Add small testcase

components/freertos/test/test_malloc.c

@@ -0,0 +1,49 @@
+/*
+ Test for multicore FreeRTOS. This test spins up threads, fiddles with queues etc.
+*/
+
+#include <esp_types.h>
+#include <stdio.h>
+#include "rom/ets_sys.h"
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+#include "freertos/queue.h"
+#include "freertos/xtensa_api.h"
+#include "unity.h"
+#include "soc/uart_reg.h"
+#include "soc/dport_reg.h"
+#include "soc/io_mux_reg.h"
+
+static int tryAllocMem() {
+	int **mem;
+	int i, noAllocated, j;
+	mem=malloc(sizeof(int)*1024);
+	if (!mem) return 0;
+	for (i=0; i<1024; i++) {
+		mem[i]=malloc(1024);
+		if (mem[i]==NULL) break;
+		for (j=0; j<1024/4; j++) mem[i][j]=(0xdeadbeef);
+	}
+	noAllocated=i;
+	for (i=0; i<noAllocated; i++) {
+		for (j=0; j<1024/4; j++) {
+			TEST_ASSERT(mem[i][j]==(0xdeadbeef));
+		}
+		free(mem[i]);
+	}
+	free(mem);
+	return noAllocated;
+}
+
+
+TEST_CASE("Malloc/overwrite, then free all available DRAM", "[freertos]")
+{
+	int m1=0, m2=0;
+	m1=tryAllocMem();
+	m2=tryAllocMem();
+	printf("Could allocate %dK on first try, %dK on 2nd try.\n", m1, m2);
+	TEST_ASSERT(m1==m2);
+}
+