| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.jjs.impl; |
| |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.dev.jjs.ast.JMethod; |
| import com.google.gwt.dev.jjs.ast.JProgram; |
| |
| /** |
| * Tests for the JsniRestrictionChecker. |
| */ |
| public class JsniRestrictionCheckerTest extends OptimizerTestBase { |
| |
| public void testStaticJsoDispatchSucceeds() throws Exception { |
| addSnippetImport("com.google.gwt.core.client.JavaScriptObject"); |
| addSnippetClassDecl( |
| "static class Buggy {", |
| " static final class Foo extends com.google.gwt.core.client.JavaScriptObject {", |
| " protected Foo() { };", |
| " static void foo() { };", |
| " }", |
| " native void jsniMeth(Object o) /*-{", |
| " @Buggy.Foo::foo()();", |
| " }-*/;", |
| "}"); |
| |
| optimize("void", "new Buggy().jsniMeth(null);"); |
| } |
| |
| public void testJsoInterfaceDispatchFails() throws Exception { |
| addSnippetImport("com.google.gwt.core.client.JavaScriptObject"); |
| addSnippetClassDecl( |
| "static class Buggy {", |
| " interface IFoo {", |
| " void foo();", |
| " }", |
| " static final class Foo extends JavaScriptObject implements IFoo {", |
| " protected Foo() { };", |
| " public void foo() { };", |
| " }", |
| " native void jsniMeth(Object o) /*-{", |
| " new Object().@Buggy.IFoo::foo()();", |
| " }-*/;", |
| "}"); |
| |
| try { |
| optimize("void", "new Buggy().jsniMeth(null);"); |
| fail("JsniRestrictionChecker should have prevented JSO interface dispatch in a JSNI method."); |
| } catch (Exception e) { |
| assertTrue(e.getCause() instanceof UnableToCompleteException); |
| } |
| } |
| |
| public void testNonstaticJsoDispatchFails() throws Exception { |
| addSnippetImport("com.google.gwt.core.client.JavaScriptObject"); |
| addSnippetClassDecl( |
| "static class Buggy {", |
| " native void jsniMeth(Object o) /*-{", |
| " new Object().@com.google.gwt.core.client.JavaScriptObject::toString()();", |
| " }-*/;", |
| "}"); |
| |
| try { |
| optimize("void", "new Buggy().jsniMeth(null);"); |
| fail("JsniRestrictionChecker should have prevented non-static JSO class " |
| + "dispatch in a JSNI method."); |
| } catch (Exception e) { |
| assertTrue(e.getCause() instanceof UnableToCompleteException); |
| } |
| } |
| |
| public void testNonstaticJsoSubclassDispatchFails() throws Exception { |
| addSnippetImport("com.google.gwt.core.client.JavaScriptObject"); |
| addSnippetClassDecl( |
| "static class Buggy {", |
| " static final class Foo extends com.google.gwt.core.client.JavaScriptObject {", |
| " protected Foo() { };", |
| " void foo() { };", |
| " }", |
| " native void jsniMeth(Object o) /*-{", |
| " new Object().@Buggy.Foo::foo()();", |
| " }-*/;", |
| "}"); |
| |
| try { |
| optimize("void", "new Buggy().jsniMeth(null);"); |
| fail("JsniRestrictionChecker should have prevented non-static JSO subclass " |
| + "dispatch in a JSNI method."); |
| } catch (Exception e) { |
| assertTrue(e.getCause() instanceof UnableToCompleteException); |
| } |
| } |
| |
| @Override |
| protected boolean optimizeMethod(JProgram program, JMethod method) { |
| try { |
| JsniRestrictionChecker.exec(TreeLogger.NULL, program); |
| } catch (UnableToCompleteException e) { |
| throw new RuntimeException(e); |
| } |
| return false; |
| } |
| } |