1 files changed, 78 insertions, 0 deletions
diff --git a/tests/src/com/android/dialer/util/DialerUtilsTest.java b/tests/src/com/android/dialer/util/DialerUtilsTest.java
new file mode 100644
index 000000000..fdd02c10c
--- /dev/null
+++ b/tests/src/com/android/dialer/util/DialerUtilsTest.java
@@ -0,0 +1,78 @@
+/*
+ * 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.dialer.util;
+
+import com.android.dialer.PhoneCallDetailsHelper;
+import com.google.common.collect.Lists;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.test.AndroidTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import java.util.ArrayList;
+
+/**
+ * Performs tests of the DialerUtils class.
+ */
+@SmallTest
+public class DialerUtilsTest extends AndroidTestCase {
+
+    private Resources mResources;
+
+    /**
+     * List of items to be concatenated together for CharSequence join tests.
+     */
+    private ArrayList<CharSequence> mItems = Lists.newArrayList();
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        Context context = getContext();
+        mResources = context.getResources();
+    }
+
+    /**
+     * Tests joining an empty list of {@link CharSequence}.
+     */
+    public void testJoinEmpty() {
+        mItems.clear();
+        CharSequence joined = DialerUtils.join(mResources, mItems);
+        assertEquals("", joined);
+    }
+
+    /**
+     * Tests joining a list of {@link CharSequence} with a single entry.
+     */
+    public void testJoinOne() {
+        mItems.clear();
+        mItems.add("Hello");
+        CharSequence joined = DialerUtils.join(mResources, mItems);
+        assertEquals("Hello", joined);
+    }
+
+    /**
+     * Tests joining a list of {@link CharSequence} with a multiple entries.
+     */
+    public void testJoinTwo() {
+        mItems.clear();
+        mItems.add("Hello");
+        mItems.add("there");
+        CharSequence joined = DialerUtils.join(mResources, mItems);
+        assertEquals("Hello, there", joined);
+    }
+}