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diff --git a/tests/src/baseline-tests.cpp b/tests/src/baseline-tests.cpp
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+/**
+ *
+ * Copyright 2021-2023 Ribose Inc. (https://www.ribose.com)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "sexp-tests.h"
+
+using namespace sexp;
+using ::testing::UnitTest;
+
+namespace {
+class BaselineTests : public testing::Test {
+  protected:
+    static const uint32_t base_sample_advanced = 0;
+    static const uint32_t base_sample_base64 = 1;
+    static const uint32_t base_sample_canonical = 2;
+    static const uint32_t n_base_samples = base_sample_canonical + 1;
+
+    static std::string base_samples[n_base_samples];
+
+    BaselineTests()
+    {
+        base_samples[base_sample_advanced] = sexp_samples_folder + "/baseline/sexp-sample-a";
+        base_samples[base_sample_base64] = sexp_samples_folder + "/baseline/sexp-sample-b";
+        base_samples[base_sample_canonical] = sexp_samples_folder + "/baseline/sexp-sample-c";
+    };
+};
+
+const uint32_t BaselineTests::n_base_samples;
+const uint32_t BaselineTests::base_sample_advanced;
+const uint32_t BaselineTests::base_sample_base64;
+const uint32_t BaselineTests::base_sample_canonical;
+std::string    BaselineTests::base_samples[n_base_samples];
+
+TEST_F(BaselineTests, Scan2Canonical)
+{
+    for (uint32_t i = 0; i < n_base_samples; i++) {
+        std::ifstream ifs(base_samples[i], std::ifstream::binary);
+        bool          r = ifs.fail();
+        EXPECT_FALSE(r);
+
+        if (!ifs.fail()) {
+            sexp_input_stream_t is(&ifs);
+            const auto          obj = is.set_byte_size(8)->get_char()->scan_object();
+
+            std::ostringstream   oss(std::ios_base::binary);
+            sexp_output_stream_t os(&oss);
+            os.print_canonical(obj);
+
+            std::istringstream iss(oss.str(), std::ios_base::binary);
+            EXPECT_TRUE(compare_binary_files(base_samples[base_sample_canonical], iss));
+        }
+    }
+}
+
+TEST_F(BaselineTests, Scan2Base64)
+{
+    for (uint32_t i = 0; i < n_base_samples; i++) {
+        std::ifstream ifs(base_samples[i], std::ifstream::binary);
+        EXPECT_FALSE(ifs.fail());
+
+        if (!ifs.fail()) {
+            sexp_input_stream_t is(&ifs);
+            const auto          obj = is.set_byte_size(8)->get_char()->scan_object();
+
+            std::ostringstream   oss(std::ios_base::binary);
+            sexp_output_stream_t os(&oss);
+
+            os.set_max_column(0)->print_base64(obj);
+            oss << std::endl;
+
+            std::istringstream iss(oss.str(), std::ios_base::binary);
+            EXPECT_TRUE(compare_text_files(base_samples[base_sample_base64], iss));
+        }
+    }
+}
+
+TEST_F(BaselineTests, Scan2Advanced)
+{
+    for (uint32_t i = 0; i < n_base_samples; i++) {
+        std::ifstream ifs(base_samples[i], std::ifstream::binary);
+        EXPECT_FALSE(ifs.fail());
+
+        if (!ifs.fail()) {
+            sexp_input_stream_t is(&ifs);
+            const auto          obj = is.set_byte_size(8)->get_char()->scan_object();
+
+            std::ostringstream   oss(std::ios_base::binary);
+            sexp_output_stream_t os(&oss);
+            os.print_advanced(obj);
+
+            std::istringstream iss(oss.str(), std::ios_base::binary);
+            EXPECT_TRUE(compare_text_files(base_samples[base_sample_advanced], iss));
+        }
+    }
+}
+} // namespace