diff --git a/core/libs/tests/GuestFont.cpp b/core/libs/tests/GuestFont.cpp
index 147e09012c..94b9b51b49 100644
--- a/core/libs/tests/GuestFont.cpp
+++ b/core/libs/tests/GuestFont.cpp
@@ -87,6 +87,18 @@ static std::int32_t APS5_VABI ParseText(FontTextSource* source, void** order, Fo
     return 1;
 }
 
+static std::int32_t APS5_VABI ParseLine(FontTextSource* source, void** order, FontTextParseResult* result) {
+    auto* parsed = static_cast<ParsedText*>(source->textObject);
+    *order = const_cast<char*>(parsed->text + parsed->at);
+    if (parsed->text[parsed->at] == '\n') {
+        result->Terminate.terminateCode = '\n';
+        return 0;
+    }
+    result->FontCode.font = parsed->font;
+    result->FontCode.code = static_cast<unsigned char>(parsed->text[parsed->at++]);
+    return 1;
+}
+
 struct ParsedCodes {
     const std::uint32_t* codes;
     std::size_t count;
@@ -116,6 +128,16 @@ static void CheckTextCodes(const FontMemory* memory, FontHandle font) {
     FontTextCharacter* characters = sceFontStringRefersTextCharacters(string, &count);
     Require(characters != nullptr && count == 3);
     Require(sceFontStringGetWritingForm(string) == 0x12);
+    Require(sceFontStringGetTerminateCode(string) == 0 && sceFontStringGetTerminateOrder(string) == parsed.text + 3);
+    ParsedText line{"AV\nA", 0, font};
+    FontTextSource lineSource{};
+    Require(sceFontTextSourceInit(&lineSource, line.text, 4, ParseLine, &line) == SCE_FONT_OK);
+    FontString lineString = nullptr;
+    Require(sceFontCreateString(memory, &lineSource, nullptr, &lineString) == SCE_FONT_OK && lineString != nullptr);
+    std::uint32_t lineCount = 0;
+    Require(sceFontStringRefersTextCharacters(lineString, &lineCount) != nullptr && lineCount == 2);
+    Require(sceFontStringGetTerminateCode(lineString) == '\n' && sceFontStringGetTerminateOrder(lineString) == line.text + 2);
+    Require(sceFontDestroyString(&lineString) == SCE_FONT_OK);
     FontString rtlString = nullptr;
     Require(sceFontTextSourceSetWritingForm(&source, 0x11) == SCE_FONT_OK && sceFontCreateString(memory, &source, nullptr, &rtlString) == SCE_FONT_OK);
     Require(sceFontStringGetWritingForm(rtlString) == 0x11);