35 lines
780 B
C++
35 lines
780 B
C++
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#include "catch.hpp"
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#include <osmium/util/memory.hpp>
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TEST_CASE("Check memory usage") {
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#ifdef __linux__
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const int size_in_mbytes = 10;
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osmium::MemoryUsage m1;
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REQUIRE(m1.current() > 1);
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REQUIRE(m1.peak() > 1);
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{
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std::vector<int> v;
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v.reserve(size_in_mbytes * 1024 * 1024);
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osmium::MemoryUsage m2;
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REQUIRE(m2.current() >= m1.current() + size_in_mbytes);
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REQUIRE(m2.peak() >= m1.peak() + size_in_mbytes);
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REQUIRE(m2.peak() - m2.current() <= 1);
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}
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osmium::MemoryUsage m3;
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REQUIRE(m3.current() > 1);
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REQUIRE(m3.current() < m3.peak());
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REQUIRE(m3.peak() >= m1.peak() + size_in_mbytes);
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#else
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osmium::MemoryUsage m;
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REQUIRE(m.current() == 0);
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REQUIRE(m.peak() == 0);
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#endif
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}
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