41 lines
829 B
C++
41 lines
829 B
C++
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#include "mem.h"
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#include <gtest/gtest.h>
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namespace {
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TEST(Mem, AllocLarge)
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{
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// Mebi prefix: https://en.wikipedia.org/wiki/Binary_prefix.
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constexpr uint32_t MI = 1024 * 1024;
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const Memory *mem = system_memory();
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void *ptr = mem_valloc(mem, 4, MI);
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EXPECT_NE(ptr, nullptr);
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mem_delete(mem, ptr);
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}
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TEST(Mem, AllocOverflow)
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{
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// Gibi prefix.
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constexpr uint32_t GI = 1024 * 1024 * 1024;
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const Memory *mem = system_memory();
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// 1 gibi-elements of 100 bytes each.
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void *ptr = mem_valloc(mem, GI, 100);
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EXPECT_EQ(ptr, nullptr);
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// 100 elements of 1 gibibyte each.
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ptr = mem_valloc(mem, 100, GI);
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EXPECT_EQ(ptr, nullptr);
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// 128 (a multiple of 2) elements of 1 gibibyte each.
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ptr = mem_valloc(mem, 128, GI);
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EXPECT_EQ(ptr, nullptr);
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}
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} // namespace
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