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      1 /*
      2  * Copyright (C) 2007 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 android.text;
     18 
     19 import android.content.res.ColorStateList;
     20 import android.content.res.Resources;
     21 import android.graphics.Typeface;
     22 import android.test.suitebuilder.annotation.SmallTest;
     23 import android.text.style.ForegroundColorSpan;
     24 import android.text.style.QuoteSpan;
     25 import android.text.style.StrikethroughSpan;
     26 import android.text.style.StyleSpan;
     27 import android.text.style.SubscriptSpan;
     28 import android.text.style.SuperscriptSpan;
     29 import android.text.style.TextAppearanceSpan;
     30 import android.text.style.TypefaceSpan;
     31 import android.text.style.URLSpan;
     32 import android.text.style.UnderlineSpan;
     33 
     34 import junit.framework.TestCase;
     35 
     36 public class HtmlTest extends TestCase {
     37 
     38     @SmallTest
     39     public void testSingleTagOnWhileString() {
     40         Spanned spanned = Html.fromHtml("<b>hello</b>");
     41         Object[] spans = spanned.getSpans(-1, 100, Object.class);
     42         assertEquals(1, spans.length);
     43         Object span = spans[0];
     44         assertEquals(0, spanned.getSpanStart(span));
     45         assertEquals(5, spanned.getSpanEnd(span));
     46     }
     47 
     48     @SmallTest
     49     public void testEmptyFontTag() {
     50         Spanned spanned = Html.fromHtml("Hello <font color=\"#ff00ff00\"></font>");
     51         Object[] spans = spanned.getSpans(0, 100, Object.class);
     52         // TODO: figure out what the spans should be after the crashes are fixed and assert them.
     53     }
     54 
     55     /** Tests that the parser can handle mal-formed HTML. */
     56     @SmallTest
     57     public void testBadHtml() {
     58         Spanned spanned = Html.fromHtml("Hello <b>b<i>bi</b>i</i>");
     59         Object[] spans = spanned.getSpans(0, 100, Object.class);
     60         assertEquals(Typeface.ITALIC, ((StyleSpan) spans[0]).getStyle());
     61         assertEquals(7, spanned.getSpanStart(spans[0]));
     62         assertEquals(9, spanned.getSpanEnd(spans[0]));
     63         assertEquals(Typeface.BOLD, ((StyleSpan) spans[1]).getStyle());
     64         assertEquals(6, spanned.getSpanStart(spans[1]));
     65         assertEquals(9, spanned.getSpanEnd(spans[1]));
     66         assertEquals(Typeface.ITALIC, ((StyleSpan) spans[2]).getStyle());
     67         assertEquals(9, spanned.getSpanStart(spans[2]));
     68         assertEquals(10, spanned.getSpanEnd(spans[2]));
     69     }
     70 
     71     @SmallTest
     72     public void testSymbols() {
     73         String spanned = Html.fromHtml("&copy; &gt; &lt").toString();
     74         assertEquals("\u00a9 > <", spanned);
     75     }
     76 
     77     @SmallTest
     78     public void testColor() throws Exception {
     79         Spanned s;
     80         ForegroundColorSpan[] colors;
     81 
     82         s = Html.fromHtml("<font color=\"#00FF00\">something</font>");
     83         colors = s.getSpans(0, s.length(), ForegroundColorSpan.class);
     84         assertEquals(1, colors.length);
     85         assertEquals(0xFF00FF00, colors[0].getForegroundColor());
     86 
     87         s = Html.fromHtml("<font color=\"navy\">something</font>");
     88         colors = s.getSpans(0, s.length(), ForegroundColorSpan.class);
     89         assertEquals(1, colors.length);
     90         assertEquals(0xFF000080, colors[0].getForegroundColor());
     91 
     92         s = Html.fromHtml("<font color=\"gibberish\">something</font>");
     93         colors = s.getSpans(0, s.length(), ForegroundColorSpan.class);
     94         assertEquals(0, colors.length);
     95     }
