Fix Exchange crash when parsing abbreviated dates

Detect fully qualified and abbreviated date/time stamps in parseDateTime.
Previously parsed fully qualified forms like 20090211T180303Z; now also
parses 20090211.

Bug:14279251
Change-Id: I9a99ae16a5c1fe87b977fbebdba307baa653d539
This commit is contained in:
Jay Shrauner 2014-04-28 12:31:59 -07:00
parent 40de3040e9
commit 988d2b6e85
6 changed files with 139 additions and 783 deletions

View File

@ -53,6 +53,7 @@ import com.android.emailcommon.provider.EmailContent.Message;
import com.android.emailcommon.provider.HostAuth;
import com.android.emailcommon.provider.ProviderUnavailableException;
import com.android.mail.utils.LogUtils;
import com.google.common.annotations.VisibleForTesting;
import java.io.ByteArrayInputStream;
import java.io.File;
@ -64,6 +65,7 @@ import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.lang.ThreadLocal;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.ByteBuffer;
@ -71,8 +73,11 @@ import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashSet;
import java.util.Set;
@ -292,41 +297,77 @@ public class Utility {
return sb.toString();
}
private static class ThreadLocalDateFormat extends ThreadLocal<SimpleDateFormat> {
private final String mFormatStr;
public ThreadLocalDateFormat(String formatStr) {
mFormatStr = formatStr;
}
@Override
protected SimpleDateFormat initialValue() {
final SimpleDateFormat format = new SimpleDateFormat(mFormatStr);
final GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
format.setCalendar(cal);
return format;
}
public Date parse(String date) throws ParseException {
return super.get().parse(date);
}
}
/**
* Generate a time in milliseconds from a date string that represents a date/time in GMT
* @param date string in format 20090211T180303Z (rfc2445, iCalendar).
* @return the time in milliseconds (since Jan 1, 1970)
*/
public static long parseDateTimeToMillis(String date) {
GregorianCalendar cal = parseDateTimeToCalendar(date);
return cal.getTimeInMillis();
public static long parseDateTimeToMillis(String date) throws ParseException {
return parseDateTimeToCalendar(date).getTimeInMillis();
}
private static final ThreadLocalDateFormat mFullDateTimeFormat =
new ThreadLocalDateFormat("yyyyMMdd'T'HHmmss'Z'");
private static final ThreadLocalDateFormat mAbbrevDateTimeFormat =
new ThreadLocalDateFormat("yyyyMMdd");
/**
* Generate a GregorianCalendar from a date string that represents a date/time in GMT
* @param date string in format 20090211T180303Z (rfc2445, iCalendar).
* @param date string in format 20090211T180303Z (rfc2445, iCalendar), or
* in abbreviated format 20090211.
* @return the GregorianCalendar
*/
public static GregorianCalendar parseDateTimeToCalendar(String date) {
GregorianCalendar cal = new GregorianCalendar(Integer.parseInt(date.substring(0, 4)),
Integer.parseInt(date.substring(4, 6)) - 1, Integer.parseInt(date.substring(6, 8)),
Integer.parseInt(date.substring(9, 11)), Integer.parseInt(date.substring(11, 13)),
Integer.parseInt(date.substring(13, 15)));
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
@VisibleForTesting
public static GregorianCalendar parseDateTimeToCalendar(String date) throws ParseException {
final GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
if (date.length() <= 8) {
cal.setTime(mAbbrevDateTimeFormat.parse(date));
} else {
cal.setTime(mFullDateTimeFormat.parse(date));
}
return cal;
}
private static final ThreadLocalDateFormat mEmailDateTimeFormat =
new ThreadLocalDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
private static final ThreadLocalDateFormat mEmailDateTimeFormatWithMillis =
new ThreadLocalDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
/**
* Generate a time in milliseconds from an email date string that represents a date/time in GMT
* @param date string in format 2010-02-23T16:00:00.000Z (ISO 8601, rfc3339)
* @return the time in milliseconds (since Jan 1, 1970)
*/
public static long parseEmailDateTimeToMillis(String date) {
GregorianCalendar cal = new GregorianCalendar(Integer.parseInt(date.substring(0, 4)),
Integer.parseInt(date.substring(5, 7)) - 1, Integer.parseInt(date.substring(8, 10)),
Integer.parseInt(date.substring(11, 13)), Integer.parseInt(date.substring(14, 16)),
