mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

javatests/google/registry/util/ConcurrentTest.java

@@ -0,0 +1,77 @@
+// Copyright 2016 The Domain Registry Authors. 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 com.google.domain.registry.util;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.fail;
+
+import com.google.common.base.Function;
+import com.google.common.base.Functions;
+import com.google.common.collect.ImmutableList;
+import com.google.common.testing.NullPointerTester;
+import com.google.common.util.concurrent.UncheckedExecutionException;
+import com.google.domain.registry.testing.AppEngineRule;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link Concurrent}. */
+@RunWith(JUnit4.class)
+public class ConcurrentTest {
+
+  @Rule
+  public final AppEngineRule appEngine = AppEngineRule.builder()
+      .withDatastore()
+      .build();
+
+  @Test
+  public void testTransform_emptyList_returnsEmptyList() throws Exception {
+    assertThat(Concurrent.transform(ImmutableList.of(), Functions.identity())).isEmpty();
+  }
+
+  @Test
+  public void testTransform_addIntegers() throws Exception {
+    assertThat(Concurrent.transform(ImmutableList.of(1, 2, 3), new Function<Integer, Integer>() {
+      @Override
+      public Integer apply(Integer input) {
+        return input + 1;
+      }})).containsExactly(2, 3, 4).inOrder();
+  }
+
+  @Test
+  public void testTransform_throwsException_isSinglyWrappedByUee() throws Exception {
+    try {
+      Concurrent.transform(ImmutableList.of(1, 2, 3), new Function<Integer, Integer>() {
+        @Override
+        public Integer apply(Integer input) {
+          throw new RuntimeException("hello");
+        }});
+      fail("Didn't throw!");
+    } catch (UncheckedExecutionException e) {
+      // We can't use ExpectedException because root cause must be one level of indirection away.
+      assertThat(e.getCause()).isInstanceOf(RuntimeException.class);
+      assertThat(e.getCause()).hasMessage("hello");
+    }
+  }
+
+  @Test
+  public void testNullness() throws Exception {
+    NullPointerTester tester = new NullPointerTester()
+        .setDefault(Function.class, Functions.identity());
+    tester.testAllPublicStaticMethods(Concurrent.class);
+  }
+}