5361c08989
To facilitate this, the list of registered heap regions is now a linked list (allowing entries to be appended at runtime.)
47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/*
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Tests for registering new heap memory at runtime
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*/
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#include <stdio.h>
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#include "unity.h"
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#include "esp_heap_caps_init.h"
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#include "esp_system.h"
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#include <stdlib.h>
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/* NOTE: This is not a well-formed unit test, it leaks memory */
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TEST_CASE("Allocate new heap at runtime", "[heap][ignore]")
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{
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const size_t BUF_SZ = 1000;
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const size_t HEAP_OVERHEAD_MAX = 200;
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void *buffer = malloc(BUF_SZ);
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TEST_ASSERT_NOT_NULL(buffer);
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uint32_t before_free = esp_get_free_heap_size();
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TEST_ESP_OK( heap_caps_add_region((intptr_t)buffer, (intptr_t)buffer + BUF_SZ) );
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uint32_t after_free = esp_get_free_heap_size();
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printf("Before %u after %u\n", before_free, after_free);
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/* allow for some 'heap overhead' from accounting structures */
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TEST_ASSERT(after_free > before_free + BUF_SZ - HEAP_OVERHEAD_MAX);
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}
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/* NOTE: This is not a well-formed unit test, it leaks memory and
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may fail if run twice in a row without a reset.
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*/
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TEST_CASE("Allocate new heap with new capability", "[heap][ignore]")
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{
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const size_t BUF_SZ = 100;
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const size_t ALLOC_SZ = 64; // More than half of BUF_SZ
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const uint32_t MALLOC_CAP_INVENTED = (1<<30); /* this must be unused in esp_heap_caps.h */
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/* no memory exists to provide this capability */
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TEST_ASSERT_NULL( heap_caps_malloc(ALLOC_SZ, MALLOC_CAP_INVENTED) );
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void *buffer = malloc(BUF_SZ);
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TEST_ASSERT_NOT_NULL(buffer);
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uint32_t caps[SOC_MEMORY_TYPE_NO_PRIOS] = { MALLOC_CAP_INVENTED };
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TEST_ESP_OK( heap_caps_add_region_with_caps(caps, (intptr_t)buffer, (intptr_t)buffer + BUF_SZ) );
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/* ta-da, it's now possible! */
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TEST_ASSERT_NOT_NULL( heap_caps_malloc(ALLOC_SZ, MALLOC_CAP_INVENTED) );
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}
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