Integer.parseInt(date.substring(17, 19)));
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
@VisibleForTesting
public static long parseEmailDateTimeToMillis(String date) throws ParseException {
final GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
if (date.length() <= 20) {
cal.setTime(mEmailDateTimeFormat.parse(date));
} else {
cal.setTime(mEmailDateTimeFormatWithMillis.parse(date));
}
return cal.getTimeInMillis();
}

View File

@ -29,6 +29,8 @@ import com.android.emailcommon.mail.PackedString;
import com.android.emailcommon.provider.EmailContent.Message;
import com.android.emailcommon.utility.Utility;
import java.text.ParseException;
public class EventViewer extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
@ -62,8 +64,13 @@ public class EventViewer extends Activity {
if (eventId != -1) {
uri = ContentUris.withAppendedId(CalendarContract.Events.CONTENT_URI, eventId);
} else {
long time =
Utility.parseEmailDateTimeToMillis(info.get(MeetingInfo.MEETING_DTSTART));
long time;
try {
time = Utility.parseEmailDateTimeToMillis(info.get(MeetingInfo.MEETING_DTSTART));
} catch (ParseException e) {
finish();
return;
}
uri = Uri.parse("content://com.android.calendar/time/" + time);
intent.putExtra("VIEW", "DAY");
}

View File

@ -1,96 +0,0 @@
/*
* 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.email;
import android.content.Context;
import android.test.InstrumentationTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.test.suitebuilder.annotation.Suppress;
import com.android.email.provider.ProviderTestUtils;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.utility.Utility;
import java.util.ArrayList;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* Large tests for {@link Utility}.
*/
@Suppress
@LargeTest
public class UtilityLargeTest extends InstrumentationTestCase {
private static final int WAIT_UNTIL_TIMEOUT_SECONDS = 10;
// Isolted Context for providers.
private Context mProviderContext;
@Override
protected void setUp() throws Exception {
super.setUp();
mProviderContext = DBTestHelper.ProviderContextSetupHelper.getProviderContext(
getInstrumentation().getTargetContext());
}
public void testForEachAccount() throws Throwable {
// Create some accounts...
Account acct1 = ProviderTestUtils.setupAccount("acct1", true, mProviderContext);
Account acct2 = ProviderTestUtils.setupAccount("acct2", true, mProviderContext);
final ArrayList<Long> ids = new ArrayList<Long>(); // Account id array.
final AtomicBoolean done = new AtomicBoolean(false);
// Kick ForEachAccount and collect IDs...
// AsyncTask needs to be created on the UI thread.
runTestOnUiThread(new Runnable() {
@Override
public void run() {
new Utility.ForEachAccount(mProviderContext) {
@Override
protected void performAction(long accountId) {
synchronized (ids) {
ids.add(accountId);
}
}
@Override
protected void onFinished() {
done.set(true);
}
}.execute();
}
});
// Wait until it's done...
TestUtils.waitUntil(new TestUtils.Condition() {
@Override
public boolean isMet() {
return done.get();
}
}, WAIT_UNTIL_TIMEOUT_SECONDS);
// Check the collected IDs.
synchronized (ids) {
assertEquals(2, ids.size());
// ids may not be sorted, so...
assertTrue(ids.contains(acct1.mId));
assertTrue(ids.contains(acct2.mId));
}
}
}

View File

@ -1,248 +0,0 @@
/*
* 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.emailcommon.utility;
import android.content.Context;
import android.net.Uri;
import android.test.ProviderTestCase2;
import android.test.suitebuilder.annotation.MediumTest;
import android.test.suitebuilder.annotation.Suppress;
import com.android.email.provider.EmailProvider;
import com.android.email.provider.ProviderTestUtils;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.provider.EmailContent;
import com.android.emailcommon.provider.EmailContent.AccountColumns;
import com.android.emailcommon.provider.EmailContent.Attachment;
import com.android.emailcommon.provider.EmailContent.Message;
import com.android.emailcommon.provider.Mailbox;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
/**
* This is a series of medium tests for the Utility class. These tests must be locally
* complete - no server(s) required.
