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Diffstat (limited to 'tests/src/com/android/providers/contacts/util/CappedStringBuilderTest.java')
-rw-r--r-- | tests/src/com/android/providers/contacts/util/CappedStringBuilderTest.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/tests/src/com/android/providers/contacts/util/CappedStringBuilderTest.java b/tests/src/com/android/providers/contacts/util/CappedStringBuilderTest.java new file mode 100644 index 00000000..d49b2630 --- /dev/null +++ b/tests/src/com/android/providers/contacts/util/CappedStringBuilderTest.java @@ -0,0 +1,84 @@ +/* + * Copyright (C) 2018 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.providers.contacts.util; + +import android.test.suitebuilder.annotation.SmallTest; + +import junit.framework.TestCase; + +/** + * Run with: + atest /android/pi-dev/packages/providers/ContactsProvider/tests/src/com/android/providers/contacts/util/CappedStringBuilderTest.java + */ +@SmallTest +public class CappedStringBuilderTest extends TestCase { + public void testCappedChar() { + CappedStringBuilder csb = new CappedStringBuilder(8); + + csb.append("abcd"); + csb.append("efgh"); + + csb.append('x'); + assertEquals("abcdefgh", csb.toString()); + + csb.append("y"); + csb.append("yz"); + + assertEquals("abcdefgh", csb.toString()); + } + + public void testCappedString() { + CappedStringBuilder csb = new CappedStringBuilder(8); + + csb.append("abcd"); + csb.append("efgh"); + + csb.append("x"); + assertEquals("abcdefgh", csb.toString()); + } + + public void testClear() { + CappedStringBuilder csb = new CappedStringBuilder(8); + + csb.append("abcd"); + csb.append("efgh"); + + csb.append("x"); + + assertEquals("abcdefgh", csb.toString()); + + csb.clear(); + + assertEquals("", csb.toString()); + + csb.append("abcd"); + assertEquals("abcd", csb.toString()); + } + + public void testAlreadyCapped() { + CappedStringBuilder csb = new CappedStringBuilder(4); + + csb.append("abc"); + + csb.append("xy"); + + // Once capped, further append() will all be blocked. + csb.append('z'); + csb.append("z"); + + assertEquals("abc", csb.toString()); + } +} |