From 6aaedb813fa11ba0679c3051bc2eb28646b9506c Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 30 Aug 2025 16:53:58 -0700
Subject: Update to SDL3

---
 src/contrib/SDL-3.2.20/test/testautomation_guid.c | 146 ++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/contrib/SDL-3.2.20/test/testautomation_guid.c

(limited to 'src/contrib/SDL-3.2.20/test/testautomation_guid.c')

diff --git a/src/contrib/SDL-3.2.20/test/testautomation_guid.c b/src/contrib/SDL-3.2.20/test/testautomation_guid.c
new file mode 100644
index 0000000..98b898c
--- /dev/null
+++ b/src/contrib/SDL-3.2.20/test/testautomation_guid.c
@@ -0,0 +1,146 @@
+/**
+ * GUID test suite
+ */
+
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_test.h>
+#include "testautomation_suites.h"
+
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#endif
+
+/* ================= Test Case Implementation ================== */
+
+/* Helper functions */
+
+#define NUM_TEST_GUIDS 5
+
+#ifndef UINT64_C
+#ifdef _MSC_VER
+#define UINT64_C(x) x##ui64
+#elif defined(_LP64)
+#define UINT64_C(x) x##UL
+#else
+#define UINT64_C(x) x##ULL
+#endif
+#endif
+
+static struct
+{
+    char *str;
+    Uint64 upper, lower;
+} test_guids[NUM_TEST_GUIDS] = {
+    { "0000000000000000"
+      "ffffffffffffffff",
+      UINT64_C(0x0000000000000000), UINT64_C(0xffffffffffffffff) },
+    { "0011223344556677"
+      "8091a2b3c4d5e6f0",
+      UINT64_C(0x0011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
+    { "a011223344556677"
+      "8091a2b3c4d5e6f0",
+      UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f0) },
+    { "a011223344556677"
+      "8091a2b3c4d5e6f1",
+      UINT64_C(0xa011223344556677), UINT64_C(0x8091a2b3c4d5e6f1) },
+    { "a011223344556677"
+      "8191a2b3c4d5e6f0",
+      UINT64_C(0xa011223344556677), UINT64_C(0x8191a2b3c4d5e6f0) },
+};
+
+static void
+upper_lower_to_bytestring(Uint8 *out, Uint64 upper, Uint64 lower)
+{
+    Uint64 values[2];
+    int i, k;
+
+    values[0] = upper;
+    values[1] = lower;
+
+    for (i = 0; i < 2; ++i) {
+        Uint64 v = values[i];
+
+        for (k = 0; k < 8; ++k) {
+            *out++ = v >> 56;
+            v <<= 8;
+        }
+    }
+}
+
+/* Test case functions */
+
+/**
+ * Check String-to-GUID conversion
+ *
+ * \sa SDL_StringToGUID
+ */
+static int SDLCALL
+TestStringToGUID(void *arg)
+{
+    int i;
+
+    SDLTest_AssertPass("Call to SDL_StringToGUID");
+    for (i = 0; i < NUM_TEST_GUIDS; ++i) {
+        Uint8 expected[16];
+        SDL_GUID guid;
+
+        upper_lower_to_bytestring(expected,
+                                  test_guids[i].upper, test_guids[i].lower);
+
+        guid = SDL_StringToGUID(test_guids[i].str);
+        SDLTest_AssertCheck(SDL_memcmp(expected, guid.data, 16) == 0, "GUID from string, GUID was: '%s'", test_guids[i].str);
+    }
+
+    return TEST_COMPLETED;
+}
+
+/**
+ * Check GUID-to-String conversion
+ *
+ * \sa SDL_GUIDToString
+ */
+static int SDLCALL
+TestGUIDToString(void *arg)
+{
+    int i;
+
+    SDLTest_AssertPass("Call to SDL_GUIDToString");
+    for (i = 0; i < NUM_TEST_GUIDS; ++i) {
+        char guid_str[33];
+        SDL_GUID guid;
+
+        upper_lower_to_bytestring(guid.data,
+                                  test_guids[i].upper, test_guids[i].lower);
+
+        SDL_GUIDToString(guid, guid_str, sizeof(guid_str));
+        SDLTest_AssertCheck(SDL_strcmp(guid_str, test_guids[i].str) == 0, "Checking whether strings match, expected %s, got %s\n", test_guids[i].str, guid_str);
+    }
+
+    return TEST_COMPLETED;
+}
+
+/* ================= Test References ================== */
+
+/* GUID routine test cases */
+static const SDLTest_TestCaseReference guidTest1 = {
+    TestStringToGUID, "TestStringToGUID", "Call to SDL_StringToGUID", TEST_ENABLED
+};
+
+static const SDLTest_TestCaseReference guidTest2 = {
+    TestGUIDToString, "TestGUIDToString", "Call to SDL_GUIDToString", TEST_ENABLED
+};
+
+/* Sequence of GUID routine test cases */
+static const SDLTest_TestCaseReference *guidTests[] = {
+    &guidTest1,
+    &guidTest2,
+    NULL
+};
+
+/* GUID routine test suite (global) */
+SDLTest_TestSuiteReference guidTestSuite = {
+    "GUID",
+    NULL,
+    guidTests,
+    NULL
+};
-- 
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