123 lines
3.6 KiB
D
123 lines
3.6 KiB
D
module cpp11_std_unique_ptr_runme;
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import cpp11_std_unique_ptr.cpp11_std_unique_ptr;
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import cpp11_std_unique_ptr.Klass;
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import cpp11_std_unique_ptr.KlassInheritance;
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import std.conv;
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import std.algorithm;
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void checkCount(int expected_count) {
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int actual_count = Klass.getTotal_count();
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if (actual_count != expected_count)
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throw new Exception("Counts incorrect, expected:" ~ to!string(expected_count) ~ " actual:" ~ to!string(actual_count));
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}
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void main() {
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// Test raw pointer handling involving virtual inheritance
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{
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scope KlassInheritance kini = new KlassInheritance("KlassInheritanceInput");
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checkCount(1);
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string s = useKlassRawPtr(kini);
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if (s != "KlassInheritanceInput")
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throw new Exception("Incorrect string: " ~ s);
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}
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checkCount(0);
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// unique_ptr as input
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{
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scope Klass kin = new Klass("KlassInput");
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checkCount(1);
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string s = takeKlassUniquePtr(kin);
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checkCount(0);
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if (s != "KlassInput")
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throw new Exception("Incorrect string: " ~ s);
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if (!is_nullptr(kin))
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throw new Exception("is_nullptr failed");
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} // dispose should not fail, even though already deleted
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checkCount(0);
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{
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scope Klass kin = new Klass("KlassInput");
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checkCount(1);
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string s = takeKlassUniquePtr(kin);
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checkCount(0);
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if (s != "KlassInput")
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throw new Exception("Incorrect string: " ~ s);
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if (!is_nullptr(kin))
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throw new Exception("is_nullptr failed");
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bool exception_thrown = false;
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try {
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takeKlassUniquePtr(kin);
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} catch (Exception e) {
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if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
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throw new Exception("incorrect exception message: " ~ e.msg);
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exception_thrown = true;
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}
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if (!exception_thrown)
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throw new Exception("double usage of takeKlassUniquePtr should have been an error");
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} // dispose should not fail, even though already deleted
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checkCount(0);
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{
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scope Klass kin = new Klass("KlassInput");
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bool exception_thrown = false;
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Klass notowned = get_not_owned_ptr(kin);
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try {
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takeKlassUniquePtr(notowned);
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} catch (Exception e) {
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if (!canFind(e.msg, "Cannot release ownership as memory is not owned"))
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throw new Exception("incorrect exception message: " ~ e.msg);
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exception_thrown = true;
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}
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if (!exception_thrown)
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throw new Exception("Should have thrown 'Cannot release ownership as memory is not owned' error");
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checkCount(1);
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}
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checkCount(0);
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{
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scope KlassInheritance kini = new KlassInheritance("KlassInheritanceInput");
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checkCount(1);
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string s = takeKlassUniquePtr(kini);
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checkCount(0);
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if (s != "KlassInheritanceInput")
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throw new Exception("Incorrect string: " ~ s);
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if (!is_nullptr(kini))
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throw new Exception("is_nullptr failed");
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} // dispose should not fail, even though already deleted
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checkCount(0);
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takeKlassUniquePtr(null);
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takeKlassUniquePtr(make_null());
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checkCount(0);
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// overloaded parameters
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if (overloadTest() != 0)
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throw new Exception("overloadTest failed");
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if (overloadTest(null) != 1)
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throw new Exception("overloadTest failed");
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if (overloadTest(new Klass("over")) != 1)
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throw new Exception("overloadTest failed");
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checkCount(0);
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// unique_ptr as output
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Klass k1 = makeKlassUniquePtr("first");
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if (k1.getLabel() != "first")
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throw new Exception("wrong object label");
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Klass k2 = makeKlassUniquePtr("second");
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checkCount(2);
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k1.dispose();
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checkCount(1);
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if (k2.getLabel() != "second")
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throw new Exception("wrong object label");
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k2.dispose();
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checkCount(0);
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if (makeNullUniquePtr() !is null)
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throw new Exception("null failure");
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}
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