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65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/*
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Tests for the capabilities-based memory allocator.
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*/
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#include <esp_types.h>
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#include <stdio.h>
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#include "unity.h"
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#include "rom/ets_sys.h"
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#include "esp_heap_alloc_caps.h"
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#include <stdlib.h>
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TEST_CASE("Capabilities allocator test", "[esp32]")
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{
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char *m1, *m2[10];
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int x;
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size_t free8start, free32start, free8, free32;
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free8start=xPortGetFreeHeapSizeCaps(MALLOC_CAP_8BIT);
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free32start=xPortGetFreeHeapSizeCaps(MALLOC_CAP_32BIT);
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printf("Free 8bit-capable memory: %dK, 32-bit capable memory %dK\n", free8start, free32start);
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TEST_ASSERT(free32start>free8start);
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printf("Allocating 10K of 8-bit capable RAM\n");
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m1=pvPortMallocCaps(10*1024, MALLOC_CAP_8BIT);
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printf("--> %p\n", m1);
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free8=xPortGetFreeHeapSizeCaps(MALLOC_CAP_8BIT);
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free32=xPortGetFreeHeapSizeCaps(MALLOC_CAP_32BIT);
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printf("Free 8bit-capable memory: %dK, 32-bit capable memory %dK\n", free8, free32);
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//Both should have gone down by 10K; 8bit capable ram is also 32-bit capable
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TEST_ASSERT(free8<(free8start-10*1024));
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TEST_ASSERT(free32<(free32start-10*1024));
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//Assume we got DRAM back
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TEST_ASSERT((((int)m1)&0xFF000000)==0x3F000000);
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free(m1);
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printf("Freeing; allocating 10K of 32K-capable RAM\n");
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m1=pvPortMallocCaps(10*1024, MALLOC_CAP_32BIT);
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printf("--> %p\n", m1);
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free8=xPortGetFreeHeapSizeCaps(MALLOC_CAP_8BIT);
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free32=xPortGetFreeHeapSizeCaps(MALLOC_CAP_32BIT);
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printf("Free 8bit-capable memory: %dK, 32-bit capable memory %dK\n", free8, free32);
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//Only 32-bit should have gone down by 10K: 32-bit isn't necessarily 8bit capable
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TEST_ASSERT(free32<(free32start-10*1024));
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TEST_ASSERT(free8==free8start);
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//Assume we got IRAM back
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TEST_ASSERT((((int)m1)&0xFF000000)==0x40000000);
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free(m1);
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printf("Allocating impossible caps\n");
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m1=pvPortMallocCaps(10*1024, MALLOC_CAP_8BIT|MALLOC_CAP_EXEC);
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printf("--> %p\n", m1);
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TEST_ASSERT(m1==NULL);
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printf("Testing changeover iram -> dram");
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for (x=0; x<10; x++) {
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m2[x]=pvPortMallocCaps(10*1024, MALLOC_CAP_32BIT);
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printf("--> %p\n", m2[x]);
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}
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TEST_ASSERT((((int)m2[0])&0xFF000000)==0x40000000);
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TEST_ASSERT((((int)m2[9])&0xFF000000)==0x3F000000);
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printf("Test if allocating executable code still gives IRAM, even with dedicated IRAM region depleted\n");
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m1=pvPortMallocCaps(10*1024, MALLOC_CAP_EXEC);
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printf("--> %p\n", m1);
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TEST_ASSERT((((int)m1)&0xFF000000)==0x40000000);
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free(m1);
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for (x=0; x<10; x++) free(m2[x]);
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printf("Done.\n");
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}
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