*
* You can run this entire test case with:
* runtest -c com.android.emailcommon.utility.UtilityMediumTests email
*/
@Suppress
@MediumTest
public class UtilityMediumTests extends ProviderTestCase2<EmailProvider> {
EmailProvider mProvider;
Context mMockContext;
public UtilityMediumTests() {
super(EmailProvider.class, EmailContent.AUTHORITY);
}
@Override
public void setUp() throws Exception {
super.setUp();
mMockContext = getMockContext();
}
public void testFindExistingAccount() {
// Create two accounts
Account account1 = ProviderTestUtils.setupAccount("account1", false, mMockContext);
account1.mHostAuthRecv = ProviderTestUtils.setupHostAuth("ha1", -1, false, mMockContext);
account1.mHostAuthSend = ProviderTestUtils.setupHostAuth("ha1", -1, false, mMockContext);
account1.save(mMockContext);
Account account2 = ProviderTestUtils.setupAccount("account2", false, mMockContext);
account2.mHostAuthRecv = ProviderTestUtils.setupHostAuth("ha2", -1, false, mMockContext);
account2.mHostAuthSend = ProviderTestUtils.setupHostAuth("ha2", -1, false, mMockContext);
account2.save(mMockContext);
// Make sure we can find them
Account acct = Utility.findExistingAccount(mMockContext, -1, "address-ha1", "login-ha1");
assertNotNull(acct);
assertEquals("account1", acct.mDisplayName);
acct = Utility.findExistingAccount(mMockContext, -1, "address-ha2", "login-ha2");
assertNotNull(acct);
assertEquals("account2", acct.mDisplayName);
// We shouldn't find account
acct = Utility.findExistingAccount(mMockContext, -1, "address-ha3", "login-ha3");
assertNull(acct);
// Try to find account1, excluding account1
acct = Utility.findExistingAccount(mMockContext, account1.mId, "address-ha1", "login-ha1");
assertNull(acct);
// Make sure we properly handle an underscore in the login name
Account account3 = ProviderTestUtils.setupAccount("account3", false, mMockContext);
account3.mHostAuthRecv = ProviderTestUtils.setupHostAuth("foo_ba", -1, false, mMockContext);
account3.mHostAuthSend = ProviderTestUtils.setupHostAuth("foo_ba", -1, false, mMockContext);
account3.save(mMockContext);
acct = Utility.findExistingAccount(mMockContext, -1, "address-foo_ba", "login-foo.ba");
assertNull(acct);
acct = Utility.findExistingAccount(mMockContext, -1, "address-foo_ba", "login-foo_ba");
assertNotNull(acct);
}
public void testAttachmentExists() throws IOException {
Account account = ProviderTestUtils.setupAccount("account", true, mMockContext);
// We return false with null attachment
assertFalse(Utility.attachmentExists(mMockContext, null));
Mailbox mailbox =
ProviderTestUtils.setupMailbox("mailbox", account.mId, true, mMockContext);
Message message = ProviderTestUtils.setupMessage("foo", account.mId, mailbox.mId, false,
true, mMockContext);
Attachment attachment = ProviderTestUtils.setupAttachment(message.mId, "filename.ext",
69105, true, mMockContext);
attachment.mContentBytes = null;
// With no contentUri, we should return false
assertFalse(Utility.attachmentExists(mMockContext, attachment));
attachment.mContentBytes = new byte[0];
// With contentBytes set, we should return true
assertTrue(Utility.attachmentExists(mMockContext, attachment));
attachment.mContentBytes = null;
// Generate a file name in our data directory, and use that for contentUri
File file = mMockContext.getFileStreamPath("test.att");
// Delete the file if it already exists
if (file.exists()) {
assertTrue(file.delete());
}
// Should return false, because the file doesn't exist
assertFalse(Utility.attachmentExists(mMockContext, attachment));
assertTrue(file.createNewFile());
// Put something in the file
FileWriter writer = new FileWriter(file);
writer.write("Foo");
writer.flush();
writer.close();
attachment.setContentUri("file://" + file.getAbsolutePath());
// Now, this should return true
assertTrue(Utility.attachmentExists(mMockContext, attachment));
}
public void testBuildLimitOneUri() {
// EmailProvider supports "?limit="
assertEquals(Uri.parse("content://com.android.mail.provider?limit=1"),
Utility.buildLimitOneUri(Uri.parse("content://com.android.mail.provider")));
// Others don't -- so don't add it.
