Auto convert content shell tests to JUnit4

content/public/android/javatests/src/org/chromium/content/browser/accessibility/captioning/CaptioningChangeDelegateTest.java

-// Copyright 2015 The Chromium Authors. All rights reserved.
+// 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.content.browser.accessibility.captioning;
 
 import android.graphics.Color;
 import android.graphics.Typeface;
 import android.support.test.filters.SmallTest;
 
+import org.junit.Assert;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.content.browser.accessibility.captioning.CaptioningChangeDelegate.ClosedCaptionEdgeAttribute;
 import org.chromium.content.browser.accessibility.captioning.CaptioningChangeDelegate.ClosedCaptionFont;
-import org.chromium.content_shell_apk.ContentShellTestBase;
+import org.chromium.content_shell_apk.ContentShellActivityTestRule;
 
 /**
   * Test suite to ensure that platform settings are translated to CSS appropriately
   */
-public class CaptioningChangeDelegateTest extends ContentShellTestBase {
+@RunWith(BaseJUnit4ClassRunner.class)
+public class CaptioningChangeDelegateTest {
+    @Rule
+    public ContentShellActivityTestRule mActivityTestRule = new ContentShellActivityTestRule();
+
     private static final String DEFAULT_CAPTIONING_PREF_VALUE =
             CaptioningChangeDelegate.DEFAULT_CAPTIONING_PREF_VALUE;
 
+    @Test
     @SmallTest
     public void testFontScaleToPercentage() {
         String result = CaptioningChangeDelegate.androidFontScaleToPercentage(0f);
-        assertEquals("0%", result);
+        Assert.assertEquals("0%", result);
 
         result = CaptioningChangeDelegate.androidFontScaleToPercentage(0.000f);
-        assertEquals("0%", result);
+        Assert.assertEquals("0%", result);
 
         result = CaptioningChangeDelegate.androidFontScaleToPercentage(0.25f);
-        assertEquals("25%", result);
+        Assert.assertEquals("25%", result);
 
         result = CaptioningChangeDelegate.androidFontScaleToPercentage(1f);
-        assertEquals("100%", result);
+        Assert.assertEquals("100%", result);
 
         result = CaptioningChangeDelegate.androidFontScaleToPercentage(1.5f);
-        assertEquals("150%", result);
+        Assert.assertEquals("150%", result);
 
         result = CaptioningChangeDelegate.androidFontScaleToPercentage(0.50125f);
-        assertEquals("50%", result);
+        Assert.assertEquals("50%", result);
 
         result = CaptioningChangeDelegate.androidFontScaleToPercentage(0.50925f);
-        assertEquals("51%", result);
+        Assert.assertEquals("51%", result);
     }
 
+    @Test
     @SmallTest
     public void testAndroidColorToCssColor() {
         String result = CaptioningChangeDelegate.androidColorToCssColor(null);
-        assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, result);
+        Assert.assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, result);
 
         result = CaptioningChangeDelegate.androidColorToCssColor(Color.BLACK);
-        assertEquals("rgba(0, 0, 0, 1)", result);
+        Assert.assertEquals("rgba(0, 0, 0, 1)", result);
 
         result = CaptioningChangeDelegate.androidColorToCssColor(Color.WHITE);
-        assertEquals("rgba(255, 255, 255, 1)", result);
+        Assert.assertEquals("rgba(255, 255, 255, 1)", result);
 
         result = CaptioningChangeDelegate.androidColorToCssColor(Color.BLUE);
-        assertEquals("rgba(0, 0, 255, 1)", result);
+        Assert.assertEquals("rgba(0, 0, 255, 1)", result);
 
         // Transparent-black
         result = CaptioningChangeDelegate.androidColorToCssColor(0x00000000);
-        assertEquals("rgba(0, 0, 0, 0)", result);
+        Assert.assertEquals("rgba(0, 0, 0, 0)", result);
 
         // Transparent-white
         result = CaptioningChangeDelegate.androidColorToCssColor(0x00FFFFFF);
-        assertEquals("rgba(255, 255, 255, 0)", result);
+        Assert.assertEquals("rgba(255, 255, 255, 0)", result);
 
         // 50% opaque blue
         result = CaptioningChangeDelegate.androidColorToCssColor(0x7f0000ff);
-        assertEquals("rgba(0, 0, 255, 0.5)", result);
+        Assert.assertEquals("rgba(0, 0, 255, 0.5)", result);
 
         // No alpha information
         result = CaptioningChangeDelegate.androidColorToCssColor(0xFFFFFF);
-        assertEquals("rgba(255, 255, 255, 0)", result);
+        Assert.assertEquals("rgba(255, 255, 255, 0)", result);
     }
 
+    @Test
     @SmallTest
     public void testClosedCaptionEdgeAttributeWithDefaults() {
         ClosedCaptionEdgeAttribute edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(
                 null, null);
-        assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
+        Assert.assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(null, "red");
-        assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
+        Assert.assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(0, "red");
-        assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
+        Assert.assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(2, null);
-        assertEquals("silver 0.05em 0.05em 0.1em", edge.getTextShadow());
+        Assert.assertEquals("silver 0.05em 0.05em 0.1em", edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(2, "");
-        assertEquals("silver 0.05em 0.05em 0.1em", edge.getTextShadow());
+        Assert.assertEquals("silver 0.05em 0.05em 0.1em", edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(2, "red");
-        assertEquals("red 0.05em 0.05em 0.1em", edge.getTextShadow());
+        Assert.assertEquals("red 0.05em 0.05em 0.1em", edge.getTextShadow());
     }
 
