heap: migrate unit tests to pytest

components/heap/test_apps/main/test_realloc.c

@@ -0,0 +1,73 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Unlicense OR CC0-1.0
+ */
+/*
+ Generic test for realloc
+*/
+
+#include <stdlib.h>
+#include <string.h>
+#include "unity.h"
+#include "sdkconfig.h"
+#include "esp_heap_caps.h"
+#include "soc/soc_memory_layout.h"
+
+
+#ifndef CONFIG_HEAP_POISONING_COMPREHENSIVE
+/* (can't realloc in place if comprehensive is enabled) */
+
+TEST_CASE("realloc shrink buffer in place", "[heap]")
+{
+    void *x = malloc(64);
+    TEST_ASSERT(x);
+    void *y = realloc(x, 48);
+    TEST_ASSERT_EQUAL_PTR(x, y);
+}
+
+#endif
+
+#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)
+//IDF-5167
+#ifndef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
+TEST_CASE("realloc shrink buffer with EXEC CAPS", "[heap]")
+{
+    const size_t buffer_size = 64;
+
+    void *x = heap_caps_malloc(buffer_size, MALLOC_CAP_EXEC);
+    TEST_ASSERT(x);
+    void *y = heap_caps_realloc(x, buffer_size - 16, MALLOC_CAP_EXEC);
+    TEST_ASSERT(y);
+
+    //y needs to fall in a compatible memory area of IRAM:
+    TEST_ASSERT(esp_ptr_executable(y)|| esp_ptr_in_iram(y) || esp_ptr_in_diram_iram(y));
+
+    free(y);
+}
+
+TEST_CASE("realloc move data to a new heap type", "[heap]")
+{
+    const char *test = "I am some test content to put in the heap";
+    char buf[64];
+    memset(buf, 0xEE, 64);
+    strlcpy(buf, test, 64);
+
+    char *a = malloc(64);
+    memcpy(a, buf, 64);
+    // move data from 'a' to IRAM
+    char *b = heap_caps_realloc(a, 64, MALLOC_CAP_EXEC);
+    TEST_ASSERT_NOT_NULL(b);
+    TEST_ASSERT(heap_caps_check_integrity(MALLOC_CAP_INVALID, true));
+    TEST_ASSERT_EQUAL_HEX32_ARRAY(buf, b, 64 / sizeof(uint32_t));
+
+    // Move data back to DRAM
+    char *c = heap_caps_realloc(b, 48, MALLOC_CAP_8BIT);
+    TEST_ASSERT_NOT_NULL(c);
+    TEST_ASSERT(heap_caps_check_integrity(MALLOC_CAP_INVALID, true));
+    TEST_ASSERT_EQUAL_HEX8_ARRAY(buf, c, 48);
+
+    free(c);
+}
+#endif // CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
+#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32C2)