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Fix large allocation tests for mimir::Region
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This commit is contained in:
Kearwood Gilbert
2026-09-09 23:32:05 -07:00
parent 90513a431d
commit 823c28d38d
1 changed files with 17 additions and 9 deletions
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26
tests/region_test.cpp
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@@ -33,14 +33,22 @@ TEST(Region, TooBig)
{ {
mimir::init(); mimir::init();
mimir::Region region; mimir::Region region;
EXPECT_FALSE(region.init(1 << 44ULL)); // Attempt to allocate 16TB of pages EXPECT_FALSE(region.init(1ULL << 50)); // Attempt to reserve too many pages
}
TEST(Region, OutOfMemory)
{
mimir::init();
mimir::Region region;
EXPECT_TRUE(region.init(1ULL << 46)); // Attempt to reserve 64TB of pages
EXPECT_FALSE(region.resize(1ULL << 45)); // Attempt to commit 32TB of pages (Assuming we don't have 32TB of ram!)
} }
TEST(Region, Min1GB) TEST(Region, Min1GB)
{ {
mimir::init(); mimir::init();
mimir::Region region; mimir::Region region;
EXPECT_TRUE(region.init(1 << 30ULL)); // Allocate 1GB of pages EXPECT_TRUE(region.init(1ULL << 30)); // Allocate 1GB of pages
} }
TEST(Region, Resizing) TEST(Region, Resizing)
@@ -55,11 +63,11 @@ TEST(Region, Resizing)
EXPECT_TRUE(region.resize(0)); EXPECT_TRUE(region.resize(0));
EXPECT_EQ(region.getSize(), 0); EXPECT_EQ(region.getSize(), 0);
EXPECT_TRUE(region.resize(1 << 4ULL)); EXPECT_TRUE(region.resize(1ULL << 4));
EXPECT_TRUE(region.resize(1 << 10ULL)); EXPECT_TRUE(region.resize(1ULL << 10));
EXPECT_TRUE(region.resize(1 << 5ULL)); EXPECT_TRUE(region.resize(1ULL << 5));
EXPECT_TRUE(region.resize(1 << 0ULL)); EXPECT_TRUE(region.resize(1ULL << 0));
EXPECT_TRUE(region.resize(1 << 9ULL)); EXPECT_TRUE(region.resize(1ULL << 9));
} }
TEST(Region, OverSized) TEST(Region, OverSized)
@@ -67,10 +75,10 @@ TEST(Region, OverSized)
mimir::init(); mimir::init();
mimir::Region region; mimir::Region region;
EXPECT_TRUE(region.resize(1 << 4ULL)); EXPECT_TRUE(region.resize(1ULL << 4));
size_t prevSize = region.getSize(); size_t prevSize = region.getSize();
EXPECT_FALSE(region.resize(1 << 20ULL)); EXPECT_FALSE(region.resize(1ULL << 20));
EXPECT_EQ(region.getSize(), prevSize); EXPECT_EQ(region.getSize(), prevSize);
} }