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Memory pool usage tracking + size optimization

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This commit is contained in:
Pavel Kirienko
2015-06-22 21:02:41 +03:00
parent ba2f7de9d8
commit e99120c257
4 changed files with 59 additions and 30 deletions
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libuavcan/test/dynamic_memory.cpp
+9
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@@ -9,6 +9,7 @@ TEST(DynamicMemory, Basic)
{
uavcan::PoolAllocator<128, 32> pool32;
EXPECT_EQ(4, pool32.getNumFreeBlocks());
EXPECT_EQ(0, pool32.getPeakNumUsedBlocks());
const void* ptr1 = pool32.allocate(16);
ASSERT_TRUE(ptr1);
EXPECT_EQ(1, pool32.getNumUsedBlocks());
@@ -16,6 +17,7 @@ TEST(DynamicMemory, Basic)
EXPECT_EQ(1, pool32.getNumUsedBlocks());
pool32.deallocate(ptr1);
EXPECT_EQ(0, pool32.getNumUsedBlocks());
EXPECT_EQ(1, pool32.getPeakNumUsedBlocks());
}
TEST(DynamicMemory, OutOfMemory)
@@ -24,18 +26,22 @@ TEST(DynamicMemory, OutOfMemory)
EXPECT_EQ(2, pool32.getNumFreeBlocks());
EXPECT_EQ(0, pool32.getNumUsedBlocks());
EXPECT_EQ(0, pool32.getPeakNumUsedBlocks());
const void* ptr1 = pool32.allocate(32);
ASSERT_TRUE(ptr1);
EXPECT_EQ(1, pool32.getNumUsedBlocks());
EXPECT_EQ(1, pool32.getPeakNumUsedBlocks());
const void* ptr2 = pool32.allocate(32);
ASSERT_TRUE(ptr2);
EXPECT_EQ(2, pool32.getNumUsedBlocks());
EXPECT_EQ(2, pool32.getPeakNumUsedBlocks());
ASSERT_FALSE(pool32.allocate(32)); // No free blocks left --> NULL
EXPECT_EQ(2, pool32.getNumUsedBlocks());
EXPECT_EQ(0, pool32.getNumFreeBlocks());
EXPECT_EQ(2, pool32.getPeakNumUsedBlocks());
}
TEST(DynamicMemory, LimitedPoolAllocator)
@@ -44,6 +50,7 @@ TEST(DynamicMemory, LimitedPoolAllocator)
uavcan::LimitedPoolAllocator lim(pool32, 2);
EXPECT_EQ(2, lim.getNumBlocks());
EXPECT_EQ(0, pool32.getPeakNumUsedBlocks());
const void* ptr1 = lim.allocate(1);
const void* ptr2 = lim.allocate(1);
@@ -62,4 +69,6 @@ TEST(DynamicMemory, LimitedPoolAllocator)
EXPECT_TRUE(ptr4);
EXPECT_TRUE(ptr5);
EXPECT_FALSE(ptr6);
EXPECT_EQ(2, pool32.getPeakNumUsedBlocks());
}