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/*
* 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.loganalysis.util.config;
import junit.framework.TestCase;
/**
* Unit tests for {@link OptionUpdateRule}
*/
public class OptionUpdateRuleTest extends TestCase {
private static final String mOptionName = "option-name";
private static final Object mCurrent = "5 current value";
private static final Object mUpdate = "5 update value";
private static final Object mSmallUpdate = "0 update value";
private static final Object mBigUpdate = "9 update value";
public void testFirst_simple() throws Exception {
assertEquals(mUpdate, OptionUpdateRule.FIRST.update(mOptionName, null, mUpdate));
assertEquals(mCurrent, OptionUpdateRule.FIRST.update(mOptionName, mCurrent, mUpdate));
}
public void testLast_simple() throws Exception {
assertEquals(mUpdate, OptionUpdateRule.LAST.update(mOptionName, null, mUpdate));
assertEquals(mUpdate, OptionUpdateRule.LAST.update(mOptionName, mCurrent, mUpdate));
}
public void testGreatest_simple() throws Exception {
assertEquals(mSmallUpdate,
OptionUpdateRule.GREATEST.update(mOptionName, null, mSmallUpdate));
assertEquals(mCurrent,
OptionUpdateRule.GREATEST.update(mOptionName, mCurrent, mSmallUpdate));
assertEquals(mBigUpdate,
OptionUpdateRule.GREATEST.update(mOptionName, mCurrent, mBigUpdate));
}
public void testLeast_simple() throws Exception {
assertEquals(mBigUpdate,
OptionUpdateRule.LEAST.update(mOptionName, null, mBigUpdate));
assertEquals(mSmallUpdate,
OptionUpdateRule.LEAST.update(mOptionName, mCurrent, mSmallUpdate));
assertEquals(mCurrent,
OptionUpdateRule.LEAST.update(mOptionName, mCurrent, mBigUpdate));
}
public void testImmutable_simple() throws Exception {
assertEquals(mUpdate, OptionUpdateRule.IMMUTABLE.update(mOptionName, null, mUpdate));
try {
OptionUpdateRule.IMMUTABLE.update(mOptionName, mCurrent, mUpdate);
fail("ConfigurationException not thrown when updating an IMMUTABLE option");
} catch (ConfigurationException e) {
// expected
}
}
public void testInvalidComparison() throws Exception {
try {
// Strings aren't comparable with integers
OptionUpdateRule.GREATEST.update(mOptionName, 13, mUpdate);
fail("ConfigurationException not thrown for invalid comparison.");
} catch (ConfigurationException e) {
// Expected. Moreover, the exception should be actionable, so make sure we mention the
// specific mismatching types.
final String msg = e.getMessage();
assertTrue(msg.contains("Integer"));
assertTrue(msg.contains("String"));
}
}
public void testNotComparable() throws Exception {
try {
OptionUpdateRule.LEAST.update(mOptionName, new Exception("hi"), mUpdate);
} catch (ConfigurationException e) {
// expected
}
}
}
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