Convert components/ java tests to JUnit4

For more on JUnit4 migration, please check src/testing/android/docs/junit4.md

Bug: 640116
Change-Id: Ied8a563ee6833b76beeaa0b4141aa6e0e74a2abd
Reviewed-on: https://chromium-review.googlesource.com/567627Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Tommy Nyquist <nyquist@chromium.org>
Commit-Queue: Yoland Yan <yolandyan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488657}

components/background_task_scheduler/android/javatests/src/org/chromium/components/background_task_scheduler/BackgroundTaskSchedulerJobServiceTest.java

@@ -10,9 +10,14 @@ import android.content.Context;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.PersistableBundle;
+import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
-import android.test.InstrumentationTestCase;
 
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.MinAndroidSdkLevel;
 
 import java.util.concurrent.TimeUnit;
@@ -20,9 +25,10 @@ import java.util.concurrent.TimeUnit;
 /**
  * Tests for {@link BackgroundTaskSchedulerJobService}.
  */
+@RunWith(BaseJUnit4ClassRunner.class)
 @TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
 @MinAndroidSdkLevel(Build.VERSION_CODES.LOLLIPOP_MR1)
-public class BackgroundTaskSchedulerJobServiceTest extends InstrumentationTestCase {
+public class BackgroundTaskSchedulerJobServiceTest {
     private static class TestBackgroundTask implements BackgroundTask {
         @Override
         public boolean onStartTask(
@@ -39,19 +45,21 @@ public class BackgroundTaskSchedulerJobServiceTest extends InstrumentationTestCa
         public void reschedule(Context context) {}
     }
 
+    @Test
     @SmallTest
     public void testOneOffTaskInfoWithDeadlineConversion() {
         TaskInfo oneOffTask = TaskInfo.createOneOffTask(TaskIds.TEST, TestBackgroundTask.class,
                                               TimeUnit.MINUTES.toMillis(200))
                                       .build();
         JobInfo jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(), oneOffTask);
-        assertEquals(oneOffTask.getTaskId(), jobInfo.getId());
-        assertFalse(jobInfo.isPeriodic());
-        assertEquals(oneOffTask.getOneOffInfo().getWindowEndTimeMs(),
+                InstrumentationRegistry.getInstrumentation().getTargetContext(), oneOffTask);
+        Assert.assertEquals(oneOffTask.getTaskId(), jobInfo.getId());
+        Assert.assertFalse(jobInfo.isPeriodic());
+        Assert.assertEquals(oneOffTask.getOneOffInfo().getWindowEndTimeMs(),
                 jobInfo.getMaxExecutionDelayMillis());
     }
 
+    @Test
     @SmallTest
     public void testOneOffTaskInfoWithWindowConversion() {
         TaskInfo oneOffTask =
@@ -59,27 +67,30 @@ public class BackgroundTaskSchedulerJobServiceTest extends InstrumentationTestCa
                                 TimeUnit.MINUTES.toMillis(100), TimeUnit.MINUTES.toMillis(200))
                         .build();
         JobInfo jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(), oneOffTask);
-        assertEquals(oneOffTask.getTaskId(), jobInfo.getId());
-        assertFalse(jobInfo.isPeriodic());
-        assertEquals(
+                InstrumentationRegistry.getInstrumentation().getTargetContext(), oneOffTask);
+        Assert.assertEquals(oneOffTask.getTaskId(), jobInfo.getId());
+        Assert.assertFalse(jobInfo.isPeriodic());
+        Assert.assertEquals(
                 oneOffTask.getOneOffInfo().getWindowStartTimeMs(), jobInfo.getMinLatencyMillis());
-        assertEquals(oneOffTask.getOneOffInfo().getWindowEndTimeMs(),
+        Assert.assertEquals(oneOffTask.getOneOffInfo().getWindowEndTimeMs(),
                 jobInfo.getMaxExecutionDelayMillis());
     }
 