     96 
     97     @SmallTest
     98     public void testResourceColor() throws Exception {
     99         ColorStateList c =
    100                 Resources.getSystem().getColorStateList(android.R.color.primary_text_dark);
    101         Spanned s;
    102         TextAppearanceSpan[] colors;
    103 
    104         s = Html.fromHtml("<font color=\"@android:color/primary_text_dark\">something</font>");
    105         colors = s.getSpans(0, s.length(), TextAppearanceSpan.class);
    106         assertEquals(1, colors.length);
    107         assertEquals(c.toString(), colors[0].getTextColor().toString());
    108 
    109         s = Html.fromHtml("<font color=\"@android:primary_text_dark\">something</font>");
    110         colors = s.getSpans(0, s.length(), TextAppearanceSpan.class);
    111         assertEquals(1, colors.length);
    112         assertEquals(c.toString(), colors[0].getTextColor().toString());
    113 
    114         s = Html.fromHtml("<font color=\"@color/primary_text_dark\">something</font>");
    115         colors = s.getSpans(0, s.length(), TextAppearanceSpan.class);
    116         assertEquals(1, colors.length);
    117         assertEquals(c.toString(), colors[0].getTextColor().toString());
    118 
    119         s = Html.fromHtml("<font color=\"@primary_text_dark\">something</font>");
    120         colors = s.getSpans(0, s.length(), TextAppearanceSpan.class);
    121         assertEquals(1, colors.length);
    122         assertEquals(c.toString(), colors[0].getTextColor().toString());
    123 
    124         s = Html.fromHtml("<font color=\"@" + android.R.color.primary_text_dark
    125                 + "\">something</font>");
    126         colors = s.getSpans(0, s.length(), TextAppearanceSpan.class);
    127         assertEquals(1, colors.length);
    128         assertEquals(c.toString(), colors[0].getTextColor().toString());
    129 
    130         s = Html.fromHtml("<font color=\"gibberish\">something</font>");
    131         colors = s.getSpans(0, s.length(), TextAppearanceSpan.class);
    132         assertEquals(colors.length, 0);
    133     }
    134 
    135     @SmallTest
    136     public void testParagraphs() throws Exception {
    137         SpannableString s;
    138 
    139         s = new SpannableString("Hello world");
    140         assertEquals(Html.toHtml(s), "<p>Hello world</p>\n");
    141 
    142         s = new SpannableString("Hello world\nor something");
    143         assertEquals(Html.toHtml(s), "<p>Hello world<br>\nor something</p>\n");
    144 
    145         s = new SpannableString("Hello world\n\nor something");
    146         assertEquals(Html.toHtml(s), "<p>Hello world</p>\n<p>or something</p>\n");
    147 
    148         s = new SpannableString("Hello world\n\n\nor something");
    149         assertEquals(Html.toHtml(s), "<p>Hello world<br></p>\n<p>or something</p>\n");
    150 
    151         assertEquals("foo\nbar", Html.fromHtml("foo<br>bar").toString());
    152         assertEquals("foo\nbar", Html.fromHtml("foo<br>\nbar").toString());
    153         assertEquals("foo\nbar", Html.fromHtml("foo<br>\n \nbar").toString());
    154     }
    155 
    156     @SmallTest
    157     public void testBlockquote() throws Exception {
    158         SpannableString s;
    159 
    160         s = new SpannableString("Hello world");
    161         s.setSpan(new QuoteSpan(), 0, s.length(), Spannable.SPAN_PARAGRAPH);
    162         assertEquals(Html.toHtml(s), "<blockquote><p>Hello world</p>\n</blockquote>\n");
    163 
    164         s = new SpannableString("Hello\n\nworld");
    165         s.setSpan(new QuoteSpan(), 0, 7, Spannable.SPAN_PARAGRAPH);
    166         assertEquals(Html.toHtml(s), "<blockquote><p>Hello</p>\n</blockquote>\n<p>world</p>\n");
    167     }
    168 
    169     @SmallTest
    170     public void testEntities() throws Exception {
