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

tests/ev_str/push_variants.c

@@ -0,0 +1,29 @@
+#define EV_STR_IMPLEMENTATION
+#include "ev_str.h"
+
+#include <assert.h>
+#include <string.h>
+
+int main(void)
+{
+  evstring heap_str = evstring_new("Heap 'Hello, World!'");
+  assert(heap_str != NULL);
+
+  evstring_error_t push_str_res = evstring_push(&heap_str, "Hello, Sisyphus! %f", 0.001f);
+  assert(push_str_res == EV_STR_ERR_NONE);
+  assert(strcmp(heap_str, "Heap 'Hello, World!'Hello, Sisyphus! 0.001000") == 0);
+
+  evstring_error_t push_char_res = evstring_push(&heap_str, (char)'X');
+  assert(push_char_res == EV_STR_ERR_NONE);
+  assert(strcmp(heap_str, "Heap 'Hello, World!'Hello, Sisyphus! 0.001000X") == 0);
+
+  evstring source = evstr("Stack 'Hello, World!'");
+  evstring_view view = evstring_slice(source, 0, -1);
+  evstring_error_t push_view_res = evstring_push(&heap_str, view);
+  assert(push_view_res == EV_STR_ERR_NONE);
+  assert(strcmp(heap_str, "Heap 'Hello, World!'Hello, Sisyphus! 0.001000XStack 'Hello, World!'") == 0);
+
+  evstring_free(heap_str);
+
+  return 0;
+}