+    @Test
     @SmallTest
     public void testPeriodicTaskInfoWithoutFlexConversion() {
         TaskInfo periodicTask = TaskInfo.createPeriodicTask(TaskIds.TEST, TestBackgroundTask.class,
                                                 TimeUnit.MINUTES.toMillis(200))
                                         .build();
         JobInfo jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(), periodicTask);
-        assertEquals(periodicTask.getTaskId(), jobInfo.getId());
-        assertTrue(jobInfo.isPeriodic());
-        assertEquals(periodicTask.getPeriodicInfo().getIntervalMs(), jobInfo.getIntervalMillis());
+                InstrumentationRegistry.getInstrumentation().getTargetContext(), periodicTask);
+        Assert.assertEquals(periodicTask.getTaskId(), jobInfo.getId());
+        Assert.assertTrue(jobInfo.isPeriodic());
+        Assert.assertEquals(
+                periodicTask.getPeriodicInfo().getIntervalMs(), jobInfo.getIntervalMillis());
     }
 
+    @Test
     @SmallTest
     public void testPeriodicTaskInfoWithFlexConversion() {
         TaskInfo periodicTask =
@@ -87,15 +98,18 @@ public class BackgroundTaskSchedulerJobServiceTest extends InstrumentationTestCa
                                 TimeUnit.MINUTES.toMillis(200), TimeUnit.MINUTES.toMillis(50))
                         .build();
         JobInfo jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(), periodicTask);
-        assertEquals(periodicTask.getTaskId(), jobInfo.getId());
-        assertTrue(jobInfo.isPeriodic());
-        assertEquals(periodicTask.getPeriodicInfo().getIntervalMs(), jobInfo.getIntervalMillis());
+                InstrumentationRegistry.getInstrumentation().getTargetContext(), periodicTask);
+        Assert.assertEquals(periodicTask.getTaskId(), jobInfo.getId());
+        Assert.assertTrue(jobInfo.isPeriodic());
+        Assert.assertEquals(
+                periodicTask.getPeriodicInfo().getIntervalMs(), jobInfo.getIntervalMillis());
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            assertEquals(periodicTask.getPeriodicInfo().getFlexMs(), jobInfo.getFlexMillis());
+            Assert.assertEquals(
+                    periodicTask.getPeriodicInfo().getFlexMs(), jobInfo.getFlexMillis());
         }
     }
 
+    @Test
     @SmallTest
     public void testTaskInfoWithExtras() {
         Bundle taskExtras = new Bundle();
@@ -107,34 +121,36 @@ public class BackgroundTaskSchedulerJobServiceTest extends InstrumentationTestCa
                                       .setExtras(taskExtras)
                                       .build();
         JobInfo jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(), oneOffTask);
-        assertEquals(oneOffTask.getTaskId(), jobInfo.getId());
+                InstrumentationRegistry.getInstrumentation().getTargetContext(), oneOffTask);
+        Assert.assertEquals(oneOffTask.getTaskId(), jobInfo.getId());
         PersistableBundle jobExtras = jobInfo.getExtras();
         PersistableBundle persistableBundle = jobExtras.getPersistableBundle(
                 BackgroundTaskSchedulerJobService.BACKGROUND_TASK_EXTRAS_KEY);
-        assertEquals(taskExtras.keySet().size(), persistableBundle.keySet().size());
-        assertEquals(taskExtras.getString("foo"), persistableBundle.getString("foo"));
-        assertEquals(taskExtras.getBoolean("bools"), persistableBundle.getBoolean("bools"));
-        assertEquals(taskExtras.getLong("longs"), persistableBundle.getLong("longs"));
+        Assert.assertEquals(taskExtras.keySet().size(), persistableBundle.keySet().size());
+        Assert.assertEquals(taskExtras.getString("foo"), persistableBundle.getString("foo"));
+        Assert.assertEquals(taskExtras.getBoolean("bools"), persistableBundle.getBoolean("bools"));
+        Assert.assertEquals(taskExtras.getLong("longs"), persistableBundle.getLong("longs"));
     }
 
+    @Test
     @SmallTest
     public void testTaskInfoWithManyConstraints() {
         TaskInfo.Builder taskBuilder = TaskInfo.createOneOffTask(
                 TaskIds.TEST, TestBackgroundTask.class, TimeUnit.MINUTES.toMillis(200));
 
