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72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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/*
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Generic test for realloc
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "unity.h"
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#include "sdkconfig.h"
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#include "esp_heap_caps.h"
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#include "soc/soc_memory_layout.h"
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#ifndef CONFIG_HEAP_POISONING_COMPREHENSIVE
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/* (can't realloc in place if comprehensive is enabled) */
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TEST_CASE("realloc shrink buffer in place", "[heap]")
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{
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// pointers converted to int to avoid warning -Wuse-after-free
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int x = (int) malloc(64);
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TEST_ASSERT(x);
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int y = (int) realloc((void *) x, 48);
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TEST_ASSERT_EQUAL_UINT32((uint32_t) x, (uint32_t) y);
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}
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#endif
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#ifndef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
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TEST_CASE("realloc shrink buffer with EXEC CAPS", "[heap]")
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{
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const size_t buffer_size = 64;
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void *x = heap_caps_malloc(buffer_size, MALLOC_CAP_EXEC);
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TEST_ASSERT(x);
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void *y = heap_caps_realloc(x, buffer_size - 16, MALLOC_CAP_EXEC);
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TEST_ASSERT(y);
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//y needs to fall in a compatible memory area of IRAM:
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TEST_ASSERT(esp_ptr_executable(y)|| esp_ptr_in_iram(y) || esp_ptr_in_diram_iram(y));
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free(y);
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}
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TEST_CASE("realloc move data to a new heap type", "[heap]")
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{
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const char *test = "I am some test content to put in the heap";
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char buf[64];
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memset(buf, 0xEE, 64);
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strlcpy(buf, test, 64);
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char *a = malloc(64);
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memcpy(a, buf, 64);
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// move data from 'a' to IRAM
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char *b = heap_caps_realloc(a, 64, MALLOC_CAP_EXEC);
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TEST_ASSERT_NOT_NULL(b);
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TEST_ASSERT(heap_caps_check_integrity(MALLOC_CAP_INVALID, true));
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TEST_ASSERT_EQUAL_HEX32_ARRAY(buf, b, 64 / sizeof(uint32_t));
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// Move data back to DRAM
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char *c = heap_caps_realloc(b, 48, MALLOC_CAP_8BIT);
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TEST_ASSERT_NOT_NULL(c);
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TEST_ASSERT(heap_caps_check_integrity(MALLOC_CAP_INVALID, true));
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TEST_ASSERT_EQUAL_HEX8_ARRAY(buf, c, 48);
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free(c);
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}
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#endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
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