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Add unit tests for mimir::Region
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This commit is contained in:
Kearwood Gilbert
2026-09-09 22:42:07 -07:00
parent 35b48891ab
commit 1c8e5ba5e5
3 changed files with 85 additions and 0 deletions
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55
tests/region_test.cpp Normal file
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#include <gtest/gtest.h>
#include "mimir.h"
void writeData(std::byte* dest, size_t count, int seed)
{
for (int i = 0; i < count; i++) {
dest[i] = std::byte((seed * 3162 + i * 63163) % 0xff);
}
}
bool checkData(std::byte* src, size_t count, int seed)
{
for (int i = 0; i < count; i++) {
if (src[i] != std::byte((seed * 3162 + i * 63163) % 0xff)) {
return false;
}
}
return true;
}
TEST(Mimir_Region, Uninitialized) {
mimir::init();
mimir::Region region;
EXPECT_TRUE(region.getAddress() == nullptr);
EXPECT_TRUE(region.getMaxSize() == 0);
EXPECT_TRUE(region.getSize() == 0);
}
TEST(Mimir_Region, Resizing)
{
mimir::init();
mimir::Region region;
EXPECT_TRUE(region.init(1 << 10ULL));
EXPECT_NE(region.getAddress(), nullptr);
EXPECT_GT(region.getMaxSize(), 0);
EXPECT_EQ(region.getSize(), 0);
EXPECT_TRUE(region.resize(0));
EXPECT_EQ(region.getSize(), 0);
EXPECT_FALSE(region.resize(1 << 20ULL));
EXPECT_EQ(region.getSize(), 0);
EXPECT_TRUE(region.resize(100));
EXPECT_GE(region.getSize(), 100);
writeData(region.getAddress(), 100, 1);
EXPECT_TRUE(checkData(region.getAddress(), 100, 1));
EXPECT_TRUE(region.resize(1 << 9ULL));
writeData(region.getAddress() + 100, 900, 2);
EXPECT_TRUE(checkData(region.getAddress(), 100, 1));
EXPECT_TRUE(checkData(region.getAddress() + 100, 900, 2));
EXPECT_TRUE(region.resize(1 << 10ULL));
EXPECT_TRUE(region.resize(1 << 5ULL));
EXPECT_TRUE(region.resize(1 << 0ULL));
EXPECT_TRUE(region.resize(1 << 9ULL));
}