Moved tests + Added more tests + Added memory testing to actions

tests/ev_str/stack_global_heap.c

@@ -0,0 +1,26 @@
+#define EV_STR_IMPLEMENTATION
+#include "ev_str.h"
+
+#include <assert.h>
+#include <string.h>
+
+static evstring global_str = evstr("Global 'Hello, World!'");
+
+int main(void)
+{
+  const evstring stack_str = evstr("Stack 'Hello, World!'");
+  assert(strcmp(stack_str, "Stack 'Hello, World!'") == 0);
+  assert(evstring_getLength(stack_str) == 21);
+
+  assert(strcmp(global_str, "Global 'Hello, World!'") == 0);
+  assert(evstring_getLength(global_str) == 22);
+
+  evstring heap_str = evstring_new("Heap 'Hello, World!'");
+  assert(heap_str != NULL);
+  assert(strcmp(heap_str, "Heap 'Hello, World!'") == 0);
+  assert(evstring_getLength(heap_str) == 20);
+
+  evstring_free(heap_str);
+
+  return 0;
+}