k) !is null)
+ throw new Exception("return was not null");
+
+ if (smartpointerreftest(k) !is null)
+ throw new Exception("return was not null");
+
+ if (smartpointerpointerreftest(k) !is null)
+ throw new Exception("return was not null");
+
+ if (nullsmartpointerpointertest(null) != "null pointer")
+ throw new Exception("not null smartpointer pointer");
+
+ try { valuetest(k); throw new Exception("Failed to catch null pointer"); } catch (IllegalArgumentException) {}
+
+ if (pointertest(k) !is null)
+ throw new Exception("return was not null");
+
+ try { reftest(k); throw new Exception("Failed to catch null pointer"); } catch (IllegalArgumentException) {}
+ }
+
+ // $owner
+ {
+ auto k = pointerownertest();
+ char[] val = k.getValue();
+ verifyValue("pointerownertest", val);
+ verifyCount(1, k);
+ }
+ {
+ auto k = smartpointerpointerownertest();
+ char[] val = k.getValue();
+ verifyValue("smartpointerpointerownertest", val);
+ verifyCount(1, k);
+ }
+
+ ////////////////////////////////// Derived classes ////////////////////////////////////////
+ // derived pass by shared_ptr
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = derivedsmartptrtest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my derivedsmartptrtest-Derived", val);
+ verifyCount(4, k); // includes two extra references for upcasts in the proxy classes
+ verifyCount(4, kret);
+ }
+ // derived pass by shared_ptr pointer
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = derivedsmartptrpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my derivedsmartptrpointertest-Derived", val);
+ verifyCount(4, k); // includes two extra references for upcasts in the proxy classes
+ verifyCount(4, kret);
+ }
+ // derived pass by shared_ptr ref
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = derivedsmartptrreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my derivedsmartptrreftest-Derived", val);
+ verifyCount(4, k); // includes two extra references for upcasts in the proxy classes
+ verifyCount(4, kret);
+ }
+ // derived pass by shared_ptr pointer ref
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = derivedsmartptrpointerreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my derivedsmartptrpointerreftest-Derived", val);
+ verifyCount(4, k); // includes two extra references for upcasts in the proxy classes
+ verifyCount(4, kret);
+ }
+ // derived pass by pointer
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = derivedpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my derivedpointertest-Derived", val);
+ verifyCount(2, k); // includes an extra reference for the upcast in the proxy class
+ verifyCount(2, kret);
+ }
+ // derived pass by ref
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = derivedreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my derivedreftest-Derived", val);
+ verifyCount(2, k); // includes an extra reference for the upcast in the proxy class
+ verifyCount(2, kret);
+ }
+
+ ////////////////////////////////// Derived and base class mixed ////////////////////////////////////////
+ // pass by shared_ptr (mixed)
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = smartpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointertest-Derived", val);
+ verifyCount(3, k); // an extra reference for the upcast in the proxy class
+ verifyCount(3, kret);
+ }
+
+ // pass by shared_ptr pointer (mixed)
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = smartpointerpointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointerpointertest-Derived", val);
+ verifyCount(3, k); // an extra reference for the upcast in the proxy class
+ verifyCount(3, kret);
+ }
+
+ // pass by shared_ptr reference (mixed)
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = smartpointerreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointerreftest-Derived", val);
+ verifyCount(3, k); // an extra reference for the upcast in the proxy class
