Add small testcase

diff --git a/components/freertos/test/test_malloc.c b/components/freertos/test/test_malloc.c
new file mode 100644 (file)
index 0000000..d7f1464
--- /dev/null
+++ b/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);
+}
+