assertEquals(Uri.parse("content://com.android.mail.attachmentprovider"),
Utility.buildLimitOneUri(Uri.parse("content://com.android.mail.attachmentprovider"
)));
assertEquals(Uri.parse("content://gmail-ls/android@gmail.com"),
Utility.buildLimitOneUri(Uri.parse("content://gmail-ls/android@gmail.com"
)));
}
public void testGetFirstRowLong() {
Account account1 = ProviderTestUtils.setupAccount("1", true, mMockContext);
Account account2 = ProviderTestUtils.setupAccount("X1", true, mMockContext);
Account account3 = ProviderTestUtils.setupAccount("X2", true, mMockContext);
// case 1. Account found
assertEquals((Long) account2.mId, Utility.getFirstRowLong(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"X%"},
AccountColumns.DISPLAY_NAME,
EmailContent.ID_PROJECTION_COLUMN));
// different sort order
assertEquals((Long) account3.mId, Utility.getFirstRowLong(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"X%"},
AccountColumns.DISPLAY_NAME + " desc",
EmailContent.ID_PROJECTION_COLUMN));
// case 2. no row found
assertEquals(null, Utility.getFirstRowLong(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"NO SUCH ACCOUNT"},
null,
EmailContent.ID_PROJECTION_COLUMN));
// case 3. no row found with default value
assertEquals((Long) (-1L), Utility.getFirstRowLong(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"NO SUCH ACCOUNT"},
null,
EmailContent.ID_PROJECTION_COLUMN, -1L));
}
public void testGetFirstRowInt() {
Account account1 = ProviderTestUtils.setupAccount("1", true, mMockContext);
Account account2 = ProviderTestUtils.setupAccount("X1", true, mMockContext);
Account account3 = ProviderTestUtils.setupAccount("X2", true, mMockContext);
// case 1. Account found
assertEquals((Integer)(int) account2.mId, Utility.getFirstRowInt(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"X%"},
AccountColumns.DISPLAY_NAME,
EmailContent.ID_PROJECTION_COLUMN));
// different sort order
assertEquals((Integer)(int) account3.mId, Utility.getFirstRowInt(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"X%"},
AccountColumns.DISPLAY_NAME + " desc",
EmailContent.ID_PROJECTION_COLUMN));
// case 2. no row found
assertEquals(null, Utility.getFirstRowInt(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"NO SUCH ACCOUNT"},
null,
EmailContent.ID_PROJECTION_COLUMN));
// case 3. no row found with default value
assertEquals((Integer) (-1), Utility.getFirstRowInt(
mMockContext, Account.CONTENT_URI, EmailContent.ID_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"NO SUCH ACCOUNT"},
null,
EmailContent.ID_PROJECTION_COLUMN, -1));
}
public void testGetFirstRowString() {
final String[] DISPLAY_NAME_PROJECTION = new String[] {AccountColumns.DISPLAY_NAME};
Account account1 = ProviderTestUtils.setupAccount("1", true, mMockContext);
Account account2 = ProviderTestUtils.setupAccount("X1", true, mMockContext);
Account account3 = ProviderTestUtils.setupAccount("X2", true, mMockContext);
// case 1. Account found
assertEquals(account2.mDisplayName, Utility.getFirstRowString(
mMockContext, Account.CONTENT_URI, DISPLAY_NAME_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"X%"},
AccountColumns.DISPLAY_NAME, 0));
// different sort order
assertEquals(account3.mDisplayName, Utility.getFirstRowString(
mMockContext, Account.CONTENT_URI, DISPLAY_NAME_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"X%"},
AccountColumns.DISPLAY_NAME + " desc", 0));
// case 2. no row found
assertEquals(null, Utility.getFirstRowString(
mMockContext, Account.CONTENT_URI, DISPLAY_NAME_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"NO SUCH ACCOUNT"},
null, 0));
// case 3. no row found with default value
assertEquals("-", Utility.getFirstRowString(
mMockContext, Account.CONTENT_URI, DISPLAY_NAME_PROJECTION,
AccountColumns.DISPLAY_NAME + " like :1", new String[] {"NO SUCH ACCOUNT"},
null, 0, "-"));
}
}

View File

@ -0,0 +1,73 @@
/*
* 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.emailcommon.utility;
import android.test.suitebuilder.annotation.SmallTest;
