add GosCompatSecureSpawnTests

tests/GosCompatTests/GosCompatCheckApp/AndroidManifest.xml

@@ -2,6 +2,10 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="app.grapheneos.goscompat.checks">
 
+    <queries>
+        <package android:name="app.grapheneos.goscompat.securespawn" />
+    </queries>
+
     <application
         android:debuggable="true"
         android:label="GOS Compat Checks"

tests/GosCompatTests/GosCompatCheckApp/src/app/grapheneos/goscompat/checks/GosCompatCheckActivity.kt

@@ -1,10 +1,13 @@
 package app.grapheneos.goscompat.checks
 
+import android.content.ActivityNotFoundException
 import android.content.Context
+import android.content.Intent
 import android.graphics.Color as AndroidColor
 import android.os.Bundle
 import android.os.DeadObjectException
 import android.view.Window
+import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.SystemBarStyle
 import androidx.activity.compose.setContent
@@ -89,6 +92,9 @@ class GosCompatCheckActivity : ComponentActivity() {
                                 reflectiveMapsScanRunning,
                             )
                         },
+                        onRunSecureSpawn = {
+                            startSecureSpawn()
+                        },
                         dmaBufReleaseContent = {
                             DmaBufReleasePanel(this@GosCompatCheckActivity)
                         },
@@ -98,6 +104,17 @@ class GosCompatCheckActivity : ComponentActivity() {
         }
     }
 
+    private fun startSecureSpawn() {
+        try {
+            startActivity(Intent().setClassName(
+                GosCompatContract.SecureSpawn.PACKAGE_NAME,
+                GosCompatContract.SecureSpawn.ACTIVITY_CLASS,
+            ))
+        } catch (e: ActivityNotFoundException) {
+            Toast.makeText(this, "Secure spawn app is not installed", Toast.LENGTH_SHORT).show()
+        }
+    }
+
     private fun startMapsScan(
         method: String,
         result: MutableState<MapsScanResult?>,
@@ -152,6 +169,7 @@ private fun GosCompatCheckScreen(
     reflectiveMapsScanRunning: Boolean,
     onRunDirectMapsScan: () -> Unit,
     onRunReflectiveMapsScan: () -> Unit,
+    onRunSecureSpawn: () -> Unit,
     dmaBufReleaseContent: @Composable () -> Unit,
 ) {
     Column(
@@ -168,6 +186,27 @@ private fun GosCompatCheckScreen(
             fontWeight = FontWeight.SemiBold,
         )
 
+        Card(
+            modifier = Modifier.fillMaxWidth(),
+            shape = RoundedCornerShape(8.dp),
+        ) {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(16.dp),
+                verticalArrangement = Arrangement.spacedBy(14.dp),
+            ) {
+                Text(
+                    text = "Secure app spawning",
+                    style = MaterialTheme.typography.titleLarge,
+                    fontWeight = FontWeight.SemiBold,
+                )
+                Button(onClick = onRunSecureSpawn) {
+                    Text("Open check")
+                }
+            }
+        }
+
         Card(
             modifier = Modifier.fillMaxWidth(),
             shape = RoundedCornerShape(8.dp),

tests/GosCompatTests/GosCompatSecureSpawnTests/Android.bp

@@ -0,0 +1,21 @@
+java_test_host {
+    name: "GosCompatSecureSpawnTests",
+    srcs: [
+        "src/**/*.java",
+        ":GosPackageStateFlags",
+    ],
+    libs: [
+        "tradefed",
+        "compatibility-tradefed",
+        "compatibility-host-util",
+    ],
+    static_libs: [
+        "framework-annotations-lib",
+    ],
+    test_suites: [
+        "general-tests",
+    ],
+    device_common_data: [
+        ":GosCompatSecureSpawnApp",
+    ],
+}

