66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
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// CopyBlocks.cpp
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// Implements the test for cChunkData::CopyBlockTypes() range copying
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#include "Globals.h"
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#include "ChunkData.h"
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int main(int argc, char ** argv)
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{
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// Set up a cChunkData with known contents - all blocks 0x01, all metas 0x02:
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cChunkData Data;
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cChunkDef::BlockTypes BlockTypes;
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cChunkDef::BlockNibbles BlockMetas;
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memset(BlockTypes, 0x01, sizeof(BlockTypes));
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memset(BlockMetas, 0x02, sizeof(BlockMetas));
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Data.SetBlockTypes(BlockTypes);
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Data.SetMetas(BlockMetas);
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// Try to read varying amounts of blocktypes from the cChunkData.
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// Verify that the exact amount of memory is copied, by copying to a larger buffer and checking its boundaries
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BLOCKTYPE TestBuffer[5 * cChunkDef::NumBlocks];
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size_t WritePosIdx = 2 * cChunkDef::NumBlocks;
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BLOCKTYPE * WritePosition = &TestBuffer[WritePosIdx];
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memset(TestBuffer, 0x03, sizeof(TestBuffer));
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for (size_t idx = 0; idx < 5000; idx++)
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{
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for (size_t len = 1; len < 1000; len += 15)
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{
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printf("Testing copying %u blocks from index %u\n", (unsigned)len, (unsigned)idx);
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Data.CopyBlockTypes(WritePosition, idx, len);
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// Verify the data copied:
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for (size_t i = 0; i < len; i++)
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{
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assert_test(WritePosition[i] == 0x01);
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}
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// Verify the space before the copied data hasn't been changed:
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for (size_t i = 0; i < WritePosIdx + idx; i++)
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{
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assert_test(TestBuffer[i] == 0x03);
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}
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// Verify the space after the copied data hasn't been changed:
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for (size_t i = WritePosIdx + idx + len; i < ARRAYCOUNT(TestBuffer); i++)
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{
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assert_test(TestBuffer[i] == 0x03);
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}
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}
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} // for idx
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return 0;
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}
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