+ verifyCount(3, kret);
+ }
+
+ // pass by shared_ptr pointer reference (mixed)
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = smartpointerpointerreftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my smartpointerpointerreftest-Derived", val);
+ verifyCount(3, k); // an extra reference for the upcast in the proxy class
+ verifyCount(3, kret);
+ }
+
+ // pass by value (mixed)
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = valuetest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my valuetest", val); // note slicing
+ verifyCount(2, k); // an extra reference for the upcast in the proxy class
+ verifyCount(1, kret);
+ }
+
+ // pass by pointer (mixed)
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = pointertest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my pointertest-Derived", val);
+ verifyCount(2, k); // an extra reference for the upcast in the proxy class
+ verifyCount(1, kret);
+ }
+
+ // pass by ref (mixed)
+ {
+ auto k = new KlassDerived("me oh my");
+ auto kret = reftest(k);
+ char[] val = kret.getValue();
+ verifyValue("me oh my reftest-Derived", val);
+ verifyCount(2, k); // an extra reference for the upcast in the proxy class
+ verifyCount(1, kret);
+ }
+
+ // 3rd derived class
+ {
+ auto k = new Klass3rdDerived("me oh my");
+ char[] val = k.getValue();
+ verifyValue("me oh my-3rdDerived", val);
+ verifyCount(3, k); // 3 classes in inheritance chain == 3 swigCPtr values
+ val = test3rdupcast(k);
+ verifyValue("me oh my-3rdDerived", val);
+ verifyCount(3, k);
+ }
+
+ ////////////////////////////////// Member variables ////////////////////////////////////////
+ // smart pointer by value
+ {
+ auto m = new MemberVariables();
+ auto k = new Klass("smart member value");
+ m.SmartMemberValue = k;
+ char[] val = k.getValue();
+ verifyValue("smart member value", val);
+ verifyCount(2, k);
+
+ auto kmember = m.SmartMemberValue;
+ val = kmember.getValue();
+ verifyValue("smart member value", val);
+ verifyCount(3, kmember);
+ verifyCount(3, k);
+
+ delete m;
+
+ verifyCount(2, kmember);
+ verifyCount(2, k);
+ }
+ // smart pointer by pointer
+ {
+ auto m = new MemberVariables();
+ auto k = new Klass("smart member pointer");
+ m.SmartMemberPointer = k;
+ char[] val = k.getValue();
+ verifyValue("smart member pointer", val);
+ verifyCount(1, k);
+
+ auto kmember = m.SmartMemberPointer;
+ val = kmember.getValue();
+ verifyValue("smart member pointer", val);
+ verifyCount(2, kmember);
+ verifyCount(2, k);
+
+ delete m;
+
+ verifyCount(2, kmember);
+ verifyCount(2, k);
+ }
+ // smart pointer by reference
+ {
+ auto m = new MemberVariables();
+ auto k = new Klass("smart member reference");
+ m.SmartMemberReference = k;
+ char[] val = k.getValue();
+ verifyValue("smart member reference", val);
+ verifyCount(2, k);
+
+ auto kmember = m.SmartMemberReference;
+ val = kmember.getValue();
+ verifyValue("smart member reference", val);
+ verifyCount(3, kmember);
+ verifyCount(3, k);
+
+ // The C++ reference refers to SmartMemberValue...
+ auto kmemberVal = m.SmartMemberValue;
+ val = kmember.getValue();
+ verifyValue("smart member reference", val);
+ verifyCount(4, kmemberVal);
+ verifyCount(4, kmember);
+ verifyCount(4, k);
+
+ delete m;
+
+ verifyCount(3, kmember);
+ verifyCount(3, k);
+ }
+ // plain by value
+ {
+ auto m = new MemberVariables();
+ auto k = new Klass("plain member value");
+ m.MemberValue = k;
+ char[] val = k.getValue();
+ verifyValue("plain member value", val);
+ verifyCount(1, k);
+
+ auto kmember = m.MemberValue;
+ val = kmember.getValue();
+ verifyValue("plain member value", val);
+ verifyCount(1, kmember);
+ verifyCount(1, k);
+
+ delete m;
+
+ verifyCount(1, kmember);
+ verifyCount(1, k);
+ }
+ // plain by pointer
+ {
+ auto m = new MemberVariables();
+ auto k = new Klass("plain member pointer");
+ m.MemberPointer = k;
+ char[] val = k.getValue();