import java.text.ParseException;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.TimeZone;
import junit.framework.TestCase;
@SmallTest
public class UtilityTest extends TestCase {
private void testParseDateTimesHelper(String date, int year, int month,
int day, int hour, int minute, int second) throws Exception {
GregorianCalendar cal = Utility.parseDateTimeToCalendar(date);
assertEquals(year, cal.get(Calendar.YEAR));
assertEquals(month, cal.get(Calendar.MONTH) + 1);
assertEquals(day, cal.get(Calendar.DAY_OF_MONTH));
assertEquals(hour, cal.get(Calendar.HOUR_OF_DAY));
assertEquals(minute, cal.get(Calendar.MINUTE));
assertEquals(second, cal.get(Calendar.SECOND));
}
@SmallTest
public void testParseDateTimes() throws Exception {
testParseDateTimesHelper("20090211T180303Z", 2009, 2, 11, 18, 3, 3);
testParseDateTimesHelper("20090211", 2009, 2, 11, 0, 0, 0);
try {
testParseDateTimesHelper("200902", 0, 0, 0, 0, 0, 0);
fail("Expected ParseException");
} catch (ParseException e) {
// expected
}
}
private void testParseEmailDateTimeHelper(String date, int year, int month,
int day, int hour, int minute, int second, int millis) throws Exception {
GregorianCalendar cal = new GregorianCalendar(year, month - 1, day,
hour, minute, second);
cal.setTimeZone(TimeZone.getTimeZone("GMT"));
long timeInMillis = Utility.parseEmailDateTimeToMillis(date);
assertEquals(cal.getTimeInMillis() + millis, timeInMillis);
}
@SmallTest
public void testParseEmailDateTime() throws Exception {
testParseEmailDateTimeHelper("2010-02-23T16:01:05.000Z",
2010, 2, 23, 16, 1, 5, 0);
testParseEmailDateTimeHelper("2009-02-11T18:03:31.123Z",
2009, 2, 11, 18, 3, 31, 123);
try {
testParseEmailDateTimeHelper("2010-02-23", 1970, 1, 1, 0, 0, 0, 0);
fail("Expected ParseException");
} catch (ParseException e) {
// expected
}
}
}

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@ -1,421 +0,0 @@
/*
* Copyright (C) 2008 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.emailcommon.utility;
import android.content.Context;
import android.database.Cursor;
import android.database.CursorWrapper;
import android.net.Uri;
import android.os.Environment;
import android.test.AndroidTestCase;
import android.test.MoreAsserts;
import android.test.suitebuilder.annotation.SmallTest;
import android.test.suitebuilder.annotation.Suppress;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.widget.TextView;
import com.android.email.DBTestHelper;
import com.android.email.TestUtils;
import com.android.email.provider.ProviderTestUtils;
import com.android.emailcommon.provider.Account;
import com.android.emailcommon.provider.EmailContent.Attachment;
import com.android.emailcommon.provider.Mailbox;
import com.android.emailcommon.utility.Utility.NewFileCreator;
import com.android.mail.utils.MatrixCursorWithCachedColumns;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
/**
* This is a series of unit tests for the Utility class. These tests must be locally
* complete - no server(s) required.
*
* You can run this entire test case with:
* runtest -c com.android.email.UtilityUnitTests email
*/
@Suppress
@SmallTest
public class UtilityUnitTests extends AndroidTestCase {
private static byte[] b(int... array) {
return TestUtils.b(array);
}
public void testToUtf8() {
assertNull(Utility.toUtf8(null));
MoreAsserts.assertEquals(new byte[] {}, Utility.toUtf8(""));
MoreAsserts.assertEquals(b('a'), Utility.toUtf8("a"));
MoreAsserts.assertEquals(b('A', 'B', 'C'), Utility.toUtf8("ABC"));
MoreAsserts.assertEquals(b(0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E),
Utility.toUtf8("\u65E5\u672C\u8A9E"));
}
public void testFromUtf8() {
assertNull(Utility.fromUtf8(null));
assertEquals("", Utility.fromUtf8(new byte[] {}));
assertEquals("a", Utility.fromUtf8(b('a')));
assertEquals("ABC", Utility.fromUtf8(b('A', 'B', 'C')));
assertEquals("\u65E5\u672C\u8A9E",
Utility.fromUtf8(b(0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E)));
}
public void testIsFirstUtf8Byte() {
// 1 byte in UTF-8.
