/trunk/Examples/test-suite/d/li_boost_shared_ptr_runme.2.d
D | 602 lines | 471 code | 74 blank | 57 comment | 26 complexity | 1a0b36594b3a01d01454a515242b951b MD5 | raw file
Possible License(s): LGPL-2.1, Cube, GPL-3.0, 0BSD, GPL-2.0
- module li_boost_shared_ptr_runme;
- import core.memory;
- import core.thread;
- import std.conv;
- import std.exception;
- import std.stdio;
- 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
- enum TRACE = false;
- void main() {
- if (TRACE)
- writeln("---> STARTED <---");
- debug_shared = TRACE;
- // Change loop count to run for a long time to monitor memory
- enum LOOP_COUNT = 1; // 50000;
- for (int i = 0; i < LOOP_COUNT; ++i) {
- runTest();
- GC.collect();
- }
- if (TRACE)
- writeln("---> NEARLY FINISHED <---");
- // 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(100);
- }
- // A single remaining instance expected: the global variable (GlobalValue).
- if (Klass.getTotal_count() != 1)
- throw new Exception("Klass.total_count=" ~ to!string(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=" ~ to!string(wrapper_count));
- if (TRACE)
- writeln("---> FINISHED <---");
- }
- void runTest() {
- // simple shared_ptr usage - created in C++
- {
- auto k = new Klass("me oh my");
- string val = k.getValue();
- verifyValue("me oh my", val);
- verifyCount(1, k);
- }
- // simple shared_ptr usage - not created in C++
- {
- auto k = factorycreate();
- string val = k.getValue();
- verifyValue("factorycreate", val);
- verifyCount(1, k);
- }
- // pass by shared_ptr
- {
- auto k = new Klass("me oh my");
- auto kret = smartpointertest(k);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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
- enforce(smartpointertest(k) is null, "return was not null");
- enforce(smartpointerpointertest(k) is null, "return was not null");
- enforce(smartpointerreftest(k) is null, "return was not null");
- enforce(smartpointerpointerreftest(k) is null, "return was not null");
- enforce(nullsmartpointerpointertest(null) == "null pointer",
- "not null smartpointer pointer");
- enforceThrows( (){ valuetest(k); }, "Failed to catch null pointer");
- enforce(pointertest(k) is null, "return was not null");
- enforceThrows( (){ reftest(k); }, "Failed to catch null pointer");
- }
- // $owner
- {
- auto k = pointerownertest();
- string val = k.getValue();
- verifyValue("pointerownertest", val);
- verifyCount(1, k);
- }
- {
- auto k = smartpointerpointerownertest();
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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);
- string 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");
- string 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;
- string 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;
- string 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;
- string 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;
- string 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;
- string 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;
- string 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
- enforceThrows( (){ m.MemberValue = null; }, "Failed to catch null pointer");
- }
- ////////////////////////////////// Global variables ////////////////////////////////////////
- // smart pointer
- {
- auto kglobal = GlobalSmartValue;
- enforce(kglobal is null, "expected null");
- auto k = new Klass("smart global value");
- GlobalSmartValue = k;
- verifyCount(2, k);
- kglobal = GlobalSmartValue;
- string 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;
- string val = kglobal.getValue();
- verifyValue("global value", val);
- verifyCount(1, kglobal);
- verifyCount(1, k);
- verifyValue("global value", GlobalValue.getValue());
- enforceThrows((){ GlobalValue = null; }, "Failed to catch null pointer");
- }
- // plain pointer
- {
- auto kglobal = GlobalPointer;
- enforce(kglobal is null, "expected null");
- auto k = new Klass("global pointer");
- GlobalPointer = k;
- verifyCount(1, k);
- kglobal = GlobalPointer;
- string 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;
- string val = kglobal.getValue();
- verifyValue("global reference", val);
- verifyCount(1, kglobal);
- verifyCount(1, k);
- enforceThrows((){ GlobalReference = null; }, "Failed to catch null pointer");
- }
- ////////////////////////////////// Templates ////////////////////////////////////////
- {
- auto pid = new PairIntDouble(10, 20.2);
- enforce(pid.baseVal1 == 20 && pid.baseVal2== 40.4, "Base values wrong");
- enforce(pid.val1 == 10 && pid.val2 == 20.2, "Derived Values wrong");
- }
- }
- private void verifyValue(string expected, string 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.
- auto got = use_count(k);
- if (expected != got)
- throw new Exception("verify use_count failed. Expected: " ~ to!string(expected) ~ " Got: " ~ to!string(got));
- }
- private void enforceThrows(void delegate() dg, string errorMessage) {
- bool hasThrown;
- try {
- dg();
- } catch (Exception) {
- hasThrown = true;
- } finally {
- if (!hasThrown) {
- throw new Exception(errorMessage);
- }
- }
- }