+ verifyValue("plain member pointer", val);
+ verifyCount(1, k);
+
+ auto kmember = m.MemberPointer;
+ val = kmember.getValue();
+ verifyValue("plain member pointer", val);
+ verifyCount(1, kmember);
+ verifyCount(1, k);
+
+ delete m;
+
+ verifyCount(1, kmember);
+ verifyCount(1, k);
+ }
+ // plain by reference
+ {
+ auto m = new MemberVariables();
+ auto k = new Klass("plain member reference");
+ m.MemberReference = k;
+ char[] val = k.getValue();
+ verifyValue("plain member reference", val);
+ verifyCount(1, k);
+
+ auto kmember = m.MemberReference;
+ val = kmember.getValue();
+ verifyValue("plain member reference", val);
+ verifyCount(1, kmember);
+ verifyCount(1, k);
+
+ delete m;
+
+ verifyCount(1, kmember);
+ verifyCount(1, k);
+ }
+
+ // null member variables
+ {
+ auto m = new MemberVariables();
+
+ // shared_ptr by value
+ auto k = m.SmartMemberValue;
+ if (k !is null)
+ throw new Exception("expected null");
+ m.SmartMemberValue = null;
+ k = m.SmartMemberValue;
+ if (k !is null)
+ throw new Exception("expected null");
+ verifyCount(0, k);
+
+ // plain by value
+ try { m.MemberValue = null; throw new Exception("Failed to catch null pointer"); } catch (IllegalArgumentException) {}
+ }
+
+ ////////////////////////////////// Global variables ////////////////////////////////////////
+ // smart pointer
+ {
+ auto kglobal = GlobalSmartValue;
+ if (kglobal !is null)
+ throw new Exception("expected null");
+
+ auto k = new Klass("smart global value");
+ GlobalSmartValue = k;
+ verifyCount(2, k);
+
+ kglobal = GlobalSmartValue;
+ char[] val = kglobal.getValue();
+ verifyValue("smart global value", val);
+ verifyCount(3, kglobal);
+ verifyCount(3, k);
+ verifyValue("smart global value", GlobalSmartValue.getValue());
+ GlobalSmartValue = null;
+ }
+ // plain value
+ {
+ Klass kglobal;
+
+ auto k = new Klass("global value");
+ GlobalValue = k;
+ verifyCount(1, k);
+
+ kglobal = GlobalValue;
+ char[] val = kglobal.getValue();
+ verifyValue("global value", val);
+ verifyCount(1, kglobal);
+ verifyCount(1, k);
+ verifyValue("global value", GlobalValue.getValue());
+
+ try { GlobalValue = null; throw new Exception("Failed to catch null pointer"); } catch (IllegalArgumentException) {}
+ }
+ // plain pointer
+ {
+ auto kglobal = GlobalPointer;
+ if (kglobal !is null)
+ throw new Exception("expected null");
+
+ auto k = new Klass("global pointer");
+ GlobalPointer = k;
+ verifyCount(1, k);
+
+ kglobal = GlobalPointer;
+ char[] val = kglobal.getValue();
+ verifyValue("global pointer", val);
+ verifyCount(1, kglobal);
+ verifyCount(1, k);
+ GlobalPointer = null;
+ }
+ // plain reference
+ {
+ Klass kglobal;
+
+ auto k = new Klass("global reference");
+ GlobalReference = k;
+ verifyCount(1, k);
+
+ kglobal = GlobalReference;
+ char[] val = kglobal.getValue();
+ verifyValue("global reference", val);
+ verifyCount(1, kglobal);
+ verifyCount(1, k);
+
+ try { GlobalReference = null; throw new Exception("Failed to catch null pointer"); } catch (IllegalArgumentException) {}
+ }
+
+ ////////////////////////////////// Templates ////////////////////////////////////////
+ {
+ PairIntDouble pid = new PairIntDouble(10, 20.2);
+ if (pid.baseVal1 != 20 || pid.baseVal2 != 40.4)
+ throw new Exception("Base values wrong");
+ if (pid.val1 != 10 || pid.val2 != 20.2)
+ throw new Exception("Derived Values wrong");
+ }
+}
+
+private void verifyValue(char[] expected, char[] got) {
+ if (expected != got)
+ throw new Exception("verify value failed. Expected: " ~ expected ~ " Got: " ~ got);
+}
+
+private void verifyCount(int expected, Klass k) {
+ // We deliberately call the use_count(Klass) overload also for objects which
+ // are instances of a subclass of Klass (due to static dispatch); things still
+ // have to work.
+ int got = use_count(k);
+ if (expected != got)
+ throw new Exception("verify use_count failed. Expected: " ~ toString(expected) ~ " Got: " ~ toString(got));
+}