From 65271681a2d3676c16557ddc3dbf9ec3284f5060 Mon Sep 17 00:00:00 2001
From: superp00t <superp00t@tutanota.com>
Date: Mon, 31 Mar 2025 16:32:13 -0400
Subject: [PATCH] feat(test): add unicode unit tests

---
 test/Unicode.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/test/Unicode.cpp b/test/Unicode.cpp
index 3e61ec3..73d2425 100644
--- a/test/Unicode.cpp
+++ b/test/Unicode.cpp
@@ -59,3 +59,40 @@ TEST_CASE("SUniSPutUTF8", "[unicode]") {
         REQUIRE(SStrLen(buffer) == 0);
     }
 }
+
+TEST_CASE("SUniConvertUTF8to16", "[unicode]") {
+    SECTION("convert ASCII to UTF-16") {
+        auto str = "Software";
+        uint16_t widechars[] = { 0x1111, 0x2222, 0x3333, 0x4444, 0x5555, 0x6666, 0x7777, 0x8888, 0x9999 };
+        uint32_t srcchars;
+        uint32_t dstchars;
+        auto result = SUniConvertUTF8to16(widechars, 64, reinterpret_cast<const uint8_t*>(str), 128, &dstchars, &srcchars);
+        REQUIRE(result == 0);
+        REQUIRE(dstchars == 9);
+        REQUIRE(srcchars == 8);
+        REQUIRE(widechars[0] == 0x0053);
+        REQUIRE(widechars[1] == 0x006f);
+        REQUIRE(widechars[2] == 0x0066);
+        REQUIRE(widechars[3] == 0x0074);
+        REQUIRE(widechars[4] == 0x0077);
+        REQUIRE(widechars[5] == 0x0061);
+        REQUIRE(widechars[6] == 0x0072);
+        REQUIRE(widechars[7] == 0x0065);
+        REQUIRE(widechars[8] == 0x0000);
+}
+
+    SECTION("convert UTF-8 汉字 to UTF-16") {
+        uint16_t widechars[] = { 0x1111, 0x2222, 0x3333 };
+        uint8_t chars[] = { 0xE6, 0xB1, 0x89, 0xE5, 0xAD, 0x97, 0x00 };
+        uint32_t srcchars;
+        uint32_t dstchars;
+        auto result = SUniConvertUTF8to16(widechars, 3, chars, 7, &dstchars, &srcchars);
+        REQUIRE(result == 0);
+        REQUIRE(dstchars == 3);
+        REQUIRE(srcchars == 6);
+
+        REQUIRE(widechars[0] == 0x6C49);
+        REQUIRE(widechars[1] == 0x5B57);
+        REQUIRE(widechars[2] == 0x0000);
+    }
+}