+    @Test
     @SmallTest
     public void testClosedCaptionEdgeAttributeWithCustomDefaults() {
         ClosedCaptionEdgeAttribute.setShadowOffset("0.00em");
         ClosedCaptionEdgeAttribute.setDefaultEdgeColor("red");
         ClosedCaptionEdgeAttribute edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(
                 null, null);
-        assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
+        Assert.assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(null, "red");
-        assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
+        Assert.assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(0, "red");
-        assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
+        Assert.assertEquals(DEFAULT_CAPTIONING_PREF_VALUE, edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(2, null);
-        assertEquals("red 0.00em 0.00em 0.1em", edge.getTextShadow());
+        Assert.assertEquals("red 0.00em 0.00em 0.1em", edge.getTextShadow());
 
         edge = ClosedCaptionEdgeAttribute.fromSystemEdgeAttribute(2, "silver");
-        assertEquals("silver 0.00em 0.00em 0.1em", edge.getTextShadow());
+        Assert.assertEquals("silver 0.00em 0.00em 0.1em", edge.getTextShadow());
     }
 
     /**
      * Verifies that certain system fonts always correspond to the default captioning font.
      */
+    @Test
     @SmallTest
     public void testClosedCaptionDefaultFonts() {
         final ClosedCaptionFont nullFont = ClosedCaptionFont.fromSystemFont(null);
-        assertEquals(
-                "Null typeface should return the default font family.",
+        Assert.assertEquals("Null typeface should return the default font family.",
                 DEFAULT_CAPTIONING_PREF_VALUE, nullFont.getFontFamily());
 
         final ClosedCaptionFont defaultFont = ClosedCaptionFont.fromSystemFont(Typeface.DEFAULT);
-        assertEquals(
-                "Typeface.DEFAULT should return the default font family.",
+        Assert.assertEquals("Typeface.DEFAULT should return the default font family.",
                 DEFAULT_CAPTIONING_PREF_VALUE, defaultFont.getFontFamily());
 
         final ClosedCaptionFont defaultBoldFont = ClosedCaptionFont.fromSystemFont(
                 Typeface.DEFAULT_BOLD);
-        assertEquals(
-                "Typeface.BOLD should return the default font family.",
+        Assert.assertEquals("Typeface.BOLD should return the default font family.",
                 DEFAULT_CAPTIONING_PREF_VALUE, defaultBoldFont.getFontFamily());
     }
 
     /**
      * Typeface.DEFAULT may be equivalent to another Typeface such as Typeface.SANS_SERIF
      * so this test ensures that each typeface returns DEFAULT_CAPTIONING_PREF_VALUE if it is
      * equal to Typeface.DEFAULT or returns an explicit font family otherwise.
      */
+    @Test
     @SmallTest
     public void testClosedCaptionNonDefaultFonts() {
         final ClosedCaptionFont monospaceFont = ClosedCaptionFont.fromSystemFont(
                 Typeface.MONOSPACE);
         if (Typeface.MONOSPACE.equals(Typeface.DEFAULT)) {
-            assertEquals(
+            Assert.assertEquals(
                     "Since the default font is monospace, the default family should be returned.",
                     DEFAULT_CAPTIONING_PREF_VALUE, monospaceFont.getFontFamily());
         } else {
-            assertTrue(
-                    "Typeface.MONOSPACE should return a monospace font family.",
+            Assert.assertTrue("Typeface.MONOSPACE should return a monospace font family.",
                     monospaceFont.mFlags.contains(ClosedCaptionFont.Flags.MONOSPACE));
         }
 
         final ClosedCaptionFont sansSerifFont = ClosedCaptionFont.fromSystemFont(
                 Typeface.SANS_SERIF);
         if (Typeface.SANS_SERIF.equals(Typeface.DEFAULT)) {
-            assertEquals(
+            Assert.assertEquals(
                     "Since the default font is sans-serif, the default family should be returned.",
                     DEFAULT_CAPTIONING_PREF_VALUE, sansSerifFont.getFontFamily());
         } else {
-            assertTrue(
-                    "Typeface.SANS_SERIF should return a sans-serif font family.",
+            Assert.assertTrue("Typeface.SANS_SERIF should return a sans-serif font family.",
                     sansSerifFont.mFlags.contains(ClosedCaptionFont.Flags.SANS_SERIF));
         }
 
         final ClosedCaptionFont serifFont = ClosedCaptionFont.fromSystemFont(Typeface.SERIF);
         if (Typeface.SERIF.equals(Typeface.DEFAULT)) {
-            assertEquals(
+            Assert.assertEquals(
                     "Since the default font is serif, the default font family should be returned.",
                     DEFAULT_CAPTIONING_PREF_VALUE, serifFont.getFontFamily());
         } else {
-            assertTrue(
-                    "Typeface.SERIF should return a serif font family.",
+            Assert.assertTrue("Typeface.SERIF should return a serif font family.",
                     serifFont.mFlags.contains(ClosedCaptionFont.Flags.SERIF));
         }
     }
 }