         JobInfo jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(), taskBuilder.setIsPersisted(true).build());
-        assertTrue(jobInfo.isPersisted());
+                InstrumentationRegistry.getInstrumentation().getTargetContext(),
+                taskBuilder.setIsPersisted(true).build());
+        Assert.assertTrue(jobInfo.isPersisted());
 
         jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(),
+                InstrumentationRegistry.getInstrumentation().getTargetContext(),
                 taskBuilder.setRequiredNetworkType(TaskInfo.NETWORK_TYPE_UNMETERED).build());
-        assertEquals(JobInfo.NETWORK_TYPE_UNMETERED, jobInfo.getNetworkType());
+        Assert.assertEquals(JobInfo.NETWORK_TYPE_UNMETERED, jobInfo.getNetworkType());
 
         jobInfo = BackgroundTaskSchedulerJobService.createJobInfoFromTaskInfo(
-                getInstrumentation().getTargetContext(),
+                InstrumentationRegistry.getInstrumentation().getTargetContext(),
                 taskBuilder.setRequiresCharging(true).build());
-        assertTrue(jobInfo.isRequireCharging());
+        Assert.assertTrue(jobInfo.isRequireCharging());
     }
 }

components/background_task_scheduler/android/javatests/src/org/chromium/components/background_task_scheduler/BundleToPersistableBundleConverterTest.java

@@ -9,8 +9,12 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.PersistableBundle;
 import android.support.test.filters.SmallTest;
-import android.test.InstrumentationTestCase;
 
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.MinAndroidSdkLevel;
 
 import java.util.ArrayList;
@@ -20,9 +24,11 @@ import java.util.Set;
 /**
  * Tests for {@link BundleToPersistableBundleConverter}.
  */
+@RunWith(BaseJUnit4ClassRunner.class)
 @TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
 @MinAndroidSdkLevel(Build.VERSION_CODES.LOLLIPOP_MR1)
-public class BundleToPersistableBundleConverterTest extends InstrumentationTestCase {
+public class BundleToPersistableBundleConverterTest {
+    @Test
     @SmallTest
     public void testAllValidConversions() {
         Bundle bundle = new Bundle();
@@ -41,19 +47,21 @@ public class BundleToPersistableBundleConverterTest extends InstrumentationTestC
                 BundleToPersistableBundleConverter.convert(bundle);
         PersistableBundle pBundle = result.getPersistableBundle();
 
-        assertFalse(result.hasErrors());
-        assertEquals(bundle.getString("s"), pBundle.getString("s"));
-        assertTrue(Arrays.equals(bundle.getStringArray("sa"), pBundle.getStringArray("sa")));
-        assertEquals(bundle.getBoolean("b"), pBundle.getBoolean("b"));
-        assertTrue(Arrays.equals(bundle.getBooleanArray("ba"), pBundle.getBooleanArray("ba")));
-        assertEquals(bundle.getInt("i"), pBundle.getInt("i"));
-        assertTrue(Arrays.equals(bundle.getIntArray("ia"), pBundle.getIntArray("ia")));
-        assertEquals(bundle.getLong("l"), pBundle.getLong("l"));
-        assertTrue(Arrays.equals(bundle.getLongArray("la"), pBundle.getLongArray("la")));
-        assertEquals(bundle.getDouble("d"), pBundle.getDouble("d"));
-        assertTrue(Arrays.equals(bundle.getDoubleArray("da"), pBundle.getDoubleArray("da")));
+        Assert.assertFalse(result.hasErrors());
+        Assert.assertEquals(bundle.getString("s"), pBundle.getString("s"));
+        Assert.assertTrue(Arrays.equals(bundle.getStringArray("sa"), pBundle.getStringArray("sa")));
+        Assert.assertEquals(bundle.getBoolean("b"), pBundle.getBoolean("b"));
+        Assert.assertTrue(
+                Arrays.equals(bundle.getBooleanArray("ba"), pBundle.getBooleanArray("ba")));
+        Assert.assertEquals(bundle.getInt("i"), pBundle.getInt("i"));
+        Assert.assertTrue(Arrays.equals(bundle.getIntArray("ia"), pBundle.getIntArray("ia")));
+        Assert.assertEquals(bundle.getLong("l"), pBundle.getLong("l"));
+        Assert.assertTrue(Arrays.equals(bundle.getLongArray("la"), pBundle.getLongArray("la")));
+        Assert.assertEquals(bundle.getDouble("d"), pBundle.getDouble("d"), 0);
+        Assert.assertTrue(Arrays.equals(bundle.getDoubleArray("da"), pBundle.getDoubleArray("da")));
     }
 
