Auto convert content shell tests to JUnit4

content/public/android/javatests/src/org/chromium/content/browser/JavaBridgeArrayTest.java

-// Copyright 2012 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;
 
 import android.support.test.filters.SmallTest;
 
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import org.chromium.base.annotations.SuppressFBWarnings;
+import org.chromium.base.test.BaseJUnit4ClassRunner;
 import org.chromium.base.test.util.Feature;
 import org.chromium.content.browser.JavaBridgeTestCommon.Controller;
 
 /**
  * Part of the test suite for the Java Bridge. This class tests the general use of arrays.
  *
  * The conversions should follow
  * http://jdk6.java.net/plugin2/liveconnect/#JS_JAVA_CONVERSIONS. Places in
  * which the implementation differs from the spec are marked with
  * LIVECONNECT_COMPLIANCE.
  * FIXME: Consider making our implementation more compliant, if it will not
  * break backwards-compatibility. See b/4408210.
  */
-public class JavaBridgeArrayTest extends JavaBridgeTestBase {
+@RunWith(BaseJUnit4ClassRunner.class)
+public class JavaBridgeArrayTest {
+    @Rule
+    public JavaBridgeActivityTestRule mActivityTestRule = new JavaBridgeActivityTestRule();
+
     @SuppressFBWarnings("CHROMIUM_SYNCHRONIZED_METHOD")
     private static class TestObject extends Controller {
         private boolean mBooleanValue;
         private int mIntValue;
         private String mStringValue;
 
         private int[] mIntArray;
         private int[][] mIntIntArray;
 
         private boolean mWasArrayMethodCalled;
@@ skipping 47 matching lines @@
             return new int[] {42, 43, 44};
         }
 
         public synchronized boolean wasArrayMethodCalled() {
             return mWasArrayMethodCalled;
         }
     }
 
     private TestObject mTestObject;
 
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
+    @Before
+    public void setUp() throws Exception {
         mTestObject = new TestObject();
-        injectObjectAndReload(mTestObject, "testObject");
+        mActivityTestRule.injectObjectAndReload(mTestObject, "testObject");
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testArrayLength() throws Throwable {
-        executeJavaScript("testObject.setIntArray([42, 43, 44]);");
+        mActivityTestRule.executeJavaScript("testObject.setIntArray([42, 43, 44]);");
         int[] result = mTestObject.waitForIntArray();
-        assertEquals(3, result.length);
-        assertEquals(42, result[0]);
-        assertEquals(43, result[1]);
-        assertEquals(44, result[2]);
+        Assert.assertEquals(3, result.length);
+        Assert.assertEquals(42, result[0]);
+        Assert.assertEquals(43, result[1]);
+        Assert.assertEquals(44, result[2]);
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassNull() throws Throwable {
-        executeJavaScript("testObject.setIntArray(null);");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntArray(null);");
+        Assert.assertNull(mTestObject.waitForIntArray());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassUndefined() throws Throwable {
-        executeJavaScript("testObject.setIntArray(undefined);");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntArray(undefined);");
+        Assert.assertNull(mTestObject.waitForIntArray());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassEmptyArray() throws Throwable {
-        executeJavaScript("testObject.setIntArray([]);");
-        assertEquals(0, mTestObject.waitForIntArray().length);
+        mActivityTestRule.executeJavaScript("testObject.setIntArray([]);");
+        Assert.assertEquals(0, mTestObject.waitForIntArray().length);
     }
 
     // Note that this requires being able to pass a string from JavaScript to
     // Java.
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassArrayToStringMethod() throws Throwable {
         // LIVECONNECT_COMPLIANCE: Should call toString() on array.
-        executeJavaScript("testObject.setStringValue([42, 42, 42]);");
-        assertEquals("undefined", mTestObject.waitForStringValue());
+        mActivityTestRule.executeJavaScript("testObject.setStringValue([42, 42, 42]);");
+        Assert.assertEquals("undefined", mTestObject.waitForStringValue());
     }
 
     // Note that this requires being able to pass an integer from JavaScript to
     // Java.
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassArrayToNonStringNonArrayMethod() throws Throwable {
         // LIVECONNECT_COMPLIANCE: Should raise JavaScript exception.
-        executeJavaScript("testObject.setIntValue([42, 42, 42]);");
-        assertEquals(0, mTestObject.waitForIntValue());
+        mActivityTestRule.executeJavaScript("testObject.setIntValue([42, 42, 42]);");
+        Assert.assertEquals(0, mTestObject.waitForIntValue());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassNonArrayToArrayMethod() throws Throwable {
         // LIVECONNECT_COMPLIANCE: Should raise JavaScript exception.
-        executeJavaScript("testObject.setIntArray(42);");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntArray(42);");
+        Assert.assertNull(mTestObject.waitForIntArray());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testObjectWithLengthProperty() throws Throwable {
-        executeJavaScript("testObject.setIntArray({length: 3, 1: 42});");
+        mActivityTestRule.executeJavaScript("testObject.setIntArray({length: 3, 1: 42});");
         int[] result = mTestObject.waitForIntArray();
-        assertEquals(3, result.length);
-        assertEquals(0, result[0]);
-        assertEquals(42, result[1]);
-        assertEquals(0, result[2]);
+        Assert.assertEquals(3, result.length);
+        Assert.assertEquals(0, result[0]);
+        Assert.assertEquals(42, result[1]);
+        Assert.assertEquals(0, result[2]);
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testNonNumericLengthProperty() throws Throwable {
         // LIVECONNECT_COMPLIANCE: This should not count as an array, so we
         // should raise a JavaScript exception.
-        executeJavaScript("testObject.setIntArray({length: \"foo\"});");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntArray({length: \"foo\"});");
+        Assert.assertNull(mTestObject.waitForIntArray());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testLengthOutOfBounds() throws Throwable {
         // LIVECONNECT_COMPLIANCE: This should not count as an array, so we
         // should raise a JavaScript exception.
-        executeJavaScript("testObject.setIntArray({length: -1});");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntArray({length: -1});");
+        Assert.assertNull(mTestObject.waitForIntArray());
 