checkIsFirstUtf8Byte("0"); // First 2 bits: 00
checkIsFirstUtf8Byte("A"); // First 2 bits: 01
checkIsFirstUtf8Byte("\u00A2"); // 2 bytes in UTF-8.
checkIsFirstUtf8Byte("\u20AC"); // 3 bytes in UTF-8.
checkIsFirstUtf8Byte("\uD852\uDF62"); // 4 bytes in UTF-8. (surrogate pair)
}
private void checkIsFirstUtf8Byte(String aChar) {
byte[] bytes = Utility.toUtf8(aChar);
assertTrue("0", Utility.isFirstUtf8Byte(bytes[0]));
for (int i = 1; i < bytes.length; i++) {
assertFalse(Integer.toString(i), Utility.isFirstUtf8Byte(bytes[i]));
}
}
public void testByteToHex() {
for (int i = 0; i <= 0xFF; i++) {
String hex = Utility.byteToHex((byte) i);
assertEquals("val=" + i, 2, hex.length());
assertEquals("val=" + i, i, Integer.parseInt(hex, 16));
}
}
public void testReplaceBareLfWithCrlf() {
assertEquals("", Utility.replaceBareLfWithCrlf(""));
assertEquals("", Utility.replaceBareLfWithCrlf("\r"));
assertEquals("\r\n", Utility.replaceBareLfWithCrlf("\r\n"));
assertEquals("\r\n", Utility.replaceBareLfWithCrlf("\n"));
assertEquals("\r\n\r\n\r\n", Utility.replaceBareLfWithCrlf("\n\n\n"));
assertEquals("A\r\nB\r\nC\r\nD", Utility.replaceBareLfWithCrlf("A\nB\r\nC\nD"));
}
public void testGetSmallHash() {
assertEquals("1438642069", Utility.getSmallHash(""));
assertEquals("1354919068", Utility.getSmallHash("abc"));
}
public void testGetSmallSha1() {
byte[] sha1 = new byte[20];
// White box test. Not so great, but to make sure it may detect careless mistakes...
assertEquals(0, Utility.getSmallHashFromSha1(sha1));
for (int i = 0; i < sha1.length; i++) {
sha1[i] = (byte) 0xFF;
}
assertEquals(Integer.MAX_VALUE, Utility.getSmallHashFromSha1(sha1));
// Boundary check
for (int i = 0; i < 16; i++) {
sha1[19] = (byte) i;
Utility.getSmallHashFromSha1(sha1);
}
}
public void brokentestCleanUpMimeDate() {
assertNull(Utility.cleanUpMimeDate(null));
assertEquals("", Utility.cleanUpMimeDate(""));
assertEquals("abc", Utility.cleanUpMimeDate("abc"));
assertEquals("GMT", Utility.cleanUpMimeDate("GMT"));
assertEquals("0000", Utility.cleanUpMimeDate("0000"));
assertEquals("-0000", Utility.cleanUpMimeDate("-0000"));
assertEquals("+1234", Utility.cleanUpMimeDate("GMT+1234"));
assertEquals("-1234", Utility.cleanUpMimeDate("GMT-1234"));
assertEquals("gmt-1234", Utility.cleanUpMimeDate("gmt-1234"));
assertEquals("GMT-123", Utility.cleanUpMimeDate("GMT-123"));
assertEquals("Thu, 10 Dec 09 15:08:08 -0700",
Utility.cleanUpMimeDate("Thu, 10 Dec 09 15:08:08 GMT-0700"));
assertEquals("Thu, 10 Dec 09 15:08:08 -0700",
Utility.cleanUpMimeDate("Thu, 10 Dec 09 15:08:08 -0700"));
}
private static class MyNewFileCreator implements NewFileCreator {
private final HashSet<String> mExistingFileNames;
public MyNewFileCreator(String... fileNames) {
mExistingFileNames = new HashSet<String>();
for (String f : fileNames) {
mExistingFileNames.add(f);
}
}
@Override public boolean createNewFile(File f) {
return !mExistingFileNames.contains(f.getAbsolutePath());
}
}
public void testCreateUniqueFile() throws Exception {
final MyNewFileCreator noFiles = new MyNewFileCreator();
// Case 1: Files don't exist.
