Replace String comparisons with "", String() to is_empty()

Also:
- Adds two stress tests to test_string.h
- Changes to .empty() on std::strings

1 files changed, 3 insertions, 3 deletions

diff --git a/platform/iphone/export/export_plugin.cpp b/platform/iphone/export/export_plugin.cpp
index 0abd255c7c..247b456b26 100644
--- a/platform/iphone/export/export_plugin.cpp
+++ b/platform/iphone/export/export_plugin.cpp
@@ -1363,10 +1363,10 @@ Error EditorExportPlatformIOS::export_project(const Ref<EditorExportPreset> &p_p
 		src_pkg_name = p_preset->get("custom_template/release");
 	}
 
-	if (src_pkg_name == "") {
+	if (src_pkg_name.is_empty()) {
 		String err;
 		src_pkg_name = find_export_template("iphone.zip", &err);
-		if (src_pkg_name == "") {
+		if (src_pkg_name.is_empty()) {
 			EditorNode::add_io_error(err);
 			return ERR_FILE_NOT_FOUND;
 		}
@@ -1767,7 +1767,7 @@ bool EditorExportPlatformIOS::can_export(const Ref<EditorExportPreset> &p_preset
 	}
 
 	String etc_error = test_etc2_or_pvrtc();
-	if (etc_error != String()) {
+	if (!etc_error.is_empty()) {
 		valid = false;
 		err += etc_error;
 	}