         // LIVECONNECT_COMPLIANCE: This should not count as an array, so we
         // should raise a JavaScript exception.
         long length = Integer.MAX_VALUE + 1L;
-        executeJavaScript("testObject.setIntArray({length: " + length + "});");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntArray({length: " + length + "});");
+        Assert.assertNull(mTestObject.waitForIntArray());
 
         // LIVECONNECT_COMPLIANCE: This should not count as an array, so we
         // should raise a JavaScript exception.
         length = Integer.MAX_VALUE + 1L - Integer.MIN_VALUE + 1L;
-        executeJavaScript("testObject.setIntArray({length: " + length + "});");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntArray({length: " + length + "});");
+        Assert.assertNull(mTestObject.waitForIntArray());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testSparseArray() throws Throwable {
-        executeJavaScript("var x = [42, 43]; x[3] = 45; testObject.setIntArray(x);");
+        mActivityTestRule.executeJavaScript(
+                "var x = [42, 43]; x[3] = 45; testObject.setIntArray(x);");
         int[] result = mTestObject.waitForIntArray();
-        assertEquals(4, result.length);
-        assertEquals(42, result[0]);
-        assertEquals(43, result[1]);
-        assertEquals(0, result[2]);
-        assertEquals(45, result[3]);
+        Assert.assertEquals(4, result.length);
+        Assert.assertEquals(42, result[0]);
+        Assert.assertEquals(43, result[1]);
+        Assert.assertEquals(0, result[2]);
+        Assert.assertEquals(45, result[3]);
     }
 
     // Note that this requires being able to pass a boolean from JavaScript to
     // Java.
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testMethodReturningArrayNotCalled() throws Throwable {
         // We don't invoke methods which return arrays, but note that no
         // exception is raised.
         // LIVECONNECT_COMPLIANCE: Should call method and convert result to
         // JavaScript array.
-        executeJavaScript("testObject.setBooleanValue(undefined === testObject.arrayMethod())");
-        assertTrue(mTestObject.waitForBooleanValue());
-        assertFalse(mTestObject.wasArrayMethodCalled());
+        mActivityTestRule.executeJavaScript(
+                "testObject.setBooleanValue(undefined === testObject.arrayMethod())");
+        Assert.assertTrue(mTestObject.waitForBooleanValue());
+        Assert.assertFalse(mTestObject.wasArrayMethodCalled());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testMultiDimensionalArrayMethod() throws Throwable {
         // LIVECONNECT_COMPLIANCE: Should handle multi-dimensional arrays.
-        executeJavaScript("testObject.setIntIntArray([ [42, 43], [44, 45] ]);");
-        assertNull(mTestObject.waitForIntIntArray());
+        mActivityTestRule.executeJavaScript("testObject.setIntIntArray([ [42, 43], [44, 45] ]);");
+        Assert.assertNull(mTestObject.waitForIntIntArray());
     }
 
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassMultiDimensionalArray() throws Throwable {
         // LIVECONNECT_COMPLIANCE: Should handle multi-dimensional arrays.
-        executeJavaScript("testObject.setIntArray([ [42, 43], [44, 45] ]);");
+        mActivityTestRule.executeJavaScript("testObject.setIntArray([ [42, 43], [44, 45] ]);");
         int[] result = mTestObject.waitForIntArray();
-        assertEquals(2, result.length);
-        assertEquals(0, result[0]);
-        assertEquals(0, result[1]);
+        Assert.assertEquals(2, result.length);
+        Assert.assertEquals(0, result[0]);
+        Assert.assertEquals(0, result[1]);
     }
 
     // Verify that ArrayBuffers are not converted into arrays when passed to Java.
     // The LiveConnect spec doesn't mention ArrayBuffers, so it doesn't seem to
     // be a compliance issue.
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassArrayBuffer() throws Throwable {
-        executeJavaScript("buffer = new ArrayBuffer(16);");
-        executeJavaScript("testObject.setIntArray(buffer);");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("buffer = new ArrayBuffer(16);");
+        mActivityTestRule.executeJavaScript("testObject.setIntArray(buffer);");
+        Assert.assertNull(mTestObject.waitForIntArray());
     }
 
     // Verify that ArrayBufferViews are not converted into arrays when passed to Java.
     // The LiveConnect spec doesn't mention ArrayBufferViews, so it doesn't seem to
     // be a compliance issue.
     // Here, a DataView is used as an ArrayBufferView instance (since the latter is
     // an interface and can't be instantiated directly). See also JavaBridgeArrayCoercionTest
     // for typed arrays (that also subclass ArrayBufferView) tests.
+    @Test
     @SmallTest
     @Feature({"AndroidWebView", "Android-JavaBridge"})
     public void testPassDataView() throws Throwable {
-        executeJavaScript("buffer = new ArrayBuffer(16);");
-        executeJavaScript("testObject.setIntArray(new DataView(buffer));");
-        assertNull(mTestObject.waitForIntArray());
+        mActivityTestRule.executeJavaScript("buffer = new ArrayBuffer(16);");
+        mActivityTestRule.executeJavaScript("testObject.setIntArray(new DataView(buffer));");
+        Assert.assertNull(mTestObject.waitForIntArray());
     }
 }