/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.javascript.tests;
import java.lang.reflect.Method;
import org.junit.Assert;
import org.junit.Test;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.ContextAction;
import org.mozilla.javascript.ContextFactory;
import org.mozilla.javascript.EcmaError;
import org.mozilla.javascript.ScriptableObject;
/**
* Test that read-only properties can be... set when needed.
* This was the standard behavior in Rhino until 1.7R2 but has changed then.
* It is needed by HtmlUnit to simulate IE as well as FF2 (but not FF3).
* @see <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=519933">Rhino bug 519933</a>
* @author Marc Guillemot
*/
public class WriteReadOnlyPropertyTest {
/**
* @throws Exception if the test fails
*/
@Test
public void testWriteReadOnly_accepted() throws Exception {
testWriteReadOnly(true);
}
/**
* @throws Exception if the test fails
*/
@Test
public void testWriteReadOnly_throws() throws Exception {
try {
testWriteReadOnly(false);
Assert.fail();
}
catch (EcmaError e) {
Assert.assertTrue(e.getMessage(), e.getMessage().contains("Cannot set property myProp that has only a getter"));
}
}
void testWriteReadOnly(final boolean acceptWriteReadOnly) throws Exception {
final Method readMethod = Foo.class.getMethod("getMyProp", (Class[])null);
final Foo foo = new Foo("hello");
foo.defineProperty("myProp", null, readMethod, null, ScriptableObject.EMPTY);
final String script = "foo.myProp = 123; foo.myProp";
final ContextAction action = new ContextAction() {
public Object run(final Context cx) {
final ScriptableObject top = cx.initStandardObjects();
ScriptableObject.putProperty(top, "foo", foo);
cx.evaluateString(top, script, "script", 0, null);
return null;
}
};
final ContextFactory contextFactory = new ContextFactory() {
@Override
protected boolean hasFeature(final Context cx, final int featureIndex) {
if (Context.FEATURE_STRICT_MODE == featureIndex) {
return !acceptWriteReadOnly;
}
return super.hasFeature(cx, featureIndex);
}
};
contextFactory.call(action);
}
/**
* Simple utility allowing to better see the concerned scope while debugging
*/
static class Foo extends ScriptableObject
{
final String prop_;
Foo(final String label)
{
prop_ = label;
}
@Override
public String getClassName()
{
return "Foo";
}
public String getMyProp()
{
return prop_;
}
}
}