Create DictionaryFacilitatorLruCache.

This class is separated from AndroidSpellCheckerService

Bug: 16547557

Change-Id: I3e58521207395588cecb2977234b89067d6da8c3

1 files changed, 81 insertions, 0 deletions

diff --git a/tests/src/com/android/inputmethod/latin/DictionaryFacilitatorLruCacheTests.java b/tests/src/com/android/inputmethod/latin/DictionaryFacilitatorLruCacheTests.java
new file mode 100644
index 000000000..5af30e5b0
--- /dev/null
+++ b/tests/src/com/android/inputmethod/latin/DictionaryFacilitatorLruCacheTests.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2014 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;
+
+import java.util.Locale;
+
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.LargeTest;
+
+@LargeTest
+public class DictionaryFacilitatorLruCacheTests extends AndroidTestCase {
+    static final int MAX_CACHE_SIZE = 2;
+    static final int MAX_CACHE_SIZE_LARGE = 5;
+
+    public void testCacheSize() {
+        final DictionaryFacilitatorLruCache cache =
+                new DictionaryFacilitatorLruCache(getContext(), MAX_CACHE_SIZE, "");
+
+        assertEquals(0, cache.getCachedLocalesForTesting().size());
+        assertNotNull(cache.get(Locale.US));
+        assertEquals(1, cache.getCachedLocalesForTesting().size());
+        assertNotNull(cache.get(Locale.UK));
+        assertEquals(2, cache.getCachedLocalesForTesting().size());
+        assertNotNull(cache.get(Locale.FRENCH));
+        assertEquals(2, cache.getCachedLocalesForTesting().size());
+        cache.evictAll();
+        assertEquals(0, cache.getCachedLocalesForTesting().size());
+    }
+
+    public void testGetFacilitator() {
+        testGetFacilitator(new DictionaryFacilitatorLruCache(getContext(), MAX_CACHE_SIZE, ""));
+        testGetFacilitator(new DictionaryFacilitatorLruCache(
+                getContext(), MAX_CACHE_SIZE_LARGE, ""));
+    }
+
+    private void testGetFacilitator(final DictionaryFacilitatorLruCache cache) {
+        final DictionaryFacilitator dictionaryFacilitatorEnUs = cache.get(Locale.US);
+        assertNotNull(dictionaryFacilitatorEnUs);
+        assertEquals(Locale.US, dictionaryFacilitatorEnUs.getLocale());
+
+        final DictionaryFacilitator dictionaryFacilitatorFr = cache.get(Locale.FRENCH);
+        assertNotNull(dictionaryFacilitatorEnUs);
+        assertEquals(Locale.FRENCH, dictionaryFacilitatorFr.getLocale());
+
+        final DictionaryFacilitator dictionaryFacilitatorDe = cache.get(Locale.GERMANY);
+        assertNotNull(dictionaryFacilitatorDe);
+        assertEquals(Locale.GERMANY, dictionaryFacilitatorDe.getLocale());
+    }
+
+    public void testSetUseContactsDictionary() {
+        testSetUseContactsDictionary(new DictionaryFacilitatorLruCache(
+                getContext(), MAX_CACHE_SIZE, ""));
+        testSetUseContactsDictionary(new DictionaryFacilitatorLruCache(
+                getContext(), MAX_CACHE_SIZE_LARGE, ""));
+    }
+
+    private void testSetUseContactsDictionary(final DictionaryFacilitatorLruCache cache) {
+        assertNull(cache.get(Locale.US).getSubDictForTesting(Dictionary.TYPE_CONTACTS));
+        cache.setUseContactsDictionary(true /* useContactsDictionary */);
+        assertNotNull(cache.get(Locale.US).getSubDictForTesting(Dictionary.TYPE_CONTACTS));
+        assertNotNull(cache.get(Locale.FRENCH).getSubDictForTesting(Dictionary.TYPE_CONTACTS));
+        assertNotNull(cache.get(Locale.GERMANY).getSubDictForTesting(Dictionary.TYPE_CONTACTS));
+        cache.setUseContactsDictionary(false /* useContactsDictionary */);
+        assertNull(cache.get(Locale.GERMANY).getSubDictForTesting(Dictionary.TYPE_CONTACTS));
+        assertNull(cache.get(Locale.US).getSubDictForTesting(Dictionary.TYPE_CONTACTS));
+    }
+}