checkCreateUniqueFile("/a", noFiles, "/", "a");
checkCreateUniqueFile("/a.txt", noFiles, "/", "a.txt");
checkCreateUniqueFile("/a/b/a", noFiles, "/a/b", "a");
checkCreateUniqueFile("/a/b/a.txt", noFiles, "/a/b", "a.txt");
// Case 2: Files exist already.
final MyNewFileCreator files = new MyNewFileCreator(
"/a", "/a.txt", "/a/b/a", "/a/b/a.txt",
"/a-2.txt",
"/a/b/a-2", "/a/b/a-3",
"/a/b/a-2.txt", "/a/b/a-3.txt", "/a/b/a-4.txt"
);
checkCreateUniqueFile("/a-2", files, "/", "a");
checkCreateUniqueFile("/a-3.txt", files, "/", "a.txt");
checkCreateUniqueFile("/a/b/a-4", files, "/a/b", "a");
checkCreateUniqueFile("/a/b/a-5.txt", files, "/a/b", "a.txt");
}
private void checkCreateUniqueFile(String expectedFileName, NewFileCreator nfc,
String dir, String fileName) throws Exception {
assertEquals(expectedFileName,
Utility.createUniqueFileInternal(nfc, new File(dir), fileName).toString());
}
/**
* Test that we have the necessary permissions to write to external storage.
*/
public void testExternalStoragePermissions() throws FileNotFoundException, IOException {
File file = null;
try {
// If there's no storage available, this test is moot
if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
return;
}
file = Utility.createUniqueFile(Environment.getExternalStorageDirectory(),
"write-test");
OutputStream out = new FileOutputStream(file);
out.write(1);
out.close();
} finally {
try {
if (file != null) {
if (file.exists()) {
file.delete();
}
}
} catch (Exception e) {
// ignore cleanup error - it still throws the original
}
}
}
public void testIsPortFieldValid() {
TextView view = new TextView(getContext());
// null, empty, negative, and non integer strings aren't valid
view.setText(null);
assertFalse(Utility.isPortFieldValid(view));
view.setText("");
assertFalse(Utility.isPortFieldValid(view));
view.setText("-1");
assertFalse(Utility.isPortFieldValid(view));
view.setText("1403.75");
assertFalse(Utility.isPortFieldValid(view));
view.setText("0");
assertFalse(Utility.isPortFieldValid(view));
view.setText("65536");
assertFalse(Utility.isPortFieldValid(view));
view.setText("i'm not valid");
assertFalse(Utility.isPortFieldValid(view));
// These next values are valid
view.setText("1");
assertTrue(Utility.isPortFieldValid(view));
view.setText("65535");
assertTrue(Utility.isPortFieldValid(view));
}
public void testToPrimitiveLongArray() {
assertEquals(0, Utility.toPrimitiveLongArray(createLongCollection()).length);
final long[] one = Utility.toPrimitiveLongArray(createLongCollection(1));
assertEquals(1, one.length);
assertEquals(1, one[0]);
final long[] two = Utility.toPrimitiveLongArray(createLongCollection(3, 4));
assertEquals(2, two.length);
assertEquals(3, two[0]);
assertEquals(4, two[1]);
}
public void testToLongSet() {
assertEquals(0, Utility.toLongSet(new long[] {}).size());
final Set<Long> one = Utility.toLongSet(new long[] {1});
assertEquals(1, one.size());
assertTrue(one.contains(1L));
final Set<Long> two = Utility.toLongSet(new long[] {1, 2});
assertEquals(2, two.size());
assertTrue(two.contains(1L));
assertTrue(two.contains(2L));
}
public void testGetContentFileName() throws Exception {
Context providerContext = DBTestHelper.ProviderContextSetupHelper.getProviderContext(
mContext);
final long ACCOUNT_ID = 1;
final long MESSAGE_ID = 10;
Account account = ProviderTestUtils.setupAccount("account", true, providerContext);
Mailbox mailbox = ProviderTestUtils.setupMailbox("box", account.mId, true, providerContext);
// Set up an attachment.
