diff --git a/tests/expression/1.0/Android.bp b/tests/expression/1.0/Android.bp
new file mode 100644
index 0000000..32d4682
--- /dev/null
+++ b/tests/expression/1.0/Android.bp
@@ -0,0 +1,50 @@
+// This file is autogenerated by hidl-gen. Do not edit manually.
+
+genrule {
+    name: "android.hardware.tests.expression@1.0_genc++",
+    tool: "hidl-gen",
+    cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.tests.expression@1.0",
+    srcs: [
+        "IExpression.hal",
+        "IExpressionExt.hal",
+    ],
+    out: [
+        "android/hardware/tests/expression/1.0/ExpressionAll.cpp",
+        "android/hardware/tests/expression/1.0/ExpressionExtAll.cpp",
+    ],
+}
+
+genrule {
+    name: "android.hardware.tests.expression@1.0_genc++_headers",
+    tool: "hidl-gen",
+    cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.tests.expression@1.0",
+    srcs: [
+        "IExpression.hal",
+        "IExpressionExt.hal",
+    ],
+    out: [
+        "android/hardware/tests/expression/1.0/IExpression.h",
+        "android/hardware/tests/expression/1.0/IHwExpression.h",
+        "android/hardware/tests/expression/1.0/BnExpression.h",
+        "android/hardware/tests/expression/1.0/BpExpression.h",
+        "android/hardware/tests/expression/1.0/BsExpression.h",
+        "android/hardware/tests/expression/1.0/IExpressionExt.h",
+        "android/hardware/tests/expression/1.0/IHwExpressionExt.h",
+        "android/hardware/tests/expression/1.0/BnExpressionExt.h",
+        "android/hardware/tests/expression/1.0/BpExpressionExt.h",
+        "android/hardware/tests/expression/1.0/BsExpressionExt.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.tests.expression@1.0",
+    generated_sources: ["android.hardware.tests.expression@1.0_genc++"],
+    generated_headers: ["android.hardware.tests.expression@1.0_genc++_headers"],
+    export_generated_headers: ["android.hardware.tests.expression@1.0_genc++_headers"],
+    shared_libs: [
+        "libhidl",
+        "libhwbinder",
+        "libutils",
+        "libcutils",
+    ],
+}