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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.email.mail.store.imap;
     18 
     19 import static com.android.email.mail.store.imap.ImapTestUtils.*;
     20 
     21 import com.android.email.Email;
     22 import com.android.email.Utility;
     23 import com.android.email.mail.store.imap.ImapMemoryLiteral;
     24 import com.android.email.mail.store.imap.ImapSimpleString;
     25 import com.android.email.mail.store.imap.ImapString;
     26 import com.android.email.mail.store.imap.ImapTempFileLiteral;
     27 
     28 import org.apache.commons.io.IOUtils;
     29 
     30 import android.test.AndroidTestCase;
     31 import android.test.suitebuilder.annotation.SmallTest;
     32 
     33 import java.io.IOException;
     34 import java.util.Date;
     35 import java.util.Locale;
     36 
     37 
     38 /**
     39  * Test for {@link ImapString} and its subclasses.
     40  */
     41 @SmallTest
     42 public class ImapStringTest extends AndroidTestCase {
     43 
     44     @Override
     45     protected void setUp() throws Exception {
     46         super.setUp();
     47         Email.setTempDirectory(getContext());
     48     }
     49 
     50     public void testEmpty() throws Exception {
     51         assertTrue(ImapString.EMPTY.isEmpty());
     52         assertEquals("", ImapString.EMPTY.getString());
     53         assertEquals("", Utility.fromAscii(IOUtils.toByteArray(ImapString.EMPTY.getAsStream())));
     54         assertFalse(ImapString.EMPTY.isNumber());
     55         assertFalse(ImapString.EMPTY.isDate());
     56 
     57         assertTrue(ImapString.EMPTY.is(""));
     58         assertTrue(ImapString.EMPTY.startsWith(""));
     59         assertFalse(ImapString.EMPTY.is("a"));
     60         assertFalse(ImapString.EMPTY.startsWith("a"));
     61 
     62         assertTrue(new ImapSimpleString(null).isEmpty());
     63     }
     64 
     65     public void testBasics() throws Exception {
     66         final ImapSimpleString s = new ImapSimpleString("AbcD");
     67         assertFalse(s.isEmpty());
     68         assertEquals("AbcD", s.getString());
     69         assertEquals("AbcD", Utility.fromAscii(IOUtils.toByteArray(s.getAsStream())));
     70 
     71         assertFalse(s.isNumber());
     72         assertFalse(s.isDate());
     73 
     74         assertFalse(s.is(null));
     75         assertFalse(s.is(""));
     76         assertTrue(s.is("abcd"));
     77         assertFalse(s.is("abc"));
     78 
     79         assertFalse(s.startsWith(null));
     80         assertTrue(s.startsWith(""));
     81         assertTrue(s.startsWith("a"));
     82         assertTrue(s.startsWith("abcd"));
     83         assertFalse(s.startsWith("Z"));
     84         assertFalse(s.startsWith("abcde"));
     85     }
     86 
     87     public void testGetNumberOrZero() {
     88         assertEquals(1234, new ImapSimpleString("1234").getNumberOrZero());
     89         assertEquals(-1, new ImapSimpleString("-1").getNumberOrZero());
     90         assertEquals(0, new ImapSimpleString("").getNumberOrZero());
     91         assertEquals(0, new ImapSimpleString("X").getNumberOrZero());
     92         assertEquals(0, new ImapSimpleString("1234E").getNumberOrZero());
     93 
     94         // Too large for 32 bit int
     95         assertEquals(0, new ImapSimpleString("99999999999999999999").getNumberOrZero());
     96     }
     97 
     98     public void testGetDateOrNull() {
     99         final ImapString date = new ImapSimpleString("01-Jan-2009 11:34:56 -0100");
    100 
    101         assertTrue(date.isDate());
    102         Date d = date.getDateOrNull();
    103         assertNotNull(d);
    104         assertEquals("1 Jan 2009 12:34:56 GMT", d.toGMTString());
    105 
    106         final ImapString nonDate = new ImapSimpleString("1234");
    107         assertFalse(nonDate.isDate());
    108         assertNull(nonDate.getDateOrNull());
    109     }
    110 
    111     /**
    112      * Confirms that getDateOrNull() works fine regardless of the current locale.
    113      */
    114     public void testGetDateOrNullOnDifferentLocales() throws Exception {
    115         Locale savedLocale = Locale.getDefault();
    116         try {
    117             Locale.setDefault(Locale.US);
    118             checkGetDateOrNullOnDifferentLocales();
    119             Locale.setDefault(Locale.JAPAN);
    120             checkGetDateOrNullOnDifferentLocales();
    121         } finally {
    122             Locale.setDefault(savedLocale);
    123         }
    124     }
    125 
    126     private static void checkGetDateOrNullOnDifferentLocales() throws Exception {
    127         ImapSimpleString s =  new ImapSimpleString("01-Jan-2009 11:34:56 -0100");
    128         assertEquals("1 Jan 2009 12:34:56 GMT", s.getDateOrNull().toGMTString());
    129     }
    130 
    131     /** Test for ImapMemoryLiteral */
    132     public void testImapMemoryLiteral() throws Exception {
    133         final String CONTENT = "abc";
    134         doLiteralTest(new ImapMemoryLiteral(createFixedLengthInputStream(CONTENT)), CONTENT);
    135     }
    136 
    137     /** Test for ImapTempFileLiteral */
    138     public void testImapTempFileLiteral() throws Exception {
    139         final String CONTENT = "def";
    140         ImapTempFileLiteral l = new ImapTempFileLiteral(createFixedLengthInputStream(CONTENT));
    141         doLiteralTest(l, CONTENT);
    142 
    143         // destroy() should remove the temp file.
    144         assertTrue(l.tempFileExistsForTest());
    145         l.destroy();
    146         assertFalse(l.tempFileExistsForTest());
    147     }
    148 
    149     private static void doLiteralTest(ImapString s, String content) throws IOException {
    150         assertEquals(content, s.getString());
    151         assertEquals(content, Utility.fromAscii(IOUtils.toByteArray(s.getAsStream())));
    152     }
    153 }
    154