Added tests on JVM.

tests-on-jvm/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/k9mail"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
+	<classpathentry kind="output" path="bin/classes"/>
+</classpath>

tests-on-jvm/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>tests-on-jvm</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

tests-on-jvm/src/android/util/Log.java

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+package android.util;
+
+public class Log {
+    public static int v(String tag, String message) { return 0; }
+    public static int d(String tag, String message) { return 0; }
+    public static int i(String tag, String message) { return 0; }
+    public static int w(String tag, String message) { return 0; }
+    public static int e(String tag, String message) { return 0; }
+    public static int e(String tag, String message, Throwable th) { return 0; }
+}

tests-on-jvm/src/com/fsck/k9/mail/internet/DecoderUtilTest.java

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+package com.fsck.k9.mail.internet;
+
+import junit.framework.TestCase;
+
+public class DecoderUtilTest extends TestCase {
+
+    protected void setUp() throws Exception {
+        super.setUp();
+    }
+
+    protected void tearDown() throws Exception {
+        super.tearDown();
+    }
+
+    public void testDecodeEncodedWords() {
+        String body, expect;
+        MimeMessage message;
+
+        body = "abc";
+        expect = "abc";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?us-ascii?q?abc?=";
+        expect = "abc";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?";
+        expect = "=?";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=??";
+        expect = "=??";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=???";
+        expect = "=???";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=????";
+        expect = "=????";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=????=";
+        expect = "=????=";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=??q??=";
+        expect = "=??q??=";;
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=??q?a?=";
+        expect = "a";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=??=";
+        expect = "=??=";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?x?=";
+        expect = "=?x?=";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?x??=";
+        expect = "=?x??=";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?x?q?=";
+        expect = "=?x?q?=";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?x?q??=";
+        expect = "=?x?q??=";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?x?q?X?=";
+        expect = "X";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        // invalid base64 string
+        body = "=?us-ascii?b?abc?=";
+        expect = "";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        // broken encoded header
+        body = "=?us-ascii?q?abc?= =?";
+        expect = "abc =?";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+
+        body = "=?x?= =?";
+        expect = "=?x?= =?";
+        message = null;
+        assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
+    }
+}

tests-on-jvm/src/com/fsck/k9/mail/internet/MimeUtilityTest.java

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+package com.fsck.k9.mail.internet;
+
+import java.util.Locale;
+
+import com.fsck.k9.K9;
+import com.fsck.k9.mail.MessagingException;
+
+import junit.framework.TestCase;
+
+public class MimeUtilityTest extends TestCase {
+
+    protected void setUp() throws Exception {
+        super.setUp();
+    }
+
+    protected void tearDown() throws Exception {
+        super.tearDown();
+    }
+
+    public void testGetHeaderParameter() {
+        String result;
+
+        /* Test edge cases */
+        result = MimeUtility.getHeaderParameter(";", null);
+        assertEquals(null, result);
+
+        result = MimeUtility.getHeaderParameter("name", "name");
+        assertEquals(null, result);
+
+        result = MimeUtility.getHeaderParameter("name=", "name");
+        assertEquals("", result);
+
+        result = MimeUtility.getHeaderParameter("name=\"", "name");
+        assertEquals("\"", result);
+
+        /* Test expected cases */
+        result = MimeUtility.getHeaderParameter("name=value", "name");
+        assertEquals("value", result);
+
+        result = MimeUtility.getHeaderParameter("name = value", "name");
+        assertEquals("value", result);
+
+        result = MimeUtility.getHeaderParameter("name=\"value\"", "name");
+        assertEquals("value", result);
+
+        result = MimeUtility.getHeaderParameter("name = \"value\"" , "name");
+        assertEquals("value", result);
+
+        result = MimeUtility.getHeaderParameter("name=\"\"", "name");
+        assertEquals("", result);
+
+        result = MimeUtility.getHeaderParameter("text/html ; charset=\"windows-1251\"", null);
+        assertEquals("text/html", result);
+
+        result = MimeUtility.getHeaderParameter("text/HTML ; charset=\"windows-1251\"", null);
+        assertEquals("text/HTML", result);
+    }
+
+    public void testFixupCharset() throws MessagingException {
+        String charsetOnMail;
+        String expect;
+
+        charsetOnMail = "CP932";
+        expect = "shift_jis";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, new MimeMessage()));
+
+//        charsetOnMail = "koi8-u";
+//        expect = "koi8-r";
+//        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, new MimeMessage()));
+
+        MimeMessage message;
+
+        message= new MimeMessage();
+        message.setHeader("From", "aaa@docomo.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-docomo-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@dwmail.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-docomo-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@pdx.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-docomo-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@willcom.com");
+        charsetOnMail = "shift_jis";
+        expect = "x-docomo-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@emnet.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-docomo-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@emobile.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-docomo-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@softbank.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-softbank-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@vodafone.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-softbank-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@disney.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-softbank-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@vertuclub.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-softbank-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@ezweb.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-kddi-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+        message = new MimeMessage();
+        message.setHeader("From", "aaa@ido.ne.jp");
+        charsetOnMail = "shift_jis";
+        expect = "x-kddi-shift_jis-2007";
+        assertEquals(expect, MimeUtility.fixupCharset(charsetOnMail, message));
+
+    }
+
+}