initial: Yet Another Surface Library (YASL) 0.1.0

A minimal, modern desktop window surface library in C.
Supports Wayland on Linux and Cocoa/Metal on macOS with
presentation timing, fractional scaling, IME, and CSD.

1 files changed, 33 insertions, 0 deletions

diff --git a/tests/test_lifecycle.c b/tests/test_lifecycle.c
new file mode 100644
index 0000000..a57e6b5
--- /dev/null
+++ b/tests/test_lifecycle.c
@@ -0,0 +1,33 @@
+#include "yasl/yasl.h"
+#include <assert.h>
+#include <stdio.h>
+
+static void test_scaling(void)
+{
+    assert(yasl_scale_to_device(10.0, 120) == 10);
+    assert(yasl_scale_to_device(10.0, 240) == 20);
+    assert(yasl_scale_to_logical(20, 240) == 10);
+}
+
+static void test_timing_clock(void)
+{
+    struct yasl_frame_clock clock = { .refresh_ns = 16666666.0 };
+    yasl_clock_presented(&clock, 1000000000, true);
+    assert(clock.last_present_ns == 1000000000);
+    uint64_t next = yasl_clock_next_present_ns(&clock);
+    assert(next > 1000000000);
+
+    yasl_clock_note_resize(&clock, 500000);
+    struct yasl_resize_stats stats;
+    yasl_clock_resize_stats(&clock, &stats);
+    assert(stats.count == 1);
+    assert(stats.max_us == 500.0);
+}
+
+int main(void)
+{
+    test_scaling();
+    test_timing_clock();
+    printf("All YASL basic tests passed.\n");
+    return 0;
+}