[Contextual Search] Add support for crushed sprites and animate the search provider icon

ui/android/javatests/src/org/chromium/ui/resources/sprites/CrushedSpriteResourceTest.java

Index: ui/android/javatests/src/org/chromium/ui/resources/sprites/CrushedSpriteResourceTest.java
diff --git a/ui/android/javatests/src/org/chromium/ui/resources/sprites/CrushedSpriteResourceTest.java b/ui/android/javatests/src/org/chromium/ui/resources/sprites/CrushedSpriteResourceTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..2635a487e2061d2dc1341086dbb0217c1dab1d0a
--- /dev/null
+++ b/ui/android/javatests/src/org/chromium/ui/resources/sprites/CrushedSpriteResourceTest.java
@@ -0,0 +1,98 @@
+// Copyright 2015 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.resources.sprites;
+
+import android.test.InstrumentationTestCase;
+import android.test.mock.MockResources;
+import android.test.suitebuilder.annotation.MediumTest;
+import android.util.DisplayMetrics;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Tests for CrushedSpriteResource.
+ */
+public class CrushedSpriteResourceTest extends InstrumentationTestCase {
+    private static final int METADATA_RESOURCE_ID = 1;
+
+    /**
+     * Tests that the metadata is parsed correctly for a dummy CrushedSpriteResource.
+     */
+    @MediumTest
+    public void testParseMetadata() {
+        MockCrushedSpriteResources mockResources = new MockCrushedSpriteResources();
+        CrushedSpriteResource crushedSpriteResource = new CrushedSpriteResource(
+                0, METADATA_RESOURCE_ID, mockResources);
+        try {
+            crushedSpriteResource.parseMetadata(METADATA_RESOURCE_ID, DisplayMetrics.DENSITY_XXHIGH,
+                    mockResources);
+
+            int[][] expectedRectangles = {{35, 30, 38, 165, 18, 12, 0, 70, 0, 146, 72, 2},
+                    {}, {0, 0, 73, 0, 72, 72}};
+            int[][] actualRectangles = crushedSpriteResource.getFrameRectangles();
+
+            assertEquals(108, crushedSpriteResource.getSpriteWidth());
+            assertEquals(108, crushedSpriteResource.getSpriteHeight());
+            assertEquals(expectedRectangles.length, actualRectangles.length);
+            for (int i = 0; i < expectedRectangles.length; i++) {
+                assertEquals(expectedRectangles[i].length, actualRectangles[i].length);
+                for (int j = 0; j < expectedRectangles[i].length; j++) {
+                    assertEquals(expectedRectangles[i][j], actualRectangles[i][j]);
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+            fail();
+        }
+    }
+
+    private static class MockCrushedSpriteResources extends MockResources {
+
+        @Override
+        public InputStream openRawResource(int id) {
+            if (id == METADATA_RESOURCE_ID) {
+                return new ByteArrayInputStream(METADATA.getBytes());
+            } else {
+                return null;
+            }
+        }
+
+        private static final String METADATA = "{\"apiVersion\": \"1.0\", \"densities\": ["
+                + "{"
+                + "     \"density\": 160,"
+                + "     \"width\": 36,"
+                + "     \"height\": 36,"
+                + "     \"rectangles\": ["
+                + "         [17, 14, 47, 69, 10, 8, 0, 34, 37, 0, 36, 2],"
+                + "         [],"
+                + "         [0, 0, 0, 0, 36, 36]"
+                + "     ]"
+                + "},"
+                + "{"
+                + "     \"density\": 480,"
+                + "     \"width\": 108,"
+                + "     \"height\": 108,"
+                + "     \"rectangles\": ["
+                + "         [35, 30, 38, 165, 18, 12, 0, 70, 0, 146, 72, 2],"
+                + "         [],"
+                + "         [0, 0, 73, 0, 72, 72]"
+                + "     ]"
+                + "},"
+                + "{"
+                + "     \"density\": 640,"
+                + "     \"width\": 144,"
+                + "     \"height\": 144,"
+                + "     \"rectangles\": ["
+                + "         [71, 62, 820, 3, 34, 21, 0, 142, 725, 0, 144, 2],"
+                + "         [],"
+                + "         [0, 0, 145, 0, 144, 144]"
+                + "     ]"
+                + "}"
+                + "]}";
+    }
+
+}