Revision 419, 0.8 kB
(checked in by vbarta, 15 years ago)
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added basic smart pointer
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[419] | 1 | #include "shared_ptr.h" |
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| 2 | #include "UnitTest++.h" |
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| 3 | #include <vector> |
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| 4 | |
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| 5 | class Foo |
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| 6 | { |
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| 7 | private: |
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| 8 | int x; |
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| 9 | |
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| 10 | public: |
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| 11 | Foo(int x):x(x) { } |
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| 12 | |
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| 13 | int get_x() const { return x; } |
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| 14 | |
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| 15 | void set_x(int nx) { x = nx; } |
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| 16 | }; |
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| 17 | |
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| 18 | typedef std::vector<bdm::shared_ptr<Foo> > TFooVector; |
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| 19 | |
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| 20 | TEST(test_shared_ptr) |
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| 21 | { |
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| 22 | TFooVector v; |
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| 23 | |
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| 24 | bdm::shared_ptr<Foo> zero; |
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| 25 | CHECK_EQUAL(0l, zero.use_count()); |
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| 26 | |
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| 27 | bdm::shared_ptr<Foo> one(new Foo(1)); |
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| 28 | v.push_back(one); |
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| 29 | CHECK(!one.unique()); |
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| 30 | |
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| 31 | v.push_back(one); |
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| 32 | v.push_back(bdm::shared_ptr<Foo>(new Foo(2))); |
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| 33 | CHECK_EQUAL(static_cast<TFooVector::size_type>(3), v.size()); |
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| 34 | |
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| 35 | Foo c(*(v[0])); |
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| 36 | CHECK_EQUAL(1, c.get_x()); |
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| 37 | |
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| 38 | Foo *p = v[1].get(); |
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| 39 | CHECK_EQUAL(1, p->get_x()); |
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| 40 | p->set_x(12); |
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| 41 | CHECK_EQUAL(12, one->get_x()); |
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| 42 | |
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| 43 | CHECK(v[2].unique()); |
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| 44 | CHECK_EQUAL(2, v[2]->get_x()); |
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| 45 | } |
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