diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 03588ca..1e515c4 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -39,6 +39,7 @@ file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/data/mo540_v1.aif DESTINATION ${CMAKE_CURR
 file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/data/mo540.aif DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/data/)
 file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/data/mo640_v1.aif DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/data/)
 file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/data/mo640.aif DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/data/)
+file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/data/cdmode1_v1.aif DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/data/)
 
 # Test executable (all unit tests)
 add_executable(tests_run crc64.cpp spamsum.cpp crc32.c crc32.h flac.cpp lzma.cpp sha256.cpp md5.cpp sha1.cpp open_image.cpp
diff --git a/tests/data/cdmode1_v1.aif b/tests/data/cdmode1_v1.aif
new file mode 100755
index 0000000..969b54a
Binary files /dev/null and b/tests/data/cdmode1_v1.aif differ
diff --git a/tests/open_image.cpp b/tests/open_image.cpp
index bb5db52..a50a75d 100644
--- a/tests/open_image.cpp
+++ b/tests/open_image.cpp
@@ -736,6 +736,67 @@ TEST_F(OpenImageFixture, open_mo640_v2)
     EXPECT_EQ(close_result, AARUF_STATUS_OK) << "Failed to close image";
 }
 
+TEST_F(OpenImageFixture, open_cdmode1_v1)
+{
+    char path[PATH_MAX];
+    char filename[PATH_MAX];
+
+    getcwd(path, PATH_MAX);
+    snprintf(filename, PATH_MAX, "%s/data/cdmode1_v1.aif", path);
+
+    // Attempt to open the image file
+    void *context = aaruf_open(filename);
+
+    // Verify that the file was successfully opened
+    ASSERT_NE(context, nullptr) << "Failed to open cdmode1_v1.aif";
+
+    // Get image info to verify it's a valid image
+    ImageInfo     image_info;
+    const int32_t result = aaruf_get_image_info(context, &image_info);
+
+    ASSERT_EQ(result, AARUF_STATUS_OK) << "Failed to get image info";
+
+    // Basic sanity checks on the image info
+    ASSERT_EQ(image_info.HasPartitions, true) << "Image should not have partitions";
+    ASSERT_EQ(image_info.HasSessions, true) << "Image should not have sessions";
+    ASSERT_EQ(image_info.ImageSize, 4406638) << "Unexpected image size";
+    ASSERT_EQ(image_info.Sectors, 9120) << "Unexpected number of sectors";
+    ASSERT_EQ(image_info.SectorSize, 2048) << "Unexpected sector size";
+    ASSERT_STREQ(image_info.Version, "1.0") << "Unexpected image version";
+    ASSERT_STREQ(image_info.Application, "Aaru") << "Unexpected application name";
+    ASSERT_STREQ(image_info.ApplicationVersion, "5.3") << "Unexpected application version";
+    ASSERT_EQ(image_info.CreationTime, 134045761441240199ULL) << "Unexpected creation time";
+    ASSERT_EQ(image_info.LastModificationTime, 134045761618355140ULL) << "Unexpected modification time";
+    ASSERT_EQ(image_info.MediaType, 15) << "Unexpected media type";
+    ASSERT_EQ(image_info.MetadataMediaType, 0) << "Unexpected metadata media type";
+
+    crc64_ctx *ctx         = aaruf_crc64_init();
+    uint64_t   crc         = 0;
+    void      *ecc_context = aaruf_ecc_cd_init();
+
+    for(int i = 0; i < 9120; i++)
+    {
+        uint8_t  buffer[2352];
+        uint32_t length = sizeof(buffer);
+
+        const int32_t read_result = aaruf_read_sector_long(context, i, false, buffer, &length);
+        EXPECT_EQ(read_result, AARUF_STATUS_OK) << "Failed to read sector " << i;
+        EXPECT_EQ(length, 2352U) << "Unexpected length for sector " << i;
+        aaruf_crc64_update(ctx, buffer, 2352);
+        EXPECT_EQ(aaruf_ecc_cd_is_suffix_correct(ecc_context, buffer), true)
+            << "CD sector " << i << " has invalid ECC suffix";
+    }
+
+    aaruf_crc64_final(ctx, &crc);
+    aaruf_crc64_free(ctx);
+
+    ASSERT_EQ(crc, 0xAE1014831CD81711) << "Unexpected CRC64 for image data";
+
+    // Close the image
+    const int32_t close_result = aaruf_close(context);
+    EXPECT_EQ(close_result, AARUF_STATUS_OK) << "Failed to close image";
+}
+
 // Test opening a non-existent file
 TEST_F(OpenImageFixture, OpenNonExistentFile)
 {