diff --git a/android/arch_test.go b/android/arch_test.go
new file mode 100644
index 0000000..0589e6c
--- /dev/null
+++ b/android/arch_test.go
@@ -0,0 +1,232 @@
+// Copyright 2019 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package android
+
+import (
+	"reflect"
+	"testing"
+)
+
+type Named struct {
+	A *string `android:"arch_variant"`
+	B *string
+}
+
+type NamedAllFiltered struct {
+	A *string
+}
+
+type NamedNoneFiltered struct {
+	A *string `android:"arch_variant"`
+}
+
+func TestFilterArchStruct(t *testing.T) {
+	tests := []struct {
+		name     string
+		in       interface{}
+		out      interface{}
+		filtered bool
+	}{
+		// Property tests
+		{
+			name: "basic",
+			in: &struct {
+				A *string `android:"arch_variant"`
+				B *string
+			}{},
+			out: &struct {
+				A *string
+			}{},
+			filtered: true,
+		},
+		{
+			name: "all filtered",
+			in: &struct {
+				A *string
+			}{},
+			out:      nil,
+			filtered: true,
+		},
+		{
+			name: "none filtered",
+			in: &struct {
+				A *string `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A *string `android:"arch_variant"`
+			}{},
+			filtered: false,
+		},
+
+		// Sub-struct tests
+		{
+			name: "substruct",
+			in: &struct {
+				A struct {
+					A *string `android:"arch_variant"`
+					B *string
+				} `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A struct {
+					A *string
+				}
+			}{},
+			filtered: true,
+		},
+		{
+			name: "substruct all filtered",
+			in: &struct {
+				A struct {
+					A *string
+				} `android:"arch_variant"`
+			}{},
+			out:      nil,
+			filtered: true,
+		},
+		{
+			name: "substruct none filtered",
+			in: &struct {
+				A struct {
+					A *string `android:"arch_variant"`
+				} `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A struct {
+					A *string `android:"arch_variant"`
+				} `android:"arch_variant"`
+			}{},
+			filtered: false,
+		},
+
+		// Named sub-struct tests
+		{
+			name: "named substruct",
+			in: &struct {
+				A Named `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A struct {
+					A *string
+				}
+			}{},
+			filtered: true,
+		},
+		{
+			name: "substruct all filtered",
+			in: &struct {
+				A NamedAllFiltered `android:"arch_variant"`
+			}{},
+			out:      nil,
+			filtered: true,
+		},
+		{
+			name: "substruct none filtered",
+			in: &struct {
+				A NamedNoneFiltered `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A NamedNoneFiltered `android:"arch_variant"`
+			}{},
+			filtered: false,
+		},
+
+		// Pointer to sub-struct tests
+		{
+			name: "pointer substruct",
+			in: &struct {
+				A *struct {
+					A *string `android:"arch_variant"`
+					B *string
+				} `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A *struct {
+					A *string
+				}
+			}{},
+			filtered: true,
+		},
+		{
+			name: "pointer substruct all filtered",
+			in: &struct {
+				A *struct {
+					A *string
+				} `android:"arch_variant"`
+			}{},
+			out:      nil,
+			filtered: true,
+		},
+		{
+			name: "pointer substruct none filtered",
+			in: &struct {
+				A *struct {
+					A *string `android:"arch_variant"`
+				} `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A *struct {
+					A *string `android:"arch_variant"`
+				} `android:"arch_variant"`
+			}{},
+			filtered: false,
+		},
+
+		// Pointer to named sub-struct tests
+		{
+			name: "pointer named substruct",
+			in: &struct {
+				A *Named `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A *struct {
+					A *string
+				}
+			}{},
+			filtered: true,
+		},
+		{
+			name: "pointer substruct all filtered",
+			in: &struct {
+				A *NamedAllFiltered `android:"arch_variant"`
+			}{},
+			out:      nil,
+			filtered: true,
+		},
+		{
+			name: "pointer substruct none filtered",
+			in: &struct {
+				A *NamedNoneFiltered `android:"arch_variant"`
+			}{},
+			out: &struct {
+				A *NamedNoneFiltered `android:"arch_variant"`
+			}{},
+			filtered: false,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			out, filtered := filterArchStruct(reflect.TypeOf(test.in))
+			if filtered != test.filtered {
+				t.Errorf("expected filtered %v, got %v", test.filtered, filtered)
+			}
+			expected := reflect.TypeOf(test.out)
+			if out != expected {
+				t.Errorf("expected type %v, got %v", expected, out)
+			}
+		})
+	}
+}