Source added

microbenchmark/build.gradle.kts

@@ -0,0 +1,64 @@
+@file:Suppress("UnstableApiUsage")
+
+plugins {
+  id("com.android.library")
+  id("androidx.benchmark")
+  id("org.jetbrains.kotlin.android")
+  id("ktlint")
+}
+
+val signalBuildToolsVersion: String by rootProject.extra
+val signalCompileSdkVersion: String by rootProject.extra
+val signalTargetSdkVersion: Int by rootProject.extra
+val signalMinSdkVersion: Int by rootProject.extra
+val signalJavaVersion: JavaVersion by rootProject.extra
+val signalKotlinJvmTarget: String by rootProject.extra
+
+android {
+  namespace = "org.signal.microbenchmark"
+  compileSdkVersion = signalCompileSdkVersion
+
+  compileOptions {
+    isCoreLibraryDesugaringEnabled = true
+    sourceCompatibility = signalJavaVersion
+    targetCompatibility = signalJavaVersion
+  }
+
+  kotlinOptions {
+    jvmTarget = signalKotlinJvmTarget
+  }
+
+  defaultConfig {
+    minSdk = signalMinSdkVersion
+    testInstrumentationRunner = "androidx.benchmark.junit4.AndroidBenchmarkRunner"
+  }
+
+  testBuildType = "release"
+  buildTypes {
+    debug {
+      // Since isDebuggable can't be modified by gradle for library modules,
+      // it must be done in a manifest - see src/androidTest/AndroidManifest.xml
+      isMinifyEnabled = true
+      proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "benchmark-proguard-rules.pro")
+    }
+    release {
+      isDefault = true
+    }
+  }
+}
+
+dependencies {
+  coreLibraryDesugaring(libs.android.tools.desugar)
+  lintChecks(project(":lintchecks"))
+
+  implementation(project(":core-util"))
+
+  // Base dependencies
+  androidTestImplementation(testLibs.junit.junit)
+  androidTestImplementation(benchmarkLibs.androidx.test.ext.junit)
+  androidTestImplementation(benchmarkLibs.androidx.benchmark.micro)
+
+  // Dependencies of modules being tested
+  androidTestImplementation(project(":libsignal-service"))
+  androidTestImplementation(libs.libsignal.android)
+}