+    @Test
     @SmallTest
     public void testSomeBadConversions() {
         Bundle bundle = new Bundle();
@@ -68,15 +76,16 @@ public class BundleToPersistableBundleConverterTest extends InstrumentationTestC
         BundleToPersistableBundleConverter.Result result =
                 BundleToPersistableBundleConverter.convert(bundle);
 
-        assertTrue(result.hasErrors());
+        Assert.assertTrue(result.hasErrors());
         Set<String> failedKeys = result.getFailedKeys();
-        assertEquals(3, failedKeys.size());
-        assertTrue(failedKeys.contains("byte"));
-        assertTrue(failedKeys.contains("float"));
-        assertTrue(failedKeys.contains("arrayList"));
-        assertEquals(bundle.getString("s"), result.getPersistableBundle().getString("s"));
+        Assert.assertEquals(3, failedKeys.size());
+        Assert.assertTrue(failedKeys.contains("byte"));
+        Assert.assertTrue(failedKeys.contains("float"));
+        Assert.assertTrue(failedKeys.contains("arrayList"));
+        Assert.assertEquals(bundle.getString("s"), result.getPersistableBundle().getString("s"));
     }
 
+    @Test
     @SmallTest
     public void testNullValue() {
         Bundle bundle = new Bundle();
@@ -87,9 +96,12 @@ public class BundleToPersistableBundleConverterTest extends InstrumentationTestC
         BundleToPersistableBundleConverter.Result result =
                 BundleToPersistableBundleConverter.convert(bundle);
 
-        assertFalse(result.hasErrors());
-        assertEquals(bundle.getString("foo"), result.getPersistableBundle().getString("foo"));
-        assertEquals(bundle.getString("bar"), result.getPersistableBundle().getString("bar"));
-        assertEquals(bundle.getString("qux"), result.getPersistableBundle().getString("qux"));
+        Assert.assertFalse(result.hasErrors());
+        Assert.assertEquals(
+                bundle.getString("foo"), result.getPersistableBundle().getString("foo"));
+        Assert.assertEquals(
+                bundle.getString("bar"), result.getPersistableBundle().getString("bar"));
+        Assert.assertEquals(
+                bundle.getString("qux"), result.getPersistableBundle().getString("qux"));
     }
 }

components/crash/android/javatests/src/org/chromium/components/crash/browser/CrashDumpManagerTest.java

@@ -4,11 +4,18 @@
 
 package org.chromium.components.crash.browser;
 
+import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
-import android.test.InstrumentationTestCase;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 import org.chromium.base.ContextUtils;
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.TestFileUtil;
@@ -19,21 +26,21 @@ import java.io.IOException;
 /**
  * Unittests for {@link CrashDumpManager}.
  */
-public class CrashDumpManagerTest extends InstrumentationTestCase {
+@RunWith(BaseJUnit4ClassRunner.class)
+public class CrashDumpManagerTest {
     File mTempDir;
 
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-        ContextUtils.initApplicationContextForTests(
-                getInstrumentation().getTargetContext().getApplicationContext());
+    @Before
+    public void setUp() throws Exception {
+        ContextUtils.initApplicationContextForTests(InstrumentationRegistry.getInstrumentation()
+                                                            .getTargetContext()
+                                                            .getApplicationContext());
         mTempDir = ContextUtils.getApplicationContext().getCacheDir();
         assert mTempDir.exists();
     }
 
-    @Override
-    protected void tearDown() throws Exception {
-        super.tearDown();
+    @After
+    public void tearDown() throws Exception {
         File[] files = mTempDir.listFiles();
         if (files == null) return;
 
@@ -42,16 +49,18 @@ public class CrashDumpManagerTest extends InstrumentationTestCase {
         }
     }
 
+    @Test
     @SmallTest
     @Feature({"Android-AppBase"})
     @DisabledTest // Flaky, crbug.com/725379.
     public void testUploadMinidump_NoCallback() throws IOException {
         File minidump = new File(mTempDir, "mini.dmp");
-        assertTrue(minidump.createNewFile());
+        Assert.assertTrue(minidump.createNewFile());
 
         CrashDumpManager.tryToUploadMinidump(minidump.getAbsolutePath());
     }
 
+    @Test
     @SmallTest
     @Feature({"Android-AppBase"})
     @DisabledTest // Flaky, crbug.com/725379.
@@ -59,7 +68,7 @@ public class CrashDumpManagerTest extends InstrumentationTestCase {
         registerUploadCallback(new CrashDumpManager.UploadMinidumpCallback() {
             @Override
             public void tryToUploadMinidump(File minidump) {
-                fail("The callback should not be called when the minidump path is null.");
+                Assert.fail("The callback should not be called when the minidump path is null.");
             }
         });
 
