tests: Add tty test

tests/meson.build

@@ -20,6 +20,7 @@ all_tests_sources = [
   'test_buffered2.cpp',
   'test_coredump.cpp',
   'test_caseinsensitive.cpp',
+  'test_tty.cpp',
 ]
 
 # or

tests/test_tty.cpp

@@ -0,0 +1,60 @@
+#include "uv.h"
+#include "uvio/debug.hpp"
+
+void on_alloc(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) {
+    (void) handle;
+    buf->base = new char[suggested_size];
+    buf->len = suggested_size;
+}
+
+void on_read(uv_stream_t *stream, ssize_t nread, const uv_buf_t *buf) {
+    if (nread < 0) {
+        if (nread != UV_EOF) {
+            LOG_ERROR("Read error: {}", uv_strerror(static_cast<int>(nread)));
+        }
+        delete[] buf->base;
+        uv_close(reinterpret_cast<uv_handle_t *>(stream),
+                 [](uv_handle_t *handle) {
+                     (void) handle;
+                 });
+        return;
+    }
+
+    if (nread > 0) {
+        // man ascii
+        // 0x03 -> ETX (end of text)
+        // 0x04 -> EOT (end of transmission)
+        if (buf->base[0] == 0x03 || buf->base[0] == 0x04) {
+            delete[] buf->base;
+            uv_tty_reset_mode();
+            uv_close(reinterpret_cast<uv_handle_t *>(stream),
+                     [](uv_handle_t *handle) {
+                         (void) handle;
+                     });
+            LOG_INFO("exit!");
+            return;
+        }
+
+        LOG_INFO("[READ]: {}", std::string_view{buf->base, (size_t) nread});
+    }
+
+    // delete[] buf->base;
+    // uv_close(reinterpret_cast<uv_handle_t *>(stream), [](uv_handle_t *handle)
+    // {
+    //     (void) handle;
+    // });
+}
+
+auto main() -> int {
+    uv_tty_t tty_handle; // or new uv_tty_t
+    uv_tty_init(uv_default_loop(), &tty_handle, STDIN_FILENO, 1);
+    uv_tty_set_mode(&tty_handle, UV_TTY_MODE_RAW); // without buffer
+    // uv_tty_set_mode(tty_handle, UV_TTY_MODE_NORMAL); // with buffer
+
+    LOG_INFO("Press `Ctrl-D` to exit");
+    uv_read_start(reinterpret_cast<uv_stream_t *>(&tty_handle),
+                  on_alloc,
+                  on_read);
+    uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+    uv_loop_close(uv_default_loop());
+}