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Add more unit tests for mimir::Region
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This commit is contained in:
Kearwood Gilbert
2026-09-09 23:16:01 -07:00
parent 1c8e5ba5e5
commit 90513a431d
2 changed files with 48 additions and 10 deletions
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4
tests/CMakeLists.txt
View File

@@ -8,10 +8,10 @@ FetchContent_Declare(
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(googletest)
# ----====---- End: GoogleTest ----====---
enable_testing()
# ----====---- End: GoogleTest ----====---
add_executable(
mimir_test
"region_test.cpp"

54
tests/region_test.cpp
View File

@@ -1,6 +1,8 @@
#include <gtest/gtest.h>
#include "mimir.h"
namespace mimir_tests {
void writeData(std::byte* dest, size_t count, int seed)
{
for (int i = 0; i < count; i++) {
@@ -18,7 +20,8 @@ bool checkData(std::byte* src, size_t count, int seed)
return true;
}
TEST(Mimir_Region, Uninitialized) {
TEST(Region, InitialState)
{
mimir::init();
mimir::Region region;
EXPECT_TRUE(region.getAddress() == nullptr);
@@ -26,7 +29,21 @@ TEST(Mimir_Region, Uninitialized) {
EXPECT_TRUE(region.getSize() == 0);
}
TEST(Mimir_Region, Resizing)
TEST(Region, TooBig)
{
mimir::init();
mimir::Region region;
EXPECT_FALSE(region.init(1 << 44ULL)); // Attempt to allocate 16TB of pages
}
TEST(Region, Min1GB)
{
mimir::init();
mimir::Region region;
EXPECT_TRUE(region.init(1 << 30ULL)); // Allocate 1GB of pages
}
TEST(Region, Resizing)
{
mimir::init();
mimir::Region region;
@@ -37,8 +54,32 @@ TEST(Mimir_Region, Resizing)
EXPECT_EQ(region.getSize(), 0);
EXPECT_TRUE(region.resize(0));
EXPECT_EQ(region.getSize(), 0);
EXPECT_TRUE(region.resize(1 << 4ULL));
EXPECT_TRUE(region.resize(1 << 10ULL));
EXPECT_TRUE(region.resize(1 << 5ULL));
EXPECT_TRUE(region.resize(1 << 0ULL));
EXPECT_TRUE(region.resize(1 << 9ULL));
}
TEST(Region, OverSized)
{
mimir::init();
mimir::Region region;
EXPECT_TRUE(region.resize(1 << 4ULL));
size_t prevSize = region.getSize();
EXPECT_FALSE(region.resize(1 << 20ULL));
EXPECT_EQ(region.getSize(), 0);
EXPECT_EQ(region.getSize(), prevSize);
}
TEST(Region, WriteData)
{
mimir::init();
mimir::Region region;
EXPECT_TRUE(region.init());
EXPECT_TRUE(region.resize(100));
EXPECT_GE(region.getSize(), 100);
writeData(region.getAddress(), 100, 1);
@@ -47,9 +88,6 @@ TEST(Mimir_Region, Resizing)
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));
}
}; // namespace mimir_tests