@@ -68,12 +77,14 @@ public class CrashDumpManagerTest extends InstrumentationTestCase {
 
     // @SmallTest
     // @Feature({"Android-AppBase"})
+    @Test
     @DisabledTest // Flaky, crbug.com/725379.
     public void testUploadMinidump_FileDoesntExist() {
         registerUploadCallback(new CrashDumpManager.UploadMinidumpCallback() {
             @Override
             public void tryToUploadMinidump(File minidump) {
-                fail("The callback should not be called when the minidump file doesn't exist.");
+                Assert.fail(
+                        "The callback should not be called when the minidump file doesn't exist.");
             }
         });
 
@@ -81,34 +92,37 @@ public class CrashDumpManagerTest extends InstrumentationTestCase {
                 mTempDir.getAbsolutePath() + "/some/file/that/doesnt/exist");
     }
 
+    @Test
     @SmallTest
     @Feature({"Android-AppBase"})
     @DisabledTest // Flaky, crbug.com/725379.
     public void testUploadMinidump_MinidumpPathIsDirectory() throws IOException {
         File directory = new File(mTempDir, "a_directory");
-        assertTrue(directory.mkdir());
+        Assert.assertTrue(directory.mkdir());
 
         registerUploadCallback(new CrashDumpManager.UploadMinidumpCallback() {
             @Override
             public void tryToUploadMinidump(File minidump) {
-                fail("The callback should not be called when the minidump path is not a file.");
+                Assert.fail(
+                        "The callback should not be called when the minidump path is not a file.");
             }
         });
 
         CrashDumpManager.tryToUploadMinidump(directory.getAbsolutePath());
     }
 
+    @Test
     @SmallTest
     @Feature({"Android-AppBase"})
     @DisabledTest // Flaky, crbug.com/725379.
     public void testUploadMinidump_MinidumpPathIsValid() throws IOException {
         final File minidump = new File(mTempDir, "mini.dmp");
-        assertTrue(minidump.createNewFile());
+        Assert.assertTrue(minidump.createNewFile());
 
         registerUploadCallback(new CrashDumpManager.UploadMinidumpCallback() {
             @Override
             public void tryToUploadMinidump(File actualMinidump) {
-                assertEquals("Should call the callback with the correct filename.", minidump,
+                Assert.assertEquals("Should call the callback with the correct filename.", minidump,
                         actualMinidump);
             }
         });

components/cronet/android/BUILD.gn

@@ -731,6 +731,7 @@ android_library("cronet_javatests") {
     "//net/android:net_java",
     "//net/android:net_java_test_support",
     "//third_party/android_support_test_runner:runner_java",
+    "//third_party/junit",
   ]
 
   run_findbugs_override = true

components/cronet/android/java/src/org/chromium/net/urlconnection/CronetHttpURLConnection.java

@@ -239,7 +239,7 @@ public class CronetHttpURLConnection extends HttpURLConnection {
             if (superFixedContentLengthLong != -1) {
                 contentLength = superFixedContentLengthLong;
             }
-        } catch (Exception e) {
+        } catch (NoSuchFieldException | IllegalAccessException e) {
             // Ignored.
         }
         return contentLength;

components/cronet/android/test/javatests/src/org/chromium/net/UrlResponseInfoTest.java

@@ -5,8 +5,12 @@
 package org.chromium.net;
 
 import android.support.test.filters.SmallTest;
-import android.test.AndroidTestCase;
 
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.Feature;
 import org.chromium.net.impl.UrlResponseInfoImpl;
 
