Support paste with style from Spanned

ui/android/junit/src/org/chromium/ui/base/ClipboardTest.java

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.ui.base;
 
+import android.content.ClipData;
+import android.content.Intent;
+import android.text.SpannableString;
+import android.text.style.RelativeSizeSpan;
+
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Config;
 
 import org.chromium.base.ContextUtils;
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.base.metrics.RecordUserAction;
 import org.chromium.testing.local.LocalRobolectricTestRunner;
 
 /**
  * Tests logic in the Clipboard class.
  */
 @RunWith(LocalRobolectricTestRunner.class)
 @Config(manifest = Config.NONE)
 public class ClipboardTest {
+    private static final String PLAIN_TEXT = "plain";
+    private static final String HTML_TEXT = "<span style=\"color: red;\">HTML</span>";
+
     @BeforeClass
     public static void beforeClass() {
         RecordHistogram.setDisabledForTests(true);
         RecordUserAction.setDisabledForTests(true);
     }
 
     @AfterClass
     public static void afterClass() {
         RecordHistogram.setDisabledForTests(false);
         RecordUserAction.setDisabledForTests(false);
     }
 
     @Test
     public void testGetClipboardContentChangeTimeInMillis() {
-        ContextUtils.initApplicationContext(RuntimeEnvironment.application);
+        ContextUtils.initApplicationContextForTests(RuntimeEnvironment.application);
         // Upon launch, the clipboard should be at start of epoch, i.e., ancient.
         Clipboard clipboard = Clipboard.getInstance();
         assertEquals(0, clipboard.getClipboardContentChangeTimeInMillis());
         // After updating the clipboard, it should have a new time.
         clipboard.onPrimaryClipChanged();
         assertTrue(clipboard.getClipboardContentChangeTimeInMillis() > 0);
     }
+
+    @Test
+    public void testGetHTMLTextAndGetCoercedText() {
+        ContextUtils.initApplicationContextForTests(RuntimeEnvironment.application);
+        Clipboard clipboard = Clipboard.getInstance();
+
+        // HTML text
+        ClipData html = ClipData.newHtmlText("html", PLAIN_TEXT, HTML_TEXT);
+        clipboard.setPrimaryClipNoException(html);
+        assertEquals(PLAIN_TEXT, clipboard.getCoercedText());
+        assertEquals(HTML_TEXT, clipboard.getHTMLText());
+
+        // Plain text without span
+        ClipData plainTextNoSpan = ClipData.newPlainText("plain", PLAIN_TEXT);
+        clipboard.setPrimaryClipNoException(plainTextNoSpan);
+        assertEquals(PLAIN_TEXT, clipboard.getCoercedText());
+        assertNull(clipboard.getHTMLText());
+
+        // Plain text with span
+        SpannableString spanned = new SpannableString(PLAIN_TEXT);
+        spanned.setSpan(new RelativeSizeSpan(2f), 0, 5, 0);
+        ClipData plainTextSpan = ClipData.newPlainText("plain", spanned);
+        clipboard.setPrimaryClipNoException(plainTextSpan);
+        assertEquals(PLAIN_TEXT, clipboard.getCoercedText());
+        assertNotNull(clipboard.getHTMLText());
+
+        // Intent
+        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
+        intent.addCategory(Intent.CATEGORY_OPENABLE);
+        intent.setType("*/*");
+        ClipData intentClip = ClipData.newIntent("intent", intent);
+        clipboard.setPrimaryClipNoException(intentClip);
+        assertNotNull(clipboard.getCoercedText());
+        assertNull(clipboard.getHTMLText());
+    }
 }