Add AsyncResultHolder.

Change-Id: Icfa685bcda2f5c74f5649f09098d00b4bd321c5a

1 files changed, 73 insertions, 0 deletions

diff --git a/tests/src/com/android/inputmethod/latin/utils/AsyncResultHolderTests.java b/tests/src/com/android/inputmethod/latin/utils/AsyncResultHolderTests.java
new file mode 100644
index 000000000..7fd167977
--- /dev/null
+++ b/tests/src/com/android/inputmethod/latin/utils/AsyncResultHolderTests.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.android.inputmethod.latin.utils;
+
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.MediumTest;
+import android.util.Log;
+
+@MediumTest
+public class AsyncResultHolderTests extends AndroidTestCase {
+    private static final String TAG = AsyncResultHolderTests.class.getSimpleName();
+
+    private static final int TIMEOUT_IN_MILLISECONDS = 500;
+    private static final int MARGIN_IN_MILLISECONDS = 250;
+    private static final int DEFAULT_VALUE = 2;
+    private static final int SET_VALUE = 1;
+
+    private <T> void setAfterGivenTime(final AsyncResultHolder<T> holder, final T value,
+            final long time) {
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    Thread.sleep(time);
+                } catch (InterruptedException e) {
+                    Log.d(TAG, "Exception while sleeping", e);
+                }
+                holder.set(value);
+            }
+        }).start();
+    }
+
+    public void testGetWithoutSet() {
+        final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>();
+        final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
+        assertEquals(DEFAULT_VALUE, resultValue);
+    }
+
+    public void testGetBeforeSet() {
+        final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>();
+        setAfterGivenTime(holder, SET_VALUE, TIMEOUT_IN_MILLISECONDS + MARGIN_IN_MILLISECONDS);
+        final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
+        assertEquals(DEFAULT_VALUE, resultValue);
+    }
+
+    public void testGetAfterSet() {
+        final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>();
+        holder.set(SET_VALUE);
+        final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
+        assertEquals(SET_VALUE, resultValue);
+    }
+
+    public void testGetBeforeTimeout() {
+        final AsyncResultHolder<Integer> holder = new AsyncResultHolder<Integer>();
+        setAfterGivenTime(holder, SET_VALUE, TIMEOUT_IN_MILLISECONDS - MARGIN_IN_MILLISECONDS);
+        final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
+        assertEquals(SET_VALUE, resultValue);
+    }
+}