@@ -18,10 +22,12 @@ import java.util.Map;
 /**
  * Tests for {@link UrlResponseInfo}.
  */
-public class UrlResponseInfoTest extends AndroidTestCase {
+@RunWith(BaseJUnit4ClassRunner.class)
+public class UrlResponseInfoTest {
     /**
      * Test for public API of {@link UrlResponseInfo}.
      */
+    @Test
     @SmallTest
     @Feature({"Cronet"})
     public void testPublicAPI() throws Exception {
@@ -39,29 +45,29 @@ public class UrlResponseInfoTest extends AndroidTestCase {
 
         final UrlResponseInfo info = new UrlResponseInfoImpl(urlChain, httpStatusCode,
                 httpStatusText, allHeadersList, wasCached, negotiatedProtocol, proxyServer);
-        assertEquals(info.getUrlChain(), urlChain);
+        Assert.assertEquals(info.getUrlChain(), urlChain);
         try {
             info.getUrlChain().add("example.com");
-            fail("getUrlChain() returned modifyable list.");
+            Assert.fail("getUrlChain() returned modifyable list.");
         } catch (UnsupportedOperationException e) {
             // Expected.
         }
-        assertEquals(info.getHttpStatusCode(), httpStatusCode);
-        assertEquals(info.getHttpStatusText(), httpStatusText);
-        assertEquals(info.getAllHeadersAsList(), allHeadersList);
+        Assert.assertEquals(info.getHttpStatusCode(), httpStatusCode);
+        Assert.assertEquals(info.getHttpStatusText(), httpStatusText);
+        Assert.assertEquals(info.getAllHeadersAsList(), allHeadersList);
         try {
             info.getAllHeadersAsList().add(
                     new AbstractMap.SimpleImmutableEntry<String, String>("X", "Y"));
-            fail("getAllHeadersAsList() returned modifyable list.");
+            Assert.fail("getAllHeadersAsList() returned modifyable list.");
         } catch (UnsupportedOperationException e) {
             // Expected.
         }
-        assertEquals(info.getAllHeaders().size(), allHeadersList.size());
-        assertEquals(info.getAllHeaders().get(allHeadersList.get(0).getKey()).size(), 1);
-        assertEquals(info.getAllHeaders().get(allHeadersList.get(0).getKey()).get(0),
+        Assert.assertEquals(info.getAllHeaders().size(), allHeadersList.size());
+        Assert.assertEquals(info.getAllHeaders().get(allHeadersList.get(0).getKey()).size(), 1);
+        Assert.assertEquals(info.getAllHeaders().get(allHeadersList.get(0).getKey()).get(0),
                 allHeadersList.get(0).getValue());
-        assertEquals(info.wasCached(), wasCached);
-        assertEquals(info.getNegotiatedProtocol(), negotiatedProtocol);
-        assertEquals(info.getProxyServer(), proxyServer);
+        Assert.assertEquals(info.wasCached(), wasCached);
+        Assert.assertEquals(info.getNegotiatedProtocol(), negotiatedProtocol);
+        Assert.assertEquals(info.getProxyServer(), proxyServer);
     }
 }
\ No newline at end of file

components/invalidation/impl/BUILD.gn

@@ -235,6 +235,7 @@ if (is_android) {
       "//third_party/android_support_test_runner:runner_java",
       "//third_party/cacheinvalidation:cacheinvalidation_javalib",
       "//third_party/cacheinvalidation:cacheinvalidation_proto_java",
+      "//third_party/junit",
     ]
     java_files = [
       "android/javatests/src/org/chromium/components/invalidation/InvalidationClientServiceTest.java",

components/signin/core/browser/android/BUILD.gn

@@ -40,6 +40,7 @@ android_library("javatests") {
     "//base:base_java",
     "//base:base_java_test_support",
     "//third_party/android_support_test_runner:runner_java",
+    "//third_party/junit",
   ]
 
   java_files = [ "javatests/src/org/chromium/components/signin/test/AccountManagerFacadeTest.java" ]

components/signin/core/browser/android/javatests/src/org/chromium/components/signin/test/AccountManagerFacadeTest.java

@@ -6,10 +6,17 @@ package org.chromium.components.signin.test;
 
 import android.accounts.Account;
 import android.content.Context;
+import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
-import android.test.InstrumentationTestCase;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
 
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.components.signin.AccountManagerFacade;
 import org.chromium.components.signin.test.util.AccountHolder;
 import org.chromium.components.signin.test.util.FakeAccountManagerDelegate;
@@ -18,45 +25,45 @@ import org.chromium.components.signin.test.util.SimpleFuture;
 /**
  * Test class for {@link AccountManagerFacade}.
  */
-public class AccountManagerFacadeTest extends InstrumentationTestCase {
+@RunWith(BaseJUnit4ClassRunner.class)
+public class AccountManagerFacadeTest {
     private FakeAccountManagerDelegate mDelegate;
     private AccountManagerFacade mHelper;
 
