summaryrefslogtreecommitdiffstats
path: root/tests
diff options
context:
space:
mode:
authorMilos Stankovic <miloss@google.com>2014-09-05 09:57:18 +0000
committerAndroid (Google) Code Review <android-gerrit@google.com>2014-09-05 09:57:19 +0000
commitb92e65bd06b95988b553b3f426b4a36e2acab07f (patch)
treedf6abefe42bd577b11e790afebc241603d67d41b /tests
parente6a52d616cf1138ba68b1d59e44ee2ef06008f68 (diff)
parent72243803ed432837e6750535d7d0ea2fd14e3d2e (diff)
downloadandroid_packages_apps_UnifiedEmail-b92e65bd06b95988b553b3f426b4a36e2acab07f.tar.gz
android_packages_apps_UnifiedEmail-b92e65bd06b95988b553b3f426b4a36e2acab07f.tar.bz2
android_packages_apps_UnifiedEmail-b92e65bd06b95988b553b3f426b4a36e2acab07f.zip
Merge "Creating RankedComparator and using it to sort accounts." into ub-gmail-ur14-dev
Diffstat (limited to 'tests')
-rw-r--r--tests/src/com/android/mail/utils/RankedComparatorTest.java100
1 files changed, 100 insertions, 0 deletions
diff --git a/tests/src/com/android/mail/utils/RankedComparatorTest.java b/tests/src/com/android/mail/utils/RankedComparatorTest.java
new file mode 100644
index 000000000..85e5cd008
--- /dev/null
+++ b/tests/src/com/android/mail/utils/RankedComparatorTest.java
@@ -0,0 +1,100 @@
+/**
+ * Copyright (C) 2014 Google Inc.
+ * Licensed to 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.mail.utils;
+
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import com.google.android.mail.common.base.Function;
+
+@SmallTest
+public class RankedComparatorTest extends AndroidTestCase {
+
+ private static final String RANK1 = "rank1";
+ private static final String RANK2 = "rank2";
+ private static final String[] RANKS = new String[]{RANK1, RANK2};
+ private static final String UNKNOWN_RANK1 = "unknown_rank_1";
+ private static final String UNKNOWN_RANK2 = "unknown_rank_2";
+ private static final String NULL_RANK = null;
+
+ private RankedComparator<DummyObject, String> comparator;
+
+ @Override
+ protected void setUp() throws Exception {
+ super.setUp();
+ comparator =
+ new RankedComparator<DummyObject, String>(RANKS, DUMMY_OBJECT_TO_RANK_FUNCTION);
+ }
+
+ public void testSimple() {
+ DummyObject rank1_1 = new DummyObject(RANK1);
+ DummyObject rank1_2 = new DummyObject(RANK1);
+ DummyObject rank2 = new DummyObject(RANK2);
+
+ assertTrue("Same object should be equal to itself.",
+ comparator.compare(rank1_1, rank1_1) == 0);
+ assertTrue("Different objects with same rank should be equal.",
+ comparator.compare(rank1_1, rank1_2) == 0);
+
+ // Testing different ranks and with different order of the parameters
+ assertTrue(comparator.compare(rank1_1, rank2) < 0);
+ assertTrue(comparator.compare(rank2, rank1_1) > 0);
+ }
+
+ public void testUnknownRank() {
+ DummyObject knownRank = new DummyObject(RANK1);
+ DummyObject unknownRank1 = new DummyObject(UNKNOWN_RANK1);
+ DummyObject unknownRank2 = new DummyObject(UNKNOWN_RANK2);
+
+ assertTrue("Known rank should be smaller than unknown rank.",
+ comparator.compare(knownRank, unknownRank1) < 0);
+ assertTrue("Unknown rank should be larger than known rank.",
+ comparator.compare(unknownRank1, knownRank) > 0);
+ assertTrue("Two different unknown ranks should be equal.",
+ comparator.compare(unknownRank1, unknownRank2) == 0);
+ }
+
+ public void testNullRank() {
+ DummyObject knownRank = new DummyObject(RANK1);
+ DummyObject unknownRank = new DummyObject(UNKNOWN_RANK1);
+ DummyObject nullRank = new DummyObject(NULL_RANK);
+
+ assertTrue("Known rank should be smaller than null rank.",
+ comparator.compare(knownRank, nullRank) < 0);
+ assertTrue("null rank should be larger than known rank.",
+ comparator.compare(nullRank, knownRank) > 0);
+ assertTrue("Unknown and null rank should be equal.",
+ comparator.compare(unknownRank, nullRank) == 0);
+ }
+
+ private static final Function<DummyObject, String> DUMMY_OBJECT_TO_RANK_FUNCTION =
+ new Function<DummyObject, String>() {
+ @Override
+ public String apply(DummyObject dummyObject) {
+ return dummyObject.rank;
+ }
+ };
+
+ private class DummyObject {
+ private final String rank;
+
+ private DummyObject(String rank) {
+ this.rank = rank;
+ }
+ }
+}