kernel/tests: implement platform CIO kapi

1 files changed, 38 insertions, 0 deletions

diff --git a/kernel/tests/kapi/cio.cpp b/kernel/tests/kapi/cio.cpp
new file mode 100644
index 0000000..6359fa8
--- /dev/null
+++ b/kernel/tests/kapi/cio.cpp
@@ -0,0 +1,38 @@
+#include <kapi/cio.hpp>
+
+#include "kernel/tests/log_buffer.hpp"
+
+#include <iostream>
+#include <string>
+#include <string_view>
+
+namespace kapi::cio
+{
+
+  namespace
+  {
+
+    class test_output_device : public output_device
+    {
+    public:
+      test_output_device() = default;
+
+      auto write(output_stream stream, std::string_view text) -> void override
+      {
+        auto & standard_stream = stream == output_stream::stdout ? std::cout : std::cerr;
+        standard_stream << text;
+        if (text != "\n")
+        {
+          kernel::tests::log_buffer::append(std::string{text});
+        }
+      }
+    } device{};
+
+  }  // namespace
+
+  auto init() -> void
+  {
+    set_output_device(device);
+  }
+
+}  // namespace kapi::cio
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