Attachment att = ProviderTestUtils.setupAttachment(mailbox.mId, "name", 123, true,
providerContext);
long attachmentId = att.mId;
Uri uri = AttachmentUtilities.getAttachmentUri(account.mId, attachmentId);
// Case 1: exists in the provider.
assertEquals("name", Utility.getContentFileName(providerContext, uri));
// Case 2: doesn't exist in the provider
Uri notExistUri = AttachmentUtilities.getAttachmentUri(account.mId, 123456789);
String lastPathSegment = notExistUri.getLastPathSegment();
assertEquals(lastPathSegment, Utility.getContentFileName(providerContext, notExistUri));
}
// used by testToPrimitiveLongArray
private static Collection<Long> createLongCollection(long... values) {
ArrayList<Long> ret = new ArrayList<Long>();
for (long value : values) {
ret.add(value);
}
return ret;
}
public void testDumpCursor() {
// Just make sure the method won't crash and returns non-empty string.
final Cursor c1 = new MatrixCursorWithCachedColumns(new String[] {"col"});
final Cursor c2 = new CursorWrapper(c1);
// Note it's a subclass of CursorWrapper.
final Cursor c3 = new CursorWrapper(c2) {
};
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(c1)));
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(c2)));
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(c3)));
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(null)));
// Test again with closed cursor.
c1.close();
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(c1)));
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(c2)));
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(c3)));
assertFalse(TextUtils.isEmpty(Utility.dumpCursor(null)));
}
public void testCloseTraceCursorWrapper() {
final Cursor org = new MatrixCursorWithCachedColumns(new String[] {"col"});
final Utility.CloseTraceCursorWrapper c =
Utility.CloseTraceCursorWrapper.alwaysCreateForTest(org);
// Not closed -- no stack trace
assertNull(Utility.CloseTraceCursorWrapper.getTraceIfAvailable(c));
Utility.CloseTraceCursorWrapper.log(c); // shouldn't crash
// Close, now stack trace should be available
c.close();
assertNotNull(Utility.CloseTraceCursorWrapper.getTraceIfAvailable(c));
Utility.CloseTraceCursorWrapper.log(c);
// shouldn't crash
Utility.CloseTraceCursorWrapper.log(null);
}
public void brokentestAppendBold() {
SpannableStringBuilder ssb = new SpannableStringBuilder();
ssb.append("no");
assertEquals(ssb, Utility.appendBold(ssb, "BO"));
assertEquals("noBO", ssb.toString());
// TODO check style -- but how?
}
public void testAreStringsEqual() {
String s1;
String s2;
s1 = new String("Foo");
s2 = s1;
assertTrue(Utility.areStringsEqual(s1, s2));
s2 = new String("Foo");
assertTrue(Utility.areStringsEqual(s1, s2));
s2 = "Bar";
assertFalse(Utility.areStringsEqual(s1, s2));
s2 = null;
assertFalse(Utility.areStringsEqual(s1, s2));
s1 = null;
s2 = "Bar";
assertFalse(Utility.areStringsEqual(s1, s2));
s1 = null;
s2 = null;
assertTrue(Utility.areStringsEqual(s1, s2));
}
public void testIsServerNameValid() {
assertTrue(Utility.isServerNameValid("a"));
assertTrue(Utility.isServerNameValid("gmail"));
assertTrue(Utility.isServerNameValid("gmail.com"));
assertTrue(Utility.isServerNameValid("gmail.com.x.y.z"));
assertTrue(Utility.isServerNameValid(" gmail.com.x.y.z "));
assertFalse(Utility.isServerNameValid(""));
assertFalse(Utility.isServerNameValid("$"));
assertFalse(Utility.isServerNameValid(" "));
}
private static Collection<Long> toColleciton(long... values) {
ArrayList<Long> ret = new ArrayList<Long>();
for (long v : values) {
ret.add(v);
}
return ret;
}
public void brokentestBuildInSelection() {
assertEquals("", Utility.buildInSelection("c", null));
assertEquals("", Utility.buildInSelection("c", toColleciton()));
assertEquals("c in (1)", Utility.buildInSelection("c", toColleciton(1)));
assertEquals("c in (1,2)", Utility.buildInSelection("c", toColleciton(1, 2)));
assertEquals("c in (1,2,-500)", Utility.buildInSelection("c", toColleciton(1, 2, -500)));
}
}