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https://github.com/espressif/esp-idf.git
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90bbcbcdc0
- libsodium: silence warnings - unit tests: fix warnings - spiram: fix warnings - ringbuf test: enable by default, reduce delays
126 lines
3.0 KiB
C
126 lines
3.0 KiB
C
/*
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Generic test for heap tracing support
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Only compiled in if CONFIG_HEAP_TRACING is set
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*/
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#include <esp_types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sdkconfig.h"
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#include "unity.h"
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#ifdef CONFIG_HEAP_TRACING
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// only compile in heap tracing tests if tracing is enabled
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#include "esp_heap_trace.h"
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TEST_CASE("heap trace leak check", "[heap]")
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{
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heap_trace_record_t recs[8];
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heap_trace_init_standalone(recs, 8);
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printf("Leak check test\n"); // Print something before trace starts, or stdout allocations skew total counts
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fflush(stdout);
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heap_trace_start(HEAP_TRACE_LEAKS);
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void *a = malloc(64);
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memset(a, '3', 64);
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void *b = malloc(96);
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memset(b, '4', 11);
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printf("a.address %p vs %p b.address %p vs %p\n", a, recs[0].address, b, recs[1].address);
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heap_trace_dump();
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TEST_ASSERT_EQUAL(2, heap_trace_get_count());
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heap_trace_record_t trace_a, trace_b;
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heap_trace_get(0, &trace_a);
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heap_trace_get(1, &trace_b);
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printf("trace_a.address %p trace_bb.address %p\n", trace_a.address, trace_b.address);
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TEST_ASSERT_EQUAL_PTR(a, trace_a.address);
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TEST_ASSERT_EQUAL_PTR(b, trace_b.address);
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TEST_ASSERT_EQUAL_PTR(recs[0].address, trace_a.address);
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TEST_ASSERT_EQUAL_PTR(recs[1].address, trace_b.address);
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free(a);
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TEST_ASSERT_EQUAL(1, heap_trace_get_count());
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heap_trace_get(0, &trace_b);
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TEST_ASSERT_EQUAL_PTR(b, trace_b.address);
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/* buffer deletes trace_a when freed,
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so trace_b at head of buffer */
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TEST_ASSERT_EQUAL_PTR(recs[0].address, trace_b.address);
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heap_trace_stop();
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}
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TEST_CASE("heap trace wrapped buffer check", "[heap]")
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{
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const size_t N = 8;
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heap_trace_record_t recs[N];
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heap_trace_init_standalone(recs, N);
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heap_trace_start(HEAP_TRACE_LEAKS);
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void *ptrs[N+1];
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for (int i = 0; i < N+1; i++) {
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ptrs[i] = malloc(i*3);
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}
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// becuase other mallocs happen as part of this control flow,
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// we can't guarantee N entries of ptrs[] are in the heap check buffer.
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// but we should guarantee at least the last one is
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bool saw_last_ptr = false;
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for (int i = 0; i < N; i++) {
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heap_trace_record_t rec;
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heap_trace_get(i, &rec);
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if (rec.address == ptrs[N-1]) {
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saw_last_ptr = true;
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}
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}
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TEST_ASSERT(saw_last_ptr);
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void *other = malloc(6);
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heap_trace_dump();
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for (int i = 0; i < N+1; i++) {
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free(ptrs[i]);
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}
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heap_trace_dump();
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bool saw_other = false;
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for (int i = 0; i < heap_trace_get_count(); i++) {
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heap_trace_record_t rec;
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heap_trace_get(i, &rec);
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// none of ptr[]s should be in the heap trace any more
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for (int j = 0; j < N+1; j++) {
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TEST_ASSERT_NOT_EQUAL(ptrs[j], rec.address);
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}
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if (rec.address == other) {
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saw_other = true;
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}
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}
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// 'other' pointer should be somewhere in the leak dump
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TEST_ASSERT(saw_other);
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heap_trace_stop();
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}
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#endif
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