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65 lines
1.6 KiB
65 lines
1.6 KiB
2 years ago
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#include <medusa/bits/utils/memutils.hpp>
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#include "gtest/gtest.h"
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namespace mm {
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//! [deep_copy_unique_ptr def]
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class A {
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int a;
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public:
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A(int a) : a(a) {}
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virtual ~A() = default;
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virtual int f() { return a; }
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virtual A* clone() const { return new A(*this); }
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};
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class B : public A {
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int b;
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public:
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B(int a, int b) : A(a), b(b) {}
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int f() override { return b; }
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B* clone() const override { return new B(*this); }
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};
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//! [deep_copy_unique_ptr def]
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TEST(Utils, MemDeep_copy_unique_ptr) {
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//! [deep_copy_unique_ptr usage]
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deep_copy_unique_ptr<A> pa(new A(3));
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deep_copy_unique_ptr<A> pb(new B(1, 2));
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EXPECT_EQ(3, pa->f());
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EXPECT_EQ(2, pb->f());
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deep_copy_unique_ptr<A> pc = pb;
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EXPECT_EQ(2, pc->f());
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pb.reset(nullptr);
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EXPECT_EQ(2, pc->f());
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pa = deep_copy_unique_ptr<A>(*pc);
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EXPECT_EQ(2, pa->f());
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pa = deep_copy_unique_ptr<A>(static_cast<A>(*pc));
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EXPECT_EQ(1, pa->f());
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pb = pc;
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EXPECT_EQ(2, pb->f());
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pb = B(7, 5);
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EXPECT_EQ(5, pb->f());
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pb = std::move(pc);
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EXPECT_EQ(2, pb->f());
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deep_copy_unique_ptr<A> pd(std::move(pb));
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EXPECT_EQ(2, pd->f());
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//! [deep_copy_unique_ptr usage]
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}
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TEST(Utils, MemMem2str) {
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EXPECT_EQ("16 B", mem2str(16));
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EXPECT_EQ("1.6 kB", mem2str(1600));
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EXPECT_EQ("1.7 kB", mem2str(1682));
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EXPECT_EQ("1 MB", mem2str(1024 * 1024));
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EXPECT_EQ("5.9 GB", mem2str(static_cast<size_t>(5.5 * 1024 * 1024 * 1024)));
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EXPECT_EQ("5.6 GB", mem2str(static_cast<size_t>(5.6 * 1000 * 1000 * 1000)));
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}
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} // namespace mm
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