completely automatic malloc inclusion in emcc

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/hello_malloc.cpp b/tests/hello_malloc.cpp
new file mode 100644
index 00000000..d3774f70
--- /dev/null
+++ b/tests/hello_malloc.cpp
@@ -0,0 +1,18 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<assert.h>
+
+int main() {
+  // Check that a real malloc is used by allocating, freeing, then seeing that we did actually free by a new allocation going to the original place
+  int N = 100;
+  void *allocs[N];
+  for (int i = 0; i < N; i++)
+    allocs[i] = malloc((i+1)*1024);
+  for (int i = 0; i < N; i++)
+    free(allocs[i]);
+  void *another = malloc(1024);
+  assert(another == allocs[0]);
+  printf("hello, world!\n");
+  return 1;
+}
+