| /* |
| * Copyright (C) 2010 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.quicksearchbox.util; |
| |
| import com.android.quicksearchbox.ConsumerTrap; |
| |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link CachedLater}. |
| */ |
| @SmallTest |
| public class CachedLaterTest extends TestCase { |
| |
| private Harness mHarness; |
| private ConsumerTrap<String> mTrap; |
| private ConsumerTrap<String> mTrap2; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mHarness = new Harness(); |
| mTrap = new ConsumerTrap<String>(); |
| mTrap2 = new ConsumerTrap<String>(); |
| } |
| |
| public void testGetLaterAsync() { |
| mHarness.getLater(mTrap); |
| // The consumer should not have been called here |
| assertNull(mTrap.getValue()); |
| mHarness.finishCreate("foo"); |
| assertEquals("foo", mTrap.getValue()); |
| } |
| |
| public void testGetLaterSync() { |
| mHarness.getLater(mTrap); // trigger create() |
| mHarness.finishCreate("foo"); |
| mHarness.getLater(mTrap2); // sync call |
| assertEquals("foo", mTrap2.getValue()); |
| } |
| |
| public void testGetLaterWhileCreating() { |
| mHarness.getLater(mTrap); // trigger create() |
| mHarness.getLater(mTrap2); // register a second consumer |
| mHarness.finishCreate("foo"); |
| assertEquals("foo", mTrap.getValue()); |
| assertEquals("foo", mTrap2.getValue()); |
| } |
| |
| public void testGetLaterAfterClear() { |
| mHarness.getLater(mTrap); // trigger create() |
| mHarness.finishCreate("foo"); |
| mHarness.clear(); |
| mHarness.getLater(mTrap2); |
| mHarness.finishCreate("bar"); |
| assertEquals("bar", mTrap2.getValue()); |
| } |
| |
| public void testHaveNow() { |
| assertFalse(mHarness.haveNow()); |
| mHarness.getLater(mTrap); |
| assertFalse(mHarness.haveNow()); |
| mHarness.finishCreate("foo"); |
| assertTrue(mHarness.haveNow()); |
| } |
| |
| public void testClear() { |
| mHarness.getLater(mTrap); // trigger create() |
| mHarness.finishCreate("foo"); |
| mHarness.clear(); |
| assertFalse(mHarness.haveNow()); |
| mHarness.getLater(mTrap2); |
| assertNull(mTrap2.getValue()); |
| } |
| |
| private static class Harness extends CachedLater<String> { |
| |
| private boolean mCreatePending = false; |
| |
| protected void create() { |
| mCreatePending = true; |
| } |
| |
| public void finishCreate(String str) { |
| if (mCreatePending) { |
| store(str); |
| mCreatePending = false; |
| } |
| } |
| |
| } |
| |
| } |