    171         SpannableString s;
    172 
    173         s = new SpannableString("Hello <&> world");
    174         assertEquals(Html.toHtml(s), "<p>Hello &lt;&amp;&gt; world</p>\n");
    175 
    176         s = new SpannableString("Hello \u03D5 world");
    177         assertEquals(Html.toHtml(s), "<p>Hello &#981; world</p>\n");
    178 
    179         s = new SpannableString("Hello  world");
    180         assertEquals(Html.toHtml(s), "<p>Hello&nbsp; world</p>\n");
    181     }
    182 
    183     @SmallTest
    184     public void testMarkup() throws Exception {
    185         SpannableString s;
    186 
    187         s = new SpannableString("Hello bold world");
    188         s.setSpan(new StyleSpan(Typeface.BOLD), 6, s.length() - 6,
    189                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    190         assertEquals(Html.toHtml(s), "<p>Hello <b>bold</b> world</p>\n");
    191 
    192         s = new SpannableString("Hello italic world");
    193         s.setSpan(new StyleSpan(Typeface.ITALIC), 6, s.length() - 6,
    194                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    195         assertEquals(Html.toHtml(s), "<p>Hello <i>italic</i> world</p>\n");
    196 
    197         s = new SpannableString("Hello monospace world");
    198         s.setSpan(new TypefaceSpan("monospace"), 6, s.length() - 6,
    199                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    200         assertEquals(Html.toHtml(s), "<p>Hello <tt>monospace</tt> world</p>\n");
    201 
    202         s = new SpannableString("Hello superscript world");
    203         s.setSpan(new SuperscriptSpan(), 6, s.length() - 6,
    204                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    205         assertEquals(Html.toHtml(s), "<p>Hello <sup>superscript</sup> world</p>\n");
    206 
    207         s = new SpannableString("Hello subscript world");
    208         s.setSpan(new SubscriptSpan(), 6, s.length() - 6,
    209                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    210         assertEquals(Html.toHtml(s), "<p>Hello <sub>subscript</sub> world</p>\n");
    211 
    212         s = new SpannableString("Hello underline world");
    213         s.setSpan(new UnderlineSpan(), 6, s.length() - 6,
    214                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    215         assertEquals(Html.toHtml(s), "<p>Hello <u>underline</u> world</p>\n");
    216 
    217         s = new SpannableString("Hello struck world");
    218         s.setSpan(new StrikethroughSpan(), 6, s.length() - 6,
    219                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    220         assertEquals(Html.toHtml(s), "<p>Hello <strike>struck</strike> world</p>\n");
    221 
    222         s = new SpannableString("Hello linky world");
    223         s.setSpan(new URLSpan("http://www.google.com"), 6, s.length() - 6,
    224                   Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
    225         assertEquals(Html.toHtml(s),
    226                      "<p>Hello <a href=\"http://www.google.com\">linky</a> world</p>\n");
    227     }
    228 
    229     @SmallTest
    230     public void testImg() throws Exception {
    231         Spanned s;
    232 
    233         s = Html.fromHtml("yes<img src=\"http://example.com/foo.gif\">no");
    234 
    235         assertEquals("<p>yes<img src=\"http://example.com/foo.gif\">no</p>\n",
    236                      Html.toHtml(s));
    237     }
    238 
    239     @SmallTest
    240     public void testUtf8() throws Exception {
    241         Spanned s;
    242 
    243         s = Html.fromHtml("<p>\u0124\u00eb\u0142\u0142o, world!</p>");
    244         assertEquals("<p>&#292;&#235;&#322;&#322;o, world!</p>\n", Html.toHtml(s));
    245     }
    246 
    247 }
    248