intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 52 insertions, 0 deletions

diff --git a/library/cpp/openssl/method/ut/io_ut.cpp b/library/cpp/openssl/method/ut/io_ut.cpp
new file mode 100644
index 0000000000..bff2b23d31
--- /dev/null
+++ b/library/cpp/openssl/method/ut/io_ut.cpp
@@ -0,0 +1,52 @@
+#include <library/cpp/openssl/method/io.h>
+
+#include <library/cpp/testing/unittest/registar.h>
+
+class TTestIO : public NOpenSSL::TAbstractIO {
+public:
+    int Write(const char* data, size_t dlen, size_t* written) override {
+        Y_UNUSED(data);
+        *written = dlen;
+        return 1;
+    }
+
+    int Read(char* data, size_t dlen, size_t* readbytes) override {
+        Y_UNUSED(data);
+        Y_UNUSED(dlen);
+        *readbytes = 0;
+        return 0;
+    }
+
+    int Puts(const char* buf) override {
+        if (buf == nullptr) {
+            return 0;
+        }
+
+        return strlen(buf);
+    }
+
+    int Gets(char* buf, int size) override {
+        Y_UNUSED(buf);
+        Y_UNUSED(size);
+        return 0;
+    }
+
+    void Flush() override {
+
+    }
+};
+
+Y_UNIT_TEST_SUITE(IO) {
+    Y_UNIT_TEST(AbstractIO) {
+        static const char s[] = "12345";
+
+        TTestIO test;
+
+        UNIT_ASSERT(BIO_write(test, s, sizeof(s)) == sizeof(s));
+        UNIT_ASSERT(BIO_puts(test, s) == strlen(s));
+
+        char buf[128];
+        UNIT_ASSERT(BIO_read(test, buf, sizeof(buf)) == 0);
+        UNIT_ASSERT(BIO_gets(test, buf, sizeof(buf)) == 0);
+    }
+}