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-
-        Context context = getInstrumentation().getTargetContext();
+    @Before
+    public void setUp() throws Exception {
+        Context context = InstrumentationRegistry.getInstrumentation().getTargetContext();
         mDelegate = new FakeAccountManagerDelegate(context);
         AccountManagerFacade.overrideAccountManagerFacadeForTests(context, mDelegate);
         mHelper = AccountManagerFacade.get();
     }
 
-    @Override
-    protected void tearDown() throws Exception {
+    @After
+    public void tearDown() throws Exception {
         AccountManagerFacade.resetAccountManagerFacadeForTests();
-        super.tearDown();
     }
 
+    @Test
     @SmallTest
     public void testCanonicalAccount() throws InterruptedException {
         addTestAccount("test@gmail.com", "password");
 
-        assertTrue(hasAccountForName("test@gmail.com"));
-        assertTrue(hasAccountForName("Test@gmail.com"));
-        assertTrue(hasAccountForName("te.st@gmail.com"));
+        Assert.assertTrue(hasAccountForName("test@gmail.com"));
+        Assert.assertTrue(hasAccountForName("Test@gmail.com"));
+        Assert.assertTrue(hasAccountForName("te.st@gmail.com"));
     }
 
     // If this test starts flaking, please re-open crbug.com/568636 and make sure there is some sort
     // of stack trace or error message in that bug BEFORE disabling the test.
+    @Test
     @SmallTest
     public void testNonCanonicalAccount() throws InterruptedException {
         addTestAccount("test.me@gmail.com", "password");
 
-        assertTrue(hasAccountForName("test.me@gmail.com"));
-        assertTrue(hasAccountForName("testme@gmail.com"));
-        assertTrue(hasAccountForName("Testme@gmail.com"));
-        assertTrue(hasAccountForName("te.st.me@gmail.com"));
+        Assert.assertTrue(hasAccountForName("test.me@gmail.com"));
+        Assert.assertTrue(hasAccountForName("testme@gmail.com"));
+        Assert.assertTrue(hasAccountForName("Testme@gmail.com"));
+        Assert.assertTrue(hasAccountForName("te.st.me@gmail.com"));
     }
 
     private Account addTestAccount(String accountName, String password) {

components/sync/android/BUILD.gn

@@ -46,6 +46,7 @@ android_library("sync_javatests") {
     "//third_party/cacheinvalidation:cacheinvalidation_javalib",
     "//third_party/cacheinvalidation:cacheinvalidation_proto_java",
     "//third_party/jsr-305:jsr_305_javalib",
+    "//third_party/junit",
   ]
   java_files = [
     "javatests/src/org/chromium/components/sync/AndroidSyncSettingsTest.java",

components/sync/android/javatests/src/org/chromium/components/sync/notifier/InvalidationClientNameProviderTest.java

@@ -5,21 +5,28 @@
 package org.chromium.components.sync.notifier;
 
 import android.support.test.filters.SmallTest;
-import android.test.InstrumentationTestCase;
 
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.Feature;
 
 import java.util.Arrays;
 
 /** Tests for the {@link InvalidationClientNameProvider} */
-public class InvalidationClientNameProviderTest extends InstrumentationTestCase {
+@RunWith(BaseJUnit4ClassRunner.class)
+public class InvalidationClientNameProviderTest {
     private InvalidationClientNameProvider mProvider;
 
-    @Override
-    protected void setUp() {
+    @Before
+    public void setUp() {
         mProvider = new InvalidationClientNameProvider();
     }
 
+    @Test
     @SmallTest
     @Feature({"Sync"})
     public void testFallbackClientId() {
@@ -29,7 +36,7 @@ public class InvalidationClientNameProviderTest extends InstrumentationTestCase
         byte[] id2 = mProvider.getInvalidatorClientName();
 
         // We expect the returned IDs to be consistent in every call.
-        assertTrue("Expected returned IDs to be consistent", Arrays.equals(id1, id2));
+        Assert.assertTrue("Expected returned IDs to be consistent", Arrays.equals(id1, id2));
 
