| // Copyright 2012 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.test.suitebuilder.annotation.SmallTest; |
| |
| import org.chromium.base.test.util.Feature; |
| |
| /** |
| * Part of the test suite for the Java Bridge. This test checks that we correctly convert Java |
| * values to JavaScript values when returning them from the methods of injected Java objects. |
| * |
| * 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 JavaBridgeReturnValuesTest extends JavaBridgeTestBase { |
| // An instance of this class is injected into the page to test returning |
| // Java values to JavaScript. |
| private class TestObject extends Controller { |
| private String mStringValue; |
| private boolean mBooleanValue; |
| |
| // These four methods are used to control the test. |
| public synchronized void setStringValue(String x) { |
| mStringValue = x; |
| notifyResultIsReady(); |
| } |
| public synchronized String waitForStringValue() { |
| waitForResult(); |
| return mStringValue; |
| } |
| public synchronized void setBooleanValue(boolean x) { |
| mBooleanValue = x; |
| notifyResultIsReady(); |
| } |
| public synchronized boolean waitForBooleanValue() { |
| waitForResult(); |
| return mBooleanValue; |
| } |
| |
| public boolean getBooleanValue() { |
| return true; |
| } |
| public byte getByteValue() { |
| return 42; |
| } |
| public char getCharValue() { |
| return '\u002A'; |
| } |
| public short getShortValue() { |
| return 42; |
| } |
| public int getIntValue() { |
| return 42; |
| } |
| public long getLongValue() { |
| return 42L; |
| } |
| public float getFloatValue() { |
| return 42.1f; |
| } |
| public float getFloatValueNoDecimal() { |
| return 42.0f; |
| } |
| public double getDoubleValue() { |
| return 42.1; |
| } |
| public double getDoubleValueNoDecimal() { |
| return 42.0; |
| } |
| public String getStringValue() { |
| return "foo"; |
| } |
| public String getEmptyStringValue() { |
| return ""; |
| } |
| public String getNullStringValue() { |
| return null; |
| } |
| public Object getObjectValue() { |
| return new Object(); |
| } |
| public Object getNullObjectValue() { |
| return null; |
| } |
| public CustomType getCustomTypeValue() { |
| return new CustomType(); |
| } |
| public void getVoidValue() { |
| } |
| } |
| |
| // A custom type used when testing passing objects. |
| private static class CustomType { |
| } |
| |
| TestObject mTestObject; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mTestObject = new TestObject(); |
| setUpContentView(mTestObject, "testObject"); |
| } |
| |
| // Note that this requires that we can pass a JavaScript string to Java. |
| protected String executeJavaScriptAndGetStringResult(String script) throws Throwable { |
| executeJavaScript("testObject.setStringValue(" + script + ");"); |
| return mTestObject.waitForStringValue(); |
| } |
| |
| // Note that this requires that we can pass a JavaScript boolean to Java. |
| private boolean executeJavaScriptAndGetBooleanResult(String script) throws Throwable { |
| executeJavaScript("testObject.setBooleanValue(" + script + ");"); |
| return mTestObject.waitForBooleanValue(); |
| } |
| |
| @SmallTest |
| @Feature({"AndroidWebView", "Android-JavaBridge"}) |
| public void testMethodReturnTypes() throws Throwable { |
| assertEquals("boolean", |
| executeJavaScriptAndGetStringResult("typeof testObject.getBooleanValue()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getByteValue()")); |
| // char values are returned to JavaScript as numbers. |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getCharValue()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getShortValue()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getIntValue()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getLongValue()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getFloatValue()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getFloatValueNoDecimal()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getDoubleValue()")); |
| assertEquals("number", |
| executeJavaScriptAndGetStringResult("typeof testObject.getDoubleValueNoDecimal()")); |
| assertEquals("string", |
| executeJavaScriptAndGetStringResult("typeof testObject.getStringValue()")); |
| assertEquals("string", |
| executeJavaScriptAndGetStringResult("typeof testObject.getEmptyStringValue()")); |
| // LIVECONNECT_COMPLIANCE: This should have type object. |
| assertEquals("undefined", |
| executeJavaScriptAndGetStringResult("typeof testObject.getNullStringValue()")); |
| assertEquals("object", |
| executeJavaScriptAndGetStringResult("typeof testObject.getObjectValue()")); |
| assertEquals("object", |
| executeJavaScriptAndGetStringResult("typeof testObject.getNullObjectValue()")); |
| assertEquals("object", |
| executeJavaScriptAndGetStringResult("typeof testObject.getCustomTypeValue()")); |
| assertEquals("undefined", |
| executeJavaScriptAndGetStringResult("typeof testObject.getVoidValue()")); |
| } |
| |
| @SmallTest |
| @Feature({"AndroidWebView", "Android-JavaBridge"}) |
| public void testMethodReturnValues() throws Throwable { |
| // We do the string comparison in JavaScript, to avoid relying on the |
| // coercion algorithm from JavaScript to Java. |
| assertTrue(executeJavaScriptAndGetBooleanResult("testObject.getBooleanValue()")); |
| assertTrue(executeJavaScriptAndGetBooleanResult("42 === testObject.getByteValue()")); |
| // char values are returned to JavaScript as numbers. |
| assertTrue(executeJavaScriptAndGetBooleanResult("42 === testObject.getCharValue()")); |
| assertTrue(executeJavaScriptAndGetBooleanResult("42 === testObject.getShortValue()")); |
| assertTrue(executeJavaScriptAndGetBooleanResult("42 === testObject.getIntValue()")); |
| assertTrue(executeJavaScriptAndGetBooleanResult("42 === testObject.getLongValue()")); |
| assertTrue(executeJavaScriptAndGetBooleanResult( |
| "Math.abs(42.1 - testObject.getFloatValue()) < 0.001")); |
| assertTrue(executeJavaScriptAndGetBooleanResult( |
| "42.0 === testObject.getFloatValueNoDecimal()")); |
| assertTrue(executeJavaScriptAndGetBooleanResult( |
| "Math.abs(42.1 - testObject.getDoubleValue()) < 0.001")); |
| assertTrue(executeJavaScriptAndGetBooleanResult( |
| "42.0 === testObject.getDoubleValueNoDecimal()")); |
| assertEquals("foo", executeJavaScriptAndGetStringResult("testObject.getStringValue()")); |
| assertEquals("", executeJavaScriptAndGetStringResult("testObject.getEmptyStringValue()")); |
| assertTrue(executeJavaScriptAndGetBooleanResult("undefined === testObject.getVoidValue()")); |
| } |
| } |