diff --git a/test/aportgen/test_device.py b/test/aportgen/test_device.py
index 26748dc1..a81351b5 100644
--- a/test/aportgen/test_device.py
+++ b/test/aportgen/test_device.py
@@ -91,6 +91,63 @@ test_data: dict[str, tuple[Bootimg | None, list[str], list[str]]] = {
             "flash_offset_base",
         ],
     ),
+    "header_exynos_qcdt": (
+        Bootimg(
+            cmdline="console=ttySAC1,115200",
+            header_version="2",
+            bootimg_qcdt="true",
+            base="",
+            kernel_offset="",
+            tags_offset="",
+            bootimg_qcdt_type="exynos",
+            bootimg_qcdt_exynos_platform="",
+            bootimg_qcdt_exynos_subtype="",
+            dtb_offset="",
+            dtb_second="",
+            pagesize="2048",
+            ramdisk_offset="",
+            second_offset="",
+            mtk_label_kernel="",
+            mtk_label_ramdisk="",
+        ),
+        [
+            'kernel_cmdline="console=ttySAC1,115200"',
+            'bootimg_qcdt="true"',
+            'bootimg_qcdt_type="exynos"',
+        ],
+        [
+            "bootimg_qcdt_exynos_platform",
+            "bootimg_qcdt_exynos_subtype",
+        ],
+    ),
+    "header_exynos_custom_qcdt": (
+        Bootimg(
+            cmdline="console=ttySAC1,115200",
+            header_version="2",
+            bootimg_qcdt="true",
+            base="",
+            kernel_offset="",
+            tags_offset="",
+            bootimg_qcdt_type="exynos",
+            bootimg_qcdt_exynos_platform="0x347e",
+            bootimg_qcdt_exynos_subtype="0x88668650",
+            dtb_offset="",
+            dtb_second="",
+            pagesize="2048",
+            ramdisk_offset="",
+            second_offset="",
+            mtk_label_kernel="",
+            mtk_label_ramdisk="",
+        ),
+        [
+            'kernel_cmdline="console=ttySAC1,115200"',
+            'bootimg_qcdt="true"',
+            'bootimg_qcdt_type="exynos"',
+            'bootimg_qcdt_exynos_platform="0x347e"',
+            'bootimg_qcdt_exynos_subtype="0x88668650"',
+        ],
+        [],
+    ),
 }