         // Even if initialize the generator late, the ID will remain consistent.
         registerHardCodedGenerator(mProvider);
@@ -39,10 +46,11 @@ public class InvalidationClientNameProviderTest extends InstrumentationTestCase
         // getInvalidatorClientName() and never change afterwards.  We test this anyway to make sure
         // nothing will blow up if someone accidentally violates that constraint.)
         byte[] id3 = mProvider.getInvalidatorClientName();
-        assertTrue("Changing generators should not affect returned ID consistency",
+        Assert.assertTrue("Changing generators should not affect returned ID consistency",
                 Arrays.equals(id2, id3));
     }
 
+    @Test
     @SmallTest
     @Feature({"Sync"})
     public void testPreRegisteredGenerator() {
@@ -52,7 +60,7 @@ public class InvalidationClientNameProviderTest extends InstrumentationTestCase
         byte[] id2 = mProvider.getInvalidatorClientName();
 
         // Expect that consistent IDs are maintained when using a custom generator, too.
-        assertTrue("Custom generators should return consistent IDs", Arrays.equals(id, id2));
+        Assert.assertTrue("Custom generators should return consistent IDs", Arrays.equals(id, id2));
     }
 
     private static void registerHardCodedGenerator(InvalidationClientNameProvider provider) {

components/sync/android/javatests/src/org/chromium/components/sync/notifier/InvalidationPreferencesTest.java

@@ -6,11 +6,15 @@ package org.chromium.components.sync.notifier;
 
 import android.accounts.Account;
 import android.support.test.filters.SmallTest;
-import android.test.InstrumentationTestCase;
 
 import com.google.ipc.invalidation.external.client.types.ObjectId;
 
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import org.chromium.base.CollectionUtil;
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.RetryOnFailure;
 
@@ -22,8 +26,10 @@ import java.util.Set;
  *
  * @author dsmyers@google.com (Daniel Myers)
  */
+@RunWith(BaseJUnit4ClassRunner.class)
 @RetryOnFailure
-public class InvalidationPreferencesTest extends InstrumentationTestCase {
+public class InvalidationPreferencesTest {
+    @Test
     @SmallTest
     @Feature({"Sync"})
     public void testReadMissingData() {
@@ -31,12 +37,13 @@ public class InvalidationPreferencesTest extends InstrumentationTestCase {
          * Test plan: read saved state from empty preferences. Verify that null is returned.
          */
         InvalidationPreferences invPreferences = new InvalidationPreferences();
-        assertNull(invPreferences.getSavedSyncedAccount());
-        assertNull(invPreferences.getSavedSyncedTypes());
-        assertNull(invPreferences.getSavedObjectIds());
-        assertNull(invPreferences.getInternalNotificationClientState());
+        Assert.assertNull(invPreferences.getSavedSyncedAccount());
+        Assert.assertNull(invPreferences.getSavedSyncedTypes());
+        Assert.assertNull(invPreferences.getSavedObjectIds());
+        Assert.assertNull(invPreferences.getInternalNotificationClientState());
     }
 
+    @Test
     @SmallTest
     @Feature({"Sync"})
     public void testReadWriteAndReadData() {
@@ -61,16 +68,16 @@ public class InvalidationPreferencesTest extends InstrumentationTestCase {
         invPreferences.setInternalNotificationClientState(editContext, internalClientState);
 
         // Nothing should yet have been written.
-        assertNull(invPreferences.getSavedSyncedAccount());
-        assertNull(invPreferences.getSavedSyncedTypes());
-        assertNull(invPreferences.getSavedObjectIds());
+        Assert.assertNull(invPreferences.getSavedSyncedAccount());
+        Assert.assertNull(invPreferences.getSavedSyncedTypes());
+        Assert.assertNull(invPreferences.getSavedObjectIds());
 
         // Write the new data and verify that they are correctly read back.
         invPreferences.commit(editContext);
-        assertEquals(account, invPreferences.getSavedSyncedAccount());
-        assertEquals(syncTypes, invPreferences.getSavedSyncedTypes());
-        assertEquals(objectIds, invPreferences.getSavedObjectIds());
-        assertTrue(Arrays.equals(
+        Assert.assertEquals(account, invPreferences.getSavedSyncedAccount());
+        Assert.assertEquals(syncTypes, invPreferences.getSavedSyncedTypes());
+        Assert.assertEquals(objectIds, invPreferences.getSavedObjectIds());
+        Assert.assertTrue(Arrays.equals(
                 internalClientState, invPreferences.getInternalNotificationClientState()));
     }
 }