/*
* Copyright (C) 2015 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 android.text.format;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.format.Formatter.BytesResult;
import java.util.Locale;
public class FormatterTest extends AndroidTestCase {
private Locale mOriginalLocale;
@Override
protected void setUp() throws Exception {
super.setUp();
mOriginalLocale = mContext.getResources().getConfiguration().locale;
}
@Override
protected void tearDown() throws Exception {
if (mOriginalLocale != null) {
setLocale(mOriginalLocale);
}
super.tearDown();
}
private void setLocale(Locale locale) {
Resources res = getContext().getResources();
Configuration config = res.getConfiguration();
config.locale = locale;
res.updateConfiguration(config, res.getDisplayMetrics());
Locale.setDefault(locale);
}
@SmallTest
public void testFormatBytes() {
setLocale(Locale.ENGLISH);
checkFormatBytes(0, true, "0.00", 0);
checkFormatBytes(0, false, "0.00", 0);
checkFormatBytes(1, true, "1.0", 1);
checkFormatBytes(1, false, "1.00", 1);
checkFormatBytes(12, true, "12", 12);
checkFormatBytes(12, false, "12.00", 12);
checkFormatBytes(123, true, "123", 123);
checkFormatBytes(123, false, "123", 123);
checkFormatBytes(812, true, "812", 812);
checkFormatBytes(812, false, "812", 812);
checkFormatBytes(912, true, "0.89", 911);
checkFormatBytes(912, false, "0.89", 911);
checkFormatBytes(9123, true, "8.9", 9113);
checkFormatBytes(9123, false, "8.91", 9123);
checkFormatBytes(9123000, true, "8.7", 9122611);
checkFormatBytes(9123000, false, "8.70", 9122611);
// The method doesn't really support negative values, but apparently people pass -1...
checkFormatBytes(-1, true, "-1.00", -1);
checkFormatBytes(-1, false, "-1.00", -1);
// Missing FLAG_CALCULATE_ROUNDED case.
BytesResult r = Formatter.formatBytes(getContext().getResources(), 1, 0);
assertEquals("1.00", r.value);
assertEquals(0, r.roundedBytes); // Didn't pass FLAG_CALCULATE_ROUNDED
// Make sure it works on different locales.
setLocale(new Locale("es", "ES"));
checkFormatBytes(9123000, false, "8,70", 9122611);
}
private void checkFormatBytes(long bytes, boolean useShort,
String expectedString, long expectedRounded) {
BytesResult r = Formatter.formatBytes(getContext().getResources(), bytes,
Formatter.FLAG_CALCULATE_ROUNDED | (useShort ? Formatter.FLAG_SHORTER : 0));
assertEquals(expectedString, r.value);
assertEquals(expectedRounded, r.roundedBytes);
}
}