tests/mem_growth.cpp

#include <emscripten/emmalloc.h>
#include <stdio.h>
#include <emscripten/html5.h>
#include <emscripten/heap.h>

size_t prevheapsize = 0;
EM_BOOL tick(double time, void *userData)
{
	size_t heap_size = emscripten_get_heap_size();
	if (prevheapsize != heap_size)
		printf("Heap size: %llu\n", (unsigned long long) heap_size);
	prevheapsize = heap_size;
	void *ptr = malloc(16*1024*1024);
	if (!ptr)
	{
		printf("Cannot malloc anymore. Final heap size: %llu\n", (unsigned long long)emscripten_get_heap_size());
#ifdef REPORT_RESULT
		REPORT_RESULT(emscripten_get_heap_size());
#endif
	}
	return !!ptr;
}

int main()
{
	emscripten_request_animation_frame_loop(tick, 0);
}