tests/GosCompatTests/GosCompatSecureSpawnTests/AndroidTest.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration description="Runs GosCompatSecureSpawnTests">
+    <target_preparer class="com.android.tradefed.targetprep.suite.SuiteApkInstaller">
+        <option name="cleanup-apks" value="true" />
+        <option name="install-arg" value="-r" />
+        <option name="install-arg" value="-d" />
+        <option name="install-arg" value="-g" />
+        <option name="install-arg" value="-t" />
+        <option name="test-file-name" value="GosCompatSecureSpawnApp.apk" />
+    </target_preparer>
+
+    <test class="com.android.compatibility.common.tradefed.testtype.JarHostTest">
+        <option name="jar" value="GosCompatSecureSpawnTests.jar" />
+    </test>
+</configuration>

tests/GosCompatTests/GosCompatSecureSpawnTests/GosCompatSecureSpawnApp/Android.bp

@@ -0,0 +1,50 @@
+cc_library_shared {
+    name: "libgoscompat_secure_spawn_jni",
+    srcs: ["jni/secure_spawn_jni.c"],
+    sdk_version: "current",
+    header_libs: ["jni_headers"],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+    stl: "none",
+}
+
+android_test_helper_app {
+    name: "GosCompatSecureSpawnApp",
+    srcs: [
+        "src/**/*.java",
+        "src/**/*.kt",
+    ],
+    manifest: "AndroidManifest.xml",
+    jni_libs: [
+        "libgoscompat_secure_spawn_jni",
+    ],
+    use_embedded_native_libs: true,
+    compile_multilib: "both",
+    libs: [
+        "android.test.runner.stubs",
+    ],
+    static_libs: [
+        "androidx.activity_activity",
+        "androidx.activity_activity-compose",
+        "androidx.core_core",
+        "androidx.compose.foundation_foundation",
+        "androidx.compose.foundation_foundation-layout",
+        "androidx.compose.material3_material3",
+        "androidx.compose.runtime_runtime",
+        "androidx.compose.ui_ui",
+        "androidx.compose.ui_ui-graphics",
+        "androidx.compose.ui_ui-text",
+        "androidx.compose.ui_ui-unit",
+        "androidx.test.ext.junit",
+        "androidx.test.runner",
+        "truth",
+    ],
+    kotlincflags: [
+        "-Xjvm-default=all",
+        "-P plugin:androidx.compose.compiler.plugins.kotlin:sourceInformation=true",
+    ],
+    sdk_version: "current",
+}

tests/GosCompatTests/GosCompatSecureSpawnTests/GosCompatSecureSpawnApp/AndroidManifest.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="app.grapheneos.goscompat.securespawn">
+
+    <application
+        android:debuggable="false"
+        android:label="GOS Secure Spawn Checks"
+        android:theme="@android:style/Theme.DeviceDefault.DayNight">
+        <uses-library android:name="android.test.runner" />
+
+        <activity
+            android:name=".SecureSpawnActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+    <instrumentation
+        android:name="androidx.test.runner.AndroidJUnitRunner"
+        android:targetPackage="app.grapheneos.goscompat.securespawn" />
+</manifest>

tests/GosCompatTests/GosCompatSecureSpawnTests/GosCompatSecureSpawnApp/jni/secure_spawn_jni.c

@@ -0,0 +1,18 @@
+#include <jni.h>
+#include <sys/system_properties.h>
+
+JNIEXPORT jstring JNICALL
+Java_app_grapheneos_goscompat_securespawn_SecureSpawnCheck_nativeSystemProperty(
+        JNIEnv* env, jclass clazz, jstring key) {
+    (void) clazz;
+
+    const char* key_chars = (*env)->GetStringUTFChars(env, key, NULL);
+    if (key_chars == NULL) {
+        return NULL;
+    }
+
+    char value[PROP_VALUE_MAX] = "";
+    __system_property_get(key_chars, value);
+    (*env)->ReleaseStringUTFChars(env, key, key_chars);
+    return (*env)->NewStringUTF(env, value);
+}