package com.google.android.textclassifier.tests; import static com.google.common.truth.Truth.assertThat; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; import android.content.Context; import androidx.test.InstrumentationRegistry; /** This is a launcher of the tests because we need a valid JNIEnv in some C++ tests. */ @RunWith(JUnit4.class) public class JvmTestLauncher { @Before public void setUp() throws Exception { System.loadLibrary("jvm_test_launcher"); } private native boolean testsMain(Context context); @Test public void testNative() throws Exception { assertThat(testsMain(InstrumentationRegistry.getContext())).isTrue(); } }